Embassy ONEX - Suggested Piping and Wiring Connections for the 45 WN and 45 WE Versions Boiler

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5.15 - Suggested

piping and wiring

connections for the

45WN and 45WE

versions Boiler

Figure 16 shows the suggested piping

and wiring connection for boiler

models 45WN and 45WE.

All component listed below, except the

flue terminal needs to be field supplied.

1 = ball valve

2 = drain valve

3 = Manual gas shut-off valve

4 = sediment trap

5 = ground joint union

6 = Circulator pump

7 = By pass valve

8 = Relief valve drain

9 = Condensate drain

10 = Domestic mixing valve

11 = Expansion tank

12 = Flow restrictor

13 = Fill valve

14 = Heating supply

15 = Domestic Hot Water

16 = Cold water

17 = Heating return

18 = Gas supply

19 = Concentric vent/air intake terminal

OS = Outdoor sensor (optional)

RC = Remote command (only for

45WE model)

RT = Room thermostat

120 Vac = Electrical supply

Figure 16 - Typical piping and wiring connections for a boiler models 45WN and 45WE

5 - INSTALLATION - Mounting & gas and water connections