Weil-McLain PLUS-E017-A/1206 manual Circulators, Zone Valves, Boiler Models

Manual • Installation • Start-Up • Usage • Maintenance • Parts

D Boiler-side wiring & controls (except Gas)  continued

Electrical shock hazard.

Can cause severe personal injury, death or substantial property damage.

Disconnect power before installing and/or servicing.

Wiring requirements 1. All wiring must be a minimum of 18 gauge and installed in accordance with:

•U.S.A. — National Electrical Code and any other national, state or local code requirements having jurisdiction.

•Canada — CSA C22.1 Canadian Electrical Code Part 1 and any other national, provincial and local code requirements having jurisdiction.

2.If original wire as supplied with appliance must be replaced, Type 90° C or its equivalent must be used.

3.Refer to control component instructions packed with boiler for application information.

4.An optional service switch may be installed in water heater electrical circuit. This switch would only shut off the water heater, not the home heating system. Do not shut off water heater if there is a chance of freezing.

5.All electrical contacts are shown with no power applied - off shelf condition.

Circulators

6. Size priority relay for total amp draw of all circulators.

Zone Valves

7.Size transformer for maximum load of all zone valves.

8.Priority valve (Figures 40–41, pages 58–59) is closed when heating domestic water.

Domestic priority is recommended for the boilers listed in Table 5, below, when used with GOLD Plus 30 water heaters:

Table 5

These boiler models should use domestic priority when used with heater GOLD Plus 30

Boiler Models

CGa	25/3/4/5/6/7/8
GV, CGi, CG, CGs, CGx	3/4/5/6
EG	35/40/45/50
68, GO	2/3/4

Part Number PLUS-E017-A/1206 47