Installation, Operation & Maintenance Manual

20
ELECTRICAL
A. CONNECT SUPPLY WIRING
1. All electrical wiring must be done in accordance with
local codes. In the absence of local codes use
ANSI/NFPA 70 “The National Electrical Code.”
2. The boiler must be electrically bonded to ground in
accordance with the requirements of the authority
having jurisdiction or, in the absence of such
requirements, with the National Electrical Code,
ANSI/NFPA 70 and/or the Canadian Electrical Code
Part 1, CSA C22.1, Electrical Code.
3. The boiler is to be connected to a separate,
permanently live electrical supply line with a fused
disconnect switch.
B. MOUNT REMAINING CONTROLS
1. Mount the control transformer on the junction box as
shown in Figure 7.1.
2. Mount the blocked vent switch in the rear of the
boiler on the draft hood as shown in Figure 7.2.
3. Mount the flame rollout switch as shown in Figure 7.3.
7. ELECTRICAL
Label all wires prior to disconnection when servicing
controls. Wiring errors can cause improper and
dangerous operation. Verify proper operation after
servicing.
CAUTION
Figure 7.1
Figure 7.2
Figure 7.3