12
SPECIFICATIONS: AIR-COOLED UNITS
Electrical Schematic:
Models HGEN800A through HGEN1200A
LEGEND(HGEN800A-1200A)
Q1: Power Cut-Off Switch with Handle
TH1: Manual Motor Starter for Refrigerant Compressor
TH2: Manual Motor Starter for Fan Motor
MC1: Magnetic Contactor for Refrigerant Compressor
MC2: Magnetic Contactor for Fan Motor
CP1: Circuit Protector for Control Power
S1: Switch “On-Off”
S2: Fan Pressure Switch
S3: High Pressure Switch
GL1: Green Lamp
SOL1: Electronic Drain Valve #1
SOL2: Electronic Drain Valve #2
SENSOR: Temperature Sensor
DCB2: Digital Control Board II
TB1: Terminal Block for Main Power
CH: Crankcase Heater
LEGEND
Q1 : POWER CUT-OFF SWITCH WITH HANDLE
TH1 : MANUAL MOTOR STARTER FOR REF' COMP.
CP1 : CIRCUIT PROTECTOR FOR CONTROL POWER
S1 : SWITCH "ON-OFF"
MC2 : MAGNETIC CONTACTOR FOR MOTOR
S2 : FAN PRESSURE SWITCH
SENSOR : TEMPERATURE SENSOR
GL1 : GREEN LAMP
SOL1 : ELECTRONIC DRAIN VALVE #1
DCB2 : DIGITAL CONTROL BOARD II
MC1 : MAGNETIC CONTACTOR FOR REF' COMP.
TB1 : TERMINAL BLOCK FOR MAIN POWER
CH : CRANKCASE HEATER
S3 : HIGH PRESSURE SWITCH
SOL2 : ELECTRONIC DRAIN VALVE #2
L3
L1
S2
TH1-a
L3L1 L2
S3
MC2MC1
S1
24
11
25
CH
MC1-b
4
TRANSFORMER
0V
480V
100VA
0V
1-0
3
U1 V1 W1 U2 V2 W2
21
31
Q1
TH1 TH2 CP1
Sensor
SOL1
DCB2
C/Alarm NC
C/Alarm COM
C/Alarm NO
1-1
2
120V
TB1
L3L1 L2 E
Customer's installation
TH2 : MANUAL MOTOR STARTER FOR REF' COMP.
HPRN1000/1200 ONLY
SOL2
GL1
FAN
MOTOR#1
MC2MC1
480V / 3PH / 60HZ
SK1
FAN
MOTOR#2
REF'
COMP'
COMP
S1
A2
FG
FG
A1
A2
24
21
11
25
20
22
T1+
T1–
RB
RCOM
RA
32
33
34
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MCGUIRE AIR COMPRESSORS INC
MCGUIRE AIR COMPRESSORS INC