Residential Gas Hydronic Heating System
Residential Gas Hydronic Heating System
Residential Gas Hydronic Heating System
Residential Gas Hydronic Heating System
QVM 9
Series
30
30
30
30
Test Operation and Checks
Test Operation and Checks
Test Operation and Checks
Test Operation and Checks
■
If the power supply to the boiler is shut off after the test
operation, completely drain water from the system
(heating & hot water) to prevent possible freeze up.
CAUTION
CAUTION
CAUTION
CAUTION
■
Is the flame pattern normal?
■
Is heating temperature set on the thermostat?
■
Is hot water provided from the boiler?
Checking Operation of the unit
Checking Operation of the unit
Checking Operation of the unit
Checking Operation of the unit
Check for leaks in all connections to
the unit.
STEP 14
STEP 14
STEP 14
STEP 14
STEP 10
STEP 10
STEP 10
STEP 10
Purge heating piping of air.
- Open the manual air vent in
order to bleed air from the unit.
- Shut off the manual air vent
when the pressure in the heating
piping reaches the operating
pressure.
- The automatic air vent will
automatically remove remaining
air in the heating piping.
STEP 11
STEP 11
STEP 11
STEP 11
Turn #1 DIP switch to
“
OFF
”
position (Normal Operation
mode).
STEP 12
STEP 12
STEP 12
STEP 12
Turn off unit. Use P/R valve to
vent pressure inside the unit.
Remove & clean strainer.
Replace & start unit.
STEP 13
STEP 13
STEP 13
STEP 13
The unit will operate in
accordance
with the room thermostat
settings.
■
Turn the boiler to
“
HEAT ON
”
at the room
thermostat.
■
If the CHECK lamp is illuminated, note the
error code and follow the troubleshooting
guide. After the required adjustments have
been made, restart the unit. Disconnecting
and reconnecting the power may be required
to restart the boiler (at power button
“
HEAT
ON
”
).
■
In case of leaks water pipes, turn off power to
unit. Shut off all isolation valves. Inspect O-ring
connections and replace if necessary. Check all
fastening clips are securely in place before
opening the isolation valves.