11
WARNING
Measuring inlet gas pressure and testing gas leakage are
WARNING
-
piping system at test pressures above 3 kPa.
MEASURING INLET GAS PRESSURE AND TESTING GAS LEAKAGE
The appliance and its gas connections must be tested for leak and the inlet gas pressure must
be measured before placing the unit in operation for properly performing and safety.
1.
2. Open a faucet. The unit should turn on and the gas in the gas pipe line should purge. Leave the
3. Remove the screw for the pressure port located on the gas inlet of the water heater shown in
the diagram below.
4. Connect the manometer to the pressure port.
5. Re-open the manual gas valve. Check to see that there are no gas leaks with a gas leak detec-
tor.
6.
7. Check the inlet gas pressure. When the water heater is on a maximum burn, the inlet gas pres-
sure must be within the appropriate range. (Please refer to p. 3.)
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