Manualshelf

Natural Gas to Propane Conversion Instructions

ManualsBrandsAirQuest ManualsCentral Air & Heating3 Ton 16 SEER 96% AFUE 80,000 BTU Gas Furnace and Heat Pump System - Upflow/Downflow
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8 AG--KC019SNP--02
Specifications subject to change wi thout notice.
6. Turn high heat stage adjusting screw clockwise (in) 13.5
full turns. This will increase the manifold pressure closer
to the propane set point.
7. Turn low heat stage adjusting screw clockwise (in) 9.5 full
turns. This will increase the manifold pressure closer to
the propane low heat set point.
8. Do not install regulator seal caps at this time.
Modulating Gas Valve
Refer to Figure 12 and Figure 13.
Figure 12
Propane Jumper
A11373
Figure 13 Installing Propane Jumper
A11375
NOTE:The Propane jumper for the modulating gas valve is very
small. Needle-nose pliers are required to insert the jumper into
the valve. If the jumper is not installed, the valve will not operate
properly on propane.
1. Locate the round “NAT GAS” sticker on the top of the
gas valve.
2. Peel the sticker off and discard.
3. Note the small square opening in the top of the gas valve.
4. Note the two jumper pins inside the modulating gas valve.
5. Remove the small black plastic propane jumper from the
envelope.
6. Use needle-nosed pliers to hold the jumper by the tab on
the end.
7. Insert the jumper on the pins inside the gas valve.
8. Cover the opening in the gas valve with the label marked
“LP GAS
Figure 14
A
utomatic Control Valve (Modulating)
without Tower Pressure Ports
ON/OFF Switch
1/2” NPT Outlet
Manifold
Pressure Tap
Inlet
Pressure Tap
Min/Max Heat Adust
(Under Cap)
GAS FLOW
MODULATING
Turn screw 1 click per
second to adjust rate.
Clockwise to increase
rate, counter clockwise
to decrease rate.
A10496
A170116
OUTP
ON/OFF SWITCH
MANIFOLD PRESSURE TAP
SET SCREW: 3/32” HEX HEAD
ACCEPTS 5/16” HOSE
CONNECTION
1/2” NPT
INLET
1/2” NPT
OUTLET
INLET PRESSURE TAP
SET SCREW:
3/32” HEX HEAD
ACCEPTS 5/16” HOSE
CONNECTION
MIN/MAX HEAT
ADJUST (UNDER CAP)
Representative drawing only, some models may vary in appearance.
A170131
1/2” NPT
INLET
1/2” NPT
OUTLET
INP
1/8” NPT INLET
PRESSURE TAP
Representative drawing only, some models may vary in appearance.