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Goodman AM9S80 - CHECKING GAS PRESSURE

Goodman AM9S80
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SERVICING
36
ī˜±ī˜²ī˜·ī˜Øī˜ Use adapter kit #0151K00000S to measure gas
pressure on White-Rodgers 36J22 gas valves.
.
ī˜°ī™ˆī™„ī™–ī™˜ī™•ī™Œī™‘ī™Šī˜ƒī˜¬ī™‘ī™ī™ˆī™—ī˜ƒī˜Ŗī™„ī™–ī˜ƒī˜³ī™•ī™ˆī™–ī™–ī™˜ī™•ī™ˆ
ī˜‹ī˜¤ī™ī™—ī™ˆī™•ī™‘ī™„ī™—ī™ˆī˜ƒī˜°ī™ˆī™—ī™‹ī™’ī™‡ī˜Œ
3. Turn ON the gas and electrical power supply and op-
erate the furnace and all other gas consuming appli-
ances on the same gas supply line.
4. Measure furnace gas supply pressure with burners
īšæī™•ī™Œī™‘ī™Šī˜‘ī˜ƒī˜¶ī™˜ī™“ī™“ī™ī™œī˜ƒī™“ī™•ī™ˆī™–ī™–ī™˜ī™•ī™ˆī˜ƒī™ī™˜ī™–ī™—ī˜ƒī™…ī™ˆī˜ƒī™šī™Œī™—ī™‹ī™Œī™‘ī˜ƒī™—ī™‹ī™ˆī˜ƒī™•ī™„ī™‘ī™Šī™ˆī˜ƒī™–ī™“ī™ˆī™†-
ī™Œīšæī™ˆī™‡ī˜ƒī™Œī™‘ī˜ƒī™—ī™‹ī™ˆī˜ƒī™‰ī™’ī™ī™ī™’ī™šī™Œī™‘ī™Šī˜ƒī™—ī™„ī™…ī™ī™ˆī˜‘ī˜ƒ
Natural Gas Minimum: 4.5" w.c. ī˜°ī™„ī™›ī™Œī™ī™˜ī™ī˜ī˜ƒī˜”ī˜“ī˜‘ī˜“ī˜…ī˜ƒī™šī˜‘ī™†ī˜‘
Propane Gas Minimum: 11.0" w.c. ī˜°ī™„ī™›ī™Œī™ī™˜ī™ī˜ī˜ƒī˜”ī˜–ī˜‘ī˜“ī˜…ī˜ƒī™šī˜‘ī™†ī˜‘

ī˜¬ī™‰ī˜ƒī™–ī™˜ī™“ī™“ī™ī™œī˜ƒī™“ī™•ī™ˆī™–ī™–ī™˜ī™•ī™ˆī˜ƒī™‡ī™Œó°€Øī™ˆī™•ī™–ī˜ƒī™‰ī™•ī™’ī™ī˜ƒī™„ī™…ī™’ī™™ī™ˆī˜ī˜ƒī™ī™„ī™Žī™ˆī˜ƒī™‘ī™ˆī™†ī™ˆī™–ī™–ī™„ī™•ī™œī˜ƒī™„ī™‡-
justments to pressure regulator, gas piping size, etc., and/or
consult with local gas utility.


ī˜§ļŽ‘ļŽ›ļŽ‹ļŽ—ļŽ–ļŽ–ļŽļŽ‹ļŽœī˜ƒī˜¤ī˜Æī˜Æī˜ƒļŽļŽ”ļŽļŽ‹ļŽœļŽšļŽ‘ļŽ‹ļŽ‰ļŽ”ī˜ƒļŽ˜ļŽ—ļŽŸļŽļŽšī˜ƒļŽ‰ļŽ–ļŽŒī˜ƒļŽ›ļŽļŽļŽœī˜ƒļŽ—ļŽŽļŽŽī˜ƒ
ļŽļŽ‰ļŽ›ī˜ƒļŽ›ļŽļŽ˜ļŽ˜ļŽ”ļŽ”ī˜ƒļŽŠļŽļŽŽļŽ—ļŽšļŽī˜ƒļŽ›ļŽļŽšļŽžļŽ‘ļŽ‹ļŽ‘ļŽ–ļŽī˜ƒļŽ—ļŽšī˜ƒļŽ‘ļŽ–ļŽ›ļŽœļŽ‰ļŽ”ļŽ”ļŽ‘ļŽ–ļŽī˜ƒļŽœļŽļŽ‘ļŽ›ī˜ƒ
ļŽļŽ–ļŽ‘ļŽœī˜‘ī˜ƒī˜°ļŽļŽ”ļŽœļŽ‘ļŽ˜ļŽ”ļŽī˜ƒļŽ˜ļŽ—ļŽŸļŽļŽšī˜ƒļŽ›ļŽ—ļŽļŽšļŽ‹ļŽļŽ›ī˜ƒļŽ•ļŽ‰ļŽ”ī˜ƒļŽŠļŽī˜ƒļŽ˜ļŽšļŽļŽ›ļŽļŽ–ļŽœī˜‘ī˜ƒ
ī˜©ļŽ‰ļŽ‘ļŽ”ļŽļŽšļŽī˜ƒļŽœļŽ—ī˜ƒļŽŒļŽ—ī˜ƒļŽ›ļŽ—ī˜ƒļŽ•ļŽ‰ļŽ”ī˜ƒļŽ‹ļŽ‰ļŽļŽ›ļŽī˜ƒļŽ˜ļŽšļŽ—ļŽ˜ļŽļŽšļŽœļŽ”ī˜ƒļŽŒļŽ‰ļŽ•ļŽ‰ļŽļŽī˜ī˜ƒ
ļŽ˜ļŽļŽšļŽ›ļŽ—ļŽ–ļŽ‰ļŽ”ī˜ƒļŽ‘ļŽ–ļŽ’ļŽļŽšļŽ”ī˜ƒļŽ—ļŽšī˜ƒļŽŒļŽļŽ‰ļŽœļŽī˜‘
5. ī˜§ī™Œī™–ī™†ī™’ī™‘ī™‘ī™ˆī™†ī™—ī˜ƒī™ī™„ī™‘ī™’ī™ī™ˆī™—ī™ˆī™•ī˜ƒī™„ī™‰ī™—ī™ˆī™•ī˜ƒī™—ī™˜ī™•ī™‘ī™Œī™‘ī™Šī˜ƒī™’ó°€Øī˜ƒī™Šī™„ī™–ī˜ƒī™„ī™—ī˜ƒī™ī™„ī™‘ī™˜ī™„ī™ī˜ƒ
ī™–ī™‹ī™˜ī™—ī™’ó°€Øī˜ƒī™™ī™„ī™ī™™ī™ˆī˜‘ī˜ƒī˜µī™ˆī™Œī™‘ī™–ī™—ī™„ī™ī™ī˜ƒī™“ī™ī™˜ī™Šī˜ƒī™…ī™ˆī™‰ī™’ī™•ī™ˆī˜ƒī™—ī™˜ī™•ī™‘ī™Œī™‘ī™Šī˜ƒī™’ī™‘ī˜ƒī™Šī™„ī™–ī˜ƒī™—ī™’ī˜ƒ
furnace.
6. Turn OFF any unnecessary gas appliances started in
step 3.
7. Turn on gas to furnace and check for leaks. If leaks
are found, repair and then reinstall burner compart-
ment door.
8. Turn on electrical power and verify proper unit operation.




ī˜·ī™‹ī™ˆī˜ƒī™ī™ˆī™‘ī™Šī™—ī™‹ī˜ƒī™’ī™‰ī˜ƒ ī˜§ī™Œī™ī™ˆī™‘ī™–ī™Œī™’ī™‘ī˜ƒīš³ī˜¤īš“ī˜ƒī™‡ī™ˆī™—ī™ˆī™•ī™ī™Œī™‘ī™ˆī™–ī˜ƒ ī™—ī™‹ī™ˆī˜ƒī™„ī™‘ī™Šī™ī™ˆī˜ƒī™’ī™‰ī˜ƒ ī˜Ŗī™„ī™–ī˜ƒ
ī˜¶ī™—ī™•ī™ˆī™„ī™ī˜ƒīš³ī˜„īš“ī˜‘





 ī™‡ī™ˆī™‘ī™—ī˜ƒ ī™’ī™•ī˜ƒ ī™…ī™˜ī™•ī™•ī˜ƒ ī™šī™Œī™ī™ī˜ƒ ī™†ī™„ī™˜ī™–ī™ˆī˜ƒ ī™„ī˜ƒ ī™–ī™ˆī™™ī™ˆī™•ī™ˆī˜ƒ ī™‡ī™ˆī›€ī™ˆī™†ī™—ī™Œī™’ī™‘ī˜ƒ ī™’ī™‰ī˜ƒ ī™—ī™‹ī™ˆī˜ƒ ī™Šī™„ī™–ī˜ƒ
stream.

ī˜ŖļŽ‰ļŽ›ī˜ƒī˜¶ļŽļŽ˜ļŽ˜ļŽ”ļŽ”ī˜ƒī˜³ļŽšļŽļŽ›ļŽ›ļŽļŽšļŽī˜ƒī˜°ļŽļŽ‰ļŽ›ļŽļŽšļŽļŽ•ļŽļŽ–ļŽœī˜ƒ

ī˜·ļŽ—ī˜ƒļŽ˜ļŽšļŽļŽžļŽļŽ–ļŽœī˜ƒļŽļŽ–ļŽšļŽļŽ”ļŽ‘ļŽ‰ļŽŠļŽ”ļŽī˜ƒļŽ—ļŽ˜ļŽļŽšļŽ‰ļŽœļŽ‘ļŽ—ļŽ–ī˜ƒļŽ—ļŽšī˜ƒļŽļŽ™ļŽļŽ‘ļŽ˜ļŽ•ļŽļŽ–ļŽœī˜ƒļŽŒļŽ‰ļŽ•ļŽ‰ļŽļŽī˜ī˜ƒļŽœļŽļŽī˜ƒļŽ‘ļŽ–ļŽ”ļŽļŽœī˜ƒ
ļŽļŽ‰ļŽ›ī˜ƒļŽ›ļŽļŽ˜ļŽ˜ļŽ”ļŽ”ī˜ƒļŽ˜ļŽšļŽļŽ›ļŽ›ļŽļŽšļŽī˜ƒļŽ•ļŽļŽ›ļŽœī˜ƒļŽŠļŽī˜ƒļŽ‰ļŽ›ī˜ƒļŽ›ļŽ˜ļŽļŽ‹ļŽ‘ļŽŽļŽ‘ļŽļŽŒī˜ƒļŽ—ļŽ–ī˜ƒļŽœļŽļŽī˜ƒļŽļŽ–ļŽ‘ļŽœī˜ƒļŽšļŽ‰ļŽœļŽ‘ļŽ–ļŽī˜ƒ
ļŽ˜ļŽ”ļŽ‰ļŽœļŽī˜ƒļŽŸļŽ‘ļŽœļŽī˜ƒļŽ‰ļŽ”ļŽ”ī˜ƒļŽ—ļŽœļŽļŽļŽšī˜ƒļŽļŽ—ļŽļŽ›ļŽļŽļŽ—ļŽ”ļŽŒī˜ƒļŽļŽ‰ļŽ›ī˜ƒļŽŽļŽ‘ļŽšļŽļŽŒī˜ƒļŽ‰ļŽ˜ļŽ˜ļŽ”ļŽ‘ļŽ‰ļŽ–ļŽ‹ļŽī˜ƒļŽ—ļŽ˜ļŽļŽšļŽ‰ļŽœļŽ‘ļŽ–ļŽī˜‘
Gas inlet and manifold pressures should be checked and
adjusted in accordance to the type of fuel being consumed.
The line pressure supplied to the gas valve must be within
ī™—ī™‹ī™ˆī˜ƒī™•ī™„ī™‘ī™Šī™ˆī˜ƒī™–ī™“ī™ˆī™†ī™Œīšæī™ˆī™‡ī˜ƒī™…ī™ˆī™ī™’ī™šī˜‘ī˜ƒī˜·ī™‹ī™ˆī˜ƒī™–ī™˜ī™“ī™“ī™ī™œī˜ƒī™“ī™•ī™ˆī™–ī™–ī™˜ī™•ī™ˆī˜ƒī™†ī™„ī™‘ī˜ƒī™…ī™ˆī˜ƒī™ī™ˆī™„-
ī™–ī™˜ī™•ī™ˆī™‡ī˜ƒī™„ī™—ī˜ƒī™—ī™‹ī™ˆī˜ƒī™Šī™„ī™–ī˜ƒī™™ī™„ī™ī™™ī™ˆī˜ƒī™Œī™‘ī™ī™ˆī™—ī˜ƒī™“ī™•ī™ˆī™–ī™–ī™˜ī™•ī™ˆī˜ƒī™—ī™„ī™“ī˜ƒī™’ī™•ī˜ƒī™„ī™—ī˜ƒī™„ī˜ƒī™‹ī™’ī™–ī™ˆī˜ƒīšæī™—ī™—ī™Œī™‘ī™Šī˜ƒ
installed in the gas piping drip leg. The supply pressure must
be measured with the burners operating. To measure the
gas supply pressure, use the following procedure.

ī˜§ļŽ‘ļŽ›ļŽ‹ļŽ—ļŽ–ļŽ–ļŽļŽ‹ļŽœī˜ƒļŽļŽ”ļŽļŽ‹ļŽœļŽšļŽ‘ļŽ‹ļŽ‰ļŽ”ī˜ƒļŽ˜ļŽ—ļŽŸļŽļŽšī˜ƒļŽ‰ļŽ–ļŽŒī˜ƒļŽ›ļŽļŽļŽœī˜ƒļŽ—ļŽŽļŽŽī˜ƒļŽļŽ‰ļŽ›ī˜ƒļŽ›ļŽļŽ˜ļŽ˜ļŽ”ļŽ”ī˜‘
1. ī˜¤ī™‰ī™—ī™ˆī™•ī˜ƒī™—ī™˜ī™•ī™‘ī™Œī™‘ī™Šī˜ƒī™’ó°€Øī˜ƒī™Šī™„ī™–ī˜ƒī™—ī™’ī˜ƒī™‰ī™˜ī™•ī™‘ī™„ī™†ī™ˆī˜ƒī™„ī™—ī˜ƒī™—ī™‹ī™ˆī˜ƒī™ī™„ī™‘ī™˜ī™„ī™ī˜ƒī™Šī™„ī™–ī˜ƒī™–ī™‹ī™˜ī™—-
ī™’ó°€Øī˜ƒī™™ī™„ī™ī™™ī™ˆī˜ƒī™ˆī™›ī™—ī™ˆī™•ī™‘ī™„ī™ī˜ƒī™—ī™’ī˜ƒī™—ī™‹ī™ˆī˜ƒī™‰ī™˜ī™•ī™‘ī™„ī™†ī™ˆī˜ī˜ƒī™•ī™ˆī™ī™’ī™™ī™ˆī˜ƒī™…ī™˜ī™•ī™‘ī™ˆī™•ī˜ƒī™†ī™’ī™-
partment door to gain access to the gas valve.
2. Connect a calibrated manometer (or appropriate gas
pressure gauge) at either the gas valve inlet pressure
tap or the gas piping drip leg as shown in the follow-
ī™Œī™‘ī™Šī˜ƒīšæī™Šī™˜ī™•ī™ˆī™–ī˜‘ī˜ƒī˜µī™ˆī™‰ī™ˆī™•ī˜ƒī™—ī™’ī˜ƒMeasuring Gas Pressure: Single
Stage Valvesī˜ƒīšæī™Šī™˜ī™•ī™ˆī˜ƒī™‰ī™’ī™•ī˜ƒī™–ī™Œī™‘ī™Šī™ī™ˆī˜ƒī™–ī™—ī™„ī™Šī™ˆī˜ƒī™™ī™„ī™ī™™ī™ˆī˜ƒī™Œī™‘ī™ī™ˆī™—ī˜ƒī™“ī™•ī™ˆī™–-
sure tap connections.
ī˜±ī˜²ī˜·ī˜Øī˜ī˜ƒ ī˜¤ī™—ī˜ƒ ī™ˆī™Œī™—ī™‹ī™ˆī™•ī˜ƒ ī™ī™’ī™†ī™„ī™—ī™Œī™’ī™‘ī˜ī˜ƒ ī™„ī˜ƒ ī™‹ī™’ī™–ī™ˆī˜ƒ īšæī™—ī™—ī™Œī™‘ī™Šī˜ƒ ī™ī™˜ī™–ī™—ī˜ƒ ī™…ī™ˆī˜ƒ ī™Œī™‘ī™–ī™—ī™„ī™ī™ī™ˆī™‡ī˜ƒ
prior to making the hose connection.