Copeland compressors in the United States (notes)

Copeland compressors in the United States (notes) Heat pump type-excess liquid return test 1. If the system is for on-site charging, increase the charging volume by 15% 2. Low temperature heating. Indoor 21 ℃, outdoor -18 ℃ or lower, record high and low pressure and temperature 3. Let the system frost after a few hours, you can temporarily remove the frost control or spray water from the outdoor coil until the suction saturation temperature is below -23 ℃ 4. The temperature of the oil tank at the bottom of the compressor must be within 1 O of the safe area shown in the "oil dilution diagram". 5. If it is in an unsafe area, it can increase the volume of the coil in the book, increase the outdoor scenery, reduce the filling volume, and reduce the capillary 6. If using a gas-liquid separator, the size of the oil return hole is 1 ~ 1.4mm for Quantum and Quest; 1 ~ 1.9mm for Summit, 1.8 ~ 2.3mm for Specter and LCS, and the specification of the oil return filter is 30 × 30 (the mesh is not small At 0.59mm × 0.59mm): V9 C4 _.]; Fixed feet * US Copeland compressors are equipped with rubber rings and copper bushings / * When putting the rubber feet on the compressor feet, the compressor should be lifted vertically * Put the steel casing into the fixing bolts separately, and then hang the compressor into the installation position, and then gently tighten the nut with washer: 1. The recommended installation torque is 2. The rubber ring and steel casing have a gap of 2mm; 3. When tightening the nut with washer, if the sleeve is tilted or even broken, it will cause vibration and noise.

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