1 Overview ........................................................... 6
2 Safety ................................................................ 7
2.1 System owner's responsibility ................... 7
2.2 Personnel requirements ............................ 7
2.3 Personal protective equipment .................. 8
2.4 Residual risks ............................................ 9
2.5 Behaviour in the event of hazardous situa-
tions or accidents .................................... 10
2.6 Replacement parts ................................... 11
3 Transport and storage ................................... 12
3.1 Delivery of the air handling unit ............... 12
3.1.1 Complete and partial units .................... 12
3.1.2 Symbols on the packaging ................... 12
3.2 Delivery check ......................................... 12
3.3 Moving packages .................................... 13
3.3.1 Safety notes regarding transport .......... 13
3.3.2 Moving packages with a forklift or pallet
truck ...................................................... 14
3.3.3 Moving packages with a crane ............. 15
3.4 Storing packages ..................................... 20
3.5 Unpacking ............................................... 20
4 Setup and assembly ...................................... 22
4.1 Safety instructions ................................... 22
4.2 Installation location, requirements ........... 23
4.2.1 Requirements for indoor installation ..... 23
4.2.2 Requirements for outdoor installation ... 24
4.3 Preventing vibration and structure-borne
noise ........................................................ 25
4.4 Setting up and assembling the air han-
dling unit .................................................. 25
4.4.1 Setting up the AHU or AHU casing units
............................................................... 25
4.4.2 Assembling AHU casing units .............. 26
4.4.3 Additional assembly steps for outdoor
units ...................................................... 29
4.4.4 Connecting the ductwork ...................... 31
4.4.5 Installing accessories ........................... 32
5 Installation ...................................................... 33
5.1 Safety notes regarding installation .......... 33
5.2 Before installation .................................... 34
5.3 Sizing and connecting the condensate
drain ........................................................ 34
5.4 Connecting the heating coil/cooling coil
.................................................................. 37
5.5 Connecting the run around coil system
.................................................................. 38
5.6 Connecting the air handling unit to the
power supply ........................................... 40
5.6.1 Electrical connection ............................ 41
5.6.2 Connecting multileaf dampers .............. 41
5.6.3 Fans used with a frequency inverter .... 42
5.6.4 Equipotential bonding ........................... 43
5.6.5 Lightning protection for outdoor units ... 43
5.7 Integrating the air handling unit with the
central BMS ............................................. 43
6 Initial commissioning .................................... 44
6.1 Safety notes regarding initial commis-
sioning ..................................................... 44
6.2 Before initial commissioning .................... 44
6.3 Setting up and adjusting AHU casing units
.................................................................. 45
6.3.1 Inspection access doors ....................... 45
6.3.2 Centrifugal fan ................................. 46
6.3.3 Filter .............................................. 48
6.3.4 Heating coil/cooling coil .................. 49
6.3.5 Run around coil system ..................... 50
6.3.6 Multileaf dampers .............................. 51
6.3.7 Sound attenuator ........................... 52
6.3.8 Plate heat exchanger ........................ 52
6.3.9 Electrical system ................................... 53
6.4 Starting the air handling unit .................... 53
6.4.1 Before you start the AHU ..................... 53
6.4.2 Starting ................................................. 53
7 Removal and disposal ................................... 54
7.1 Safety notes regarding disassembly and
disposal ................................................... 54
7.2 Disassembly ............................................ 56
7.3 Disposal ................................................... 56
8 Glossary.......................................................... 57
9 Index................................................................ 58
Appendix......................................................... 60
A Supplier documents ................................... 61
A.1 Ziehl-Abegg RH..C / ER..C fan ............... 61
A.2 Nicotra Gebhardt RLM... fan ................... 74
A.3 Hoval ..................................................... 123
A.4 GEA pocket filter ................................... 126
A.5 EMW compact filter ............................... 129
A.6 Briem MD201 MB E 4301 Atex differential
pressure gauge ..................................... 132
A.7 Actuators ............................................... 134
A.8 Anti-frost thermostat .............................. 143
A.9 Pressure switch/Differential pressure
switch .................................................... 147
A.10 Pressure sensors ................................ 154
Table of contents
Air handling unit X-CUBE Ex 5