The approved oil is a polyolester poe lubricant emkarate rl68hb. Copeland 4msls are only applicable for subcritical co 2 r 744 applications see table 4 for list of available models.
Refrigeration Crankcase Heater Refrigeration
Copeland crankcase heater wiring diagram. Power module life estimator. Liquid analysis wiring diagram. Cut quick connect off other crankcase heater wire strip and connect to stripped temperature switch wire with a wire nut. Tecumseh to copeland brand 9 general notes 13 compressor data notes rating points 14 zb zf and zs models 15 zr models 27 zfh models 59 zp models 61 zrtzz tandem models 62 electrical diagrams 65 standard compressor drawings 66 electrical components 79 bill of material description 82 accessories 84 miscellaneous information crankcase heaters 87. Would you say crankcase heater is wired correctly being powered all the time. Wiring route one crankcase heater wire into control box and attach to quick connect line voltage terminal 11 on contactor.
Fasten heater firmly in place with clip provided on heater. 737371 take a look at this schematic. Route one crankcase heater wire into control box and attach to quickconnect line voltage terminal 11 on contactor. Copeland 4mtls are only applicable for transcritical co 2 r 744 applications see table 3 for list of available models. Cad drawing diagrams. Found this unit wired so heater is only energized with compressor.
Reapply power to the unit. Fasten heater firmly in place with clip provided on heater. Place the wiring diagram provided with the kit on the inside of the control box cover. Crankcase heater filter by press enter to collapse or expand the menu. Cut quickconnect off other crankcase heater wire strip and connect to stripped temperature switch wire with a wire nut. 1 printed in the usa.
Of course it would be even better if it was wired through auxiliary side contacts and shutoff when compressor energizes. A crankcase heater is used to prevent refrigerant migrating into the shell during standstill periods. Reinstall the side panel and the unit top and the control box cover. Ae4 1388 r3 20 to 40 ton zpkc and zrkc copeland scroll air conditioning compressors ae4 1388 r3 june 2014 safety. 2014 emerson climate technologies inc. The crankcase heater should immediately begin to heat.
1 1 of 1. Route other temperature switch wire. Oil charge and recharge values are. Due to the copeland scrolls inherent ability to handle liquid refrigerant in flooded conditions a crankcase heater is not required when the system charge does not exceed the charge limits shown in table 4. The crankcase heater will heat at all times. Route other switch wire into control box.
Gallery of Copeland Crankcase Heater Wiring Diagram
