162528 | A001
Contents
1 Overview ......................................................1
1.1 Intended use .........................................1
1.2 Disclaimer ............................................1
1.3 Warranty..............................................1
1.4 EU Declaration of Conformity ....................2
2 Warnings.......................................................3
3 Product description..........................................3
3.1 Internal components ...............................3
4 Duct connections.............................................7
4.1 Topvex SC.............................................7
4.2 Topvex TC.............................................8
5 Access control cabinet......................................9
6 Maintenance ...... ............. ........... ........... ....... 10
6.1 Maintenance intervals ........................... 10
6.2 How to replace supply/extract air
filter..................................................11
6.3 How to clean the heat exchanger............. 11
6.4 How to clean the fans ........................... 12
6.5 How to clean hot water heating
battery ..............................................12
6.6 How to clean the electrical heating
battery ..............................................13
6.7 Where to reset tripped fuses................... 13
6.8 How to reset the manual overheat
protection (EL units).............................. 14
6.9 How to replace the fan module................ 15
6.10 How to replace the heat
exchanger .......................................... 15
6.11 How to change the internal battery in
CU27–C..............................................20
6.12 How to clean the extract air louvres and
inlet diffusers ...................................... 20
6.13 Clean the outdoor air intake.................... 20
6.14 How to clean the duct system ................. 20
7 Troubleshooting............................................ 21
8 Alarms........................................................22
8.1 Alarm list............................................ 22
9 Service .......................................................23
10 General conditions......................................... 23
10.1 Standard tools .................................... 23
10.2 Reference documentation ...................... 23
11 Spare parts .................................................. 23
