Model Rgd400A4 - Gardner Denver RGD Series Instruction Manual

ELECTRICAL SCHEMATICS

Model RGD400A4

U1
Ref.
V1
M1
Compressor
W1
TH1
U2
V2
Fan Motor
M2
W2
LEGEND
M1: Ref. Compressor
M2: Fan Motor
MC1: Magnetic Contactor
MC2: Magnetic Contactor
S1: Switch "on-off"
TH1: Thermal Relay
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)
TB1: Terminal Block for Main Power
CH: Crankcase Heater
16
460V / 3PH / 60Hz
L1 L2 L3
Customer's Installation
TB1 L1 L2 L3 E
460V
TRANSFORMER
MC1
MC2
A2
A1
FG
FG
A2
S1
COMP
COMP
COM
RB
RCOM
RA
DCB2
CH
2
1
50VA
R1
0V 0V
F1(2A)
GL1
115V
T1
S1
T2
R2
12
SOL1 Drain Valve
11
R2
8
TEMP. SENSOR
COMMON ALARM CONTACT
R2
T2
S4
TH1
13 8
S3
7
MC1
SK1
MC2