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NT_51897201_RHE-AN_130516.docx
RHE – Dual Flow Air Handling Unit with Rotating Heat Exchanger
1.
GENERAL ................................................................................................................................................................ 4
Warnings ............................................................................................................................................................ 4
1.1
Safety instructions ............................................................................................................................................. 4
1.2
Acceptance – Storage ....................................................................................................................................... 5
1.3
Warranty ............................................................................................................................................................ 5
1.4
2.
PRODUCT RANGE PRESENTATION ................................................................................................................... 5
Range ................................................................................................................................................................ 5
2.1
Main components .............................................................................................................................................. 6
2.2
3.
INSTALLATION ....................................................................................................................................................... 8
Machine identification / Symbols ..................................................................................................................... 8
3.1
Dimensions and weight ..................................................................................................................................... 9
3.2
Handling ........................................................................................................................................................... 11
3.3
Placement and anchoring ............................................................................................................................... 11
3.4
4.
HYDRAULIC CONNECTION ................................................................................................................................. 13
Water coils connection .................................................................................................................................... 13
4.1
Valves connection ........................................................................................................................................... 14
4.2
5.
AIR DUCT CONNECTION ..................................................................................................................................... 15
Ducts connection ............................................................................................................................................. 15
5.1
Accessories connection .................................................................................................................................. 15
5.2
6.
ELECTRIC CONNECTION .................................................................................................................................... 16
Electrical data .................................................................................................................................................. 16
6.1
Internal electrical box – composition / connection .......................................................................................... 18
6.2
Display (ETD) control connection ................................................................................................................... 19
6.3
Inputs – outputs ............................................................................................................................................... 20
6.4
External components connection drawings (examples) ................................................................................ 22
6.5
Synoptic installation diagrams (examples) ..................................................................................................... 25
6.6
7.
COMMISSIONING .................................................................................................................................................. 27
8.
CONTROL - FUNCTIONS / PARAMETERS ........................................................................................................ 28
Simplified menus / Accesses .......................................................................................................................... 28
8.1
Constant airflow operation (CAV) ................................................................................................................... 31
8.2
Variable airflow operation (VAV) ..................................................................................................................... 32
8.3
Constant pressure operation (COP) ............................................................................................................... 33
8.4
Constant supply air temperature maintenance .............................................................................................. 34
8.5
Constant ambient temperature maintenance ................................................................................................. 34
8.6
Temperature set point adaptation vs. outdoor temperature .......................................................................... 34
8.7
Initial temperature setpoint .............................................................................................................................. 34
8.8
Time programming .......................................................................................................................................... 35
8.9
Force operation ............................................................................................................................................... 36
8.10
Free Cooling by night ...................................................................................................................................... 37
8.11
Antifreeze hot water coil protection ................................................................................................................. 37
8.12
External input for fire mode ............................................................................................................................. 37
8.13
Airflow measurement – change of coefficient K ............................................................................................. 38
8.14
Centralized Technical Control (GTC) connection .......................................................................................... 38
8.15
Failure list ......................................................................................................................................................... 39
8.16
9.
MAINTENANCE ..................................................................................................................................................... 40
Preliminary precautions ................................................................................................................................... 40
9.1
Servicing frequency ......................................................................................................................................... 40
9.2
Servicing / replacement of the fresh air / extracted air filters ......................................................................... 41
9.3
