Electrical Connections - Rinnai Q85SN Installation & Servicing Instructions Manual

8 Electrical connections
CAUTION
CAUTION
CAUTION
! CAUTION
The electrical connections to the boiler must be made in accordance with all applicable
local codes and the latest revision of the National Electrical Code, ANSI/NFPA-70.
Installations should also conform with CSA C22.1 Canadian Electrical Code Part 1
if installed in Canada.
Devices such as, outdoor sensor, room thermostat or temperature control, 3-way
valve (except Q175CN/Q175CP), temperature sensor or thermostat and an external
pump are all connected to the internal connection terminal. The connection terminal
is situated in the Control Tower.
Connecting incoming power
Lead the cable through the back part of the boiler using a strain relief and lead the
cable through the cable supports to the Control Tower.
Connect a power supply cable to the cable harness terminal strip that connects to
both the power switch on the front of the Control Tower and the terminal strip with
positions 1,2, and 3 on the inside of the Cotnrol Tower.
The boiler must be electrically grounded in accordance with local codes, or in
absence of local codes, with the National Electrical Code, ANSI/INFPA 70 and/
or the CSA C22.1, Electrical Code.
RISK OF ELECTRIC SHOCK.
Once the main power supply is on then there is 120V on terminals 1 to 12 if the main
switch at the front of the Control Tower is switched on.
- No changes may be made to the wiring of the boiler.
- All connections should be designed in accordance with the applicable
regulations.
- Label all wires prior to disconnection when servicing controls. Wiring errors
can cause improper and dangerous operation.
- Verify proper operation after operation servicing.
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