Groen CC20-E - Page 67

CC20-E
Electrical Diagrams
After Serial Number C7439MS
3-35
(Revised 1/02)
ALL WIRES 18 GA. 105∞C 600V UNLESS MARKED
5-PIN
K = RELAY ON RELAY BOARD
R = POWER RELAY
TC1
AIR
610 F 610 F
TC2
BOILER
K6
K7
K8
240
208
COM
TR1
24V
BLOCK DB1
DISTRIBUTION
FB1
F1
20A
RED
L
1
14 AWG
480
FB3FB2
20A
F2
20A
F3
BLK
WHT
100 VA
4A
F4
3
A
F7
L
3L2
CONDENSATE
BOILER FILL
DRAIN
1/5 HP, 3 PHASE
N5 N5
M3
M4
M3
M4
M1
M2
M1
M2
208-240V
MOTOR
R1 R2 R3
M1
R4 R11 R12
DC
-
AC
+
AC
K2
K3
K4
K5
K11
L13
K12 K14
L15
VALVE
KEY
14 AWG
TO B-3
TO B-3
CONNECTOR
RELAY BOARD
POWER TO
208V-240V
14VAC
28VAC
9
9
B
8
7
654
46
1.25 AMP
14VAC
D
A
321
1
1.25 AMP
RELAY BOARD
J4
C
7000 W
L1
L2
L3
DB1
TB 2
TB 1
RED
WHITE
BLACK
R1
R3
R2
R
4
BH1 BH2 BH3
T
O K5 (14 AWG)
(12) 12 AWG
A
3
A5
A6
A
1
(6) HEATERS
2915 W EA.
(6) 12 AWG 
(8) 12 AWG
R11 R12
AIR
W
IRES 105°C 600 V 
B1 B2 B3 B4 B5 B6
TB3
FAN
7000 W
7000 W
200°C
UNLESS NOTED
A
1
A
3
A5
A6
A4
A2
A4
A
2
GND
-4
MOV
-
2
MOV
-3
MOV
MOV
-6
MOV
-
1
-5
M
OV
MOV BOARD
WHT
RED
BLK
Steam Mode Circuit for 208/240 Volt Units