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| Blower Motor Type |
| C = 3-speed PSC motor |
| V = Variable-speed high eff. ECM motor |
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| Horizontal Drain Pan Position |
| R = Right-hand |
| O = No cooling coil |
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| Airflow Config. |
| M = Multi-pos. |
| V = Vertical (upflow) |
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| Refrigerant Type & Metering Device |
| 1 = Piston (R-454B & R-32) |
| A = R-454B Non-bleed HP-A/C TXV |
| B = R-32 Non-bleed HP-A/C TXV |
| C = R-454B Bleed HP-A/C TXV |
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| Unit Size |
Slant Coil = 12, 18, 24, 25, 30, 36 (Side return capable) |
| A-coil = 31, 37, 42, 48, 60 |
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| Line Voltage Connections |
| S = Stripped wire |
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| Heat Options |
00 = No Heat (field kits available) |
| Hot Water Coil w/ Pump & Valve Assembly |
| 2P = 2 row hot water coil (sizes 12-30, 36) |
| 3P = 3 row hot water coil (all sizes) |
| 4P = 4 row hot water coil (sizes 31, 37-60) |
| Hot Water Coil w/o Pump & Valve Assembly |
| 2N = 2 row hot water coil (sizes 12-30, 36) |
| 3N = 3 row hot water coil (all sizes) |
| 4N = 4 row hot water coil (sizes 31, 37-60) |
|
| Voltage |
| 1 = 208/240V, 60Hz, 1ph. (ECM only) |
| 3 = 120V, 60Hz, 1ph. (ECM only) |
| 4 = 120V, 60Hz, 1ph. & 130F° aquastat |
| 5 = 220V, 50Hz, 1ph. with time delay |
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| Refrigerant Detection System |
| R = Included (Factory Installed) |
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