Tb 1, Tb 2 -4 t b 5 -6, Tb 8 – Shellab SCO26H-2 User Manual
Page 19
WIRING DIAGRAM
SCO26H (2428H)
(9851429)
GREEN CHERRY
ROUND
POWER SWITCH
7850532
4 LOOP CONTROL
BOARD SL# 1750978
J
8
MAIN TEMP
SENSOR
DOOR
SENSOR
J
9
CO2
SENSOR
J
1
7
HUMIDITY
SENSOR
J
1
6
B
U
S
S
LOAD 1
LOAD 2
LOAD 3
LOAD 4
J1
J2
J3
J4
J5
J6
J7
EARTH GRD
(NEUT)
(HOT)
J10
COMMUNICATION
ALARM CONTACTS
IR CO2 SENSOR
8320510
12VDC
POWER SUPPLY
6750507
BLACK
B
L
A
C
K
WHITE
W
H
IT
E
HIGH
MUTE
LOW
1
2
4
1
2
4
OUT
IN
S
S
G
G
N
D
HIGH
MUTE
LOW
PELTIER
7010547
HF+
HF-
CF+
CF-
TEC+
TEC-
TEC+
TEC-
NC
ACL
ACN
FG
1
2
3
4
5
6
7
8
P1
P2
P3
P4
P5
P6
T
B
1
P7
P8
P10
P12
P13
P14
P15
P16
P17
P18
P19
P20
P21
P24
P9
T
B
2
-4
T
B
5
-6
P1
P2
P3
P4
P5
P7
P8
P9
P6
P12
P10
P11
T
B
8
P19
P20
P21
P22
P23
RED 18G
RED 18G
BLACK 18G
BLACK 18G
RED 18G
BLACK 18G
FUSED INLET
4200505
POWER ON LIGHT
4650554
DOOR SWITCH
7850578
RELAY
7030530
BM
9
10
11
12
5
6
7
8
13
14
OTL LIGHT
4650553
HEAT LIGHT
OTL
1750862
HEATER 2350563
4650554
BLUE
WHITE
ORANGE
RED
BLACK
CO2 LIGHT
4650554
CO2 SOLENOID
8600528
GLASS HEATER
RH LIGHT
4650554
RH SOLENOID
8600576
WATER LOW LIGHT
4650553
STEAMER RELAY
7030536
FLOAT SWITCH
7850563
9
5
1
13
14
WATER FILL
SOLENOID
8600576
PRESSURE SWITCH
7850574
HIGH LIMIT
220°C
9990691
STEAMER HEATER
2350532
DRAIN SOLENOID
8600568
DRAIN TIMER
8250517
POWER SUPPLY
24VDC
6750517
RH DIAL
1750979
CO2
DISPLAY
1750727
TEMPERATURE
DISPLAY
1750726
4-20MA
BOARD
CO2 & TEMP
1750667
4-20MA
BOARD
RH
1750945
RECORDER JACKS
6900522
BLACK
BLACK
BLACK
BLACK
B
L
A
C
K
BLACK
BLACK
BLACK 18G
B
L
A
C
K
1
8
G
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
W
H
IT
E
WHITE
WHITE
WHITE
WHITE
W
H
IT
E
WHITE
WHITE 18G
WHITE 18G
WH HT
WH HT
W
H
IT
E
WHITE
RED
BLACK
W
H
IT
E
BLACK
BLACK
O
R
A
N
G
E
O
R
A
N
G
E
YELLOW
YELLOW
YELLOW
BROWN
BROWN
RED
R
E
D
RED
B
L
H
T
GREY
GREY
RED
RED
WHITE
RED HT
BLUE 18G
R
E
D
2
2
G
B
L
A
C
K
2
2
G
R
E
D
2
2
G
B
L
A
C
K
2
2
G
B
L
A
C
K
2
2
G
W
H
IT
E
2
2
G
W
H
IT
E
2
2
G
B
R
O
W
N
2
2
G
RH SENSOR
4100504
EMI FILTER
2800503
Section
13