blk 119 e8 e11 suction temp #2 suction pressure #1 e1 +12vdc e2 e3 gnd e4 +12vdc e5 e6 ... vac blk/wht 139 blk/wht 120 1vc suction pressure #2 125 126 127 red grn wht e7 suction ... temp #3 pump down #1 suction pressure #3 8pt blk 140 e1 +12vdc e2 e3 gnd 3 ... ground fault gf gnd ground h-o-t high oil temp hmt high motor temp htr heater i/o ... input/output level sensor ls lt light m contactor mcs molded case ... open no overload ol pb push button pressure transducer pt resistor res relay rly ... tlw temp leaving water tr timer temp sensor ts undervoltage relay uvr vapor ... #2 tx valve comp #3 tx valve h0t gas bypass option 1 circuit furnished not ... furnished hot gas bypass option all circuits furnished not ... been interrupted for a prolonged period oil sump heaters must be energized 24 hours ... fan stage 2 fan stage 3 fan stage 4 h g bypass discharge limit lo amb dmnd lmt/cwr ...
anomalies such as high condensing pressure low suction pressure and high ... fan relays for fan cycling head pressure control d seven-day time clock with ... to unload the compressors based on high pressure low pressure and high amp draw too ... nuisance trips f control of hot gas bypass circuit g dry contacts for chilled ... for unit alarm unit protection a low pressure protection b high pressure protection c ... limiting f anti-recycling protection g sensor error h motor high temperature ... protection i low oil j dry contacts for chilled water pump ... d compressor ampere draw e suction pressure each compressor f discharge pressure ...