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catalog 27
MAINTAINING
THE CLIMATE
FOR GROWTH
CONTROLS
EnviroSTEP™ Computer System . . . . . .4VersiSTEP™ Computer System . . . . . . .6STEPsaver™ PC Interface Software . . . .8Sensors: Optimize the Power . . . . . . . . .9STEP 500™ Control System . . . . . . . . .11STEP 50A™ Control System . . . . . . . .12MiniSTEP™ Control System . . . . . . . .13Four-Stage Controls . . . . . . . . . . . . . . .14Thermostats . . . . . . . . . . . . . . . . . . . . . .15Alarm Manager . . . . . . . . . . . . . . . . . . .16WeatherGuard™ Override Control . . . 17
VENT AUTOMATION
Vent Options . . . . . . . . . . . . . . . . . . . . .18Selecting a Gear Motor . . . . . . . . . . . .18Selecting a Vent Control . . . . . . . . . . .19PowerRack™ & Pinion . . . . . . . . . . . . .22
ENERGY CURTAINS
PowerPull™ Energy Curtain System . .24PowerPull™ Components . . . . . . . . . .26Automation Accessories . . . . . . . . . . . .27
Actuators, Contactors, Relays, Valves
1-800-821-5829 • wadsworthcontrols.com303-424-4461 • FAX 303-424-6012
Wadsworth knows that no one control is right for everyone; that iswhy we make 5 models of STEP™ controls.
Our climate controllers ensure the equipment in your greenhouseworks together to maintain the climate for growth.
All of our controls are easy to use - designed to make your job easier,not more complicated.
With Wadsworth’s track record for reliability and technical supportsince 1952, it is no wonder that we are the leader in environmentalcontrols.
5 ST
EP C
ontro
ls
3
Tabl
e of
Con
tent
s
Please refer to our price sheetfor Terms and Conditions
Single
Total
Environmental
Program
• A solar-shielded outdoor temperaturesensor with 25' of cable.
• Fahrenheit or Centigrade selectable.
• Largest graphical display in the industry: 8 lines, includes graphing functions.
• 4X4 keypad to allow for easy programming.
• NEMA 4 cabinet - aluminum 16” x 16” x 5”(406 x 406 x 127mm) with locking door,protects against sunlight and moisture.
• Add the STEPsaver software for morepowerful data storage, reporting, andremote monitoring from your PC.
Optional Equipment (see pgs 8-9 for details)
• STEPsaver Software
• Weather Station
• CO2 Sensor
• Hot Water Sensor
• Soil Probe
This fully integrated computer provides 12outputs for a single zone. The EnviroSTEPcan be combined with the VersiSTEP orother EnviroSTEPs to create a network forlarge ranges.
Features:
• 1 zone control.
• 3 setpoint periods: Day, Night and DIFplus programmable ramp rates for fullcontrol.
• 12 relay outputs with manual overrideswitches.
• Replaceable 10 amp DPDT relays.
• 2 analog outputs (0 to 10VDC) to controlvariable speed fans and modulatingvalves.
• 7 analog input channels for connectinglight, CO2, RH, and temperature sensors.
• 4 digital detector channels senseprecipitation, wind speed and winddirection.
• Records the status of all inputs and outputsin 15 minute increments.
• Alarm outputs: temperature & RH pluspower failure.
• Includes aspirated temperature andhumidity sensor with 100’ of cable.
EnviroSTEP™
The EnviroSTEP can control virtuallyanything in your greenhouse. Each pieceof equipment has its own settings.Some parameters include:
• On/Off temperature settings• De-humidification settings• Wind speed and direction• Light intensity and accumulation• Precipitation• CO2
Wadsworth custom programs the EnviroSTEP.Growers can easily change the settings foroptimum growing conditions.
1 1st bank of 5 unit heaters1 2nd bank of 5 unit heaters 1 HAF fans2 Roof vents – 1 LST Master Vent
Control & four 2R slave units2 Sidewall curtains2 Gable end curtains1 50 HID grow lights2 Energy curtain
Five Gutter-Connected HousesOne Zone EnvironmentOne EnviroSTEP Computer
1 Hot water boiler / floor heat1 Hot water perimeter heat / fin pipe 1 Hot water under bench heat1 HAF fans2 Roof vent – 1 LST Master Vent Control1 Evaporative coolers - Low Speed1 Evaporative coolers - High Speed1 Evaporative cooler - water pump1 Misting system2 Energy curtain
One Free Standing HouseOne Zone EnvironmentOne EnviroSTEP Computer
Example Example
12 Outputs Used
Equipment Controlled
12 OutputsUsed
Equipment Controlled
Envi
roST
EP
5
Com
pute
rized
STE
P Co
ntro
ls
4
EnviroSTEP Control includesAspirator and outdoortemperature sensor
EnviroSTEP Control:Part #: M-4840
Com
pute
rized
STE
P Co
ntro
ls
7
Com
pute
rized
STE
P Co
ntro
ls
6
This fully integrated computer provides 24outputs for 1 to 8 zone control. If you needto expand your control, add the satellite unitfor an additional 16 outputs. The VersiSTEPcan be combined with the EnviroSTEP orother VersiSTEP controls to create a networkfor large ranges.
Features:
• 1-8 zone control.
• 3 setpoint periods: Day, Night and DIFplus programmable ramp rates for fullcontrol.
• 24 relay outputs with manual overrideswitches.
• Replaceable 10 amp DPDT relays.
• 4 analog outputs (0 to 10VDC) to control variable speed fans and modulating valves.
• 32 analog input channels for connectinglight, CO2, RH, and temperature sensors.
• 8 digital detector channels senseprecipitation, wind speed and winddirection.
• Records the status of all inputs and outputsin 15 minute increments.
• Alarm outputs: temperature & RH pluspower failure.
• Includes aspirated temperature andhumidity sensor with 100’ of cable.
• A solar-shielded outdoor temperaturesensor with 25' of cable.
• Fahrenheit or Centigrade selectable.
• Largest graphical display in the industry: 8 lines, includes graphing functions.
• 4X4 keypad to allow for easy programming.
• NEMA 4 cabinet - aluminum 32" x 24" x 5"(813 x 610 x 127mm) with locking door,protects against sunlight and moisture.
• For maximum benefit consider additionalsensors. See page 9 for details.
• Add the STEPsaver software for morepowerful data storage, reporting, andremote monitoring from your PC. Seepage 8.
• Optional 16 outputs with satellite option.See page 7.
4 Open roof vent1 Hot water boiler 2 Floor heat2 Perimeter heat4 Two-speed fans2 Evaporative cooler - water pump4 Energy curtains2 HID lights
Five Gutter-Connected HousesTwo Zone EnvironmentsOne VersiSTEP Computer
6 Irrigation valves3 Gas fired unit heaters 6 Energy curtains6 Roof ridge vents3 HAF fans3 Exhaust fans6 Side vents3 Evaporative cooler - water pump3 HID lights
One Free Standing HouseThree Zone EnvironmentsOne VersiSTEP Computer
Example Example
39 Outputs Used
Equipment Controlled
21 Outputs Used
Equipment Controlled
The VersiSTEP can control virtuallyanything in your greenhouse. Each pieceof equipment has its own settings.Some parameters include:
• On/Off temperature settings• De-humidification settings• Wind speed and direction• Light intensity and accumulation• Precipitation• CO2
Wadsworth custom programs theVersiSTEP. Growers can easily change thesettings for optimum growing conditions.
NOTE: The VersiSTEP Satellite DOES NOT function without the VersiSTEP Control.
It is only an addition, NOT a self-contained controller. It cannot be used with the EnviroSTEP or the microSTEP/SA.
VersiSTEP™
VersiSTEP Control:Part #: M-4700
The VersiSTEP has replaced the microSTEP.Wadsworth will continue to support themicroSTEP.
VersiSTEP™ Satellite providesadditional outputs for a VersiSTEPControl.
Features:
• 16 relay outputs with manual overrideswitches increase the VersiSTEP'scapacity to 40 outputs.
• Replaceable 10 amp DPDT relays.
• NEMA 4 cabinet – aluminum24" x 18" x 5" (610 x 457 x 127mm)with locking door.
VersiSTEP Satellite:Part #: M-4710
Opt
imize
the
Powe
r
9
Aspirators with temperature andhumidity sensors
Aspirator with temperature sensor only
Soil temperature probe, stainless steel
CO2 sensor
Light sensor (Pyranometer)
Weather Station
Hot water sensor
Wadsworth’s Weather Station monitorsthe following outdoor weather conditions:
• Temperature• Humidity• Wind speed and
direction
Accuracy
Wadsworth‘s controls provide accurate tem-perature and humidity readings. Housed inan aspirated unit, a fan draws air across thesensors providing an accurate ambienttemperature reading rather than an incor-rect reading due to direct sunlight expo-sure.
Increase the power of your greenhouse computer by using additional sensors. Wadsworth provides C02, light, soil temperature sensors and a weather station which monitors the outdoorconditions. This additional information adds depth to the computer program.
EnviroSTEP and VersiSTEP Sensors
Computer Weather Station
Optimize the power of your EnviroSTEP or VersiSTEP
computer controls with additional sensors
• Precipitation• Light intensity• Accumulated light
Opt
imize
the
Powe
r
8
Integrate your EnviroSTEP or
VersiSTEP with your PC
Control your entire greenhouserange from your PC
System Requirements:• Operating System: Windows XP• CD-ROM Drive• 450 MHZ processor or higher• 512 MB RAM• 500 MB of available disk space• Internet Explorer 6.0 or higher• STEPsaver works with
EnviroSTEP, VersiSTEP andpost-1995 microSTEP controls.Upgrades available forpre 1995 microSTEPs.
2.0
2.0
STEPsaver makes it easy to monitor andcontrol your greenhouse from your PC.View current conditions for each zone orlook for trends using the Logs and Graphsfeature.
STEPsaver is ideally suited for any sizegrower. Combining performance withoutstanding value, the STEPsaver softwaresaves time by eliminating extra trips to thegreenhouse.
STEPsaver features:
• Easy to use Windows interface.
• Centralized view of conditions, settingsand records from all of your EnviroSTEP,microSTEP or VersiSTEP controllers.
• Investigate and address alarms, changeequipment settings, adjust setpoints.
• Receive alarm notifications via email toyour cell phone, pager or email box.
• Advanced data logging and graphing ofsensors and greenhouse equipment.
• Ability to zoom in on exact data points.
• Analyze climate data, equipment operationand performance within STEPsaver. Or,export the information for use with otherprograms.
• Share data on networked PCs.
• Full password and right protection allowsdifferent levels of access.
• User friendly wizards to help set up yourSTEPsaver.
• Drop down menus for easy navigation.
• View zone averages for equipment,conditions and more.
• View data for light readings in foot candlesor in milliwatts.
• Synchronize your controllers to use thesame time and date as your PC.
• Collect data in one minute or fifteenminute increments.
• Customized fields allow you to changethe equipment or zone names.
• Ability to e-mail technical support logs toassist with troubleshooting.
• Remote technical support and trainingavailable.
• Includes instructional tutorial.
STEP
500
11
Stag
ed S
TEP
Auto
mat
ion
10
Staged STEP Automation
Staged STEP controls workdifferently than our computerizedSTEP controls. The simple designdivides heating and coolingequipment into stages. When theclimate requires heating or cooling,all of the equipment assigned toeach stage turns on to return theclimate to its setpoint.
The staged approach does notoffer as refined of control as thecomputerized systems. However,they are perfectly suited for manyapplications. Always a favoritebecause of the easy to use design;just turn the knob to thetemperature for day and night.
Incredible durability: controls fromthe 1970’s are still effectivelycontrolling environments today.
TH
RO
TT
LIN
G R
AN
GE
65.5º
67
68.5º
70º
71.5º
73º
74.5º
76
77.5º
AC-5Vent full open 1 speed fan on 2 speed fan high Pad pump on
AC-4
Vent full open 1 speed fan on 2 speed fan high
AC-3
HAF/JET fans off Motorized louvers closed Vent 1/2 open 1 speed fan on 2 speed fan on low
AC-2
HAF/JET fans onMotorized louvers open Vent 1/4 open 2 speed fan on low
AC-1
HAF/JET fans on Motorized louvers open2 speed fan on low
SET POINT
Ideal temperatureHAF/JET fans on tocirculate air
Heat 1
HAF/JET fans onPerimeter heat on
Heat 2
HAF/JET fans onPerimeter heat onUnder bench heat on
Heat 3
HAF/JET fans onPerimeter heat onUnder bench heat onGas unit haters on
STEP 500™ Control System
STEP 500 FEATURES:
• Day and night temperature settings.
• 3 stages of heating and 5 stages of cooling.
• Controls the majority of heating andcooling equipment.
• Energy savings through programmablelockout of stages.
• Equipment comes on gradually after apower failure.
• Color coded manual override switches.
• Includes an aspirated temperature sensor and 100’ of cable.
• Includes an outdoor temperature sensor toanticipate heating needs, and 25’ of cable.
• Replaceable 10 amp DPDT load relays.
• Displays greenhouse temperature.
• Modulating output voltage for proportional steam and hot water valves.
• Corrosion resistant anodized aluminumcabinet with locking door protects yourcontrol, 22” x 16” x 5” (556 x 406 x 127mm).
Benefits:
• Uniform plant growth.
• Reduces fuel costs.
• Increases productivity.
• Simplifies control and maintenance.
Five Gutter-Connected HousesOne Zone EnvironmentOne STEP 500 Control
Stages Equipment Status
Heat – 3 - All 5 gas fired unit heaters on (houses 1-5)- HAF fans on- Curtain covers at night for heat retention
Heat – 2 - 2 gas fired unit heaters on (houses 1-5)- HAF fans on
Heat – 1 - 3 Gas fired unit heaters on (houses 1, 3, and 5)- HAF fans on
Set point - HAF fans on
AC 1 - HAF fans on- 5 Roof vents - crack open - 1 Incremental
Master Control & four 2R units
AC 2 - HAF fans on - Roof vents - half open
AC 3 - HAF fans on- Roof vents full open- Gable end vent half open- 2 Single speed exhaust fans on
AC 4 - Roof vent closes - Gable end vent full open- 3 Single speed exhaust fans on
AC 5 - Evaporative pad pump on- Energy curtain covers fully and remains
covered until temp returns to setpoint
Example
STEP 500 Control with aspiratorand outdoor temperature sensor
STEP 500 Control System with aspirator:Part #: M-4600
Min
iSTE
P
13
STEP
50A
12
MiniSTEP™ Control System
The MiniSTEP is a 4-stage temperaturecontroller designed specifically for a hoop-house with a 2-speed fan and a high gablelouver.
The MiniSTEP is an economically priced allinclusive package. It includes:
• 4-stage electronic control.
• A pre-wired contactor panel.
• Blueprints, control schematics, one-linepower, conduit and wiring layouts forinstallation.
• Solar-shielded temperature sensor with75’ of shielded cable.
• NEMA 12 cabinet.16” x 14” x 6” (406 mm x 355 mm 152 mm)
The MiniSTEP is easy to install and operate.The heating and cooling stages are alreadyset.
Features• One temperature setting.
• 1 stage of heating and 3 stages of cooling.
• LCD display of current temperature, mode and output status.
• Keypad provides easy operation.
• Fahrenheit or Celsius scale.
• Voltage Input: 120 VAC, 50 / 60 Hz.
Benefits:• Uniform plant growth.
• Reduces fuel costs.
• Increases productivity.
• Simplifies control and maintenance.
One Free-Standing Hoop HouseOne EnvironmentOne MiniSTEP Control
Stages Equipment status
Heat stage - Gas fired unit heaters on (1-2 heaters)- HAF fans on
Set point - HAF fans on
AC 1 - HAF fans on- Upper gable louver open- Two speed exhaust fan on low
AC 2 - Side vent or motorized shutters open - LST vent control
- Upper gable louver closes - Two speed exhaust fan on high- HAF fans off
AC 3 - Single speed exhaust fan on - Evaporative pad pump on- Side vent open- Two speed fan on high
Example
STEP 50A™ Control System
One Quonset HouseOne Zone EnvironmentOne STEP 50A
Stages Equipment status
Heat – 2 - Unit heaters 1 & 2 on- HAF fans on- Curtain covers at night for heat retention
Heat – 1 - Unit heater 1 on- HAF fans on
Set point - HAF fans on
AC 1 - HAF fans on- Motorized upper gable louver open- Two speed exhaust fan on low
AC 2 - Pad vent - half open- Two speed exhaust fan on high
AC 3 - Pad vent - full open - Single speed exhaust fan on- Evaporative pad pump on- Energy curtain covers fully and remains
covered until temp returns to set point
STEP 50A Features:
• 2 stages of heating and 3 stages ofcooling.
• Day and night temperature settings.• Controls the majority of heating and
cooling equipment.• Energy savings through programma-
ble lockout of stages.• Modulating output voltage for propor-
tional steam and hot water valves.• Equipment comes on gradually after
a power failure.• Color coded manual override switches.• Includes an aspirated temperature
sensor and 100’ of cable.• Replaceable 10 amp DPDT load relays• Corrosion resistant anodized
aluminum cabinet with locking doorprotects your control, 16”x 16”x 5”(406 x 406 x 127 mm).
Benefits:• Uniform plant growth.• Reduces fuel costs. • Increases productivity.• Simplifies control and maintenance.
The STEP 50A can easily be upgradedto the EnviroSTEP computerized control.
Three Gutter-Connected HousesOne Zone EnvironmentOne STEP 50A
Stages Equipment status
Heat – 2 - Unit heaters 1, 2 & 3 on - HAF fans on- Curtain covers at night for heat retention
Heat – 1 - Unit heaters 1 & 3 on - HAF fans on
Set point - HAF fans on
AC 1 - HAF fans on- 3 Roof vents – crack open. One Incremental
Master Vent Control with two 2R slave units
AC 2 - HAF fans on - Roof vents – 1/2 open
AC 3 - HAF fans on - Roof vents – full open - Sidewall vents - full open. LST Vent
Control and one 2R slave unit- Energy curtain covers fully and remains
covered until temp returns to set point
Example Example
The MiniSTEP can control:
• 1-2 gas fired unit heaters on one stage.
• 1 two speed exhaust fan (required).• 1 single speed exhaust fan.
• 1 high gable louver (required).• Pad shutters with LST vent control.
• Pad pump.
• Fan jet or HAF fans.
STEP 50A Control with AspiratorPart #: M-4010
MiniSTEP™Part #: M-4000
Four-stage Electronic Controls4-
Stag
e Co
ntro
ls
14
4-Stage Control E-1608
This 4-stage control can operate heating orcooling equipment. It offers energy savingsover using thermostats because it uses asingle temperature sensor. This eliminatesheating and cooling equipment operating atthe same time.
Features:• 4-stages – heating or cooling• Solar-shielded temperature sensor with
75’ of shielded cable• Setpoint range of -40º to 220º F• NEMA 4 enclosure 9” x 5.5” x 3”
(228 mm x 140 mm x 76mm)• LCD display of current temperature,
mode and output status.• Keypad provides easy operation.• Fahrenheit or Celsius scale.• Voltage Input: 120 VAC, 50 / 60 Hz.
4-Stage Vent Control M-1608
This 4-stage control uses 3 of the stages tooperate an incremental vent control. Thecontrol’s temperature sensor signals theincremental vent control when to open orclose the vent. The 4th stage is free tooperate heating or cooling equipment.
Features:• 4-stages: 3 used to signal vent movement,
1 stage for heating or cooling equipment• Solar-shielded temperature sensor with 75’
of shielded cable• Setpoint range of -40º to 220º F• NEMA 4 enclosure 9” x 5.5” x 3”
(228 mm x140 mm x 76mm)• Can be powered from 24, 120 and 240 VAC
sources.• LCD display of current temperature,
mode and output status.• Keypad provides easy operation.• Fahrenheit or Celsius scale.• Voltage Input: 120 VAC, 50 / 60 Hz.
4-stage control
Incremental Vent Control with External Limit Switches.Order with M-1608 to operateyour vents incrementally.
Consider our NEW Versatile vent – a stand-alone incremental ventcontrol on page 19
Ther
mos
tatsThermostats
15
The Wadsworth NEMA 4 thermostats are commercial grade controls that are designed to standup to rugged real-world applications. Designed for outdoor and agricultural applications thatare often wet, rugged and mildly corrosive environments. These weather-resistant, durablecontrols are for both heating and cooling in agricultural, industrial and commercial environments.
Two-Stage ThermostatPart Number E-1613
Features:• Two stages for heating or cooling.• Rugged, raintight, weatherproof control.• Corrosion resistant materials for long life.• High level of accuracy and sensitivity.• UL listed, CSA NEMA 4X and N.E.C.• Features two SPDT staged switches to
support a variety of applications.• Temperature range from
40° to 100° F / 4° to 37° C
Single-Stage ThermostatPart Number E-1612
Features:• One stage for heating or cooling.• NEMA 4X enclosure complies with
N.E.C. article 547.• Rugged, weather resistant enclosure.• Corrosion resistant materials for long life.• Low mass, high surface area of stainless
steel coiled sensor provides rapid responseto temperature change.
• UL Listed and CSA Certified.• Temperature Range from
40° to 110° F / 4° to 43° C
Ove
rrid
e Pr
otec
tion
17
Alarm ManagerAl
arm
Man
ager
16
Features:• Program up to four 20-digit telephone
numbers.• Assign "normal state" for each input.• Determine time delay for each input.• Record a custom message to indicate the
location of the alarm.• Use existing phone line, no need for a
second phone line. • Monitor eight dry contact inputs.• Built-in backup battery with rechargeable
4-hour battery.• Power Alarm.• Plug-in wall transformer, splitter and
telephone extension cable included.• FCC Approved and Registered.
Benefits:• Alarm Manager continues to call up to
four programmed numbers until thealarm is acknowledged.
• Easily integrates with: EnviroSTEP,VersiSTEP, STEP 50A, STEP 500 orthermostats.
The Wadsworth Alarm Manager is a simple to use, alarm notification system.
Alarm ManagerPart #: M-5800
Part# M-4835 Shipping weight: 110 lbs. / 50 KGDimensions: Control Panel, 16” H x 16” W x 5” D 19 lbs. / 8.6 KG
Mast, 22’ H x 2” x 2” 45 lbs. / 20.4 KGMast Tee: 35”x 4”x 2” 46 lbs. / 21 KG
The WeatherGuard takes the worry out ofwind, rain and snow. It is designed to override normal operations to close ventsor retract shade systems when high winds,cold weather, rain or snow might causedamage.
The WeatherGuard monitors:
• Wind speed
• Wind direction
• Outdoor temperature
• Precipitation
Provides Protection:
• Windward ventsclose in high windsallowing leewardvents to stay open.
• Vents are protected from cold temperatures and precipitation.
• Outdoor shades can be retracted in high winds or if there is precipitation.
• Indoor shades uncover and gutter heatersare turned on to protect the structurefrom snow damage.
Weather Guard Control
The WeatherGuard integrates with existingvent machines and temperature controllerssuch as the STEP 50A. This system hasits own microprocessor which sends anoverride signal directly to your equipment. If you have a computerized control, such as an EnviroSTEP, use the Weather Station(see pg. 9).
WeatherGuard features:
• Easy to program.
• Displays weather status.
• Controls 10 vent machines.
• Weather instruments on a 22’ mast.
• 100’ of cable to connect thecontrol panel to the instruments.
• Control comes in a sturdyNEMA 4 16” x 16” x 5”(406 mm x 406 mm x 127 mm)cabinet with locking door.
2 - What shaft size?
Vent
Mot
ors
19
To determine shaft size,
measure the outer
diameter of the shaft.
VC100A drive unit shown
3 - What type of vent control?
Features:
• LED display of current temperature andvent position.
• Manual overrides.
• Alarm output: programmable high / lowtemperatures.
• Fahrenheit or Centigrade selectable.
• NEMA 4X cabinet – plastic 12” x 8” x 7”(305 x 203 x 178 mm) with lockable latch,protects against sunlight and moisture inthe greenhouse environment.
• Used with EnviroSTEP,VersiSTEP or any computercontrol for proportional movement.
• When used with a STEP 50Aor STEP 500 it opens in 3increments.
• Used with the MiniSTEP tomove vents from full open to full closed.
• This is a master control.If placed in the center itcan have six ILS/2R units;3 on each side.
• Order the complete Versatile Vent package ifyou do not have an environmental control.This complete package includes atemperature sensor and opens in 3increments.
Introducing Wadsworth’s New Versatile VentVersatile Vent is an easy to use vent control. It incrementally operates anymotorized greenhouse vent, roll-up, or retractable roof system.
Benefits:
• Easy to operate.
• Reliable.
• High/low temperature alarm.
• Can be used with any type of control oras a stand-alone unit.
• Easily integrates with a WeatherGuardto close vents when high winds, coldweather, rain or snow might causedamage.
Integrated Vent Systems
VC-100A MOTOR• 1/20 Horsepower - TENV• 115 Volt - 60 Hz - .68 amp• Thermal overload protection - automatic
reset• Quick reversing• 1600 RPM• Continuous Duty• Lifts up to 75’ of 4’ polycarb roof ridge
vent
VC-100A GEAR-REDUCER• Adjustable torque limit switch assembly• Output torque 500 in. lb. / 56 Nm• Total ratio 1900:1 final output .84 RPM• Output gear reducer: worm gear with
tapered roller bearing on output shaftimmersed in synthetic grease
• Dual output shaft
VC-2000 MOTOR• 1/5 Horsepower - TEFC • 115 Volt - 60 Hz - 2.5 amp• Thermal overload protection - automatic
reset• Quick reversing• 1600 RPM• Continuous Duty• Lifts up to 325’ of 54” polycarb roof ridge
vent
VC-2000 GEAR-REDUCER• Adjustable torque limit switch assembly• Output torque 1500 in. lb. / 169 Nm• Total ratio 1350:1 final output 1.2 RPM• Output gear reducer: worm gear with
tapered roller bearing on output shaftimmersed in synthetic grease
• Dual output shaft
1 - What size gear motor do you need to lift the vent?
Why do growers and installers prefer our gear motors?
Wadsworth vent systems offer simplicity indesign, installation and operation. • Easy to install • Only 2 wires to reverse direction• Powerful, Reliable, Durable• Maintenance-free• Synthetic grease lasts the life of the unit• Safety features• Reverse torque
• Over-torque protection stops the motor incase of mechanical binding that coulddamage your vent.
• Limit Assemblies stop the motor in normaloperation when it is fully open or fullyclosed.
1. What size gear motor do you need to lift the vent?
2. What shaft size?
3. What type of vent control?
4. What length of rack?
4 steps to selecting the rightvent automation system:
Wadsworth Control Systems is your complete source for vent automation.We know that growers want an integrated vent system that ensures quality inevery part.
Selec
ting
Vent
Aut
omat
ion
18
Part #M-1460 Versatile Vent Control complete package (includes aspiratedtemperature sensor and 100’ of cable)
Part #M-1465 Versatile Vent Controlmust be connected to an environmentalcontrol
Vent
Con
trols
21
Vent
Mot
ors
20
Part #M-1042 VC-100A/ ILS/ LST 1-3/8” shaft
Part #M-1047 VC-100A/ ILS/ LST 1-5/8” shaft
Part #M-1142 VC-2000/ ILS/ LST 1-3/8” shaft
Part #M-1147 VC-2000/ ILS/ LST 1-5/8” shaft
ILS / LST – Internal Limit Switch Limit Switch with Transformer
• Opens proportionally when used with acomputerized control.
• This is a master control. If placed in the center,it can have six ILS/2R units, 3 on each side.
• Primarily used with EnviroSTEP, VersiSTEP andmicroSTEP/SA computer controls. It can beused with any computer control for proportionalmovement
• Used with the MiniSTEP to move vents fromfull open to full closed
• If used with a STEP 50A, STEP 500, 4-stageControl or thermostat, it does not open inincrements. It moves from full open to full close.
LST – Limit Switch with Transformer
• Opens proportionally with a computerized control.
• This is a master control. If placed in the center,it can have six ILS/2R units, 3 on each side.
• Primarily used with EnviroSTEP, VersiSTEPand microSTEP/SA computer controls.It can be used with any computer control forproportional vent movement.
• Used with the MiniSTEP to move vents fromfull open to full closed.
• If used with a STEP 50A, STEP 500, 4-stage control or thermostat it does not open in increments. It moves from full open to full close.
• External limit switches.
2R – slave unit
• Used with the Incremental control it opens inincrements: closed, 1/4 , 1/2 and full open.
• Used with the LST control it opens proportionally, following the master unit.
• If the master control is placed in the center itcan have six 2R units, 3 on each side.
• External limit switches.
Part #M-1130 VC-2000/2R 1-3/8”shaft
Part #M-1135 VC-2000/2R 1-5/8”shaft
Part #M-1030 VC-100A/2R 1-3/8” shaft
Part #M-1035 VC-100A/2R 1-5/8” shaft
Part #M-1140 VC-2000 LST 1-3/8” shaft
Part #M-1145 VC-2000 LST 1-5/8” shaft
Part #M-1040 VC-100A LST 1-3/8” shaft
Part #M-1045 VC-100A LST 1-5/8” shaft
VC2000ILS/LST
VC2000 LST
I – Incremental
• Opens in increments, 1/4 , 1/2 and full open.
• This is a master control. If placed in the centerit can have six 2R units, 3 on each side.
• Primarily used with STEP 50A, STEP 500 andM-1608.
• Used with a computer control like the EnviroSTEP,it will open in proportions. The computeroverrides the Incremental control command.
• Growers who are upgrading to a computer control can use existing incremental vent controls, but if ordering a new vent automationsystem, order the LST control with computers.
• Order our new Versitile Vent control for easyinstallation.
• External limit switches.
Part #M-1080 VC-100A/ I 1-3/8” shaft
Part #M-1085 VC-100A/ I 1-5/8” shaft
Part #M-1180 VC-2000/ I 1-3/8” shaft
Part #M-1185 VC-2000/ I 1-5/8” shaft
VC100A/I
Consider Wadsworth’s New Versatile VentAn easy to use vent control. It incrementally operates anymotorized greenhouse vent, roll-up, or retractable roof system.
Part #M-1032 VC-100A/ ILS/ 2R 1-3/8” shaft
Part #M-1037 VC-100A/ ILS/ 2R 1-5/8” shaft
Part #M-1132 VC-2000/ ILS/ 2R 1-3/8” shaft
Part #M-1137 VC-2000/ ILS/ 2R 1-5/8” shaft
ILS / 2R – Internal limit switch – slave unit
• Used with an ILS/LST master control movementfollows the master unit and opens proportionally.
• If the master control is placed in the center itcan have six 2R units, 3 on each side.
• Internal limit switches.
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PowerRack™ RACK & PINION vent opener
Unrivaled quality that makes a difference
Shaft hanger
The PowerRack is built to operate yourvents reliably, so you can concentrateon growing. Virtually maintenance-free,the PowerRack is a solid, reliable unit.
Features:
• Zinc pinion gear with shoulders tobear the weight, extending the lifeof the gear.
• Easy alignment: Rack works evenwhen the vent is not perfectlysquare. Wide housing allows forinevitable movement in the vents.This unique design prevents binding.
• Freedom from corrosion: Stainlessclevis pins, cotter pins, set screws,cast sash brackets and tough nylatronbearings.
• Precision cut teeth on the PowerRackarms minimize sharp edges andassure smooth operation.
• Holes in the pinion housing arepunched with a stamping tool tomaintain exact spacing.
• The PowerRack arm and housing ismanufactured from aluminum alloyfor strength and freedom fromcorrosion.
• Wide load-bearing surfaces.
• Replaceable parts.
• Economically priced.
All of these features add up to a longlife for your vent automation system.
Extend rack life: lubricate once a yearwith Magna lube.
UNIVERSAL SHAFT HANGER
The universal shaft hanger supports the shaft thatdrives the PowerRack. Made of 12-gauge rigidgalvanized steel for reliability.
Easy mounting with the pre-punched holes andslots for 5/16” and 3/8” diameter U-bolts. Shafthanger holes and slots will fit 1”- 3” pipe, as wellas square tubing, angle, channel and variousother greenhouse members (U-Bolts not included).
Note: All models have 6” ofrack movement per revolutionof drive shaft.
(Round) (Square)
RACK AND PINION SASH ADAPTER
When replacing rack and pinions on a vent,the existing sash brackets are often ingood condition but do not fit the widerrack arms. Wadsworth has an adapter thatwill fit most older style sash brackets.Made of cast zinc, the adapter slips easilyinto the end of the rack arm and is held inplace with a clevis pin.
CURVED PowerRack RACK & PINION
The curved PowerRack Rack & Pinion is designed to give additional clearance (54” radius)when space is tight. Use when a straight rack might interfere with a curtain or aisle.
ROUND & SQUARE U-BOLTS*
Part# A B C Pipe Size*H-2489 3/8” x 1-1/2” x 2-1/2” 1”H-2491 3/8” x 1-3/4” x 2-3/4” 1-1/4”H-2492 3/8” x 2” x 2-5/8” 1-1/2”H-2494 3/8” x 2-1/2” x 3-1/8” 2”H-2520 3/8” x 1-9/16” x 2-1/2” 1-1/2” sq.H-2525 3/8” x 2-1/8” x 3” 2” sq.H-2530 3/8” x 2-5/8” x 3-1/2” 2-1/2” sq.H-2537 3/8” x 3-1/8” x 4” 3” sq.*Other sizes available
C
B B
C
A A
Hex nuts not includedTo determine size, see the illustration below.
Straight PowerRack Models
Length Shaft Shipping Weight Part #
18” 1-3/8” 1.25 lbs. / 0.6 KG M-261818” 1-5/8” 1.25 lbs. / 0.6 KG M-271828” 1-3/8” 2.10 lbs. / 0.95 KG M-262828” 1-5/8” 2.10 lbs. / 0.95 KG M-272836” 1-3/8” 2.40 lbs. / 1.09 KG M-263636” 1-5/8” 2.40 lbs. / 1.09 KG M-273642” 1-3/8” 2.50 lbs. / 1.13 KG M-264242” 1-5/8” 2.50 lbs. / 1.13 KG M-274248” 1-3/8” 2.55 lbs. / 1.16 KG M-264848” 1-5/8” 2.55 lbs. / 1.16 KG M-274853” 1-3/8” 2.60 lbs. / 1.18 KG M-265353” 1-5/8” 2.60 lbs. / 1.18 KG M-275366” 1-3/8” 2.95 lbs. / 1.34 KG M-266666” 1-5/8” 2.95 lbs. / 1.34 KG M-276672” 1-3/8” 3.10 lbs. / 1.41 KG M-267272” 1-5/8” 3.10 lbs. / 1.41 KG M-2772
Curved PowerRack Models
Length Shaft Shipping Weight Part #
28” 1-3/8” 2.10 lbs. / 0.95 KG M-282828” 1-5/8” 2.10 lbs. / 0.95 KG M-292836” 1-3/8” 2.40 lbs. / 1.09 KG M-283636” 1-5/8” 2.40 lbs. / 1.09 KG M-293642” 1-3/8” 2.50 lbs. / 1.13 KG M-284242” 1-5/8” 2.50 lbs. / 1.13 KG M-294248” 1-3/8” 2.55 lbs. / 1.16 KG M-284848” 1-5/8” 2.55 lbs. / 1.16 KG M-294853” 1-3/8” 2.60 lbs. / 1.18 KG M-285353” 1-5/8” 2.60 lbs. / 1.18 KG M-295366” 1-3/8” 2.95 lbs. / 1.34 KG M-286666” 1-5/8” 2.95 lbs. / 1.34 KG M-296672” 1-3/8” 3.10 lbs. / 1.41 KG M-287272” 1-5/8” 3.10 lbs. / 1.41 KG M-2972
Pinion sash adapter
4 - What length of rack?
HEX NUTSH-2460 3/8”- 16 Hex Nut (for above U-bolts)
RACK & PINION CHASSISASSEMBLY
DRIVE UNITASSEMBLY
FABRIC IS SUSPENDED ATGUTTER/EAVE
LEAD EDGE TUBING COMPONENTS
INTERMEDIATE TRUSS SECTION OF SYSTEM
It has been proven that energy curtains result in substantial energy savings. While saving energy is important, so is achieving the correct light transmission.
Energy Curtain light transmission energy savings ratios
Specifications are from the cloth manufacturers.
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PowerPull® Curtain Automation
Features:
• Positive drive rack & pinion system – no cable to re-tension
• Glides over stationary stainless steel lines
• Slow moving system for better management of cold air dump
• Built-in safety limits
• Durable fabric - resistant to UV, heat andchemicals
• Small bundle size, minimal shade whenuncovered
• Flexible design, easy installation for new construction or retrofitting
Benefits:
• Pays for itself - saves up to 40% on energybills – reduces energy consumption
• Control light level and temperature
• Heat Retention
• Helps maintain uniform temperatures
• Shade controls light level
• Cools 10º-15º F
• Improves plant quality, customer & worker comfort
• Reduces labor costs
• Easy to maintain – no cable to re-tension
PowerPull systems reduce energy costs year round while improving plant quality and workercomfort. For new construction or retrofitting in existing greenhouses, our systems are durableand flexibly designed for easy installation.
Increase energy efficiency in older houses by installing a PowerPull Energy curtain.
Light Transmission
40% to 45%
50% to 55%
60% to 65%
70% to 75%
80% to 85%
99.9%
Energy savings
50% to 52%
55% to 58%
60% to 63%
65% to 68%
70% to 72%
73% to 78%
Reduce energy costs up to 40%.
Tight bundle size
FABRIC CLIP (ALUMINUM)This clip secures fabric to 10 gauge aluminum, galv. steel angle and various other surfaces. Its serrated inner surfaces provide extraholding power to keep it in place.Part #F-0510 Shipping Wt. .012 lbs. / 0.005 KG
CLOTH HANGER CLIPThis nylon clip has the advantage of clamping the supported fabrictop and bottom with a broader holding surface than most clips. Thecircular leg clamps the cable loop and fabric penetrating pointstogether to hold the material firmly. Part #F-0503 Shipping Wt. .008 lbs. / 0.004 KG
WIRE VISEEngineered for simplicity, the Wadsworth wire vise is easy to use and requires no tools. Made of aluminum, they are lightweight, economical, and rustproof. Available to hold 0.080 stainless steel wire.Part #H-0412 Shipping Wt. .028 lbs. / 0.013 KG
STAINLESS STEEL WIRE0.080 stainless steel wire is extremely durable. Fabric glides on topof lines in PowerPull systems. 5000’ per roll. Sold in rolls only. Tensile strength: 1800 lbs.Part #G-0220 Shipping Wt. 86 lbs. / 39 KG
LEAD EDGE DRIVE LINE BRACKETAttaches lead edge tube to the push tube.Part #S-9145 Shipping Wt. .42 lbs. / .19 KG
LEAD EDGE FABRIC CLIPClip secures fabric around 7/8” O.D. lead edge tubing. The extendedlegs gather fabric as system uncovers.Part #F-0505 Shipping Wt. .036 lbs. / 0.016 KG
ALUMINUM LEAD EDGE TUBING7/8” O.D. x 12’ Aluminum Tube with continuous groove for lockingthe lead edge fabric clip in place. Part #G-0121 Shipping Wt. 2.25 lbs. / 1.02 KG
LEAD EDGE TUBE COUPLINGFor splicing 7/8” x 12’ aluminum lead edge. Part #F-0952 Shipping Wt. .18 lbs. / 0.082 KG
LEAD EDGE ADJUSTABLE JOINT ASSEMBLYTo create slope/flat/slope profile for 7/8” x 12’ aluminum lead edge. Part #S-2817 Shipping Wt. .312 lbs. / 0.142 KG
U JOINT1 3/8” & 1 5/8”O.D. shaft size.Transition from slope to flat on drive shaft or under gutter.Part #S-9110 1-3/8” O.D. Shaft Shipping Wt. 3.14 lbs. / 1.42 KGPart #S-9114 1-5/8” O.D. Shaft Shipping Wt. 4.60 lbs. / 2.08 KG
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CONTACTOR PANEL
Wadsworth STEP controls can operate a wide variety of equipment(i.e. exhaust fans, fan jets, pad pumps). Larger motor loads mustbe connected to contactors. Wadsworth Control Systems is a UL listed manufacturer ofindustrial control panels.Ordering from us helps ensure the success of theinstallation and helps with Tech Support calls.Part #M-5650 (custom made) Call for quotation.
HYDRAULIC DAMPER ACTUATOR
Operates gable damper. Spring return closes damper when poweris removed. Mounting hardware kit includes: bracket, crank arm,and connector for 5/16” rod. Damper not included.10 watts 120 or 24 VAC 50/60 hz @ .15 amp
Part #E-0703...120VACPart #E-0704...24VACShipping Wt. 5 lbs. / 2.3 KG
SIX SECOND TO EIGHT-MINUTE TIME DELAY MODULE
19 to 240 VAC or DC / 1 amp steady state.
Part #E-0350 Shipping Wt. 1 lb. / 0.45 KG
CONTACTOR
Contactors are available in 24 or 120 VAC control voltages.Part #E-0314 SPDT 120 VAC coilPart #E-0315 DPDT 120 VAC coilPart #E-0314-1 SPDT 24 VAC coilPart #E-0315-1 DPDT 24 VAC coilShipping Wt. 1 lb. / 0.45 KG
DPDT LOAD RELAY - LY STYLE
DPDT contacts have a maximum rating of 10 amps @ 120 VAC. Available in 24 or 120VAC coils.Part #E-0327 24 VAC coilPart #E-0327- A 120 VAC coilShipping Wt. 1 lb. / 0.45 KG
HYDRAULIC VALVE ACTUATOR
For two position control of hot water or lowpressure steam. Can be controlled by SPDTthermostat or STEP controls.
Shipping Wt. 11 lbs. / 5 KG
Maximum Close-Off Pressure
ValveSize
1/2”
3/4”
1”
1 1/4”
CatalogNumber
M-6504
M-6507
M-6508
M-6509
Water
100
55
30
15
SteamPSI
35
35
30
15
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(more models available, please ask)
(more models available, please ask)
5541 Marshall Street, Arvada, Colorado 80002Toll Free 1-800-821-5829 • 303-424-4461 • FAX 303-424-6012
wadsworthcontrols.com
