Daikin VAM2000J8VEB - Page 3

Table of contents
Installer and user reference guide
3
VAM350~2000J8VEB
Heat reclaim ventilation unit
4P664012-1 – 2021.08
14.4 To install the anchor bolts .............................................................................................................................................. 47
14.5 Duct connections ............................................................................................................................................................ 48
15 Electrical installation 50
15.1 About connecting the electrical wiring .......................................................................................................................... 50
15.1.1 Precautions when connecting the electrical wiring....................................................................................... 50
15.1.2 Guidelines when connecting the electrical wiring......................................................................................... 51
15.1.3 Wiring connection .......................................................................................................................................... 51
15.1.4 Component electrical specifications.............................................................................................................. 52
15.1.5 Specifications for field supplied fuses and wires........................................................................................... 53
15.2 Opening the switch box .................................................................................................................................................. 54
15.3 Electrical connections for additional field supplied damper ......................................................................................... 61
15.4 To connect the electrical wiring ..................................................................................................................................... 61
15.5 To connect the monitoring output................................................................................................................................. 63
16 System configuration 64
16.1 About control systems .................................................................................................................................................... 64
16.2 Independent system ....................................................................................................................................................... 65
16.3 Linked operation control system.................................................................................................................................... 65
16.4 Central control system.................................................................................................................................................... 66
16.5 EKVDX option .................................................................................................................................................................. 67
17 Configuration 69
17.1 To change settings .......................................................................................................................................................... 69
Case 1: Change settings with BRC1E53.......................................................................................................... 69
Case 2: Change settings with BRC301B61 ..................................................................................................... 70
Case 3: Change settings with BRC1H ............................................................................................................. 71
17.2 Field settings ................................................................................................................................................................... 72
17.3 Settings for all configurations......................................................................................................................................... 74
17.3.1 About setting 19(29)-0-04 and 19(29)-0-05 .................................................................................................. 75
17.3.2 Independent system....................................................................................................................................... 75
17.3.3 1-group linked-control system ....................................................................................................................... 76
17.3.4 Linked control with more than 2 groups ....................................................................................................... 76
17.3.5 Direct duct connection................................................................................................................................... 77
17.3.6 Central control system ................................................................................................................................... 78
17.3.7 EKVDX option - extra settings......................................................................................................................... 81
17.4 About the controller ....................................................................................................................................................... 82
17.4.1 BRC1E53 controller......................................................................................................................................... 82
17.4.2 BRC301B61 controller .................................................................................................................................... 85
17.4.3 BRC1H controller ............................................................................................................................................ 87
17.5 Detailed explanation of settings ..................................................................................................................................... 88
17.5.1 About fresh-up operation............................................................................................................................... 88
17.5.2 About the external damper operation........................................................................................................... 89
17.5.3 About the CO₂ sensor ..................................................................................................................................... 90
17.5.4 About nighttime free cooling operation ........................................................................................................ 94
17.5.5 About the precool and preheat function....................................................................................................... 95
17.5.6 About preventing a feeling of draft................................................................................................................ 95
17.5.7 About 24-hour ventilation.............................................................................................................................. 95
17.5.8 About the ultra-low setting............................................................................................................................ 96
17.5.9 About the electrical heater operation ........................................................................................................... 96
17.5.10 About external linkage input.......................................................................................................................... 96
17.5.11 About filter contamination check .................................................................................................................. 96
18 Commissioning 97
18.1 Overview: Commissioning .............................................................................................................................................. 97
18.2 Checklist before commissioning ..................................................................................................................................... 97
18.3 Checklist during commissioning ..................................................................................................................................... 98
18.3.1 About the test run .......................................................................................................................................... 98
19 Hand-over to the user 99
20 Maintenance and service 100
20.1 Overview: Maintenance and service .............................................................................................................................. 100
20.2 Maintenance safety precautions .................................................................................................................................... 100
20.2.1 To prevent electrical hazards ......................................................................................................................... 100
20.3 Checklist for maintenance of the heat reclaim ventilation unit .................................................................................... 101
21 Troubleshooting 102
21.1 Overview: Troubleshooting ............................................................................................................................................ 102
21.2 Precautions when troubleshooting ................................................................................................................................ 102
21.3 Solving problems based on error codes ......................................................................................................................... 102