Beckett 7600 AquaSmart Boiler Control - Manual (Page 18)

18
SK10034
COLD
WATER
INLET
EXPANSION
TANK
AIR
SEPARATOR
AIR
VENT
HEATING
ZONE
1
INDIRECT
DHW
DHW
ZONE
P2 P1
Figure 15 - 7600A/B single-zone connections
with Indirect Domestic Hot Water (DHW)
Water Flow:
Control Wiring:
1. Set “DHWP on ZR” (see programming section for instructions)
2. Set “C1 on TT” (default, see programming section for instructions)
3. Circulator-on and -off delay will only affect zone 1.
L2 L1 C1 C2 ZC ZR B1 B2
TR
TW
SK10023
6
5
4
3
2/N
1/H
T
T
ZONE
RELAY
NEUTRAL
HOT
120 VAC
BLACK
WHITE
ZONE
1
LOW VOLTAGE
THERMOSTAT
P1
CIRCULATOR
120 VAC
P2
CIRCULATOR
120 VAC
DHW
LIMIT
CONTROL
WHITE
RED
7600A:
120 VAC BURNER OR
GAS IGNITION SYSTEM
7600B:
24 VAC GAS
IGNITION SYSTEM
FIELD/MFR.
SUPPLIED
SERVICE
SWITCH