Proheat M80 Manuel de service télécharger pdf (Page 9)

C-2

PROHEAT M-SERIES G-II PCM SERVICE MANUAL

DUAL MODE

TEMP SENSOR

TATUS

INDICATOR

LIGHT

DUAL MODE

HAS 4 PIN

CONNECTOR

G-II PCM

DUAL MODE

TEMP

SENSOR

ANALOG TEMP

SENSOR

NO STATUS

INDICATOR

LIGHT

ANALOG SENSOR

HAS 2 PIN

CONNECTOR

G-I PCM

ANALOG

TEMP

SENSOR

Figure C-2. G-II PCM can be identified on a heater by looking for the status indicator light.

Also the Dual Mode Temp Sensor has a 4 pin connector.

Figure C-3. G-I PCM can be identified on a heater by not having the status indicator light.

Also the Analog Temp Sensor has a 2 pin connector.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 89 90

G-II PCM SERVICE MANUAL 1
M50, M80/90 & M105/125 1
CONTENTS 2
SAFETYA 4
SAFETY CONSIDERATIONS 5
INTRODUCTION 6
PROHEAT CONTROL 8
MODULE (PCM) TYPE 8
COMPRESSOR TYPED 10
MODEL DESCRIPTIONSE 12
Figure E-2 13
TECHNICAL 14
SPECIFICATIONS 14
PHYSICAL – M50/M801.1 15
PHYSICAL – M90/105 17
PHYSICAL – M125 19
G-II PCM ELECTRICAL1.2 21
TORQUE SPECIFICATIONS1.3 22
Ignition Module 23
Blower Housing 23
Dual Mode Temperature Sensor 23
Burner Head/Heat Exchanger 23
PRINCIPLE OF 26
OPERATION 26
Figure 2-1 28
THEORY OF OPERATION 29
Examples: 30
INDICATOR 31
MAINTENANCE TOOLS3.0 36
Minimum Standard Hand Tools 37
TROUBLESHOOTING 38
AND REPAIR 38
4.1 SYSTEM AND COMPONENT 39
DIAGNOSTICS 39
Fuel and fuel supply – Check: 42
START: Fuel System Step 1 42
PROHEAT fuel filter – Check: 43
START: Fuel System Step 2 43
START: Fuel System Step 3 44
Air Compressor – Check: 46
START: Fuel System Step 4 46
PRESSURE RELIEF CAP 49
LOCK NUT 49
PRESSURE RELIEF 49
VALVE BODY 49
Fuel Solenoid Valve – Check: 50
START: Fuel System Step 5 50
START: Fuel System Step 6 52
Fuel Supply Pump – Check: 54
START: Fuel System Step 7 54
Ignition Module – Check: 57
START: Ignition System 57
Flame Sensor – Check: 58
START: G-II PCM Flame 58
Sensor Circuit 58
FLAME OUT Diagnostic Code 2 60
COOLANT FLOW: Step 2 61
COOLANT FLOW: Step 1 61
OVERHEAT Diagnostic Code 4 62
VOLTAGE Diagnostic Code 5 63
FLAME FAULT Diagnostic Code 6 64
G-II PCM COOLANT PUMP 68
CONNECTION 68
MOTOR Diagnostic Code 12 69
G-II PCM AUXILIARY 71
OUTPUT CONNECTION 71
COMPONENT MECHANICAL 73
OR ELECTRICAL PROBLEMS 73
OPERATIONAL PROBLEMS4.3 76
MAINTENANCE5.0 78
ANNUAL MAINTENANCE5.2 79
Figure 5-3: Fuel Filter 80
Figure 5-4: Fuel Nozzle 80
Figure 5-5: Air Filter 81
Figure 5-6: Compressor Check 81
REPLACEMENT PARTS AND 83
TEST EQUIPMENT 83
ROTARY VANE COMPRESSOR 84
PROHEAT WARRANTY6.0 88
Proheat Serial Number: 90
Installation Date: 90

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Proheat M80 Manuel de service Page 9

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