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INSTALLATION MANUAL 

Refrigeration unit  

Series Uno Undermount

 

UN120 | UN120 Multi 

 

36

 

 

rev.02

 

 

3.8  Drain hoses installation 

 

NOTE 

For proper drainage, the drain hose must slope down continuously from the evaporators 
to the wall drains with no kinks or droop. 

 

 

NOTE 

It is recommended routing each individual drain hose directly out of the cold storage to 
allow faster water drainage. 

 

To install the drain hoses, proceed as follows: 

  Insert the entire length of the resistance wire into the drain hose (if present). 

 

CAUTION 

Do not cut the resistance wires. 

  Attach drain hose to evaporator drain outlet (1, Figure 34) and fix with the supplied clamps. 

  Fix drain hose to the outside of the cold storage wall with supplied clamps and screws. 

  Seal the piping passageways hole with mastic to avoid infiltration. 

 

Figure 34 - Condensate drain fittings 

 

 

Summary of Contents for UNO Series

Page 1: ...Refrigeration excellence since 1962 REFRIGERATION UNIT Series Uno Undermount INSTALLATION MANUAL TRANSLATION OF THE ORIGINAL INSTRUCTIONS...

Page 2: ...oubt or difficulty in understanding or interpreting the manual the original official version indicated as ORIGINAL INSTRUCTIONS on the cover must be considered as the valid version The contents of thi...

Page 3: ...1 7 Plant components 8 2 TECHNICAL DATA 9 2 1 Dimensions 9 2 1 1 Condenser unit 9 2 1 2 Evaporators 12 2 1 2 1 Flat two fan evaporator 12 2 1 2 2 Flat three fan evaporator 14 2 1 2 3 Three fan cubic E...

Page 4: ...ature version connection 33 3 7 4 2 units 3 fans evaporator single temperature version connection 34 3 7 5 Cubic evaporator connection 35 3 8 Drain hoses installation 36 3 9 In cab controller installa...

Page 5: ...ti INSTALLATION MANUAL rev 02 5 4 3 3 Emergency circuit 50 4 3 4 Key 51 4 4 Wiring diagram multi temperature version 53 4 4 1 Power board 54 4 4 2 Multi temperature board 55 4 4 3 Electronic board 56...

Page 6: ...ect installation and maintenance of the unit 1 2 Symbols The manual uses some symbols which are used to draw the reader s attention and highlight some particularly important aspects SYMBOL MEANING NOT...

Page 7: ...s of behaviours and obligations to be observed while performing the various installation activities envisaged on the unit This is to ensure personnel equipment and the environment remain safe 1 5 Manu...

Page 8: ...NSTALLATION MANUAL Refrigeration unit Series Uno Undermount UN120 UN120 Multi 8 rev 02 1 7 Plant components Figure 1 Refrigeration unit Uno Undermount 1 In cab controller 3 Condenser unit 2 Evaporator...

Page 9: ...ermount UN120 UN120 Multi INSTALLATION MANUAL rev 02 9 2 TECHNICAL DATA 2 1 Dimensions 2 1 1 Condenser unit NOTE The condenser unit is equipped with brackets for installation Dimensions in mm in Figur...

Page 10: ...INSTALLATION MANUAL Refrigeration unit Series Uno Undermount UN120 UN120 Multi 10 rev 02 Dimensions in mm in Figure 4 Rear view Figure 5 Top View...

Page 11: ...Refrigeration unit Series Uno Undermount UN120 UN120 Multi INSTALLATION MANUAL rev 02 11 Dimensions in mm in Figure 6 View of cab side Figure 7 Engine side view...

Page 12: ...nit Series Uno Undermount UN120 UN120 Multi 12 rev 02 2 1 2 Evaporators 2 1 2 1 Flat two fan evaporator Dimensions in mm in Figure 8 Rear view 1 Defrosting 12 mm 0 47 in 3 Suction 22 mm 0 87 in 2 Liqu...

Page 13: ...Refrigeration unit Series Uno Undermount UN120 UN120 Multi INSTALLATION MANUAL rev 02 13 Dimensions in mm in Figure 10 Side view Figure 11 View 3 4...

Page 14: ...ation unit Series Uno Undermount UN120 UN120 Multi 14 rev 02 2 1 2 2 Flat three fan evaporator Dimensions in mm in Figure 12 Rear view 1 Defrosting 12 mm 0 47 in 3 Suction 28 mm 1 10 in 2 Liquid 10 mm...

Page 15: ...Refrigeration unit Series Uno Undermount UN120 UN120 Multi INSTALLATION MANUAL rev 02 15 Dimensions in mm in Figure 14 Side view Figure 15 View 3 4...

Page 16: ...INSTALLATION MANUAL Refrigeration unit Series Uno Undermount UN120 UN120 Multi 16 rev 02 2 1 2 3 Three fan cubic Evaporator Dimensions in mm in Figure 16 Rear view Figure 17 Top View...

Page 17: ...Refrigeration unit Series Uno Undermount UN120 UN120 Multi INSTALLATION MANUAL rev 02 17 Dimensions in mm in Figure 18 Side view Figure 19 View 3 4...

Page 18: ...geration unit Series Uno Undermount UN120 UN120 Multi 18 rev 02 2 2 Weights UN120 UN120 MULTI kg lb kg lb Road mode External power supply mode 510 1124 510 1124 Road mode only 475 1047 475 1047 Evapor...

Page 19: ...ATION MANUAL rev 02 19 3 INSTALLATION 3 1 Installation layout Figure 20 Installation layout Left side 1 In cab controller 5 Defrosting line 2 Evaporator connection cable 6 Liquid line 3 Evaporator 7 S...

Page 20: ...tor connection cable 15 KB battery relay 3 Evaporator 16 Diesel fuel tank 4 In cab controller connection cable 17 Diesel fuel pump 9 Fuel pick up pipe 18 Battery positive cable 10 Diesel fuel pump pic...

Page 21: ...oceeding with the installation of the unit on the truck it is necessary to check that you have the following tools available Protective goggles and PPE Drill Drill bits Tape Metro Mechanical tools Lad...

Page 22: ...e 3 3 1 3 Battery optional Muffler kit see 3 3 1 4 Diesel fuel pump kit see 3 3 1 1 Immersion pipe Electrical connection kit see 3 3 1 2 Sealing gasket Silencer pipe Fuel tank optional Fastening screw...

Page 23: ...2 Electrical connection kit Flying socket Fuse base Fuse terminal Fuse support Fuse base Blade fuse 3A Simple Envelope 8X15 Red pre head head connector 1 5 3 3 1 3 Battery holder kit Battery holder bo...

Page 24: ...th the unit Remove the coatings and accessories of the unit present Attach the unit using the holes in the supports A Figure 22 to a suitable lifting device and lift it slightly Figure 22 Anchor brack...

Page 25: ...ollows With an 8 mm Allen wrench open the front panel fixtures Figure 23 Slide the front panel leftward to remove it Figure 23 Unscrew the screws that fix the electrical panel see arrows Figure 24 Ove...

Page 26: ...INSTALLATION MANUAL Refrigeration unit Series Uno Undermount UN120 UN120 Multi 26 rev 02 3 5 1 Mounting brackets Dimensions in mm in Figure 25 Supports Rear view...

Page 27: ...Refrigeration unit Series Uno Undermount UN120 UN120 Multi INSTALLATION MANUAL rev 02 27 Dimensions in mm in Figure 26 Supports Top View...

Page 28: ...paragraph To install the evaporator proceed as follows Slowly unscrew the caps on the defrost lines 1 Figure 27 liquid 2 and suction 3 to allow the nitrogen to gradually escape Figure 27 Protective ca...

Page 29: ...Refrigeration unit Series Uno Undermount UN120 UN120 Multi INSTALLATION MANUAL rev 02 29 3 6 1 Positioning the evaporators Figure 28 Positioning the evaporators...

Page 30: ...allation and application NOTE Apply refrigerant oil to all refrigerant pipes O rings prior to assembly Fabricate a 28 mm 1 10 in suction pipe from the evaporator to the condenser Use the provided flan...

Page 31: ...no Undermount UN120 UN120 Multi INSTALLATION MANUAL rev 02 31 3 7 1 Condenser unit connection Figure 29 Condenser unit connections 1 Liquid 10 mm 0 39 in 3 Defrosting 12 mm 0 47 in 2 Suction 28 mm 1 1...

Page 32: ...unit Series Uno Undermount UN120 UN120 Multi 32 rev 02 3 7 2 5 fans evaporator single temperature version connection Figure 30 Connecting the 5 fans evaporator 1 Liquid 10 mm 0 39 in 3 Defrosting 12 m...

Page 33: ...rmount UN120 UN120 Multi INSTALLATION MANUAL rev 02 33 3 7 3 6 fans evaporator single temperature version connection Figure 31 Connecting the 6 fans evaporator 1 Liquid 10 mm 0 39 in 3 Defrosting 12 m...

Page 34: ...mount UN120 UN120 Multi 34 rev 02 3 7 4 2 units 3 fans evaporator single temperature version connection Figure 32 Multi temperature version connection with two three fan evaporators 1 Liquid 10 mm 0 3...

Page 35: ...t Series Uno Undermount UN120 UN120 Multi INSTALLATION MANUAL rev 02 35 3 7 5 Cubic evaporator connection Figure 33 Cubic evaporator connection 1 Liquid 10 mm 0 39 in 3 Defrosting 12 mm 0 47 in 2 Suct...

Page 36: ...directly out of the cold storage to allow faster water drainage To install the drain hoses proceed as follows Insert the entire length of the resistance wire into the drain hose if present CAUTION Do...

Page 37: ...Refrigeration unit Series Uno Undermount UN120 UN120 Multi INSTALLATION MANUAL rev 02 37 3 9 In cab controller installation Figure 35 Installation of the support Figure 36 Connector connection...

Page 38: ...INSTALLATION MANUAL Refrigeration unit Series Uno Undermount UN120 UN120 Multi 38 rev 02 Figure 37 IP67 Remote Control On Demand...

Page 39: ...10Diesel fuel pump installation To install the diesel fuel pump proceed as follows Apply hydrocarbon resistant sealant to points A Figure 38 of the fittings Install the diesel fuel pump complete with...

Page 40: ...8 Fuel pick up pipe 2 Fuse 9 Fuel pick up pipe filter 3 Card connection cable guard fuse 10 Diesel fuel tank 4 Diesel fuel pump 11 Fuel pick up supply pipe 8 mm 5 16 5 Diesel fuel pump connection cabl...

Page 41: ...ent Figure 40 Installing the battery compartment 1 HH screw 6x16 8 Battery locking bracket 2 Flat washer 6x12 9 Battery holder box with relay brackets 3 HH screw 10x40 10 Battery holder cover 4 Flat w...

Page 42: ...Battery connections and KB relay Figure 41 Battery connections and KB relay 1 Battery A Power cable from the main fuse 2 Maximum system guard fuse 200 A B To the positive pole of the unit 3 Display gu...

Page 43: ...0 microns keep the suction for about an hour Close the vacuum pump valve switch off the pump checking that the gauge reading for the vacuum pump does not exceed 2000 microns in the following thirty mi...

Page 44: ...ing checks Correct fixing of all the mechanical units No air gaps between the unit and truck wall Correct connection of the drain hoses Correct installation of the diesel fuel pump Correct connection...

Page 45: ...version 1 Defrosting line 11 Dehydrating filter 2 Suction line 12 Liquid receiver 3 Liquid line 13 Condenser 4 Three ways valve 14 Suction valve 5 High pressure switch 15 Discharge valve 6 Condenser f...

Page 46: ...ceiver 2 Suction line 13 Condenser 3 Liquid line 14 Suction valve 4 Three ways valve 15 Discharge valve 5 High pressure switch 16 Stand by compressor 6 Condenser fan pressure switch 17 Oil separator 7...

Page 47: ...Refrigeration unit Series Uno Undermount UN120 UN120 Multi INSTALLATION MANUAL rev 02 47 4 3 Wiring diagram single temperature version...

Page 48: ...INSTALLATION MANUAL Refrigeration unit Series Uno Undermount UN120 UN120 Multi 48 rev 02 4 3 1 Power board...

Page 49: ...Refrigeration unit Series Uno Undermount UN120 UN120 Multi INSTALLATION MANUAL rev 02 49 4 3 2 Electronic board...

Page 50: ...INSTALLATION MANUAL Refrigeration unit Series Uno Undermount UN120 UN120 Multi 50 rev 02 4 3 3 Emergency circuit...

Page 51: ...IR FILTER FA11 GLOW PLUG FUSE FA2 CLUTCH FUSE FA3 OIL PUMP FUSE FA4 DIESEL FUEL STOP SOLENOID VALVE FUSE 0 FA5 DEFROST SOLENOID VALVE FUSE FA6 HIGH SPEED SOLENOID FUSE FA7 START MOTOR REEL FUSE FA8 AU...

Page 52: ...N M8 9 10 MVE1 2 3 EVAPORATOR FANS MOTOR MP DOOR MICROSWITCH MTA START MOTOR P1MX CONDENSER FAN PRESSURE SWITCH BDC LOW PRESSURE SWITCH PMX HIGH PRESSURE SWITCH PN DIESEL FUEL PUMP PO OIL PRESSURE SWI...

Page 53: ...Refrigeration unit Series Uno Undermount UN120 UN120 Multi INSTALLATION MANUAL rev 02 53 4 4 Wiring diagram multi temperature version...

Page 54: ...INSTALLATION MANUAL Refrigeration unit Series Uno Undermount UN120 UN120 Multi 54 rev 02 4 4 1 Power board...

Page 55: ...Refrigeration unit Series Uno Undermount UN120 UN120 Multi INSTALLATION MANUAL rev 02 55 4 4 2 Multi temperature board...

Page 56: ...INSTALLATION MANUAL Refrigeration unit Series Uno Undermount UN120 UN120 Multi 56 rev 02 4 4 3 Electronic board...

Page 57: ...Refrigeration unit Series Uno Undermount UN120 UN120 Multi INSTALLATION MANUAL rev 02 57 4 4 4 Second evaporator control circuit...

Page 58: ...STOP SOLENOID VALVE FUSE 0 FA5 DEFROST SOLENOID VALVE FUSE FA6 HIGH SPEED SOLENOID FUSE FA7 START MOTOR REEL FUSE FA8 AUXILIARY CIRCUIT FUSE FA11 GLOW PLUG FUSE FB BATTERY FUSE FEC DIESEL FUEL HEATER...

Page 59: ...DOOR MICROSWITCH MTA START MOTOR BDC LOW PRESSURE SWITCH PMX HIGH PRESSURE SWITCH PN DIESEL FUEL PUMP PO OIL PRESSURE SWITCH S2 REMOTE ON OFF SA AIR SWITCH Y3V THREE WAY SOLENOID VALVE YAV HIGH SPEED...

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