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353AAV
Direct or
Insulated Blower Compartment
Combustion Products Venting — The
Insulation —
Bottom Closure —
Filter — Cleanable filter with retainer is standard.
Blower Access Panel Switch — Shuts off all
Casing — One piece, seamless
Adjustable Blower Speed — For precise airflow selection of heating or cooling operation.
Monoport Burners — The burners are finely tuned for smooth, quiet combustion plus economical gas usage.
Slow Opening Redundant Gas Valve — Shuts off gas to burners if any of the valves fails to close completely for any reason. The slow opening feature reduces
Quality Registration — The Plus 90x is engineered and manufactured under an ISO 9001 registered quality system.
Certifications — The Plus 90x Model units are CSA (A.G.A. and C.G.A.) design certified for use with natural and propane gases. The furnace is
BLOWER
LED OPERATION
& DIAGNOSTIC LIGHT
BLOWER SPEED SELECTION TERMINALS
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| BLOWER |
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T1 |
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| 90150 | 120180 |
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| TWINNING AND/OR |
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DHUM |
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| COMPONENT TEST |
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| TERMINAL |
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G |
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COM 24V |
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| HUMIDIFIER TERMINAL |
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W |
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TIT2 |
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| PLT |
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| TEST / TWIN |
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R |
| HUH |
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COM | 24VAC |
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| PL1 |
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COM | 24V |
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| TRANSFORMER | S | |
HEAT |
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MTR |
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COOL | 1 |
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FAN | TAPS |
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SPARE 2 SPARE 1 |
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| MAIN HARNESS |
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| CONNECTOR |
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| L1 |
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| PL2 |
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| NUETRAL |
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| IGNITER & INDUCER |
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| CONNECTIONS |
| MOTOR CONNECTION |
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A92505 | A08345 | A02172 |
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