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D-EIMAC01706-18EN- 2/32
Contents
1
INTRODUCTION .................................................................................................................................................. 3
General description ............................................................................................................................................... 3
Information on the refrigerant used ....................................................................................................................... 3
Usage ................................................................................................................................................................... 4
Installation information .......................................................................................................................................... 4
1.4.1
Additional guidelines for using equipment with R32 installed outdoors .................................................. 4
1.4.2
Additional guidelines for using equipment with R32 installed in engine rooms ....................................... 4
2
INSTALLATION .................................................................................................................................................... 6
Storage ................................................................................................................................................................. 6
Safety .................................................................................................................................................................... 6
Receipt of the unit ................................................................................................................................................. 6
Handling and lifting ............................................................................................................................................... 6
Positioning and assembly ..................................................................................................................................... 8
Minimum space requirements .............................................................................................................................. 9
Noise and sound protection ................................................................................................................................ 11
Water circuit for the connection of the unit .......................................................................................................... 12
2.8.1
Water piping ......................................................................................................................................... 12
2.8.2
Installing the flow switch ....................................................................................................................... 12
2.8.3
Heat recovery ....................................................................................................................................... 12
Water treatment .................................................................................................................................................. 14
Operation limits ................................................................................................................................................... 14
Operating stability and minimum water content in the system ............................................................................ 17
Anti-freeze protection for evaporator and recovery exchangers ......................................................................... 18
Electric connections ............................................................................................................................................ 18
2.13.1
Cable requirements.......................................................................................................................... 19
2.13.2
Interconnection cables ..................................................................................................................... 19
Phase unbalance ................................................................................................................................................ 19
3
OPERATOR'S REPONSIBILITIES..................................................................................................................... 20
4
MAINTENANCE ................................................................................................................................................. 21
Pressure / temperature table .............................................................................................................................. 22
Routine maintenance .......................................................................................................................................... 22
4.2.1
Microchannel Coil Maintenance ............................................................................................................ 22
4.2.2
Electrical Installation ............................................................................................................................. 23
4.2.3
Service and limited warranty ................................................................................................................. 23
5
CHECKS FOR THE FIRST START-UP .............................................................................................................. 29
6
IMPORTANT INFORMATION ON THE REFRIGERANT USED ........................................................................ 30
Factory and Field charged units instructions ....................................................................................................... 30
7
PERIODIC CHECKS AND COMMISSIONING OF PRESSURE EQUIPMENT .................................................. 31
8
DISMISSION AND DISPOSAL ........................................................................................................................... 31
9
DURATION ......................................................................................................................................................... 31
LIST OF FIGURES
Fig. 1
– Lifting instructions .................................................................................................................................................... 7
Fig. 2 - Unit levelling ............................................................................................................................................................ 9
Fig. 3 - Minimum space requirements ............................................................................................................................... 10
Fig. 4
– Multiple Chiller Installation .................................................................................................................................... 11
Fig. 5
– Hydraulic diagram without pump(s) on board ....................................................................................................... 13
Fig. 6
– Hydraulic diagram with pump(s) on board (opt. 78÷81) ......................................................................................... 13
Fig. 7 - Hydraulic scheme with hydronic kit (opt.134÷137) ................................................................................................ 13
Fig. 8 - Multi V-Silver Operational limits ............................................................................................................................ 14
Fig. 9 - Multi V-Gold Operational limits .............................................................................................................................. 15
Fig. 10 - Single V-Silver Operational limits ........................................................................................................................ 16
Fig. 11 - Single V-Gold Operational limits ......................................................................................................................... 16
Fig. 12 - Refrigerant circuit diagram (P & ID) single circuit unit ......................................................................................... 26
Fig. 13 - Refrigerant circuit diagram (P & ID) double circuit unit ........................................................................................ 27
Fig. 14 - Description of labels applied on the electrical panel ............................................................................................ 28
LIST OF TABLES
Table 1 - Acceptable water quality limits ........................................................................................................................... 14
Table 2 - Evaporator - Fouling factor ................................................................................................................................ 17
Table 3 - Air heat exchanger - Altitude correction factor ................................................................................................... 17
Table 4 - Minimum percentage of glycol for the low air ambient temperature .................................................................. 17
Table 5 - Table 1 of EN60204-1 Point 5.2 ......................................................................................................................... 19
Table 6 - Pressure / Temperature of the R32 .................................................................................................................... 22
Table 7
– Standard Routine Maintenance Plan ................................................................................................................. 24
Table 8
–Routine Maintenance Plan for Critical Application and/or Highly Aggressive Environment ................................ 25
Table 9 - Checks to be performed before starting the unit ................................................................................................ 29