Groen CC20-E Operator's Manual page 68

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CC20-E
Electrical Diagrams
After Serial Number C7439MS
Steam Mode Circuit for 480 Volt Units
DB1
L1
L2
L3
GND
POWER TO
POWER TO
RELAY BOARD
RELAY BOARD
D D
C C
28VAC
28VAC
14VAC
14VAC
14VAC
14VAC
J4
J4
9 9
8 8
7 7
6 6
5 5
4 4
3 3
2 2
1 1
9 9
6 6
4 4
1 1
B B
A A
208V-240V
208V-240V
610 F
610 F
AIR
AIR
TC1
TC1
3-36
B1
BH1
MOV BOARD
MOV
MOV
-2
-1
MOV
MOV
MOV
-4
-6
-3
MOV
-5
RED
WHT
BLK
TO DISTRIBUTION BLOCK
TO DISTRIBUTION BLOCK
L1
L1
240V
240V
TR3
TR3
50 VA
50 VA
480V
480V
610 F
610 F
BOILER
BOILER
TC2
TC2
K = RELAY ON RELAY BOARD
K = RELAY ON RELAY BOARD
R = POWER RELAY
R = POWER RELAY
BOILER
B2 B3
B4
B5
BH2
TB1
TB2
R3
R2
WIRES 14 AWG 600V 105°C UNLESS NOTED
WIRES 18 AWG 600V 105°C UNLESS NOTED
WIRES 18 AWG 600V 105°C UNLESS NOTED
L2
L2
L3
L3
14 AWG
14 AWG
F7
F7
3A
3A
F4
F4
100 VA
100 VA
4A
4A
480
480
240
240
24V
24V
208
208
COM
COM
TR1
TR1
R1
R1
M1
M1
M1
M1
M2
M2
M2
M2
M3
M3
M3
M3
M4
M4
M4
M4
N5
N5
N5
N5
NC
NC
NC
NC
6-PIN
6-PIN
CONNECTOR
CONNECTOR
A1
A3
A5
B6
A6
BH3
FAN
A4
A2
R12
R11
K2
K2
K11
K11
K13
K13
K6
K6
K3
K3
K12
K12
KEY
KEY
M1
M1
MOTOR
MOTOR
480V
480V
IS THERMALLY
IS THERMALLY
MOTOR
MOTOR
PROTECTED
PROTECTED
1/5 HP
1/5 HP
3 PHASE
3 PHASE
AIR
A1
A3
A5
A6
A4
A2
L15
L15
K14
K14
AC
AC
+ +
DRAIN
DRAIN
DC
DC
VALVE
VALVE
- -
AC
AC
(Revised 1/02)

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