User Manuals: Zanotti un0 080 Refrigeration Equipment

Manuals and User Guides for Zanotti un0 080 Refrigeration Equipment. We have 1 Zanotti un0 080 Refrigeration Equipment manual available for free PDF download: Workshop Manual

Zanotti un0 080 Workshop Manual

Zanotti un0 080 Workshop Manual (248 pages)

un0 series

Brand: Zanotti | Category: Refrigerator | Size: 22 MB

Table of Contents

Table of Contents
5
1 General Information

20
- Preface
  20
- Units Generals
  21
  - Unit Configurations
    21
  - Unit Identification
    21
  - Serial Number
    22
  - Unit Model
    22
- Safety Precautions
  23
  - General Notices
    23
    
    PPE Personal Protective Equipment (in Accordance with 89/686/EEC)
    23
    
    Symbols Key
    24
  - General Practices
    24
  - Specific Practices
    25
    
    Working at Height
    25
    
    Welding Procedures
    25
    
    Engine and Compressor
    25
    
    Refrigerant Oil
    25
    
    Refrigerant
    26
    
    Low Voltage and Electrical Battery
    26
    
    Electrical Main
    26
- Service Tools
  26
  - Generic Tools
    26
  - Refrigeration Tools
    27
  - Brazing Tools
    28
  - Engine Service Tools
    28
  - Electric Tools
    28
- Inspections
  29
  - Pre-Loading Inspection
    29
  - Post-Loading Inspection
    29
  - Enroute Inspection
    29
2 Description of the Unit

34
- Condensing Unit
  34
  - Nose Mount
    34
    
    Right Side and Electric Box Access
    34
    
    Driver-Left Side Access
    35
    
    Top Door Access
    36
    
    Bottom Cover Access
    36
  - Under Mount
    37
    
    Refrigeration Side Access
    38
    
    Engine Side
    38
    
    Front Door and Electrical Box Access
    39
- Evaporating Section
  41
  - Metal Cubic Monoblock
    41
    
    Bottom and Side Windows
    41
    
    Front Air Delivery Windows
    41
    
    Removed Drain Pan Access
    42
  - Plastic Flat Split
    43
    
    Evaporator Back
    43
    
    Removed Drain Pan Access
    43
3 Cooling Circuit

50
- Cooling Diagrams
  50
  - Monoblock
    50
  - Split
    50
- Operations
  51
  - Pump down Stop
    51
  - Recover Refrigerant
    53
  - Vacuum Operation
    53
  - Refrigerant Charge
    54
  - Refrigerant Leaks
    55
    
    Leakage Test
    55
    
    Leak Search Procedure
    56
  - Basic Steps in Brazing
    57
- Valves
  58
  - Shut-Off Valves
    58
    
    Opening Valve
    58
    
    Opening Service Port (Pos. 2)
    58
    
    Valve and Gasket Replacement
    59
  - Service Ports
    59
    
    Valve Test
    61
    
    Valve Replacement
    61
    
    SAE Pressure Switch Replacement
    62
  - Solenoid Valves
    62
    
    Solenoid Coil and Valve Tests
    62
    
    Valve Disassemble
    63
    
    YS 3-Way Replacement
    63
    
    YK Capacity Control Valve Replacement
    64
  - Non Return Check Valves
    65
    
    Check Valve Test
    65
    
    Check Valve Replacement
    66
- Filter Drier and Sight Glass
  66
  - Filter Drier Replacement
    67
- Orifice and Expansion Valve
  68
  - Expansion Valve Regulation
    68
  - Orifice Replacement
    69
  - Expansion Valve Replacement
    71
- CPR Crankcase Pressure Regulation Valve
  73
  - CPR Regulating Procedure
    73
- CPR Valve Replacement
  74
KVC Hot Gas Bypass Capacity Regulator

77
- KVC Hot Gas Bypass Regulating Procedure
  77
- KVC Valve Replacement
  78
Oil Separator

80
- Oil Separator Replacement
  80
Scroll Stand-By Compressor

83
- Specifications
  83
- Injection Valve Replacement
  83
- Stand-By Compressor Replacement
  85
Alternative Road Compressor

87
4 Diesel Engine

98
- Belts
  98
  - Tightening Information
    99
  - Service Belts Replacement
    100
- Lubrication System
  103
  - Oil Change
    103
  - Trochoid Pump Inspection Procedure
    105
  - PO Oil Pressure Switch Replacement
    107
- Cooling System
  107
  - Water Pump
    108
    
    Replacement Procedure
    108
    
    FTQ Temperature Switch Replacement
    109
    
    BH Temperature Sensor Replacement
    110
    
    Thermostatic Valve Replacement
    111
  - Expansion Tank
    112
    
    Replacement Procedure
    112
  - Coolant Leaks Search
    113
- Propeller Supply System
  113
  - Fuel Filter Replacement
    114
  - Fuel Pump
    117
    
    Replacement Procedure
    117
  - Air Filter Cartridge Replacement
    118
  - Speed Solenoid
    119
    
    Engine RPM Regulation
    119
    
    Speed Solenoid Replacement
    119
  - Start Stop Solenoid Valve
    120
- Electric System
  121
  - ALT Alternator
    121
    
    Voltage Regulator Replacement
    121
    
    Replacement Procedure
    122
  - E1 Glow Plugs
    123
    
    Current Absorption Test
    123
    
    Electrical Resistance Test
    124
    
    Replacement Procedure
    124
- Transmission
  125
  - Coupling Junction
    126
  - Flexible Element Replacement
    127
5 Electronics and Wiring

136
- Cab Command
  136
  - Display
    136
    
    Symbols Key
    137
  - Buttons
    137
  - Driver Mode Menu
    138
  - SET Temperature Set-Point Menu
    139
    
    Single Temperature
    139
    
    Multi Temperature
    139
  - Alarm Log Menu
    140
  - SERV Service Menu
    140
  - EVP Evaporators Management Menu
    141
  - Scheduled Maintenance Menu
    142
  - PROG Programming Menu
    143
    
    Parameters Modification
    144
    
    Input/Output Management
    144
    
    Clock Configuration
    145
    
    Configuration
    145
- Electronic Boards
  146
  - CPU Board
    146
    
    J1 & J2 Cab Command Ports
    147
    
    J6 Power Supply Port
    147
    
    J7 Temperature Probes Port
    148
    
    J8 CPU Board Input Port
    148
    
    J9 CPU Board Output Port
    149
  - Relay Board
    150
    
    J10 Pwr Board Ground Port
    151
    
    J12 Pwr Board Port
    151
    
    J19 Pwr Board Input Port
    152
  - Multi-Temperature Expansion Boards
    153
    
    Expansion Relay Board
    153
    
    J24 Port
    153
    
    J25 Port
    153
    
    2Nd and 3Rd Evaporator Boards
    154
    
    J20 Port
    154
    
    J21 Port
    154
  - J22 Port
    154
  - J23 Port
    154
- Low Voltage Wirings
  155
- High Voltage Wirings
  156
- Wiring Diagram Symbol-Key
  157
Digital Sensors

158
- SA Differential Air Switch
  158
- FTQ Water Temperature Switch
  158
- SAE Pressure Switches
  159
  - PMI Low Pressure Switch Specifications
    159
  - PMX High Pressure Switch
    160
  - P1MX Condenser Fan Switch
    160
- PO Oil Pressure Switch
  161
- FTS1-2 Defrost End Temperature Switches
  161
- MP Unit Door Micro-Switch
  162
- ON/OFF Button
  162
- MPC Cold-Room Door Micro-Switch (Optional)
  162
Electrical Protection Devices

163
- FMIS Circuit Breaker
  163
- FM1 Thermal Overload Relay
  163
- FGS Scroll Compressor Protection Thermostat
  164
- Fuses
  164
- KB Battery Relay
  164
Temperature Probes

165
- Probe Testing Procedure
  165
Managed Devices

167
- Single-Temperature Unit Solenoid Valve Coils
  167
  - YK Starting Capacity Control Valve Coil
    167
  - YS 3-Way Defrost Valve Coil
    167
- Multi-Temperature Unit Solenoid Valve Coils
  168
  - YK Starting Capacity Control Valve Coil
    168
  - YP Capacity Control Valve Coil
    168
  - Y3V 3-Way Defrost Valve Coil
    168
  - YF1 Evaporator 1 Cooling Valve Coil
    169
  - YC1 Evaporator 1 Heating Valve Coil
    169
    
    YF2-3 Evaporator 2 or 3 Cooling Valve Coil
    169
    
    YC2-3 Evaporator 2 or 3 Heating Valve Coil
    170
  - Motor-Fans - 7.6.3
    170
    
    M5 E M6 Condenser Motor-Fans
    170
    
    M8, M9 E M10 Evaporator Fans
    171
  - Cubic Evp. Fan Motor Specifications
    171
  - Engine Devices
    171
    
    PN Fuel Pump
    171
    
    Fuel Start/Stop Valve
    172
    
    YAV Speed Solenoid
    172
  - HI Acoustic Alarm
    173
  - Managing Relays
    173
- Power Supplies
  173
  - TAL Transformer
    173
  - Rectifier
    174
  - Battery
    174
  - KSF Phase Sequencer Relay
    174
  - K1-2 Contactors
    175
  - ALT Alternator
    175
- Running Logic
  176
  - Road Mode
    176
    
    Starting Sequence
    176
    
    Automatic Cooling Mode Operation Sequence
    177
    
    Continuous Cooling Mode Operation Sequence
    177
6 Alarms & Troubleshooting

182
- Standard Alarms
  182
  - A01 - Room Sensor
    182
  - A03 - Evaporator Temperature Probe Failure
    182
  - A04 - Low Pressure Switch
    183
  - A07 - Water Temperature
    184
  - A08 - Door Microswitch
    184
  - A10 - Oil Pressure
    185
  - A11 - High Pressure
    186
  - A14 - Net Compressor High Temperature
    187
  - A15 - Low Battery
    187
    
    A16 - Engine Failure
    188
    
    A17 - Alternator Failure
    189
    
    A18 - Water Sensor Error
    190
- Inactive Alarms
  191
  - A02 - External Temperature Probe Failure
    191
  - A05 - Oil Level
    191
  - A06 - Air Filter
    191
  - A09 - Door Open
    192
- Troubleshooting
  193
  - Condenser Fan Is Not Running
    193
  - Evaporator Fan Is Not Running
    194
  - F20 Fuse Blows Often
    194
  - Unit Does Not Start after Blackout
    195
  - Unit Not Performing
    196
7 Annex 1

202
- Parameters - Single Temperature Version
  202
  - Regulation Parameters Table
    202
  - Defrost Parameter Table
    202
  - Alarm Parameter Table
    203
  - Starting Parameter
    203
  - Annex 1
    203
  - Sensors Configuration Parameter Table
    204
  - Digital Input Management Table
    204
  - Digital Output Management Table
    204
- Parameters - Multi Temperature Version
  205
  - Regulation Parameters Table
    205
  - Defrost Parameter Table
    205
  - Alarm Parameter Table
    206
  - Starting Parameter
    206
  - Sensors Configuration Parameter Table
    207
  - Digital Input Management Table
    207
  - Digital Output Management Table
    207

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