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20306747
DVM Series Direct Vent Gas Fireplace
FIREPLACE INSTALLATION
CHECK GAS TYPE
Use proper gas type for the fireplace you are installing.
If you have conflicting gas type, do not install fireplace.
See dealer where you purchased the fireplace for proper
fireplace according to your gas type.
GAS PIPE INSTALLATION
When using copper or flex connectors use only fittings
approved for gas connections. The gas control inlet is
3/8" NPT.
CAUTION
For propane/LP units, never connect fireplace
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 fireplace and burner system, make sure
you have the items listed below.
•
Tee joint
•
Pipe wrench
•
Equipment shutoff valve*
•
Test gauge connection*
•
External regulator (supplied by installer)
•
Piping (check local codes)
•
Sealant (resistant to propane/LP gas)
•
Sediment trap (recommended)
•
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 equip
-
ment 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 regula-
tor damage could occur. Install external regulator with the
vent pointing down as shown in
Figure 45.
Pointing the
vent down protects it from freezing rain or sleet.
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.
FP1977
external regulator
External
Regulator
100 gal. (min)
Propane/LP
Supply Tank
Vent Pointing
Down
Figure 45 -
External Regulator with Vent Pointing Down
(Propane/LP Only)
FP1977
A qualified installer or service person must connect
appliance to gas supply. Follow all local codes.
WARNING
External regulators may be necessary for natural gas.
One- or two-pound systems will damage this appliance
and may cause fire hazard.
WARNING
