Found this unit wired so heater is only energized with compressor. Cut quickconnect off other crankcase heater wire strip and connect to stripped temperature switch wire with a wire nut.
Crankcase Heaters Tutco
Copeland crankcase heater wiring diagram. Would you say crankcase heater is wired correctly being powered all the time. Of course it would be even better if it was wired through auxiliary side contacts and shutoff when compressor energizes. The approved oil is a polyolester poe lubricant emkarate rl68hb. Wiring route one crankcase heater wire into control box and attach to quick connect line voltage terminal 11 on contactor. 737371 take a look at this schematic. Crankcase heater filter by press enter to collapse or expand the menu.
2014 emerson climate technologies inc. 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. Ae4 1388 r3 20 to 40 ton zpkc and zrkc copeland scroll air conditioning compressors ae4 1388 r3 june 2014 safety. Copeland 4msls are only applicable for subcritical co 2 r 744 applications see table 4 for list of available models. 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.
Fasten heater firmly in place with clip provided on heater. The crankcase heater will heat at all times. Route other switch wire into control box. Liquid analysis wiring diagram. Power module life estimator. Reapply power to the unit.
The crankcase heater should immediately begin to heat. 1 printed in the usa. Cad drawing diagrams. 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. Cut quick connect off other crankcase heater wire strip and connect to stripped temperature switch wire with a wire nut.
1 1 of 1. Copeland 4mtls are only applicable for transcritical co 2 r 744 applications see table 3 for list of available models. Route other temperature switch wire. Route one crankcase heater wire into control box and attach to quickconnect line voltage terminal 11 on contactor. Place the wiring diagram provided with the kit on the inside of the control box cover. Fasten heater firmly in place with clip provided on heater.
Gallery of Copeland Crankcase Heater Wiring Diagram
