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AquaSmart Boiler Control Manual
Figure 17 (continued) - 7600A/B alternate multi-zone
connections with Indirect Domestic Hot Water (DHW)
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. Circulator-on delay will affect all zones. Circulator-off delay will have no effect.
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.
◄ CONTINUED FROM PREVIOUS PAGE
TH/
TR
TR
TW
24 VAC GAS
IGNITION SYSTEM
ZONE 1
LOW VOLTAGE
THERMOSTAT
ZONE 1
24 VAC
ZONE VALVE
T
Z
TV
SK10038
L2 L1 C1 C2 ZC ZR B1 B2
NEUTRAL
HOT
120 VAC
BLACK
WHITE
CIRCULATOR
120 VAC
GENERAL
CIRCULATOR
TR
TH
Honewell
V8043F
ZONE
RELAY
T
T
1/H
2/N
3
4
5
6
DHW ZONE
24 VAC
ZONE VALVE
Y
RR
Y
ZONE 3*
LOW VOLTAGE
THERMOSTAT
ZONE 3*
24 VAC
ZONE VALVE
Honewell
V8043E, V8044E
Taco
550
ZONE 2
24 VAC
ZONE VALVE
ZONE 2
LOW VOLTAGE
THERMOSTAT
THTR
DHW
LIMIT
CONTROL
Honeywell
V8043F
MTR
TH/
TR
MTR
MTR
40 VA
TRANSFORMER
32
MTR
1
FIELD/MFR.
SUPPLIED
SERVICE
SWITCH
CONTINUED ON NEXT PAGE ►
* Additional zones can be added by duplicating the
plumbing and wiring of zone 3, adding additional
transformers as needed.