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EN/05.2019 © STULZ GmbH – all rights reserved
CYBERHANDLER 2 INSTALLATION, OPERATION AND MAINTENANCE MANUAL
Customer-specified, non-standard features or design variations may not be described
in this manual. Refer to the installation and/or electrical drawings supplied with your
unit for details on additional feature(s). In some cases, an addendum to this manual
may be provided to further describe the feature(s).
4 2
Air Handling Unit design
General design:
1 Outdoor damper
Frame and blades are made of aluminium.
2 Filters, outdoor side
Bag filters are used ensure a pressure loss as low as possible.
3 Double Air-to-Air plate heat exchanger
The casing is made of galvanized steel with epoxy coating and the fins are made of aluminium with
a special coating making it more resistant to aggressive water.
4 Adiabatic system
4a: Water pump: centrifugal type.
4b: Spray Nozzles: full water cone type, made of stainless steel.
5 Compressors
Compressors used in Cyberhandler 2 units with DX system (DX Top-up and DX Redundant) are
scroll compressors.
These units are equipped with one inverter compressor and depending on the required cooling
capacity, one or 2 ON/OFF compressors can be added.
6 Cooling coil
The cooling coil can be either a direct expansion coil (DXT and DXR configurations) or a chilled
water coil (CWT/CWR configuration). For the units with ADB configuration, there is no cooling coil
installed inside the unit.
OA: Outdoor Air
SA: Supply Air
EA: Exhaust Air
RA: Return Air
Fig 4.1: View of a CH2-DXT-SH/RH
Climatizadores · Condensadores · Aero-refrigeradores · Fan Coils ·Baterias
Air Handlers · Condensers · Dry-Coolers · Air-heaters · Coils
4.2 Air Handling Unit design
N
ew text to insert in the IOM manual (replacing the current text, p.10-12)
:
Customer-specified, non-standard features or design variations may not be
described in this manual. Refer to the installation and/or electrical drawings
supplied with your unit for details on additional feature(s). In some cases, an
addendum to this manual may be provided to further describe the feature(s).
General design:
Fig 4.1: View of a CH2-DXT-SH/RH
OA: Outdoor Air
SA: Supply Air
EA: Exhaust Air
RA: Return Air
1. Outdoor damper
Frame and blades are made of aluminium.
OA
SA
RA
EA
1
3
2
4a
5
11
12
13
14
15
9
8
7
6
4b
16
10
3
