Wiring Terminals Inside Boiler

230VIN

230VOUT

FR FS LR LR

LNLN LN LN LN

Optional 240VAC Frost Thermostat for Pipework in unheated air space on External Boilers

Frost ThermostatPipe Thermostat

Greenstar Heatslave II Combi ErP1H-R-P

All electrical work should be carried out by a registered engineer. Wiring must comply with the latest IET wiring regulations. Isolate the mains electricity supply before starting any work and observe all relevant safety precautions. Refer to all relevant product installation manuals for safety and installation instructions. Whilst it is always our intention to fully assist, it is essential to recognise that all information given by the company is provided in good faith and based upon the information available. Connection labels may not match those of the products installed on site. We recommend that advice should always be checked with your installer, electrician or the manufacturer of the product in question. Consequently, the company cannot be held responsible for any liability relating to the use or repetition of such information or part thereof. In addition, whilst making every reasonable effort to monitor the performance and quality of our supply, installation and service network, we do not accept responsibility for the workmanship or operation of any third party company.

WG HS-C-1H-R-P a (2016/12)

Programmable Room Thermostat only

L LIVE N NEUTRAL EARTHE

The following labels and those like them are used to denote generic connections (such as the live supply to components) in order to simplify the diagram:

230V MainsVoltage

Double PoleFused Spur

1 2 3 4 5 7 8 9 106

Legend:LNLRECSDMCH DHW D

= Live Supply= Neutral Supply= Live Return= Earth= Common= Satisfied= Demand= Motor= Central Heating Demand= Hot Water Demand

Programmable ThermostatThe Link between the live (L) and common (C)

may already be fitted as part of the programmablethermostat, if not then a link must be wired in.

N L C NC NO

Wiring Centre

LN

E

EL N

LN

Wiring Terminals Inside Boiler

230VIN

230VOUT

FR FS LR LR

LNLN LN LN LN

Greenstar Heatslave II Combi ErP2H-R-E

All electrical work should be carried out by a registered engineer. Wiring must comply with the latest IET wiring regulations. Isolate the mains electricity supply before starting any work and observe all relevant safety precautions. Refer to all relevant product installation manuals for safety and installation instructions. Whilst it is always our intention to fully assist, it is essential to recognise that all information given by the company is provided in good faith and based upon the information available. Connection labels may not match those of the products installed on site. We recommend that advice should always be checked with your installer, electrician or the manufacturer of the product in question. Consequently, the company cannot be held responsible for any liability relating to the use or repetition of such information or part thereof. In addition, whilst making every reasonable effort to monitor the performance and quality of our supply, installation and service network, we do not accept responsibility for the workmanship or operation of any third party company.

WG HS-C-2H-R-E a (2016/12)

2 Heating Zones

L LIVE N NEUTRAL EARTHE

The following labels and those like them are used to denote generic connections (such as the live supply to components) in order to simplify the diagram:

Programmer

~ ~

Room Thermostat 1

CH1 D

Heating Zone 2 Valve

HeatingZone 1 Valve

230V MainsVoltage

Double PoleFused Spur

1 2 3 4 5 7 8 9 106

C D

Legend:LNLRECSDMCH DHW D

= Live Supply= Neutral Supply= Live Return= Earth= Common= Satisfied= Demand= Motor= Central Heating Demand= Hot Water Demand

CH2 D

Room Thermostat 2

C D

Wiring Centre

LN

E

EL N

N

L

N N

EN

L EN

L

Wiring Terminals Inside Boiler

230VIN

230VOUT

FR FS LR LR

LNLN LN LN LN

Greenstar Heatslave II Combi ErP2H-R-I

All electrical work should be carried out by a registered engineer. Wiring must comply with the latest IET wiring regulations. Isolate the mains electricity supply before starting any work and observe all relevant safety precautions. Refer to all relevant product installation manuals for safety and installation instructions. Whilst it is always our intention to fully assist, it is essential to recognise that all information given by the company is provided in good faith and based upon the information available. Connection labels may not match those of the products installed on site. We recommend that advice should always be checked with your installer, electrician or the manufacturer of the product in question. Consequently, the company cannot be held responsible for any liability relating to the use or repetition of such information or part thereof. In addition, whilst making every reasonable effort to monitor the performance and quality of our supply, installation and service network, we do not accept responsibility for the workmanship or operation of any third party company.

WG HS-C-2H-R-I a (2016/12)

2 Heating Zones (Integral Programmer)

L LIVE N NEUTRAL EARTHE

The following labels and those like them are used to denote generic connections (such as the live supply to components) in order to simplify the diagram:

~ ~

Room Thermostat 1

HeatingZone Valve 2

HeatingZone Valve 1

230V MainsVoltage

Double PoleFused Spur

1 2 3 4 5 7 8 9 106

C D

Legend:LNLRECSDMCH DHW D

= Live Supply= Neutral Supply= Live Return= Earth= Common= Satisfied= Demand= Motor= Central Heating Demand= Hot Water Demand

Room Thermostat 2

C D

Wiring Centre

LN

E

EL N

EN

L EN

L

N N

Wiring Terminals Inside Boiler

230VIN

230VOUT

FR FS LR LR

LNLN LN LN LN

Greenstar Heatslave II Combi ErP3H-U-E

All electrical work should be carried out by a registered engineer. Wiring must comply with the latest IET wiring regulations. Isolate the mains electricity supply before starting any work and observe all relevant safety precautions. Refer to all relevant product installation manuals for safety and installation instructions. Whilst it is always our intention to fully assist, it is essential to recognise that all information given by the company is provided in good faith and based upon the information available. Connection labels may not match those of the products installed on site. We recommend that advice should always be checked with your installer, electrician or the manufacturer of the product in question. Consequently, the company cannot be held responsible for any liability relating to the use or repetition of such information or part thereof. In addition, whilst making every reasonable effort to monitor the performance and quality of our supply, installation and service network, we do not accept responsibility for the workmanship or operation of any third party company.

WG HS-C-3H-U-E a (2016/12)

3 Heating Zones (Underfloor Heating)

L LIVE N NEUTRAL EARTHE

The following labels and those like them are used to denote generic connections (such as the live supply to components) in order to simplify the diagram:

Programmer

~ ~

Room Thermostat 1

CH1 D CH2 D

HeatingZone Valve 2

HeatingZone Valve 1

230V MainsVoltage

Double PoleFused Spur

1 2 3 4 5 7 8 9 106

C D

Legend:LNLRECSDMCH DHW D

= Live Supply= Neutral Supply= Live Return= Earth= Common= Satisfied= Demand= Motor= Central Heating Demand= Hot Water Demand

Room Thermostat 2

C D

Wiring Centre

Underfloor Wiring Centre

Timer Demand

~

UFHZone Valve

LN

E

L N E

EL N

EL N

N

L

EN

L EN

L

NN

EN

L

Wiring Terminals Inside Boiler

Legend:LNLRFR FS ECSDMCH DHW D

= Live Supply= Neutral Supply= Live Return= Frost Return= Frost Supply = Earth= Common= Satisfied= Demand= Motor= Central Heating Demand= Hot Water Demand

230VIN

230VOUT

FR FS LR LR

LNLN LN LN LN

Greenstar Heatslave II Combi ErP------FB

All electrical work should be carried out by a registered engineer. Wiring must comply with the latest IET wiring regulations. Isolate the mains electricity supply before starting any work and observe all relevant safety precautions. Refer to all relevant product installation manuals for safety and installation instructions. Whilst it is always our intention to fully assist, it is essential to recognise that all information given by the company is provided in good faith and based upon the information available. Connection labels may not match those of the products installed on site. We recommend that advice should always be checked with your installer, electrician or the manufacturer of the product in question. Consequently, the company cannot be held responsible for any liability relating to the use or repetition of such information or part thereof. In addition, whilst making every reasonable effort to monitor the performance and quality of our supply, installation and service network, we do not accept responsibility for the workmanship or operation of any third party company.

WG HS-C-------FB a (2016/12)

Frost Protection (to System Bypass)

L LIVE N NEUTRAL EARTHE

The following labels and those like them are used to denote generic connections (such as the live supply to components) in order to simplify the diagram:

230V MainsVoltage

Double PoleFused Spur

ExternalFrost Thermostat

C DReturn

Pipe Thermostat

C D

We recommend that the Frost Thermostat is installed at the coldest location. Frost Thermostat to be set on at 5°C and the Pipe Thermostat to be off at 15°C.

Wiring Terminals Inside Boiler

Legend:LNLRFR FS ECSDMCH DHW D

= Live Supply= Neutral Supply= Live Return= Frost Return= Frost Supply = Earth= Common= Satisfied= Demand= Motor= Central Heating Demand= Hot Water Demand

230VIN

230VOUT

FR FS LR LR

LNLN LN LN LN

230VIN

230VOUT

FR FS LR LR

LNLN LN LN LN

Wiring Terminals Inside Boiler

Greenstar Heatslave II Combi ErP------LLH

All electrical work should be carried out by a registered engineer. Wiring must comply with the latest IET wiring regulations. Isolate the mains electricity supply before starting any work and observe all relevant safety precautions. Refer to all relevant product installation manuals for safety and installation instructions. Whilst it is always our intention to fully assist, it is essential to recognise that all information given by the company is provided in good faith and based upon the information available. Connection labels may not match those of the products installed on site. We recommend that advice should always be checked with your installer, electrician or the manufacturer of the product in question. Consequently, the company cannot be held responsible for any liability relating to the use or repetition of such information or part thereof. In addition, whilst making every reasonable effort to monitor the performance and quality of our supply, installation and service network, we do not accept responsibility for the workmanship or operation of any third party company.

WG HS-C-------LLH a (2016/12)

Cascade boilers with Low Loss Header

L LIVE N NEUTRAL EARTHE

The following labels and those like them are used to denote generic connections (such as the live supply to components) in order to simplify the diagram:

230V MainsVoltage

Double PoleFused Spur

C

NC

Header Limit Thermostat

230V ACDouble Pole Relay

IMPORTANT NOTE:

The Relay should be mountedwithin a suitable electrically safehousing.

C C

NO NC

Coil Neutral

NONC

Coil Live

Example relay shown is a doublePole Mains Voltage Relay. Thisdisables the boilers electrically incase of a fault condition.

Junction Box / Wiring CentreDL N E

Wiring From Zone/s Controls

C C

LN

E

LN

E

LN

E

L N E

N