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| LEGEND |
Standard Components Legend: | |
#1 | — First Stage |
#2 | — Second Stage |
BM | — Blower Motor (1 or 2 per Unit) |
BR | — Blower Relay |
CBR | — |
CC— Compressor Contactor
CPM | — Compressor Protection Module (15 Ton and Larger Compressors) | |
HPS | — High Pressure Switch | |
LPS | — Low Pressure Switch | |
RV | — Reversing Valve |
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Optional Components Legend:
AUX | — Auxiliary Relay (for Pumps, Valves, etc.) | |||||
BMR | — Blower Motor Relay | |||||
CMFR | — Compressor Malfunction Relay | |||||
CMR | — Compressor Monitor Relay | |||||
CS | — Condensate Sensor (One per Drain Pan) | |||||
EMS | — Energy Management System Relay | |||||
FS | — Freeze Sensor | |||||
HGL | — Hot Gas Limit (Bypass Only) | |||||
PM | — Phase Monitor | |||||
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| Factory Wire |
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| Field Wire |
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TRANSFORMER PRIMARY
LEAD COLOR
120White
208Red
240Orange
277Brown
380Purple or Yellow
460Black/Red
575Gray
NOTES:
1.See unit nameplate for electrical rating.
2.All field wiring must be in accordance with
3.
4.Check phase rotation on all scroll compressor units. Reverse rotation will damage the compressor and void unit warranty.
5.For alternative EMS coil voltages, consult factory.
6.UPM board includes built in 30 to
7.Setting the UPM board test mode jumper to yes reduces all time delays to 5 seconds.
8.“Freeze” pins on UPM board must be jumped if freeze sensor is not installed.
Fig. 38 —