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INSTALLATION AND OPERATING INSTRUCTIONS
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. INSTALL CONTROL WIRING
1. Install all line voltage wiring in approved electrical
conduit.
2. Do not install single pole switches, including safety
controls, in the neutral leg.
C. WIRING DIAGRAM INDEX
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
BTU Input
88.5
118.5
147.5
177
206.5
236
287.5
Standing Pilot,
Natural Gas
Fig. 7.2
Standing Pilot,
LP Gas
Fig. 7.2
Spark Ignition,
Natural Gas
Fig 7.3
Spark Ignition,
LP Gas
Fig. 7.3
Table 7.1: Wiring Diagram Index - Steam Boilers
w/Probe LWCO
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