Wolf WD-A 100, WD-A 400, WD-A 200, WD-A 300 Operation & Maintenance Manual
Heizung - Lüftung - Klimatechnik
Heating - Ventilation - Air Conditioning
Operation & Maintenance
Air Heater
WD-A, WD-U: For Recirculating Air, Mixed Air, Outside Air
for Wall and Ceiling Installation
Air Heater WD-A, WD-U
Certificates
Qualitätssicherung
Quality Assurance
2012
2
01
01
Air Heater WD-A, WD-U
Contents
Contents
02 Proper Use ..........................................................4
03 Safety ..............................................................5
04 Goods Acceptance..................................................... 6
04.01 Transport Damages ........................................................6
04.02 Indications to Packing (non-returnable) ..........................................6
05 Montage ............................................................6
05.01 Fixing ..................................................................6
05.02 Roof Safeguarding .........................................................7
05.03 Wall and Ceiling Assembly ...................................................7
05.04 Connection Pipes ..........................................................7
05.05 Ventilation Valve and Emptying Cock ...........................................8
05.06 Motor Protection Louver ....................................................8
05.07 Lamellae Adjustment, manual .................................................9
05.08 Lamellae Adjustment, automatic ...............................................9
05.09 Lamellae Adjustment, automatic – Adjustment, Function ............................10
05.10 Adjustment Choke Louver with Servo-Motor .....................................10
06 Switching Devices.................................................... 11
06.01 Max. Number of WD-A Machines on one Switching Device ...........................11
06.02 Repair Switch ...........................................................11
06.03 Switching Device, 2 Rotational Speeds 400 V ( Motor 001 ) ..........................12
06.04 Automatic Switching Device, 2 Rotational Speeds 400 V ( Motor 001 ) ...................12
06.05 5-Step-Switching Device, 5 Rotational Speeds 400 V ( Motor 001 ) .....................13
06.06 5-Step-Switching Device, 5 Rotational Speeds 230 V ( Motor 003 ) .....................13
06.07 5-Step-Switching Device, 5 Rotational Speeds and
Additional Device for Motor 002, 400 V ( Motor 002 ) ..............................14
06.08 Cold Conductor Release ....................................................14
06.09 Control Device for Energy-Saving Louver and Air Distributor 400 V .....................14
06.10 Switching Devices with Room Thermostat Connection ..............................15
06.11 Switching Devices Servo-Motor continuous 515 ...................................15
06.12 Switching Devices with Servo-Motor Open/Closed 517 .............................15
06.13 Switching Devices with Control Device 707 and Servo Motor Open/Closed 517 ............16
06.14 Energy-saving Louver with Control Device 707 and Servo-Motor Open/Closed 517 .........16
07 Commissioning ......................................................16
07.01 Motor Connection ........................................................16
08 Maintenance ........................................................18
08.01 Warranty ...............................................................18
08.02 Motor .................................................................18
08.03 Heat Exchanger ..........................................................18
08.04 Air Filter ...............................................................18
09 Stopping Procedure, Dismantling ........................................ 19
09.01 Stopping Procedure .......................................................19
09.02 Dismantling and Elimination .................................................19
3
3
02
Air Heater WD-A, WD-U
Proper Use
02 Proper Use
Decentral Air Heater for Ventilation and Air-Conditioning of
Offices
•
Meeting and Exhibition Rooms
•
Lounges
•
Industrial and Production Companies
•
Greenhouses
•
Sales Rooms, Supermarkets, Shopping Centres
•
WD-A Units are suitable for
Supply of air which is
dust-free
•
without pollutants
•
non-aggressive
•
not developing corrosion
•
incombustible
•
Preparation of Air for
Filtering
•
Heating
•
As well as acc. to the operating parameters determined in the quotation and orders and
on the identification plates, like
media temperatures, media pressure (air, water, refrigerant, vapour etc.)
•
air humidity
•
Any deviations must be agreed with and approved by the manufacturer.
RLT-machines for supplying combustible or explosive gases, vapours, mists or dusts must especially be rated.
Without respective remark in our technical ratings, standard air heaters must not be operated in
these danger zones.
4014
03
Air Heater WD-A, WD-U
Safety
03 Safety
The authorized specialized staff charged with
must be informed about the observance of these operating instructions without starting work.
Non-observance of the operating instructions can endanger the persons charged with this work and can damage the
machine.
Attention!
Work on air heaters must be started or done only when the following functions are fulfilled:
assembly
•
commissioning
•
maintenance
•
Repair switches fixed at the machine are connected to the circuit
•
Power supply is dead on all poles
•
Power-operated, rotating parts are secured against re-starting (repair switch lockable)
•
standstill of the rotating parts
•
machine components have cooled down to normal ambient temperatures (room temperature)
•
Attention!
Only qualified, specialized staff must be charged with work on electric components.
The local EVU- and VDE-regulations have to be observed.
The RLT-machine must not be modified nor added, since otherwise the manufacturer’s
conformity declaration will expire!
Symbols:
Opposite symbol is indicated in the operating instructions at any place
where in case of non-observance
there is danger to life and limb of persons
•
damages of the machine can occur.
•
Opposite symbol is indicated in the operating instructions at any place
where there is danger from electric components.
Opposite symbol is indicated in the operating instructions at indications
which must not be realized.
Opposite symbol in the operating instructions indicates guidelines or cross-references
which are important for the operation of the RLT-plant.
Opposite symbol in the operating instructions indicates
information or application tips.
5015
04
Air Heater WD-A, WD-U
Goods Acceptance
04 Goods Acceptance
04.01 Transport Damages
Unpack the goods in the driver’s presence and check them acc. to our delivery note regarding completeness
and damage. Transport damages must be confirmed by forwarder (date and signature). Later complaints will be
refused by forwarding insurances.
04.02 Indications to Packing (non-returnable)
The packing is a mere transport packing. Its quantity has been reduced to the indispensable minimum in order to be
able to transport and unload the high-grade parts without damage.
The material can be completely recycled and thus can be given to reutilization. The elimination costs now as before
have to be borne by the consignee of the goods.
As an alternative, it is possible to return the packing material to us. The transport costs have to be borne by the
consignee of the goods. Please note that the packing material must not be contaminated and must be brought
separated in groups.
05 Montage
05.01 Fixing
The units have to be fixed at the wall (to be provided by customer) with fixing material approved by the Building
Supervisory Board (dowels, screws) acc. to the wall construction. Weights of the respective unit combination
cf. WD-A-catalogue.
Unit assembly with
sheet bracket Order No. 650 (for wall and ceiling when using
•
the motor protection louver => page 8)
sheet brackets Order No. 651 (for wall and ceiling)
•
ceiling suspension Order No. 6531 + D (ceiling).
•
The supplied suspension devices have got spezial sockets.
Bracket fixing at the unit:
1. Loosen hexagonal screws on one side ~3 mm.
2. Insert sheet bracket or ceiling suspension with large boring
by hexagonal screws and pull it towards the back, so that
screw is in the small slot.
3. Press washer to the WD-A-housing .
4. Tighten firmly hexagonal screw .
Unit assembly with accessories without sheet brackets,
ceiling suspension.
When using the following accessories, the unit can be fixed without sheet brackets or ceiling suspension.
511 - Mised air part
521 - Recirculating air part
530 - Außenluftteil
541 - Filter part
Connection of Unit Parts (Accessories) Glue one sealing strip 12 x 6 mm to one frame profile of each connection
flange.
= sheet screw 6,3 x 13
= hexagonal screw M 6 x 16,
with washer, spring washer and nut.
1
2
3
4
Attention:
When using accessories, outside air operation is possible, so:
Provide an anti-frost thermostat at the heat exchanger.
•
All ducts transporting outside air must be insulated inside the building on the outside in order to avoid deposit
•
of moisture.
6016
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