Residential Gas Hydronic Heating System
QVM 9
Series
34
34
34
34
Dimensional Drawing of the Unit
Dimensional Drawing of the Unit
Dimensional Drawing of the Unit
Dimensional Drawing of the Unit
■
Safety Valve :
Safety Valve :
Safety Valve :
Safety Valve : When excessive pressure occurs, the valve opens to reduce pressure by draining
water. When leaving home for a long time, water in the boiler should be drained to
prevent freezing of the boiler.
■
Strainer :
Strainer :
Strainer :
Strainer : Increases heating performance by filtering impurities from the system. When
heating performance is decreased, clean the filter by removing clip, washing out
and re-inserting the filter. Replace the clip!
THE WATER FLOWING OUT OF THE PRESSURE / RELIEF VALVE DURING IT
’
S
OPERATION MAY BE EXTREMELY HOT. BEFORE OPERATING RELIEF VALVE,
MAKE SURE DRAIN LINE IS INSTALLED TO DIRECT DISCHARGE TO A SAFE
LOCATION SUCH AS AN OPEN DRAIN. AVOID SCALDING AND/OR WATER
DAMAGE.
Gas Inlet
Condensed Water
Discharge
Heating
Supply
Heating
Return
Hot Water
Supply
Tap Water
Inlet
Pressure Relief
Valve
Heating
Return
Heating
Supply
Tap Water
Inlet
Hot Water
Supply
Gas Inlet
FRONT
RIGHT
FLUE EXHAUST
COMBUSTION AIR INTAKE
(unit : inch)
※
Dimensions in
“
( )
”
apply 150W1-NG models.