•Installation •
Figure 18 Field wiring connections — service switch and thermostat (or end switch) provided by installer
Field wiring
Factory wiring
120 VAC |
|
|
Hot | Neutral | Ground |
Thermostat
or end switch
(not provided)
Service switch
(not provided)
|
| Ground screw |
| Wire nuts |
Black | White | Green | Black | Black |
|
| T h e r mo s t a t |
Junction box, |
| leads, through |
boiler left side |
| jacket left side |
|
| 85028 |
|
|
Service switch
(not provided)
Thermostat or end switch
(not provided)
For your safety, turn off electrical power supply at |
| Wiring must be N.E.C. Class 1. |
service entrance panel before making any
electrical connections to avoid possible electric shock hazard. Failure to do so can cause severe personal injury or death.
Watch polarity of the circuit when connecting the 120 VAC power wiring. If the polarity is switched, the boiler control module will lockout. The control module will flash the POWER light to indicate this problem. See Troubleshooting, manual Section XI.
If original wiring as supplied with boiler must be replaced, use only type
105°C wire or equivalent.
Boiler must be electrically grounded as required by National Electrical Code ANSI/NFPA
Part number | 41 |
