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Table 1, Information available on the UC8 display.
Item
Unit Abbreviation Examples
Compressor suction line pressure
kPa
SLP
Suction line pressure 1034 kPa
Evaporating temperature
°C
Et
Evaporating temperature 12°C
Compressor suction line
temperature
°C
SLt
Suction line temperature 18°C
Compressor suction side superheat K
SSH
Suction side superheat 6K
Compressor discharge line pressure kPa
dLP
Discharge line pressure 2447 kPa
Condensing temperature
°C
Ct
Condensing temperature 42 °C
Compressor discharge line
temperature
°C
dLt
Discharge line temperature 70°C
Compressor discharge side
superheat
K
dSH
Discharge side superheat 28K
De-‐ice sensor temperature
(located on fins of the outdoor coil)
°C
ICEt
De-‐ice sensor temperature 39°C
Capacity
%
CAP
Capacity 100%
Expansion valve 1 opening
%
EE1
Expansion valve 1 75% open
Expansion valve 2 opening
%
EE2
Expansion valve 2 75% open
Typical Electrical Box
Looking at unit front with electrical access panel removed
Main
Earth
Stud
Terminal Blocks
Circuit
Breaker
Electric
Heat
Contactors
Ball Valve
Relay
Run (SRB)
Relay
Fault (FRB)
Relay
Unit Controller
Inverter Driver