29
QVM 9
Series
Confirm type of fuel gas supplied.
(Natural or LP. Gas)
Check for gas leaks (Use soapy water on
the piping and connections to check for any
gas leakage).
Ensure that the electric power source is AC
115V/60Hz.
Fill the siphon reservoir in the water heater
with water. If no water is available, do not
operate the water heater(refer to page 21).
Turn #1 DIP switch to “ON” position (Trial
Operation mode).
Install the room thermostat, FR-5. Power
lamp will flash 1 second – ON, 1 second –
OFF during trial operation.
Open the manual water inlet valve connected
to the water heater.
Connect main power.
The circulation pump in the water heater will
be operating and the heating piping will be
filled with water by means of the automatic
water filling system.
Test Operation and Checks
Trial O
eratio
STEP 1
STEP 2
STEP 3
STEP 4
STEP 5
STEP 6
STEP 7
STEP 8
STEP 9
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