INSTALLATION

Continued

Test Pressures Equal To or Less Than 1/2 PSIG (3.5 kPa)

1.

Close equipment shutoff valve (see Figure 21).

2.

Pressurize supply piping system by either

 

opening propane/LP supply tank valve for

 

propane/LP gas or opening main gas valve

 

located on or near gas meter for natural gas

 

or using compressed air.

3.

Check all joints from gas meter to equipment

 

shutoff valve for natural gas or propane/LP sup-

 

ply to equipment shutoff valve for propane/LP

 

(see Figures 22 and 23). Apply noncorrosive

Equipment

Shutoff

Valve

Gas Meter

Gas Control Valve

Figure 22 - Checking Gas Joints for

Natural Gas

leak detection fluid to all joints. Bubbles form-

ing show a leak.

4. Correct all leaks at once.

PRESSURE TESTING HEATER GAS CONNECTIONS

1.

Open equipment shutoff valve (see Figure 21).

2.

Open main gas valve located on or near gas

 

meter for natural gas or open propane/LP

 

supply tank valve.

3.

Make sure control knob of fireplace is in the

 

OFF position.

4.

Check all joints from equipment shutoff valve

Equipment

Gas Control Valve

Shutoff Valve

Propane/LP Supply Tank

 

to gas control valve (see Figures 22 or 23).

 

Apply noncorrosive leak detection fluid to all

 

joints. Bubbles forming show a leak.

5.

Correct all leaks at once.

6.

Light fireplace (see Operating Fireplace, page

 

19. Check all other internal joints for leaks.

7.

Turn off fireplace (see To Turn Off Gas to

 

Appliance, page 20).

Equipment

Open

Shutoff Valve

 

 

Closed

Figure 21 - Equipment Shutoff Valve

Figure 23 - Checking Gas Joints for

Propane/LP Gas

INSTALLING LOGS (MODELS EFS33NR, EFS33PR, VSGF33NR AND VSGF33PR)

WARNING: Failure to posi- tion the parts in accordance with these diagrams or failure to use only parts specifically approved with this heater may result in property damage or personal injury.

CAUTION: Do not remove the metal data plates attached to the heater base assembly. The data plates contain important safety and warranty information.

It is very important to install these logs exactly as instructed. Do not modify logs. Only use logs supplied with heater.

16

www.desatech.com

107172-01K

Page 16
Image 16
Desa EFS33NRA, VSGF33NRA Test Pressures Equal To or Less Than 1/2 Psig 3.5 kPa, Pressurize supply piping system by either