Carrier AERO 39MN Installation, Start-Up And Service Instructions Manual page 118

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Fig. 102A — On/Off (1-Stage) Gas Valve
a39-4401
GAS SUPPLY
LINE
GAS SUPPLY
LINE
3 IN.
MIN.
SEDIMENT
TRAP
Fig. 101 — Sediment Trap, Shut-Off Valve, and Union
Fig. 102C — Honeywell V8944 Gas Valve
GROUND JOINT
MANUAL GAS
UNION WITH
SHUT-OFF VALVE
BRASS SEAT
TO CONTROLS
PLUGGED
1/8 IN. NPT TEST
GAGE CONNECTION
SECOND STAGE (HI FIRE) MANIFOLD PRESSURE
ADJUSTMENT (3/32 IN. ALLEN KEY)
FIRST STAGE (LO FIRE) MANIFOLD
PRESSURE ADJUSTMENT
LO
1/8 IN. NPT INLET
PRESSURE TAP
Fig. 102B — 2-Stage Gas Valve
117
A39-4399
ELECTRICAL
CONNECTION
BLOCK
C
° ON
°
OFF
MANUAL SHUT-OFF
CONTROL KNOB
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