Desa VDCFRNA - Manual (Page 17)

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INSTALLATION
Continued
We recommend that you install a sediment trap in
supply line as shown in Figure 20, page 16. Locate
sediment trap where it is within reach for cleaning.
Install in piping system between fuel supply and
heater. Locate sediment trap where trapped mat-
ter is not likely to freeze. A sediment trap traps
moisture and contaminants. This keeps them from
going into fireplace controls. If sediment trap is
not installed or is installed wrong, fireplace may
not run properly.
CONNECTING EQUIPMENT
SHUTOFF VALVE TO HEATER
CONTROL
Installation Items Needed
• Phillips screwdriver
• sealant (resistant to propane/LP gas, not
provided)
1. Open lower louver (see Figure 21).
NOTICE: Most building codes
do not permit concealed gas
connections. A flexible gas line
is provided to allow accessibility
from the fireplace (see Figure 21).
The flexible gas supply line con-
nection to the equipment shutoff
valve should be accessible.
2. Route flexible gas line, included, from fire-
place control to equipment shutoff valve
through side access holes in outer casing.
3. Apply pipe joint sealant lightly to male threads
of gas connector attached to flexible gas line/
equipment shutoff valve (see Figure 22).
CAUTION: Avoid damage to
regulator. Hold gas regulator with
wrench when connecting it to gas
piping and/or fittings (Thermo-
stat-Controlled Models Only).
CAUTION: Avoid damage to
gas control. Hold gas control
with wrench when connecting
it to gas piping and/or fittings
(Remote-Ready Models Only).
Figure 21 - Flexible Gas Line Location
(Remote-Ready Unit Shown)
O F
F P ILO T O N
H I L O Lower
Louver
Flexible Gas
Line
Figure 22 - Attaching Flexible Gas Line
to Equipment Shutoff Valve
Flexible Gas Line
from Fireplace
Gas Regulator
Provided With
Fireplace
To Gas Regulator (Thermostat-
Controlled Models) or Control
Valve (Remote-Ready Models)
Equipment
Shutoff
Valve
PROPANE/LP
To External Regulator
NATURAL GAS
To Gas Supply
CHECKING GAS CONNECTIONS
WARNING: Test all gas piping
and connections, internal and
external to unit, for leaks after
installing or servicing. Correct
all leaks at once.
WARNING: Never use an
open flame to check for a leak.
Apply a noncorrosive leak detec-
tion fluid to all joints. Bubbles
forming show a leak. Correct all
leaks at once.
4. Check all gas connections for leaks. See
Checking Gas Connections, below. Feed
flexible gas line into fireplace. Make sure the
entire flexible gas line is in fireplace.