Beckett 7600 AquaSmart Boiler Control - Manual (Page 22)

22
Figure 16 (continued) - 7600A/B multi-zone connections
with Indirect Domestic Hot Water (DHW)
◄ CONTINUED FROM PREVIOUS PAGE
Control Wiring (Option 3): Utilizing a Zone Panel
1. Set “DHWP on TT” (see programming section for instructions).
2. Set “C1 on TT” (default, see programming section for instructions).
3. Circulator-on and -off delay will only effect DHW zone.
4. A call for heat on TT (from the DHW zone) will change boiler set point to the high limit. All
other zones willheat to the reset temperature determined by the HeatManager.
5. Ensure that the zone panel and AquaSmart are powered from the same service switch.
DHW
LIMIT
CONTROL
L2 L1 C1 C2 ZC ZR B1 B2
TR
TW
SK10036
ZONE
PANEL
NEUTRAL
HOT
120 VAC
BLACK
WHITE
X
X
L1
L2
Z1 Z2 Z3*
P2
CIRCULATOR
120 VAC
P3
CIRCULATOR
120 VAC
P4*
CIRCULATOR
120 VAC
ZONE 1
LOW
VOLTAGE
THERMOSTAT
ZONE 2
LOW
VOLTAGE
THERMOSTAT
ZONE 3*
LOW
VOLTAGE
THERMOSTAT
END
SWITCH
7600A:
120 VAC BURNER OR
GAS IGNITION SYSTEM
7600B:
24 VAC GAS
IGNITION SYSTEM
FIELD/MFR.
SUPPLIED
SERVICE
SWITCH
ZC ZR
P1
CIRCULATOR
120 VAC
* Additional zones can be added by duplicating
the plumbing and wiring of zone 3.