1995 Evapco PMCA Series Evaporative Condenser – 685 Nominal Tons. Model: PMCA-685. S/N: 950632. If used with ammonia the TR is 468 at 96.3°F with a 20° suction and 78°F wet bulb. (2) fans, (1) 20 hp & (1) U.S. Motor, 10 hp, Bell & Gossett Pump7-1/2 hp Special “cooler weather” features include: split coil circuit designed to cool 40 gpm of 30% ethylene glycol from 100°F to 90°F at 78°F wet bulb. (pressure drop: 9.8 psi.), (2) 6kw electric pan heaters with thermostat and low water cutoff switches, and unit is arranged for remote sump operation. Overall dimensions: 19 ft. 9 in. L x 10 ft. W x 14 ft. H.(AC43a). FAD