Groen CC20-E Operator's Manual page 70

CC20-E
Electrical Diagrams
After Serial Number C7439MS
Combo Mode Circuit for 480 Volt Units
DB1
L1
L2
L3
GND
POWER TO
RELAY BOARD
D
C
28VAC
14VAC 14VAC
J4
9 8 7 6 5 4 3 2 1
9 6 4 1
B A
208V-240V
610 F
AIR
TC1
3-38
B1
BH1
MOV BOARD
MOV MOV
-2 -1
MOV MOV MOV
-4 -6 -3
MOV
-5
RED
WHT
BLK
TO DISTRIBUTION BLOCK
L1
240V
TR3
50 VA
480V
610 F
BOILER
TC2
K = RELAY ON RELAY BOARD
R = POWER RELAY
BOILER
B2 B3 B4 B5
BH2
TB1 TB2
R2 R3
WIRES 14 AWG 600V 105°C UNLESS NOTED
WIRES 18 AWG 600V 105°C UNLESS NOTED
L2 L3
14 AWG
F7
3A
F4
100 VA
4A
480
240
24V
208
COM
TR1
R1
M1 M1
M2 M2
M3 M3
M4 M4
N5 N5
NC NC
6-PIN
CONNECTOR
A1
A3
A5
B6
A6
BH3 FAN
A4
A2
R12
R11
K2 K11 K13
K6 K3 K12
KEY
M1
MOTOR
480V
IS THERMALLY
MOTOR
PROTECTED
1/5 HP
3 PHASE
AIR
A1
A3
A5
A6
A4
A2
L15
K14
AC
+
DRAIN
DC
VALVE
-
AC
(Revised 1/02)