Carrier 30HL050 - Manual (Page 24)

A—
Alarm
C—
Contactor
CB
—
Circuit
Breaker
CH
—
Crankcase
Heater
CM
—
Control
Module
COM
—
Common
COMP
—
Compressor
CWFS
—
Chilled
W
ater
(Fluid)
Flow
Switch
CWP
—
Chilled
W
ater
(Fluid)
Pump
D—
Discharge
DLS
—
Demand
Limit
Switch
Fig.
19
—
30HK,
HL
Control
Box
GCS
—
Ground
Current
Sensing
GND
—
Ground
HGS
—
Hot
Gas
Solenoid
HPS
—
High-Pressure
Switch
LLSV
—
Liquid
Line
Solenoid
V
alve
LPS
—
Low-Pressure
Switch
NC
—
Normally
Closed
NEC
—
National
Electrical
Code
(U.S.A.)
NO
—
Normally
Open
OPS
—
Oil
Pressure
Switch
PL
—
Plug
PRI
—
Primary
(T
ransformer)
S—
Suction
SEC
—
Secondary
(T
ransformer)
SW
—
Switch
T—
Thermistor
TB
—
T
erminal
Block
TC
—
T
emperature
Control
TDR
—
T
ime
Delay
Relay
THERM
—
Thermistor
TRAN
—
T
ransformer
TSW
—
T
ransfer
Switch
U—
Unloader
LEGEND
24