Checking Gas Connections - Procom EDP200T-O User Manual

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CHECKING GAS CONNECTIONS

WARNING:
Test all gas piping and connections for leaks after installing or servicing. Correct all leaks immediately.
Pressure Testing Gas Supply Piping System
Test Pressures In Excess Of ½ PSIG (3.5kPa)
1.
Disconnect heater with its appliance main gas valve (control valve) and equipment shutoff valve from gas
supply piping system. 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 using compressed air or opening gas supply tank valve.
4.
Check all joints of gas supply piping system. Apply mixture of liquid soap and water to gas joints. Bubbles
forming show a leak.
5.
Correct all leaks immediately.
6.
Reconnect heater and equipment shutoff valve to gas supply. Check reconnected fittings for leaks.
WARNING:
Never use an open flame to check for a leak. Apply a mixture of liquid soap and water to all joints.
Bubbles forming show a leak. Correct all leaks immediately.
Pressure Testing Heater Gas Connections
1.
Open equipment shutoff valve (see Figure 11).
2.
Open gas supply tank valve.
3.
Make sure control knob of heater is in the OFF position.
4.
Check all joints from equipment shutoff valve to control valve (Figure 11). Apply mixture of liquid soap and
water to gas joints. Bubbles forming show a leak.
5.
Correct all leaks immediately.
6.
Light heater (see Operating Heater, page 15).Check all other internal joints for leaks.
7.
Turn off heater (see Operation of Turn-Off , page 16).
CAUTION:
Make sure external regulator has been
installed between gas supply and heater. See guidelines
under Connecting to Gas Supply (page 10).
Test Pressures Equal To or Less Than 1/2 PSIG (3.5kPa)
1.
Close equipment shutoff valve (see Figure 11).
2.
Pressurize supply piping system by either using
compressed air or opening gas supply tank valve.
3.
Check all joints from gas meter to equipment shutoff
valve (see Figure 12). Apply mixture of liquid soap
and water to gas joints. Bubbles forming show a leak.
4.
Correct all leaks immediately.
www.PartsFor.com 1-800-446-1446
Figure 11-Equipment Shutoff Valve
13
For replacement parts contact:
Figure 12 Checking Gas Joins
1-866-607-2787

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