FläktGroup Multi-DENCO Operation Manual page 3

Multi
-DENCO
PROTECTION NOTICES
The reproduction, distribution and utilization of this document as well as the communication of its contents to others without
express authorization is prohibited. Offenders will be held liable for the payment of damages. All rights reserved in the
event of the grant of a patent, utility model or design.
FläktGroup DC-2013-0101-GB • Subject to modifications • R4-05/2018
6.6 Connecting water pipework ...................................................................... 65
7 Electrical Connections ............................................................. 70
7.1 Requirements ........................................................................................... 70
7.2 Connecting mains power supply ............................................................... 71
7.3 Connecting outdoor unit ............................................................................ 72
7.4 Connecting signal cabling ......................................................................... 74
7.5 Customer terminals on C5-12 unit controller ............................................ 76
8 Commissioning ......................................................................... 77
8.1 Requirements ........................................................................................... 77
8.2 Pre-commissioning procedure .................................................................. 78
8.3 Commissioning procedure ........................................................................ 83
8.4 Post-commissioning procedure ................................................................ 93
9 Operation ................................................................................... 94
9.1 Requirements ........................................................................................... 94
9.2 General operation ..................................................................................... 94
9.3 Alarms and error messages ...................................................................... 96
10 Servicing and Maintenance ...................................................... 97
10.1 Maintenance access ................................................................................. 98
10.2 Servicing ................................................................................................... 98
10.3 Refrigerant leak testing ........................................................................... 100
10.4 Compressor care .................................................................................... 100
10.5 Humidifier maintenance (if fitted) ............................................................ 100
10.6 Closing down procedure ......................................................................... 101
10.7 Logbook & EU Regulation ...................................................................... 102
11 Fault Finding and Troubleshooting ....................................... 103
11.1 Common Issues ...................................................................................... 104
12 Dismantling and Disposal ...................................................... 106
12.1 Dismantling ............................................................................................. 106
12.2 Disposal .................................................................................................. 107
13 Appendix .................................................................................. 108
13.1 Pre-Commissioning Checklist (DQA 880) ............................................... 109
13.2 Pressure Test Certificate (DQA 653) ...................................................... 112
13.3 Multi-DENCO Commissioning Report (DQA 890) .................................. 113
Table of Contents
3