Page 16 | GB100W NATURAL OR PROPANE BOILER |
| INSTALLATION AND OPERATING INSTRUCTIONS |
Figure 15: Multi Zone Diagram
T87F ZONE 1 |
| T87F ZONE 2 |
| T87F ZONE 3 |
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| V8043F |
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| V8043F |
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| V8043F |
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END SWITCH | END SWITCH | END SWITCH | ||||||
TH | TR | TH | TR | TH | TR | |||
R8285D
1
LINE VOLTAGE LOW VOLTAGE
3
2
Figure 16: Multi Zone Diagram
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| LINE VOLTAGE | TO ADDITIONAL |
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| R845A RELAYS | |
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| LOW VOLTAGE | |
| R8285D |
| FOR OTHER ZONES | |
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| 1 |
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| R845A RELAY |
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| ZONE 1 |
| 3 |
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| 6 |
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| 5 |
Y | G | W |
| 4 |
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| 3 |
| C | R |
| 1 |
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| 2 |
Y G W
C R
(HOT)
W | BK |
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| LOW |
| CIRCULATOR | VOLTAGE |
| ZONE 1 | THERMOSTAT |
L1 1 L2
POWER
SUPPLY
W | BK | L1 | CIRCULATOR |
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POWER
1 SUPPLY
L2
1 PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
L 1 L | 1 | PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION |
2POWER 1 | AS REQUIRED. | |
SUPPLY |
|
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2 SIZE ADDITIONAL TRANSFORMER 8VA PER EACH V8043F ZONE VALVE THAT IS REQUIRED.
Figure 17: Multi Zone Diagram
LINE VOLTAGE
LOW VOLTAGE
R8285D
1
3
Y G W
C R
ZONE 1
THERMOSTAT
R882C
N.O.
N.C.
COM.
N.O.
N.C.
COM.
W B
ZONE 2
THERMOSTAT
R882C
N.O.
N.C.
COM.
N.O.
N.C.
COM.
W B
ZONE 3
THERMOSTAT
R882C
N.O.
N.C.
COM.
N.O.
N.C.
COM.
W B
24
VAC
21
2 
W BK
W |
| BK | CIRCULATOR | CIRCULATOR | CIRCULATOR |
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| ZONE 1 | ZONE 2 | ZONE 3 |
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| L2 | 1 | L1 |
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| POWER | ||
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| SUPPLY | ||
L2 | 1 | L1 | 1 PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. |
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POWER | 2 SIZE ADDITIONAL TRANSFORMER 15VA PER EACH R882C ZONE RELAY THAT IS REQUIRED. |
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SUPPLY |
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