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Wolf WD-A, Operation & Maintenance Manual, Page: 13 / 24

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Wolf WD-A Operation & Maintenance Manual Download Page 13

13

07

13

AIR HEATER 

WD-A, WD-U

Switching Devices

7. Switchgear AC

 07.01 Switchgear, 2 speeds 400 V (motor 001)  

07.02  Automatic switchgear, 2 speeds 400 V (motor 001) 

Order no. 676 

Room thermostat

TK=Thermal contact

Motor

Power supply
Back-up fuse 
on site

5-core

9-core

If automatic restart after motor 
fault is required, insert bridge.

If automatic restart after motor fault 
is required, insert bridge.

Contact load 
max. 250V 1A

Servomotor

RT=Room thermostat

TK=Thermal contact

Motor

Power supply
Back-up fuse 
on site

5-core

9-core

4-core

5-core

9-core

4-core

Power supply
Back-up fuse 
on site

RT=Room thermostat

TK=Thermal contact

Motor

Order no. 670

Order no. 671 

Summary of Contents for WD-A

Page 1: ...AIR HEATER WD A WD U For Recirculating Air Mixed Air Outside Air for Wall and Ceiling Installation Operation Maintenance Translation of the original operating instruction ...

Page 2: ...2 2 AIR HEATER WD A WD U Certificates Declaration of incorporation Quality Assurance Declaration of conformity ...

Page 3: ...alve 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 6 Electrical connections 11 7 Switchgear AC 13 8 Commissioning 18 08 01 Motor connection 18 9 Maintenance 21 09 01 Warranty 21 09 02 Motor 21 09 03 Heat exchange...

Page 4: ...rator is obliged to operate the unit only when it is in perfect condition The unit may only be used for its intended purpose area of use The safety devices must be checked regularly for proper functioning The operating and maintenance instructions must always be kept available in a legible condition and complete at the place of use of the unit The personnel must be regularly instructed in all appl...

Page 5: ...res 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 ther...

Page 6: ...tion regulations e g UVV in Germany and to wear the necessary personal protective equipment 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 us...

Page 7: ...ing at the wall or ceiling must be effected with fixing elements dowels screws approved by the Building Supervisory Board For suspensions with larger distance additional flat irons can be ordered 05 04 Connection Pipes Order No 653 I Clamping range of the support claw 0 15 mm Order No 651 2 sheet brackets short Order No 653 D 475 mm in basic version 460 mm in basic version D B C E A E Order No 651...

Page 8: ... air in order to achieve a complete emptying frost protection 05 06 Motor Protection Louver The installation of the motor protection louver is necessary in case of higher heating media in order to protect the fan motor from overhea ting when it stands still The thermo contacts integrated in the motor would react and stop the motor Therefore use motor protection louver in case of high advance tempe...

Page 9: ...g thermal lift of the primary air stream especially during the heating up period can be opposed In choke position there are single air jets so that secondary air room air is mixed to the pri mary air stream Thus the air inlet primary air stream is increased and cooled in the core By the control device order No 678 the temperature difference between nominal and real value of the room tempe rature i...

Page 10: ...ng louver L to the requested blow out direction of the primary air stream and fix it with clamping device F 2 Adjustment of Choke Louver Open the box Adjust Nominal Value Potentiometer to left to 5 C Adjust the requested spread 1 10 by the internal knob Spread Spreizung Now the servo motor opens the choke louver D After about 2 3 minutes the position of the choke louver can be adjusted parallel to...

Page 11: ... core 9 core Fan motor 1 Fan motor 2 o X TK Thermal contact TK Thermal contact Switchgear 670 671 5 core 5 core 5 adrig Fan motor 1 Fan motor 2 o X TK Thermal contact TK Thermal contact Switchgear 685 52 54 E 7 core 7 core 7 core Fan motor 1 Fan motor 2 o X TK Thermal contact TK Thermal contact Switchgear 685 55 58D u 683 56D 58D Clip box and wiring to be provided by customer Attention Max number ...

Page 12: ... 52E 7 1 1 685 53E 15 3 3 1 685 54E 24 6 5 3 685 55D 5 2 1 685 56D 10 4 2 1 685 57D 20 8 5 2 685 58D 35 14 10 4 685 57ExD 2 2 2 2 Switchgear EC WD 10E WD 20E WD 30E WD 40E 690 EC 15 15 15 15 691 EC 15 15 15 15 692 EC 15 15 15 15 2 speeds Y circuit low speed Δ circuit high speed TK Thermal contact TOP Motor 001 Motor 003 brown blue black orange brown orange blue black white white red grey white whi...

Page 13: ... Back up fuse on site 5 core 9 core If automatic restart after motor fault is required insert bridge If automatic restart after motor fault is required insert bridge Contact load max 250V 1A Servomotor RT Room thermostat TK Thermal contact Motor Power supply Back up fuse on site 5 core 9 core 4 core 5 core 9 core 4 core Power supply Back up fuse on site RT Room thermostat TK Thermal contact Motor ...

Page 14: ...hermostat TK Thermal contact Order no 685 55 56 57 58 D U1 U2 11 12 14 1 2 3 6 7 250 V AC max 2A 250 V AC max 1A 4 5 L1 N M 1 U1 U2 11 12 14 N L L RT RT 250 V AC max 2A 250 V AC max 1A FS FS TK TK L1 N M 1 Power supply Back up fuse on site Power supply Back up fuse on site 3 adrig 3 adrig Order no 685 52 53 E FK Order no 685 54 E FK RT Room thermostat TK Thermal contact RT Room thermosta FS Frost ...

Page 15: ...Servomotor continuous 515 N L L 671 685 54 E 685 55 58 D 1 3 2 685 52 53 E 1 3 2 14 12 11 N L L 14 12 11 N L L 14 12 11 Servomotor On Off 517 13 14 21 22 13 14 21 22 707 ON OFF N 14 12 671 N 685 54 E 685 55 58 D 1 2 685 52 53 E 1 3 2 11 L 14 12 11 L 14 12 11 Servomotor 517 13 14 21 22 13 14 21 22 ON OFF Servomotor On Off 517 1 3 2 230 V 50 Hz 707 07 06 Switchgear with servomotor ON OFF 517 07 07 S...

Page 16: ...hermostat 681 682 682 I Contact 2 3 closed heating Contact 2 1 closed cooling Clock thermostat 684 1 Contact 1 3 closed heating Contact 1 2 closed cooling Power supply on site 230V Option Option Power supply on site 230V bzw 400V Bridge release in fan terminal box 24V or 10V to D1 if available Power supply on site 230V bzw 400V EC fan terminal box EC fan terminal box ext release frost protection B...

Page 17: ...ct 1 2 closed cooling Power supply on site 230V Option Option Option on site Damper actuator 517 Damper actuator 517 Option ext release frost protection Zu Zu Auf Auf Power supply on site 230V or 400V Damper actuator 515 Option Position transmitter 705 Option Bridge release in fan terminal box 24V or 10V to D1 if available EC fan terminal box Power supply on site 230V or 400V Switching fault signa...

Page 18: ...s full motor protection is only achieved with our switchgear No motor guarantee can be given when using third party products Attention The operator must have the equipotential bonding of the unit connected to the on site equipotential bonding system by a qualified electrician in accordance with the legal requirements standards and guidelines and ensure proper functioning Mounted equipotential bond...

Page 19: ... Condensate pump supply line Fan supply line 230V On Site Option Condensate pump Fan EC Motor EC Motor EC Motor Circuit diagram_2 Circuit diagram_3 Circuit diagram_4 Circuit diagram_1 KK EC Motor EC Motor Fan supply line 400V Fan fault signal L1 Fan L2 N Fan L3 Fan PE Fan NC Fan COM Fan NC Float COM Float L Pump N Pump brown blue blue blue black black grey red red blue yellow white brown red blue ...

Page 20: ...d by thermal contacts If the permissible temperature limit of 135 C is exceeded e g due to excessive ambient temperature heating up due to high heating medium temperatures these come into action and switch off the motor Work on electrical installations may only be carried out by a qualified electrician A repair switch must be fitted to each unit in order to be able to switch off all poles of the d...

Page 21: ... Remove dust deposits from time to time Attention All work on electrical connections and wiring must be carried out by a qualified electrician The applicable standards must be observed Any work is prohibited as long as the system has not been disconnected from the electrical power supply and secured against being switched on again repair switch can be shut off EC motors may still have a residual v...

Page 22: ...carrying connection lines must be removed by a qualified electrician Dismantling may only be carried out by qualified personnel The qualified personnel are obliged to comply with the general accident prevention regulations e g UVV in Germany and to wear the necessary personal protective equip ment e g breathing mask protective goggles protective clothing Furthermore all media carrying components m...

Page 23: ... 4 Remove the unit from the suspension Remove the M8 fastening screws on the side and remove the unit 5 Remove the air discharge damper and the rear panel with the fan by loosening the self tapping screws 6 Unscrew the sheet metal screws diagonally at the lateral corners and remove the outer casing halves in lateral direction Remove the heat exchanger 7 If necessary remove the motor with protectio...

Page 24: ...G Subject to modifications in design and function The latest version of the operating and maintenance instructions can be found at www wolf geisenfeld de downloads Mail info hlk wolf geisenfeld de Web www wolf geisenfeld de Phone 49 0 8452 99 0 Fax 49 0 8452 99 250 WOLF Anlagen Technik GmbH Co KG Münchener Str 54 85290 Geisenfeld GERMANY ...

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