Checking Gas Connections - Desa CHAM55N Safety Information And Installation Manual

Top
Openings
At Valve
Level
2 Openings
Top and
Bottom on
Each Side
Minimum
0.5 inch
(3.23 cm
of Free Air
Space For
Each Pound
of Fuel But No
Less Than
10 inches
(65 cm ) Total
2

CHECKING GAS CONNECTIONS

PRESSURE TESTING GAS SUPPLY
PIPING SYSTEM
Test Pressures In Excess Of 1/2 PSIG
(3.5 kPa)
1. Disconnect appliance with its manual control
valve and equipment shutoff valve from gas sup-
ply piping system. Pressures in excess of 1/2 psig
(3.5 kPa) 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.
1
INSTALLATION
2
)
2
2
Figure 13 - Propane/LP Tank Enclosure
www.desatech.com
Continued
Minimum 1/8"
(0.3 cm)
Permissible
Openings
4. Check all joints of gas supply piping system,
for natural gas see Figure 15, page 13 or for
propane/LP gas, see Figure 16, page 13. Ap-
ply commercial leak detection solution to gas
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.
Figure 14 - Manual Control Valve
Minimum of 5" (12.7 cm)
From Floor To Top Of
Bottom Opening
Minimum of
2" (5 cm)
From Floor
Bottom To
Ground Level
901918-01J