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12
SK10030
P1
COLD
WATER
INLET
EXPANSION
TANK
HEATING
ZONE
AIR
SEPARATOR
AIR
VENT
Figure 12 - 7600A/B single-zone connections
with or without a tankless coil
Water Flow:
Control Wiring:
1. Set “DHWP OFF” (default, see programming section for instructions)
2. Set “C1 on TT” (default, see programming section for instructions)
LOW VOLTAGE
THERMOSTAT
L2 L1 C1 C2 ZC ZR B1 B2
P1
CIRCULATOR
120 VAC
120 VAC
NEUTRAL WHITE
HOT
FIELD/MFR.
SUPPLIED
SERVICE
SWITCH
BLACK
7600A:
120 VAC BURNER OR
GAS IGNITION SYSTEM
7600B:
24 VAC GAS
IGNITION SYSTEM
TW
TR
WHITE
RED
BLACK
WHITE
SK10019