Thetford 2117 User Guide
Owner’s Manual 22
Wiring Diagram and pictorial
The parts of the wiring diagram and pictorial are (See Art01823
and Art01823-1):
ACH .................... AC Heater
DB....................... Defrost Board
DC ...................... Door Contacts
DH ...................... Divider Heater
dh........................ Divider Housing
DL ....................... Dispenser Light P.C.B.
DPS .................... Dispenser Switch
DS....................... Door Switch
DTH .................... Drip Tray Heater
DWH ................... Dispenser Water Line Heater
DWVH ................. Dispenser Water Valve Heater
EF ....................... External Fan
EFT ..................... External Fan Thermistor
FAT ..................... Freezer Air Thermistor
FDH .................... Freezer Defrost Heater
FF ....................... Freezer Fan
FFAT ................... Fresh Food Air Thermistor
FFDH .................. Fresh Food Defrost heater
FFF ..................... Fresh Food Fan
FFFT ................... Fresh Food Fin Thermistor
FFT ..................... Freezer Fin Thermistor
FH ....................... Flapper Heater
fh......................... Flapper Housing
GV ...................... Gas Valve
HTS .................... Heater Temperature Switch
IG ........................ Igniter
IL ......................... Interior Light
IMWH .................. Ice Maker Water Line Heater
LCD .................... Display Board
MP ...................... Microprocessor
OOS.................... On/Off Switch
PB ....................... Power Board
PH....................... Perimeter Heater
TP ....................... Test Point
TS ....................... Temperature Switch
WV ...................... Water Valve
WVH ................... Water Valve Heater
1.......................... Fused Continuous 12 VDC
2.......................... Switched 12VDC
3.......................... Communications
4.......................... Display Ground
5.......................... Auxillary Ground
6.......................... Auxillary +12VDC
7.......................... Divider +12VDC
8.......................... Gas Valve +12VDC
F1 ....................... (Power Board) 5A DC Fuse
F2 ....................... 8A AC Fuse
F1 ....................... (Defrost Board) 30A DC Fuse
....................... Chassis
........ Wire Foamed In Cabinet
LCD
6
4
DS
2
2
2
FFFT
EFT
FFAT
FFT
FAT
FFF
FF
EF
4
IG
8
30
A
5A
F1
DB
PB
2
8
6
6
FFDH
FDH
-12VDC/-12VCC
+12VDC/+12VCC
TS
ACH
ACH
ACH
11
8
2
6
IL
5
FH
dh
DC
DL
WV
IMWH
WVH
DWH
DWVH
DPS
3
HTS
DTH
P2
8A
F2
L1
L2
A
C
_H
T_
LO
A
C
_H
T_
LO
_2
A
C
_H
T_
H
I
A
C
_H
T_
H
I_
2
LIM
IT
_O
U
T
LIM
IT
_IN
P1
P3
P3
P2
P1
F1
12
V
D
C
G
N
D
G
N
D
G
N
D
12
V
12
V
GV
TP
fh
DH
PH
TS
TS
Art01823