Specifications

September 2012 Page
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ELECTRICAL INSTALLATION MUST COMPLY WITH
• National Electrical Code and any other national, state, provincial or local codes or regulations.
• In Canada, CSA C22.1 Canadian Electrical Code Part 1, and any local codes.
Appliance must be electrically grounded as required by National Electrical Code ANSI/NFPA 70–latest edition.
Ensure ground wiring is installed per wiring diagram. Good grounding is extremely important for
proper operation.
OUTDOOR MODELS require power to be brought into the junction box on the rear of the unit and to the water
pump (not supplied). The low side of the Aquastat may be used to signal a safety heat relief zone.
INDOOR MODELS:
1) The following components are not included and must be provided by the installer:
• 4 x 4 junction box
• (2) SPST switches
2) Attach 4 x 4 junction box to the boiler.
3) Route power (115 V, 60 Hz, 15 Amp) to the junction box.
4) Connect the MASTER switch:
• Connect power “Hot (Black) to one side
• Wire nut a lead from the other side to both the FAN switch and to the pump
5) Route power from the other side of the FAN switch to the aquastat, attach to “R.
6) Route power from the aquastat (“B”) to the blower:
• Connect Black wire to Black wire on blower
• Connect White wire to one White wire on blower
• Connect Green wire to Green screw in blower junction box
7) Connect white common wires from the blower and pump to the White wire from the power supply.
The pump will operate when the MASTER switch is in the ON position. Operating the
pump without water in the system will damage the pump.
8) Route power to the pump.
9) Connect pump using conduit with Black, White, and Green wire.
• Open pump junction box cover
• Remove one knockout and fasten conduit to pump junction box
• Connect Black wire to one White wire on pump
• Connect White wire to one White wire on pump
• Connect Green wire to pump grounding screw in pump junction box
ELECTRICAL
NOTICE