INSTALLATION MANUAL
Refrigeration unit
Series Uno Undermount
UN120 | UN120 Multi
4
rev.02
3.3.1.5
In-cab controller .................................................................................. 23
3.4
Unpacking the unit ........................................................................................... 24
3.5
Installation of the unit ....................................................................................... 25
3.5.1
Mounting brackets ................................................................................ 26
3.6
Evaporator installation ..................................................................................... 28
3.6.1
Positioning the evaporators .................................................................. 29
3.7
Evaporator connection ..................................................................................... 30
3.7.1
Condenser unit connection ................................................................... 31
3.7.2
5 fans evaporator single temperature version connection .................... 32
3.7.3
6 fans evaporator single temperature 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 installation ............................................................................. 37
3.10
Diesel fuel pump installation ............................................................................ 39
3.11
Installing the battery ........................................................................................ 41
3.11.1
Installing the battery compartment ........................................................ 41
3.11.2
Battery connections and KB relay ......................................................... 42
3.12
Check for system leaks and vacuum ............................................................... 43
3.13
Final checks..................................................................................................... 44
4
Appendix ................................................................................................ 45
4.1
Cooling diagram - single temperature version ................................................. 45
4.2
Cooling diagram - multi temperature version ................................................... 46
4.3
Wiring diagram - single temperature version ................................................... 47
4.3.1
Power board ......................................................................................... 48
4.3.2
Electronic board .................................................................................... 49