Desa MVO24VNA Continued, Placement Of Loose Embers, Pressure Testing Appliance Gas Connections

Models: MVO24VPA MVO18VNA MVO18VPA MVO24VNA

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Pressure Testing Appliance Gas Connections

INSTALLATION

Continued

3.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.

4.Check all joints of gas supply piping system. Apply noncorrosive leak detection fluid to all joints. Bubbles forming show a leak.

5.Correct all leaks at once.

6.Reconnect heater and equipment shutoff valve to gas supply. Check reconnected fit- tings for leaks.

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

1.Close equipment shutoff valve (see Figure 8).

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 supply to equipment shutoff valve for propane/ LP (see Figure 9 or 10). Apply noncorrosive leak detection fluid to all joints. Bubbles form- ing show a leak.

4.Correct all leaks at once.

Equipment

Shutoff Valve

Gas Meter

Control Valve

Location

Figure 10 - Checking Gas Joints (Natural Gas Only)

Pressure Testing Appliance Gas Connections

1.Open equipment shutoff valve (see Figure 8.)

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 appliance is in the OFF position.

4.Check all joints from equipment shutoff valve to gas control (see Figure 9 or 10). Apply noncorrosive leak detection fluid to all joints. Bubbles forming show a leak.

5.Correct all leaks at once.

6.Light appliance (see Operating Appliance, page 10) Check all other internal joints for leaks.

7.Turn off appliance.

Equipment

Open

Shutoff

 

Valve

 

PLACEMENT OF LOOSE EMBERSClosed

PLACEMENT OF LOOSE EMBERS

Manual background CAUTION: Do not place any loose embers around pilot assembly.

Figure 8 - Equipment Shutoff Valve

Two bags of loose embers are provided with this

 

 

Propane/LP

 

unit. For this installation use the embers that are

Equipment

approximately 1" square in size. If needed, larger

Supply Tank

Shutoff Valve

embers can be broken to size. These embers aid

 

 

 

in concealing the burner pan, directing flames

 

 

through the ember bed, quiet operation of the

 

 

unit and gives a natural random flame pattern (see

 

 

Figure 11, page 10).

 

 

Place embers as follows:

 

 

1.

Place embers around the center ember bed or

 

Control Valve

 

ember pod.

 

2.

Place individual embers on their edge (not flat)

 

Location

 

 

along the top of the burner pan. This aids in

 

 

 

Figure 9 - Checking Gas Joints

 

directing flames from the burner through the

(Propane/LP Gas Only)

 

ember bed.

 

 

 

 

 

Note: Too many embers or embers placed flat

 

 

 

along burner pan can suppress the flames.

114924-01B

www.desatech.com

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Desa MVO24VNA, MVO18VPA, MVO24VPA, MVO18VNA Continued, Placement Of Loose Embers, Pressure Testing Appliance Gas Connections