Groen CC20-E Operator's Manual page 90

C/2-E
Electrical Diagrams
Steam Mode Circuit for 480 Volt Units
MOV BOARD
MOV
-2
MOV
-4
DB1
L1
L2
L3
GND
POWER TO
RELAY BOARD
D C
28 VAC
14 VAC 14 VAC
9 8 7 6 5 4 3 2 1
9 6 4 1
B A
208V-240V
610 F
AIR
TC1
DL1-4
3A-8
B1
BH1
TB1
MOV
-1
MOV MOV
-6 -3
R2
MOV
-5
RED
WHT
BLK
WIRES 14 AWG 600V 105°C UNLESS NOTED
TO DISTRIBUTION
L1
J4
FB1 FB2
220V
TR3
50 VA
480V
610 F
BOILER
TC2
TR2
24V 75VA
480
CB
K1
3.2A
COM
BOILER
B2 B3 B4 B5
BH2
BH3
TB2
R3
BLOCK
L2 L3
14 AWG
F7
3A
K6
F4
100 VA
FB3
4A
480
240
208
24V
COM
TR1
R1
M1 M1
M2 M2
M3 M3
M4 M4
M5 M5
NC NC
6-PIN
CONNECTOR
K = RELAY ON RELAY BOARD
R = POWER RELAY
WIRES ARE 18 AWG 600V 105°C UNLESS MARKED
A1
A3
A5
B6
A6 FAN
A4
A2
R12
R11
K2 K12 K15
K3 K11 K13 K14
KEY
480V
MOTOR IS
MOTOR THERMALLY
PROTECTED
M1
1/5 HP
3 PHASE
AIR
A1
A3
A5
A6
A4
A2
DRAIN
VALVE
AC+
DC
AC-
(Revised 1/02)