1 General............................................................... 4
1.1 About this manual........................................ 4
1.2 Explanation.................................................. 4
1.3 Limitation of liability..................................... 5
1.4 Copyright..................................................... 5
1.5 Replacement parts...................................... 5
1.6 Liability for defects....................................... 5
1.7 Customer service......................................... 5
2 Safety.................................................................. 7
2.1 System owner's responsibility..................... 7
2.2 Personnel requirements.............................. 7
2.2.1 Qualifications............................................ 7
2.2.2 Unauthorised persons.............................. 8
2.3 Correct use.................................................. 8
2.4 Explosion protection.................................... 8
2.5 Personal protective equipment.................. 10
2.6 Specific hazards........................................ 11
2.7 Safeguards................................................ 12
2.8 Behaviour in the event of hazardous situa-
tions or accidents...................................... 13
2.9 Labelling.................................................... 13
3 Technical data.................................................. 15
3.1 Design versions......................................... 15
3.1.1 Type codes for roof fans......................... 15
3.1.2 Additional labelling................................. 15
3.2 Series........................................................ 15
3.2.1 Type DRH-Minivent/DRH........................ 15
3.2.2 Type DRV-Minivent/DRV........................ 15
3.2.3 Type DRVF............................................. 15
3.2.4 Type DRVF-H......................................... 16
3.2.5 BVD........................................................ 16
3.3 Connection values..................................... 16
3.4 Noise emission values............................... 16
3.5 Operating conditions................................. 17
3.5.1 Information on setting up fans that are
installed outdoors................................... 18
3.6 Operating modes....................................... 18
3.6.1 S1 continuous operation......................... 18
3.6.2 S9 speed-controlled operation............... 18
3.6.3 Smoke extract........................................ 19
3.7 Rating plate............................................... 19
4 Parts and function........................................... 21
4.1 Overview.................................................... 21
4.2 Brief description......................................... 21
4.3 Description of the sub-assembly............... 21
4.3.1 Casing.................................................... 21
4.3.2 Impeller................................................... 21
4.3.3 Fixing...................................................... 22
4.3.4 Actuator.................................................. 22
4.3.5 Additional equipment for roof fans.......... 22
5 Transport, packaging and storage................. 25
5.1 Safety notes regarding transport............... 25
5.2 Checking delivered goods......................... 25
5.3 Packaging.................................................. 25
5.4 Symbols on the packaging........................ 25
5.5 Factory settings......................................... 26
5.6 Transport................................................... 26
5.7 Storing packages....................................... 27
6 Installation and commissioning..................... 28
6.1 Safety........................................................ 28
6.2 Installation................................................. 29
6.2.1 Assembly of the fan................................ 29
6.2.2 Assembly of the flexible connector......... 31
6.3 Commissioning.......................................... 31
6.3.1 System with inductor/return smoke con-
trol dampers........................................... 31
6.3.2 Multiple fan operation............................. 31
6.3.3 Explosion-proof fans............................... 32
7 Operation.......................................................... 33
7.1 Safety........................................................ 33
7.2 Stopping in an emergency......................... 33
8 Faults................................................................ 34
8.1 Safety........................................................ 34
8.2 List of faults............................................... 36
8.3 Commissioning once a fault has been rec-
tified........................................................... 38
9 Maintenance..................................................... 39
9.1 Personnel requirements............................ 39
9.2 Safety........................................................ 39
9.3 Maintenance.............................................. 40
9.3.1 Use of monitoring systems..................... 41
9.4 Maintenance.............................................. 41
9.4.1 Lubrication.............................................. 41
9.4.2 Replacing the motor bearings................ 41
9.5 Repair........................................................ 42
9.5.1 Replacing the impeller and electric
motor...................................................... 42
9.6 Measures following maintenance work..... 42
10 Decommissioning............................................ 43
10.1 Safety...................................................... 43
10.2 Disassembly............................................ 43
10.3 Disposal................................................... 43
11 Lists of replacement parts.............................. 44
12 Index................................................................. 45
Appendix.......................................................... 47
A Commissioning report.................................. 48
B Maintenance report...................................... 50
C Tables........................................................... 53
D Installation manuals..................................... 55
Table of contents
Centrifugal roof fans DRH; DRV; DRVF; DRVF-H; BVD; BVD(F600) 3
