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