Blast chiller Service Manual
7
Rev 07/04/2015
TABLE OF CONTENTS
1.
BASIC SERVICE DIAGNOSTIC (STANDARD CONTROLLER) ............................................................ 9
1.1.
ALARM/FAILURE LIST ....................................................................................... 10
1.2.
FAILURE CODE DETAILS .................................................................................. 11
1.3.
SERVICE MENU – CONFIGURATION PARAMETER ........................................ 11
1.3.1
Entering the configuration parameter ........................................................................................ 11
1.3.2
Parameter list (factory setting) ................................................................................................... 11
1.3.3
Temperature Probes Display ..................................................................................................... 28
2.
BASIC SERVICE DIAGNOSTIC (TOUCH SCREEN CONTROLLER) .................................................. 33
2.1.
ALARM/FAILURE LIST ....................................................................................... 34
2.2.
FAILURE CODE DETAILS .................................................................................. 36
2.3.
SERVICE MENU – CONFIGURATION PARAMETERS ...................................... 37
2.3.1
Entering the configuration parameter ........................................................................................ 37
2.3.2
Parameter list (factory settings) ................................................................................................... 1
2.3.3
Temperature Probes Display ....................................................................................................... 5
3.
TROUBLESHOOTING ............................................................................................................................. 7
3.1.
PROBES ............................................................................................................... 7
3.1.1.
Checking the Probes ............................................................................................. 8
3.1.2.
NTC (10kOhms@25°C/77°F) Diagram .................................................................. 9
3.1.3.
NTC (10kOhms@25°C/77°F) Chart Table........................................................... 11
3.1.4.
Pt1000 (1kOhms@0°C/32°F) Diagram ................................................................ 12
3.1.5.
Pt1000 (1kOhms@0°C/32°F) Chart Table........................................................... 12
3.2.
DOOR SWITCH ................................................................................................... 13
3.2.1
Checking the door switch ........................................................................................................... 13
3.3.
PRESSURE SWITCH .......................................................................................... 14
3.3.1
Pressure Switch Working Principles – Alarm Connection ......................................................... 14
3.3.2
Pressure Switch Working Principles – Pump Down .................................................................. 15
3.3.3
Pressure Switch Factory Setting ................................................................................................ 15
3.4.
DOOR FRAME HEATER ..................................................................................... 15
3.4.1
Heater cable features ................................................................................................................. 16
3.5.
MAIN BOARD – STANDARD CONTROLLER ..................................................... 16
3.5.1
Checking Relay Outputs ............................................................................................................ 16
3.6.
KEYPAD – STANDARD CONTROLLER ............................................................. 18
3.6.1
Keypad Troubleshooting ............................................................................................................ 18
3.7.
MAIN BOARD – TOUCH SCREEN CONTROLLER ............................................ 18
3.7.1
Checking Relay Outputs ............................................................................................................ 19
3.8.
DISPLAY – TOUCH SCREEN VERSION ............................................................ 22
3.8.1
Touch Screen Display Troubleshooting ..................................................................................... 22
3.9.
REFRIGERANT PRESSURES CHECKS ............................................................ 23
4
SERVICE AND REPAIR ......................................................................................................................... 24
4.1
REMOVE THE FRONT PANEL ........................................................................... 24
4.1.1.
Units from 5 to 18 shelves ................................................................................... 24
4.1.2
GBF-GN2/3 (smallest self-contained unit) ................................................................................. 25
4.1.3
Latest version of self-contained (5 to 18 pans) Effective June 2014 .............................. 26
4.2.
REVERSING THE DOOR SWING (ONLY NON TOUCH SCREEN) ................... 27
4.3.
ACCESSING THE CONDENSING UNIT ............................................................. 32
4.3.1
Unit from 5 to 18 shelves ........................................................................................................... 32
4.3.2
5 shelves units ........................................................................................................................... 37
Summary of Contents for GBC-15
Page 1: ...Service Manual Blast Chiller...
Page 2: ...Rev 07 04 2015 2...
Page 3: ...Blast chiller Service Manual 3 Rev 07 04 2015...
Page 32: ...Rev 07 04 2015 32...
Page 40: ...Rev 07 04 2015 40...
Page 50: ...Rev 07 04 2015 10 20 10 0 10 20 30 40 kOhms C kOhmsVsTempChart NTC 10kOhms 25 C ZOOM...
Page 57: ...Blast chiller Service Manual 17 Rev 07 04 2015 L1 L2...
Page 91: ...Blast chiller Service Manual 51 Rev 07 04 2015 6 SCHEMATICS 6 1 SCHEME OF COMPONENTS...
Page 97: ...Blast chiller Service Manual 57 Rev 07 04 2015...
Page 100: ...Rev 07 04 2015 60...