14

INSTALLATION

Connecting to Gas Supply (Cont.) Checking Gas Connections

INSTALLATION

Continued

 

CSA Design-Certified Equipment

PROPANE/LP

Shutoff Valve With 1/8" NPT Tap*

From External

 

Regulator

 

(11" W.C.**

Approved Flexible

to 14" W.C.

Gas Hose (if allowed

Pressure)

by local codes)

 

NATURAL

 

From Gas

3" Minimum

Meter

(5" W.C.**

 

to 10.5" W.C.

 

Pressure)

Gas Regulator

 

Tee Cap Pipe

Joint Nipple

Sediment Trap

Figure 17 - Gas Connection (Variable Manually-Controlled and Thermostat-Controlled Models Only)

CSA Design-Certified Equipment

 

Shutoff Valve With 1/8" NPT Tap*

PROPANE/LP -

 

From External

 

Regulator

Approved Flexible

(11" W.C.**

Gas Hose (if allowed

to 14" W.C.

by local codes)

Pressure)

 

NATURAL -

3" Minimum

From Gas

Meter

 

(5" W.C.**

 

to 10.5" W.C.

 

Pressure)

Gas Control

Pipe Cap

Tee

Nipple

Joint

 

 

 

 

 

 

 

 

 

 

 

 

 

Sediment Trap

Figure 18 - Gas Connection (Remote-Ready Models Only)

*Purchase the optional CSA design-certified equipment shutoff valve from your dealer. See Accessories, page 31.

**Minimum inlet pressure for purpose of input adjustment.

CHECKING GAS CONNECTIONS

WARNING: Test all gas piping and connections 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 detection fluid to all joints. Bubbles forming show a leak. Correct all leaks at once.

CAUTION: Make sure external regulator has been installed between propane/LP supply and heater. See guidelines under Connecting to Gas Supply, page 13.

Pressure Testing gas Supply Piping system

Test Pressures In Excess Of 1/2 PSIG (3.5 kPa)

1.Disconnect appliance with its appliance main gas valve (control valve) and equipment shutoff valve from gas supply piping sys- tem. Pressures in excess of 1/2 psig will damage heater regulator.

2.Cap off open end of gas pipe where equipment shutoff valve was connected.

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 fittings for leaks.

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

1.Close equipment shutoff valve (see Figure 19, page 15).

2.Pressurize supply piping system by either opening propane/LP sup- ply tank valve for propane/LP gas or opening main gas valve lo- cated 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 Figures 20 and 21, page 15). Apply non- corrosive leak detection fluid to all joints. Bubbles forming show a leak.

4.Correct all leaks at once.

For..com

110399-01A

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Desa FLAME-MAX Golden, FLAME-MAX Vintage Checking GAS Connections, Pressure Testing gas Supply Piping system

FLAME-MAX Vintage, FLAME-MAX Golden specifications

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