Monessen Hearth SS38 - Manual (Page 20)

46D0232 20
SS38 Direct Vent Gas Stove
FP1977
external regulator
CHECK GAS TYPE
Use proper gas type for the stove you are installing. If you have conflicting gas type, do not install
stove. See dealer where you purchased the stove for proper stove for your gas type or conversion
kit.
INSTALL GAS PIPING TO STOVE / BURNER SYSTEM LOCATION
External
Regulator
100 lb. (min)
Propane/LP
Supply Tank
Vent Pointing
Down
STOVE INSTALLATION
W
ARNING
A qualified installer or service person must
connect appliance to gas supply. Follow all
local codes.
CAUTION
For propane/LP units, never connect stove
directly to the propane/LP supply. This
burner system requires an external regulator
(not supplied). Install the external regulator
between the burner system and propane/LP
supply.
INSTALLATION ITEMS NEEDED
Before installing stove and burner system, make sure you have the items listed below.
• External regulator • Piping (check local codes) • Sealant (resistant to propane/LP gas)
(supplied by installer) • Test gauge connection* • Sediment trap (recommended)
• Equipment shutoff valve* • Tee joint • Pipe wrench
• approved flexible gas line with gas connector (if allowed by local codes — not provided)
* A CSA design-certified equipment shutoff valve with 1/8" NPT tap is an acceptable alternative to test gauge
connection. Purchase the CSA design-certified equipment shutoff valve from your dealer.
For propane/LP connections only, the installer must supply an external regulator. The external regulator will reduce
incoming gas pressure. You must reduce incoming gas pressure to between 11 and 13 inches of water. If you do not
reduce incoming gas pressure, burner system regulator damage could occur. Install external regulator with the vent
pointing down as shown in Figure 27. Pointing the vent down protects it from freezing rain or sleet.
FP1977
Figure 27 -
External Regulator with Vent Pointing Down
(Propane/LP Only)
CAUTION
Use only new black iron or steel pipe.
Internally tinned copper or copper tubing
can be used per National Fuel Code, Section
2.6.3, providing gas meets hydrogen sulfide
limits, and where permitted by local codes.
Gas piping system must be sized to provide
minimum inlet pressure (listed on data
plate) at the maximum flow rate (BTU/hr).
Undue pressure loss will occur if the pipe
is too small.
When using copper of flex connectors use only fittings
approved for gas connections. The gas control inlet is
3/8" NPT.