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.
◄CONTINUED FROM PREVIOUS PAGE
Control Wiring (Option 2): 7600A only
1.Set “DHWP on ZR” (see programming section for instructions)
2.Set “C1 on BOTH” (see programming section for instructions)
3.
4.24 VAC zone valves cannot be powered directly with the 7600A. Add an additional transformer as shown for every two or less valves.
5.Ensure there are no jumpers between the terminals of the zone valves.
DHW ZONE 24 VAC ZONE VALVE
Honeywell
V8043F
TR TH
MTR
ZONE 1
LOW VOLTAGE
THERMOSTAT
ZONE 1
24 VAC ZONE VALVE
Honewell
V8043F
SK10047 | TR | TH | TH/ |
|
| TR | |
|
|
|
MTR
TW
TR
| L2 L1 | C1 C2 ZC ZR B1 B2 | |
NEUTRAL WHITE | 120 VAC | ||
BURNER OR | |||
|
| ||
120 VAC | BLACK | GAS IGNITION | |
| SYSTEM | ||
HOT FIELD/MFR. | |||
| |||
SUPPLIED |
| ||
SERVICE |
| ||
SWITCH |
| ||
|
| 40 VA | |
|
| TRANSFORMER | |
GENERAL
CIRCULATOR
CIRCULATOR
120 VAC
ZONE 3*
LOW VOLTAGE
THERMOSTAT
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
24