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FLAIR INTERNATIONAL CORPORATION • 600 Old Willets Path • Hauppauge, New York 11788 • TEL: (516) 234-3600 • FAX: (516) 234-3610 © 1995 FLAIR INTERNATIONAL CORPORATION FLAIR is a registered trademarks of Flair International Corporation.
Bulletin TL21P1
LIGHT SENSING
THERMOSTAT series TL21
BENEFITS & SPECIAL FEATURES
For central (main) or zoned control of heating and cooling systems. Determinesoccupancy based on light sensing. Available in single- and multi-stage versionswith automatic changeover.
4 minute time delay for compressor protection (may be bypassed).Remote temperature sensor (optional).Return air temperature sensor (optional).Automatic heating/cooling changeover.Electronic temperature limiting and locking.Low and high limit temperature alarms can activate a dry contact toswitch an external control.Continuous (on) or intermittent (auto) fan control.System status indicators.Available in single and up to 5 stages of heating/cooling control.Variable set back (setup) control.Light sensing sensitivity adjustment.Simpler and less expensive than clocks, programmers and energymanagement systems.
Operating Voltage: 24 vac (-15%, +10%, 50-60 Hz)Temperature Range: 50° F - 90° F (10° C - 32° C)Light Level Range: Dim: .3 - .5 foot/candles
Bright: 35 - 50 foot/candlesTemperature Differential:
Heating: approximately ±0.8° F (.4° C)Cooling: approximately ±0.8° F (.4° C)Between stages: 2° F (1.1° C)
Dead Band: 4° F (2.2° C)Sensor System: Negative Temperature Coefficient (NTC)
Standard: internalOptional: remote
Compressor Protection: switched 4 minute time delaySwitches:
Slide: SYSTEM: HEAT/AUTO/COOLSlide: FAN: ON/AUTOSlide: PHOTOCELL: ON/OFFRotating: Set TEMPerature
Indicator LED's: ON (Steady Green) / SETBACK (Flashing Green)ALARM (Flashing Red) / AUX (Steady Red)
Security: Electronic temperature limiting and lockingDimensions: 543/64 x 31/4 x 13/16 Inches (144.1 x 82.6 x 30.2 mm)
SPECIFICATIONS
APPLICATIONS
Where automaticsetback (heating) orsetup (cooling)based on occu-pancy is desired.
}Central (main) heating or cooling.Zone heating or cooling.Residential (Single or multi-family,Apartments, Condominiums,Co-ops).Commercial (Stores, Restaurants,Offices).Industrial.Institutional (Hospitals, Hotels, Motels).
3-1/4"(82.6 mm)
5-43/64"(144.1 mm)
1-35/64"(39.3 mm)
1-3/16"(30.2 mm)
DIMENSIONS
MODEL NUMBERS AND DESCRIPTIONS FOR VARIOUS APPLICATIONS
Y2
G
W1
W2
Y1
G
W1
W2
Y
A
G
W
Y
X
T
TREMOTESENSOR
AUXILIARYAUXILIARYX
T
TREMOTESENSOR
X
T
T
INPUTS
ALARM/AUX.LED
Y
G
W1
W2
W3
X
T
TNTC TEMP.
SENSOR
REMOTESENSOR
FLAIR INTERNATIONAL CORPORATION600 Old Willets Path • Hauppauge, New York 11788 • Tel: (516) 234-3600 • Fax: (516) 234-3610
OUTPUTSINPUTS
OUTPUTSINPUTS
OUTPUTS
ALARM/AUX.LED
OUTPUTSINPUTS
ALARM/AUX.LED
ALARM/AUX.LED
ALARM/AUX.LED
OUTPUTS
INPUTS
X
T
T
AUXILIARY
REMOTESENSOR
Y2
Y1
W3
W2
W1
G
TL21P2
AUXILIARY
Model Number: TL213220Description: 3 stage heat, 2 stage cool
Light sensingSwitching Current at 24 VAC:
Cooling 1: 1 AmpCooling 2: 1 AmpHeating 1: 1 AmpHeating 2: 1 AmpHeating 3: 1 AmpFan: 1 AmpAlarm: 1 AmpAuxiliary: 1 Amp
Weight: .4 lbs. (880 g)
Switching Current at 24 VAC:Cooling 1: 1 AmpHeating 1: 1 AmpHeating 2: 1 AmpHeating 3: 1 AmpFan: 1 AmpAlarm: 1 AmpAuxiliary: 1 Amp
Weight: .4 lbs. (880 g)
Model Number: TL213120Description: 3 stage heat, 1 stage cool
Light sensing
Model Number: TL212220Description: 2 stage heat, 2 stage cool
Light sensing
Switching Current at 24 VAC:Cooling 1: 1 AmpCooling 2: 1 AmpHeating 1: 1 AmpHeating 2: 1 AmpFan: 1 AmpAlarm: 1 AmpAuxiliary: 1 Amp
Weight: .4 lbs. (880 g)
Model Number: TL212120Description: 2 stage heat, 1 stage cool
Light sensing
Switching Current at 24 VAC:Cooling: 1 AmpHeating 1: 1 AmpHeating 2: 1 AmpFan: 1 AmpAlarm: 1 AmpAuxiliary: 1 Amp
Weight: .4 lbs. (880 g)
Model Number: TL211120Description: 1 stage heat, 1 stage cool
Light sensing
Switching Current at 24 VAC:Cooling: 1 AmpHeating: 1 AmpFan: 1 AmpAlarm: 1 AmpAuxiliary: 1 Amp
Weight: .4 lbs. (880 g)
ON/SETBACKLED
ON/SETBACKLED
ON/SETBACKLED
ON/SETBACKLED
ON/SETBACKLED
LIGHTSENSOR
NTC TEMP.SENSOR
LIGHTSENSOR
NTC TEMP.SENSOR
LIGHTSENSOR
NTC TEMP.SENSOR
LIGHTSENSOR
NTC TEMP.SENSOR
LIGHTSENSOR
Flair pursues a policy of constant improvement. For this reason, all specifications are subject to change without notice.
Indicates this output is protected by a switched4 minute time delay
Remote Temperature Sensor TX101001Return Air Temperature Sensor TX101011Transformers:
40 VA TR14010020 VA TR120100
Relay Transformers:20 VA (2) SPST 120 VAC relay TR44020020 VA (1) SPST 120 VAC relay TR440300
ACCESSORIES
REFERENCESFor More Information On:
Wiring, jumper,potentiometer settingsand applications
Other thermostats
Zone Actuators
Zone Valves
Wiring Panels
Warranty & pricing
Backplates
See:
Instruction sheet
This section
Star Actuator section
Star Valve section
Control Panels section
Pricing & termssection
Accessories sheet
FAN
HEATING
COOLING
A ALARM
FAN
HEATING 1
HEATING 2
COOLING
AA ALARM
FAN
HEATING 1
HEATING 2
COOLING 1
COOLING 2
AA ALARM
AUXILIARY
REMOTESENSOR
FAN
HEATING 1
HEATING 2
HEATING 3
COOLING 1
COOLING 2
AA ALARM
FAN
HEATING 1
HEATING 2
HEATING 3
COOLING
A ALARMA