HSE

GA

S S

UP

PLY

CH RETURN

DH

W S

UP

PLY

CH

SU

PP

LY

DOMESTICCOLD WATER

TO DRAIN DO

ME

STI

CIN

DOMESTICRE-CIRCULATION

This drawing illustrates a system concept only. This is not an engineering drawing and may notshow all necessary components or may show additional components that may not be required forthe system. The installer is responsible for compliance with local code requirements and properinstallation practices

STORAGETANK

L N

POWER SUPPLYBY OTHERS

DOMESTICCOLD WATER;PIPE ACCORDINGTO LOCAL CODES

DOMESTICCOLD WATER;PIPE ACCORDINGTO LOCAL CODES

STORAGETANK L

N

POWER SUPPLYBY OTHERS

120 Vac

DOMESTICCOLD WATER;PIPE ACCORDINGTO LOCAL CODES

Re-circulationPump

Check Valve AquastatManual Shut offValve Fixture

Legend

Pressure ReliefValve Drain Valve

Potable WaterExpansion Tank

HSEHSEHSE

120

Vac

This drawing illustrates a system concept only. This is not an engineering drawing and may notshow all necessary components or may show additional components that may not be required forthe system. The installer is responsible for compliance with local code requirements and properinstallation practices

1 1

BOILER CONTROLLER

L NG

POWER SUPPLYBY OTHERS

2 3 4 5 6 7 8 9 10 1112 2 3 4 5 6 7 8

NLG

TERMINAL X4 (24 V) TERMINAL X2 (120 Vac)

DOMESTICCOLD WATER

R RYY

Zone valvew/ end switch

Zone Thermostat NEC Class IITransformer

Heating Zone

Check Valve

Pump

Legend

Expansion Tank

Automatic Fill Valve

Air Separatorand Air Vent

Manual Shut offValve

N L

OptionalPump

R RR RR RR R

HSE

120V

ac24

Vac

This drawing illustrates a system concept only. This is not an engineering drawing and may notshow all necessary components or may show additional components that may not be required forthe system. The installer is responsible for compliance with local code requirements and properinstallation practices

1 1

BOILER CONTROLLER

2 3 4 5 6 7 8 9 101112 2 3 4 5 6 7 8

NLG

TERMINAL X4 (24 V) TERMINAL X2 (120 Vac)

DOMESTICCOLD WATER

L NG

POWER SUPPLYBY OTHERS

R RR RR RR R

R RYY

Zone valvew/ end switch

Zone Thermostat NEC Class IITransformer

Heating Zone

Check Valve

Pump

Legend

Expansion Tank

Automatic Fill Valve

Air Separatorand Air Vent

Manual Shut offValve

HSE

120V

ac24

Vac

N L

CLOSELY SPACED TEESMAX. 4 PIPE DIAMETERSCENTER TO CENTER

This drawing illustrates a system concept only. This is not an engineering drawing and may notshow all necessary components or may show additional components that may not be required forthe system. The installer is responsible for compliance with local code requirements and properinstallation practices

1 1

BOILER CONTROLLER

2 3 4 5 6 7 8 9 10 1112 2 3 4 5 6 7 8

NLG

TERMINAL X4 (24 V) TERMINAL X2 (120 Vac) ZONE PUMP CONTROLLERP1 P1 P2 P2

ENDSWITCH

POWERINPUT

P3 P3 P4 P4

ZONE 1THERMOSTAT

ZONE 2THERMOSTAT

ZONE 3THERMOSTAT

ZONE 4THERMOSTAT

ZONE PUMPCONTROLLERBY OTHERS

L NG

POWER SUPPLYBY OTHERS

PRIORITYTHERMOSTAT

PR PR

N L

DOMESTICCOLD WATER

Zone Thermostat

Heating Zone

Check Valve

Pump

Legend

Expansion Tank

Automatic Fill Valve

Air Separatorand Air Vent

Manual Shut offValve

NC S.P.S.TRelay

HSE

This drawing illustrates a system concept only. This is not an engineering drawing and may notshow all necessary components or may show additional components that may not be required forthe system. The installer is responsible for compliance with local code requirements and properinstallation practices

1 1

BOILER CONTROLLER

2 3 4 5 6 7 8 9 101112 2 3 4 5 6 7 8

NLG

TERMINAL X4 (24 V) TERMINAL X2 (120 Vac)

L NG

POWER SUPPLYBY OTHERS

DOMESTICCOLD WATER

ZONE PUMP CONTROLLERP1 P1 P2 P2

ENDSWITCH

POWERINPUT

P3 P3 P4 P4

ZONE 1THERMOSTAT

ZONE 2THERMOSTAT

ZONE 3THERMOSTAT

ZONE 4THERMOSTAT

ZONE PUMPCONTROLLERBY OTHERS

PR PR

Zone Thermostat

Heating Zone

Check Valve

Pump

Legend

Expansion Tank

Automatic Fill Valve

Air Separatorand Air Vent

Manual Shut offValve

HSE

120V

ac

PRIORITYTHERMOSTAT

N L NC S.P.S.TRelay

CLOSELY SPACED TEESMAX. 4 PIPE DIAMETERSCENTER TO CENTER

This drawing illustrates a system concept only. This is not an engineering drawing and may notshow all necessary components or may show additional components that may not be required forthe system. The installer is responsible for compliance with local code requirements and properinstallation practices

1 1

BOILER CONTROLLER

L NG

POWER SUPPLYBY OTHERS

2 3 4 5 6 7 8 9 101112 2 3 4 5 6 7 8

NLG

TERMINAL X4 (24 V) TERMINAL X2 (120 Vac)

B A

ABINDIRECT HOTWATER TANK

DOMESTICCOLD WATER

12KΩ/25°C NTCTank Sensor

R RYY

Zone valvew/ end switch

Thermostat NEC Class IITransformer

Heating Zone

Check Valve

Pump

Legend

Expansion Tank

3 Way Diverting Valve(HW VC4011zz11)

Air Separatorand Air Vent

DHW TOPLUMBINGFIXTURES

Pressure ReliefValve

Manual Shut offValve

OptionalPump

DOMESTICCOLD WATER

Automatic Fill Valve

Drain ValveN L

R RR RR RR R

HSE

This drawing illustrates a system concept only. This is not an engineering drawing and may notshow all necessary components or may show additional components that may not be required forthe system. The installer is responsible for compliance with local code requirements and properinstallation practices

1 1

BOILER CONTROLLER

2 3 4 5 6 7 8 9 101112 2 3 4 5 6 7 8

NLG

TERMINAL X4 (24 V) TERMINAL X2 (120 Vac)

INDIRECT HOTWATER TANK

DOMESTICCOLD WATER

DHW TOPLUMBINGFIXTURES

Heating Zone

Check Valve

Pump

Legend

Expansion Tank

Automatic Fill ValveAir Separatorand Air Vent

Manual Shut offValve 12KΩ/25°C NTC

Tank Sensor

Pressure ReliefValve Drain Valve

Thermostat

L NG

POWER SUPPLYBY OTHERS

3 Way Diverting ValveHW VC4011zz11

DOMESTICCOLD WATER

N LZONE PUMP CONTROLLERP1 P1 P2 P2

ENDSWITCH

POWERINPUT

P3 P3 P4 P4

ZONE 1THERMOSTAT

ZONE 2THERMOSTAT

ZONE 3THERMOSTAT

ZONE 4THERMOSTAT

ZONE PUMPCONTROLLERBY OTHERS

PRIORITYTHERMOSTAT

PR PR

NC S.P.S.TRelay

HSE

This drawing illustrates a system concept only. This is not an engineering drawing and may notshow all necessary components or may show additional components that may not be required forthe system. The installer is responsible for compliance with local code requirements and properinstallation practices

1 1

BOILER CONTROLLER

L NG

POWER SUPPLYBY OTHERS

2 3 4 5 6 7 8 9 10 1112 2 3 4 5 6 7 8

NLG

TERMINAL X4 (24 V) TERMINAL X2 (120 Vac)

R RYY

Zone valvew/ end switch

Zone Thermostat NEC Class IITransformer Heating Zone

Check Valve Pump

R RR RR RR R

L

N

D.P.S.T RELAY* IF USING PUMP

Legend

Expansion Tank

3 Way Mixing Valve

Air Separatorand Air Vent

Manual Shut offValve

POWER SUPPLYBY OTHERS

Optionalpump based onsystem design

DOMESTICCOLD WATER

OptionalPump

N L

R R R R R R R R

HSE

Automatic Fill Valve

This drawing illustrates a system concept only. This is not an engineering drawing and may notshow all necessary components or may show additional components that may not be required forthe system. The installer is responsible for compliance with local code requirements and properinstallation practices

1 1

BOILER CONTROLLER

2 3 4 5 6 7 8 9 101112 2 3 4 5 6 7 8

NLG

TERMINAL X4 (24 V) TERMINAL X2 (120 Vac)

ZONE PUMP CONTROLLERP1 P1 P2 P2

ENDSWITCH

POWERINPUT

P3 P3 P4 P4

ZONE PUMPCONTROLLERW/PRIORITYBY OTHERS

P5 P5 P6 P6

ZONE 1 ZONE 2 ZONE 3 ZONE 4 ZONE 5 ZONE 6 ZONE 7 ZONE 8

P7 P7 P8P8

Zone Thermostat Heating Zone

Check Valve

Pump

Legend

Expansion Tank

Air Separatorand Air Vent

Manual Shut offValve

3 Way Mixing Valve

L NG

POWER SUPPLYBY OTHERS

PRIORITYZONE

PRPR

N L

NC S.P.S.TRelay

HSE

Automatic Fill Valve

DOMESTICCOLD WATER

This drawing illustrates a system concept only. This is not an engineering drawing and may notshow all necessary components or may show additional components that may not be required forthe system. The installer is responsible for compliance with local code requirements and properinstallation practices

DOMESTICCOLD WATER;Pipe According tolocal codes

INDIRECT HOTWATER TANK

SOLAR C

OLLECTORS

Solar systemControlsBy others

INDIRECT HOTWATER TANK

SOLAR C

OLLECTORS

Solar systemControlsBy others

YY

ABA

BL N

POWER SUPPLYBY OTHERS

DOMESTICCOLD WATER;Pipe According tolocal codes

HSEHSE

Re-circulationPump

Check Valve AquastatManual Shut offValve Fixture

Legend

Pressure ReliefValve Drain Valve

This drawing illustrates a system concept only. This is not an engineering drawing and may notshow all necessary components or may show additional components that may not be required forthe system. The installer is responsible for compliance with local code requirements and properinstallation practices

INDIRECTTANK

SOLAR C

OLLECTORS

Solar systemControlsBy others

1 1

BOILER CONTROLLER

L NG

POWER SUPPLYBY OTHERS

2 3 4 5 6 7 8 9 101112 2 3 4 5 6 7 8

NLG

TERMINAL X4 (24 V) TERMINAL X2 (120 Vac)

R RYY

R R R R R RYY

YY

YY

R RYY

Zone valvew/ end switch

Zone Thermostat NEC Class IITransformer

Heating Zone

Check Valve

Pump

Legend

Expansion Tank Pressure ReducingValve

3 Way Mixing Valve

Air Separatorand Air Vent

Manual Shut offValve

D.P.S.TRELAY

RW B

L

N120 Vac

POWER SUPPLYBY OTHERS

RW S.P.D.T Aquastat

3 Way Diverting Valve

D.P.S.TRELAY

RB

DOMESTICCOLD WATER

N L

HSE

120V

ac24

Vac

This drawing illustrates a system concept only. This is not an engineering drawing and may notshow all necessary components or may show additional components that may not be required forthe system. The installer is responsible for compliance with local code requirements and properinstallation practices

INDIRECTTANK

SOLAR C

OLLECTORS

Solar systemControlsBy others

1 1

BOILER CONTROLLER

L NG

POWER SUPPLYBY OTHERS

2 3 4 5 6 7 8 9 101112 2 3 4 5 6 7 8

NLG

TERMINAL X4 (24 V) TERMINAL X2 (120 Vac)

R RYY

R R R R R RYY

YY

YY

Legend

RW B

LN

120

Vac

POWER SUPPLYBY OTHERS

R YR Y

D.P.S.TRELAY

DOMESTICCOLD WATER

N L

HSE

R RYY

Zone valvew/ end switch

Thermostat NEC Class IITransformer

Heating Zone

Check Valve

Pump

Legend

Expansion Tank

3 Way Diverting Valvew/ end switch

Air Separatorand Air Vent

Pressure ReliefValve

Manual Shut offValve

Automatic Fill Valve

Drain Valve 3 Way Mixing ValveR

W S.P.D.T AquastatRB12

0Vac

24V

ac

This drawing illustrates a system concept only. This is not an engineering drawing and may notshow all necessary components or may show additional components that may not be required forthe system. The installer is responsible for compliance with local code requirements and properinstallation practices

INDIRECTTANK

SOLAR C

OLLECTORS

Solar systemControlsBy others

1 1

BOILER CONTROLLER

L NG

POWER SUPPLYBY OTHERS

2 3 4 5 6 7 8 9 101112 2 3 4 5 6 7 8

NLG

TERMINAL X4 (24 V) TERMINAL X2 (120 Vac)

RW B

S.P.S.TRELAY

ZONE PUMP CONTROLLERP1 P1 P2 P2

ENDSWITCH

POWERINPUT

P3 P3 P4 P4

ZONE 1THERMOSTAT

ZONE 2THERMOSTAT

ZONE 3THERMOSTAT

ZONE 4THERMOSTAT

ZONE PUMPCONTROLLERBY OTHERS

DOMESTICCOLD WATER

PRIORITYTHERMOSTAT

N L

PR PR

HSE

Legend

Thermostat NEC Class IITransformer

Heating Zone

Check Valve

Pump

Legend

Expansion Tank

3 Way Diverting Valve

Air Separatorand Air Vent

Pressure ReliefValve

Manual Shut offValve

Automatic Fill Valve

Drain Valve 3 Way Mixing Valve

RW S.P.D.T Aquastat

RB

120V

ac

24Vac120Vac

This drawing illustrates a system concept only. This is not an engineering drawing and may notshow all necessary components or may show additional components that may not be required forthe system. The installer is responsible for compliance with local code requirements and properinstallation practices