Beckett 7600 AquaSmart Boiler Control - Manual (Page 15)

15 AquaSmart Boiler Control Manual
TR
TW
SK10032
6
5
4
3
2/N
1/H
T
T
ZONE
RELAY
ZONE
1
LOW VOLTAGE
THERMOSTAT
LOW VOLTAGE
THERMOSTAT
ZONE
2
ZONE
RELAY
T
T
1/H
2/N
3
4
NEUTRAL
HOT
120 VAC
BLACK
WHITE
P1
CIRCULATOR
120 VAC
P3*
CIRCULATOR
120 VAC
6
5
4
3
2/N
1/H
T
T
ZONE
RELAY
ZONE
3*
LOW VOLTAGE
THERMOSTAT
L2 L1 C1 C2 ZC ZR B1 B2
7600A:
120 VAC BURNER OR
GAS IGNITION SYSTEM
7600B:
24 VAC GAS
IGNITION SYSTEM
FIELD/MFR.
SUPPLIED
SERVICE
SWITCH
P2
CIRCULATOR
120 VAC
6
5
Figure 13 (continued) - 7600A/B multi-zone connections
with or without a tankless coil
Control Wiring (Option 2): Circulator-On Delay on All Zones
1. Set “DHWP OFF” (default, see programming section for instructions)
2. Set “C1 on ZR” (see programming section for instructions)
3. Circulator-on delay will affect all zones. Circulator-off delay will have no effect.
◄ CONTINUED FROM PREVIOUS PAGE
* Additional zones can be added by duplicating
the plumbing and wiring of zone 3.