Figure 17 (continued) - 7600A/B alternate multi-zone connections with Indirect Domestic Hot Water (DHW)
*Additional zones can be added by duplicating the plumbing and wiring of zone 3, adding additional transformers as needed.
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Control Wiring (Option 1): 7600B only
1.Set “DHWP on ZR” (see programming section for instructions)
2.Set “C1 on BOTH” (see programming section for instructions)
3.
4.Up to two 24 VAC zone valves can be powered with the 7600B. Add an additional transformer as shown for every two or less valves over the original two.
5. Ensure there are no jumpers between the terminals of the zone valves. | ZONE 3* |
| LOW VOLTAGE |
| THERMOSTAT |
SK10038
TW
TR
L2 L1 C1 C2 ZC ZR B1 B2
NEUTRAL WHITE
120 VAC
BLACK
HOT FIELD/MFR. SUPPLIED SERVICE SWITCH
GENERAL
CIRCULATOR
CIRCULATOR
120 VAC
DHW ZONE 24 VAC ZONE VALVE
Honeywell
V8043F
TR TH
MTR
ZONE 1
LOW VOLTAGE
THERMOSTAT
ZONE 1
24VAC ZONE VALVE
Honewell
V8043F
TR | TH | TH/ |
|
| TR |
MTR
T
Z
TV
24 VAC GAS
IGNITION SYSTEM
ZONE 3*
24 VAC ZONE VALVE
Honewell
V8043E, V8044E
TH/ | Y | MTR | Y |
TR |
|
|
|
RR
ZONE 2
LOW VOLTAGE
THERMOSTAT
ZONE 2
24VAC ZONE VALVE
Taco 550
1
MTR
32
6ZONE RELAY
5
4DHW LIMIT
3CONTROL
2/N T
1/H T
40 VA TRANSFORMER
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AquaSmart Boiler Control Manual
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