SERVICE MANUAL TANGO KW (short version) ENGLISH
Autori: Serralunga M. 16/07/2020
2
NO COPYING IN ANY FORM WITHOUT WRITTEN PERMISSION FROM EPTA QUALITY MANAGEMENT
TABLE OF CONTENTS
1. AMOUNT OF REFRIGERANT IN THE EQUIPMENT 3
2. REFRIGERATION SCHEMATICS FOR THE EQUIPMENT 4
2.1. REFRIGERATION DIAGRAM TANGO 125 KW 4
2.2. REFRIGERATION DIAGRAM TANGO 188 KW 5
2.3. REFRIGERATION DIAGRAM TANGO 250 KW 6
2.4. VIEW OF THE MOTOR COMPARTMENT – TANGO 125 KW 7
2.5. VIEW OF THE MOTOR COMPARTMENT – TANGO 188 KW 8
2.6. VIEW OF THE MOTOR COMPARTMENT – TANGO 250 KW 9
2.7. VIEW OF THE EVAPORATOR COMPARTMENT AND RELEVANT PIPEWORK 10
3. POSITION OF PROBES IN THE CABINET 13
4. ALARMS FOR TANGO KW (Dixell controller) 14
5. REPLACEMENT OF COMPONENTS AND REPAIR A LEAK 14
5.1. SAFE OPERATING PROCEDURES FOR REFRIGERATION UNITS USING R290 14
5.2. PROTECTION TOOLS AND DEVICES FOR SERVICING 15
5.3. HOW TO EMPTY THE COOLING CIRCUIT AND PROVE IT BEFORE SERVICING 18
5.4. COMPRESSOR REPLACEMENT 19
5.5. UNSOLDER COPPER PIPE TUBE 20
5.6. COMPRESSOR REMOVING 20
5.7. NEWCOMPRESSORINSERTION 21
5.8. HIGH PRESSURE PIPE CLOSING 21
5.9. REFRIGERANT GAS CHARGING AND THERMODYNAMIC CIRCUIT CLOSING 22
5.10.CHECK THE CORRECT CLOSING OF THERMODYNAMIC CIRCUIT 25
5.11.REPLACEMENT OF CONDENSER MOTOR FAN 27
5.12.REPLACEMENT OF EVAPORATOR MOTOR FAN 27
5.13.REPLACEMENT OF POWER CORD REPLACING 28
5.14.REPLACEMENT OF ELECTRONIC CONTROLLER 28
5.15.
REPLACEMENT OF LED BARS 29
6.MAINCABINETFUNCTIONS 31
6.1. DISPLAY UNIT AND MAIN PARAMETERS 31
6.2. USEOFLEDS 31
6.3. TANGOKWPARAMENTERS 32
6.4. TEMPERATURESETTING 33
7.WIRINGDIAGRAM 34
7.1. WIRING DIAGRAM LEGEND 34
7.2. TANGO 125 KW WIRING DIAGRAM 34
7.3. TANGO 188 KW WIRING DIAGRAM 35
7.4. TANGO 250 KW WIRING DIAGRAM 36
