INSTALLATION
Continued
Masonry
Screw
Mounting
Bracket
Figure 12 - Attaching Base Assembly to Fireplace Floor - Dual Burner Model
CONNECTING TO GAS SUPPLY
WARNING: This appliance requires a 1/2" NPT (National Pipe Thread) inlet connection to the pressure regulator.
WARNING: A qualified ser- vice person must connect heater to gas supply. Follow all local codes.
CAUTION: Never connect heater directly to the propane/LP supply. This heater requires an external regulator (not supplied). Install the external regulator be- tweenthe heater andpropane/LP supply.
WARNING: Never connect natural gas fireplace to private
Installation Items Needed
Before installing heater, make sure you have the items listed below.
•external regulator (supplied by installer)
•piping (check local codes)
•sealant (resistant to propane/LP gas)
•equipment shutoff valve *
•test gauge connection *
•sediment trap
•tee joint
•pipe wrench
*A CSA
For propane/LP units, 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 14" of water. If you do not reduce incoming gas pres- sure, heater regulator damage could occur. Install external regulator with the vent pointing down as shown in Figure 13. Pointing the vent down protects it from freezing rain or sleet.
CAUTION: Use only new, black iron or steel pipe. Inter-
Propane/LP | External | |
Supply Tank | ||
Regulator | ||
|
Vent
Pointing
Down
Figure 13 - External Regulator With Vent
Pointing Down
www.desatech.com | 13 |