| Model | AT75 | AT115 | AT130 | AT150 Heat & Cool | AT150 Heat Only |
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| Cooling Performance | | Cooling Condition (Water/Air/RH)* | N/A | N/A | N/A | 100/80/63 | N/A | | Rejected BTU/KW* | N/A | N/A | N/A | 75,000/22 | N/A | | EER (Energy Efficiency Ratio)* | N/A | N/A | N/A | 12 | N/A | | BTUs (Water Temp/Ambient Air/Relative Humidity) | | 80/80/80 | 74,000 | 112,000 | 134,000 | 126,000 | 143,000 | | 80/80/63 | 70,000 | 106,000 | 125,000 | 120,000 | 134,000 | | 80/50/63 | 49,000 | 74,000 | 84,000 | 82,000 | 90,000 | | Coefficient of Performance (Water Temp/Ambient Air/Relative Humidity) | | 80/80/80 | 5.6 | 5.6 | 5.7 | 5.6 | 6.5 | | 80/80/63 | 5.4 | 5.4 | 5.6 | 5.3 | 6.1 | | 80/50/63 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | | Refrigerant | R410A | R410A | R410A | R410A | R410A | | Compressor | Reciprocating | Scroll | Scroll | Scroll | Scroll | | Heat Exchanger | Rifled Titanium – Tube in Tube | Thermolink – Tube In Shell | Thermolink – Tube In Shell | Thermolink – Tube In Shell | Thermolink – Tube In Shell | | Electrical | | KW Input | 3.9 | 5.9 | 6.8 | 6.6 | 6.4 | | Voltage/Hz/Phase | 208-230V/60hz/1 | 208-230V/60hz/1 | 208-230V/60hz/1 | 208-230V/60hz/1 | 208-230V/60hz/1 | | Min Circuit Ampacity . | 31.65 | 41.8 | 41.8 | 42.06 | 42.06 | | Max Fuse Size | 50 | 60 | 60 | 60 | 60 | | Water Flow | | Min/Max GPM | 20/45 | 30/70 | 30/70 | 30/70 | 30/70 | | Dimensions | | Weight | 208 | 261 | 262 | 315 | 310 | | Length x Width x Height | 34 x 33.5 x 27.1 | 34 x 33.5 x 38.1 | 34 x 33.5 x 38.1 | 34 x 33.5 x 43.5 | 34 x 33.5 x 43.5 |
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