17
ELECTRICAL SCHEMATICS
Model RGD500A4
L3
L1
LEGEND
M1 : Ref. Compressor
M2 : Fan motor
TH1 : Thermal Relay
S3 : Fan pressure switch
S1 : Switch "on-off"
S4 : High pressure switch
SENSOR : Temperature Sensor
GL1 : Green Lamp
SOL1 : Electronic drain
DCB : Digtal Control Board
115V
0V
50VA
460V
0V
TRANSFORMER
460V / 3PH / 60Hz
L2
F1(2A)
TH1
MC2
MC1
U1
V1
W1
U2
V2
W2
SK1 : Spark Killer
(Resistance: 120Ω, Capacitor: 0.1uF)
SOL1
DCB2
COMMON ALARM CONTACT
MC1 : Magnetic Contactor
MC2 : Magnetic Contactor
Ref.
Compressor
Fan Motor
TEMP. SENSOR
Drain valve
TB1
TB1 : Terminal Block for Main Power
Customer's installation
L3
L1
E
L2
GL1
S1
MC1
S4
S3
T2
R2
MC2
TH1
T1
R1
M2
M1
SK1
12
11
COM
COMP
COMP
S1
A2
FG
A1
A2
R2
T2
R2
8
FG
RCOM
RB
RA
LEGEND
CR: Running Capacitor
M1: Ref. Compressor
M2: Fan Motor
MC1: Magnetic Contactor
S1: Switch "on-off"
S2: Overload Protector
S3: Fan Pressure Switch
S4: High Pressure Switch
GL1: Green Lamp
SENSOR: Temperature Sensor
SOL1: Electronic Drain
DCB: Digital Control Board
SK1: Spark Killer (Resistance: 120Ω + Capacitor: 0.1uF)
S0: Main Switch (Customer's Installation)
Summary of Contents for RGD Series
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