Primus D13 - Unit will Not Heat (Gas)

114 70284701
Section 8 Micro Display Control Troubleshooting - Unit will not heat (Gas)
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
93. UNIT WILL NOT HEAT (GAS)
TMB1840S
M
1
VALV
3
GND
3
GND
4 2
GND
TH
FAN MOTOR
CENTRIFUGAL
SWITCH
WHT
CHASSIS GROUND
WHT
CABINET
LIMIT
THERMOSTAT
STOVE
LIMIT
THERMOSTAT
AIR FLOW
SWITCH
5
RUN
MAIN 2
MAIN 1
4
FAN
MOTOR
THERM
PROT.
AUX
1
ICM
IGN
BRN/RED
WHT
ORG/BRN
COM
N.O.
ORG BRN
ORG/
WHT
WHT/
BRN
BRN/WHT
VLT
VLT/WHT
3
5
3
GRY/BLK
BLK
M
5
8
LT. BLU
N.C.
BLK
THERMISTOR
WHT/
BLK
WHT
GAS VALVE
FIRST COIL
SECOND COIL
BA
M
7
4
GRN/YEL
RED/BLK
WHT/VLT
WHT
RED/BLK
RED/BLK
RED
WHT/BLU
WHT
GRN/YEL
WHT
12345678910
WHT
WHT
THERMISTOR
BLK
WHT
H4
025 & 030 MODELS 035 MODELS
24Vac Ret
H3-1 & H3-2 Iin= 3-30ma TIME 20msec MIN.
START PULSE INPUT
MACHINE RUNNING
AVAILABLE OUTPUT
SEE VEND
APPLICATION DETAIL
H2-2
H2-1
FS-2
H1-2
512386411109712
COIN DROPS
H5
24Vac
H1-4
123 4 56
7
H6
24Vac Ret
Imax=5ma H3-3 & H3-4 Vmax=28Vdc OPTO OFF WHEN
HEAT RELAY
MOTOR RELAY
H2-5
DOOR SENSING CIRCUIT ALLOWS
VOLTAGE CONFIGURATION INPUT
JUMPER H2-2 TO H2-5 AS FOLLOWS: 240Vac - 13.6K ohm 10 watt
CONTROL TO TURN ON MOTOR
RELAY ONLY WHEN DOOR IS CLOSED & SWITCH IS PRESSED
24Vac - WIRE JUMPER 120Vac - 6.8K ohm 5 watt
MDC CONTROL
CONTROL POWER SUPPLY
24VAC
H1-1
H1-3
H11L1
4
6
5
3
21
H3
100 OHM
1/4 watt
4N25
H2-4 H2-3
FS-1
1
H2-6
Door Sense Ret
CIRCUIT CONTROLS
HEAT RELAY
TEMP. REGULATING
10
H4
897 45623
1
2
3
4
6 8
10 12
11
9
13
15
14
7
5