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111115-01D
11
11
For more information, visit www.desatech.com
For more information, visit www.desatech.com
CONNECTING TO GAS SUPPLY
WARNING: A qualified service person must con-
nect heater to gas supply. Follow all local codes.
WARNING: Never connect propane/LP heater di-
rectly to the propane/LP supply. This heater requires an
external regulator (not supplied). Install the external
regulator between the heater and propane/LP supply.
WARNING: Never connect natural gas heater to
private (non-utility) gas wells. This gas is commonly
known as wellhead gas.
Figure 15 - Connecting Wires
Control
Valve
White
Wire From
Receiver
Red Wire From
Receiver
Figure 14 - Installing Remote Receiver
Installing Batteries for Remote Receiver and
Hand-Held Remote Control
Two 9-volt alkaline batteries (not included) are required to operate
this heater with the wireless hand-held remote control set. One
battery must be installed in the receiver and one in the hand-held
remote control unit.
Note:
Only use alkaline batteries.
Installing 9-Volt Battery in Receiver
1. Locate back of receiver behind receiver bracket mounted on
base assembly.
2. Locate the battery clip mounted on the back of the receiver
(see Figure 14).
3. Slide a 9-volt battery through the clip.
4. Attach the terminal wires to the battery.
INSTALLATION
Continued
Installing 9-Volt Battery (Not Included) in Hand-Held
Remote Control Unit
1. Remove battery cover on back of remote control unit.
2. Attach terminal wires to battery. Place battery into battery housing.
3. Replace battery cover onto remote control unit.
Figure 16 - Installing Battery in
Hand-Held Remote Control
Unit (Model GHRCB)
Battery
Cover
9-Volt
Battery
Terminal
Wires
Remote
Control
Unit
Figure 17 - Installing Battery in
Hand-Held Remote Control
Unit (Model GHRCTB)
Battery Cover
9-Volt
Battery
Terminal
Wires
Installation Items Needed
Before installing heater, make sure you have the items listed below.
• external regulator (for propane/LP units only, supplied by in-
staller)
• piping (check local codes)
• sealant (resistant to propane/LP gas)
• equipment shutoff valve *
• test gauge connection *
• sediment trap
• tee joint
• pipe wrench
* A CSA design-certified equipment shutoff valve with 1/8" NPT
tap is an acceptable alternative to test gauge connection. Purchase
the optional CSA design-certified equipment shutoff valve from
your dealer. See Accessories, page 27.
For propane/LP units, the installer must supply an external regula-
tor. The external regulator will reduce incoming gas pressure. You
must reduce incoming gas pressure to between 11 and 14 inches of
water. If you do not reduce incoming gas pressure, heater regulator
damage could occur. Install external regulator with the vent point-
ing down as shown in Figure 18, page 12. Pointing the vent down
protects it from freezing rain or sleet.
CAUTION: Use only new, black iron or steel pipe.
Internally-tinned copper tubing may be used in certain
areas. Check your local codes. Use pipe of 1/2" diam-
eter or greater to allow proper gas volume to heater. If
pipe is too small, undue loss of volume will occur.
INSTALLATION
Installing Optional Remote Control Accessories
Connecting To Gas Supply
Remote
Receiver
Push Button
Clips
Bracket
Battery Clip
9-Volt Battery
Terminal Wires
Pad