Table of Contents
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Contents
1
Introduction ................................................................................................................................................................. 6
1.1
Model code ........................................................................................................................................................... 6
1.2
Intended use / foreseeable misuse ....................................................................................................................... 7
1.2.1
Intended use .................................................................................................................................................7
1.2.2
Foreseeable misuse ......................................................................................................................................7
1.3
Modular design ..................................................................................................................................................... 7
1.4
Documentation ...................................................................................................................................................... 8
2
Safety instructions ..................................................................................................................................................... 9
2.1
CE-conformity / installation instructions for safe operation ................................................................................... 9
2.1.1
CE-conformity declaration according to Machinery Directive 2006/42/EC ....................................................9
2.1.2
Installation instructions for the proper installation in the building system ......................................................9
2.2
Indications for minimizing specific hazards ......................................................................................................... 10
2.2.1
General indications ..................................................................................................................................... 10
2.2.2
Refrigeration circuit ..................................................................................................................................... 12
2.2.3
ATEX units .................................................................................................................................................. 13
2.3
Staff selection and qualification........................................................................................................................... 14
3
Reception control / unloading / transportation to installation site....................................................................... 14
3.1
Reception control ................................................................................................................................................ 14
3.2
Unloading / transportation to installation location ................................................................................................ 17
3.3
Overlifting of AHU sections with crane lugs ........................................................................................................ 18
3.3.1
Control of weight limits of delivery sections ................................................................................................. 19
3.3.2
Necessary actions before lifting delivery sections with crane lugs .............................................................. 20
3.3.3
Mounting of crane lugs ................................................................................................................................ 22
3.3.4
Lifting of delivery sections with crane lugs .................................................................................................. 23
3.4
Overlifting of monoblocs ..................................................................................................................................... 24
3.4.1
Weight details for monoblocs ...................................................................................................................... 24
3.4.2
Lifting of monoblocs .................................................................................................................................... 25
3.5
3.6
Storage ............................................................................................................................................................... 28
4
Foundation / erection ............................................................................................................................................... 28
4.1
Foundation .......................................................................................................................................................... 29
4.2
Erection ............................................................................................................................................................... 30
4.2.1
Potential risks that may arise through the erection site ............................................................................... 30
4.2.2
Actions to prevent potential risks ................................................................................................................ 30
4.2.3
General indications for the erection ............................................................................................................ 31
Special guidelines for flat units - ceiling units ............................................................................................. 33
4.2.4
5
Assembly ................................................................................................................................................................... 35
5.1
Assembly of casing ............................................................................................................................................. 35
5.1.1
Actions before the assembly of casing ........................................................................................................ 35
5.1.2
Standard connections and connection components .................................................................................... 37
5.1.3
Detailed solutions and connection components .......................................................................................... 38
5.1.4
Assembly of delivery sections ..................................................................................................................... 39
5.1.5
Special features for roof units and device separations at wet areas ........................................................... 41
5.1.6
Cable gland ................................................................................................................................................. 43
5.2
Doors .................................................................................................................................................................. 45
5.3
Dampers ............................................................................................................................................................. 47
5.4
Filters .................................................................................................................................................................. 47
5.4.1
Laterally removable prefilters ...................................................................................................................... 47
5.4.2
Prefilters and / or bag filters in filter frame ................................................................................................... 49
5.4.3
Laterally removable bag filters with clamping mechanism .......................................................................... 49
5.4.4
HEPA filters ................................................................................................................................................. 50
5.5
Dampers with external gear wheels .................................................................................................................... 51
Hygienic AHU's ................................................................................................................................................... 51
5.6
6
Installation ................................................................................................................................................................. 51
6.1
Heat exchanger connection ................................................................................................................................ 52
6.1.1
General notes ............................................................................................................................................. 52
6.1.2
Steam heat exchanger ................................................................................................................................ 53
6.1.3
Plate heat exchangers for refrigeration circuits ........................................................................................... 54
6.2
Connection of indirect adiabatic cooling .............................................................................................................. 55
6.3
Condensate drain ................................................................................................................................................ 55
6.3.1
Standard siphons ........................................................................................................................................ 55
6.3.2
Ball siphons ................................................................................................................................................. 57
6.4
Duct connection .................................................................................................................................................. 58
6.4.1
Insulation of fresh air damper ...................................................................................................................... 59
6.5
Pumps ................................................................................................................................................................. 59
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