Figure 15 - 7600A/B single-zone connections with Indirect Domestic Hot Water (DHW)

Water Flow:

AIR

 

VENT

AIR

SEPARATOR

 

P2

P1

SK10034

INDIRECT

 

 

DHW

HEATING

 

DHW

ZONE

 

1

 

ZONE

 

EXPANSION

TANK

COLD

WATER

INLET

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.

SK10023

TW

WHITE

ZONE

 

TR

RED

1

 

 

LOW VOLTAGE

THERMOSTAT

 

L2 L1 C1 C2 ZC ZR B1 B2

NEUTRAL

WHITE

 

7600A:

120 VAC

 

 

BLACK

P1

120 VAC BURNER OR

 

GAS IGNITION SYSTEM

 

 

 

CIRCULATOR

120 VAC

P2

6

ZONE

HOT FIELD/MFR.

CIRCULATOR

7600B:

SUPPLIED

120 VAC

24 VAC GAS

SERVICE

 

IGNITION SYSTEM

SWITCH

 

 

 

 

RELAY

5

4DHW LIMIT

3CONTROL

2/N T

1/H T

AquaSmart Boiler Control Manual

17

Page 17
Image 17
Beckett 7600 manual Dhw