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2016.09 

 

  3 / 28

 

1.  INTRODUCTION 

Installation,  Operation  and  Maintenance  Instruction  concerns  VHR  DX  heat  pump  heat  recovery  units 
manufactured  by  VENCO.  It  consists  of  basic  information  and  recommendation  concerning  the  design, 
technical specifications, installation, operation and maintenance of the heat pump heat recovery unit which 
shall be obeyed to ensure proper operation of the unit. The key to proper and safe operating of the unit, read 
thoroughly this instruction, use the unit according to guidelines given in it and follow all safety requirements. 
The instruction should always be in proximity of the unit and within easy reach of the service technician.  

 

 

 

 

 

 

2.  HEAT RECOVERY UNITS and VHR MODELS  

VENCO Heat Recovery Units are classified 8 different models; VHR 05 DX 

– 07 DX – 10 DX – 15 DX -     20 

DX 

– 21 DX – 30 DX – 40 DX (Figure 2.1.). In all models, the housing is made from epoxy coated galvanized 

sheet metal and the cabinet is fully insulated for sound and heat isolation.  

 

 

Figure 2.1.1 VENCO VHR DX HEAT PUMP HEAT RECOVERY UNIT 

 

READ THE INSTRUCTION BEFORE START-UP THE UNIT and KEEP THE MANUAL 
CLOSE TO THE UNIT FOR EASY REACH OF SERVICE TECHNICIAN. 

 

THE UNIT MUST BE OPERATED  APPROPRIATE  APPLICATIONS FOR PURPOSES  
DESIGN AND TECHINICAL SPECIFICATIONS OTHERWISE THE REPONSIBILITY OF 
ANY PROBLEM WILL NOT BE  IN WARRANTY TERMS 

 

THE  UNIT  MUST  NOT  USED  IN  THE  ENVIROMENTS  WHERE  CORROSION  and 
EXPLOSIVE GAS EXIST 

 

 

THE  APPLIER  WILL  BE  RESPONSIBLE  FOR  DEFECTS  OCCURED  DUE  TO 
OPERATING  THE  UNIT  BY  NOT  AUTHORIZED  PERSON  or  USING  THE  SPARE 
PARTS WHICH ARE NOT ORIGINAL. 

Summary of Contents for VHR 05 DX

Page 1: ...NANCE INSTRUCTION HEAT PUMP HEAT RECOVERY UNITS VHR MODELS VENCO Havaland rma ve Makina San ve Tic A 2004 Cad No 5 45400 OSB Turgutlu MANISA TURKEY Tel 0 236 332 5070 Fax 0 236 332 5030 www venco com...

Page 2: ...rage 7 5 3 Installation 8 Figure 5 3 1 Connection Schema 8 Figure 5 3 2 Installation Schema 8 Figure 5 3 3 Installation Schema 9 6 CONNECTIONS 10 6 1 Duct Connections 10 Figure 6 1 1 In Free Outlet 10...

Page 3: ...nicians 16 9 4 General Hazards Prevention 16 Table 9 4 1 General Hazards 16 10 START UP AND OPERATING 17 10 1 Commissioning 17 10 2 Operating 17 11 ELECTRONIC CONTROLLER BOARD 19 11 1 DX Controller 19...

Page 4: ...Y UNITS and VHR MODELS VENCO Heat Recovery Units are classified 8 different models VHR 05 DX 07 DX 10 DX 15 DX 20 DX 21 DX 30 DX 40 DX Figure 2 1 In all models the housing is made from epoxy coated ga...

Page 5: ...controller Fresh air fan stop running 30 seconds after to cool the electrical heater when the unit switch off DX controller has a protection system optional against the frost formation at the temperat...

Page 6: ...Volt 50Hz 400 Volt 50 Hz Fan Absorbed Power W 2x102 2x155 2x225 2x515 2x515 2x550 2x550 2x1400 Cooling Compressor Absorbed Power W 1050 1050 1400 2250 2800 2800 3410 4640 Total Absorbed Power W 1254 1...

Page 7: ...1375 1525 1650 1650 Height mm H 390 440 440 460 610 610 735 735 Duct Connection mm d 200 200 250 300 355 355 400 450 Weight kg 89 112 165 263 300 325 420 520 Dimensions mm W1 180 180 225 300 300 320...

Page 8: ...landing heat recovery units are damaged especially due to wrong methods usage Appropriate lifting methods should be used in order to minimize any possible damage Trans pallet or forklift can be used f...

Page 9: ...ill cause a problem There should be sufficient amount of place around the unit to be able to give service and for piping connections Heat recovery units should be assembled onto a hard and flat base D...

Page 10: ...2016 09 9 28 Figure 5 3 3 Installation Schema Fan service cover Model 1 Filter service cover Fan service cover Model 2 Filter service cover...

Page 11: ...portant when the applications for orifice and distributor which use laminar method for pressure calculation Turbulence causes increasing the pressure loses Figure 6 1 1 Figure 6 1 1 In Free Outlet It...

Page 12: ...described left side 6 3 Electrical Connections The electrical materials cables and all relevant control and remote control equipment should be chosen and designed suitable to unit requirements All th...

Page 13: ...n possible dangers and precautions Never expose the unit to moisture strokes and external effects Don t use your products in explosive and corrosive conditions The unit should be maintained by trained...

Page 14: ...START UP Please make sure that all electricity cables are made according to EN 60204 1 standards and security and protection units belong to all elements Please make sure that all parts of the unit ar...

Page 15: ...owever it is advised to change synthetic filters every two years 8 3 Heat Recovery Exchanger Is controlled before transportation The plates of heat recovery exchanger should be checked after transport...

Page 16: ...Heat Recovery Ventilation units as well as providing energy savings has been designed to achieve a high quality of indoor air Use for other purposes is deemed as illegal In such cases the user will b...

Page 17: ...utting Into Operation Maintenance For the continuity of the warranty control and maintenance responsibilities have to be accepted and followed strictly You can apply to VENCO A S to train your authori...

Page 18: ...carefully After switching on the unit the sound should be listened Motor current values should be checked with label values whether it is appropriate 10 2 Operating After maintenance and service manu...

Page 19: ...or questions about the changes during periodic observations you can contact VENCO or other competent adviser Make the fan stop until to fix if any vibration appears at fan The changes of sound level a...

Page 20: ...on the control keys are given in the following template Figure 11 1 1 DX Controller Table 11 1 1 DX Key Pads Controls Button Name Description ON OFF Unit will be ON or OFF MODE Select Running Status C...

Page 21: ...ller can perform device ON OFF from the dry contact information it gets from the building automation system or similar system VRV VRF controller timer etc By a dry contact on the relay card connected...

Page 22: ...lure by an authorized service 13 COMMISSIONING AND START UP Turn off the fan before check the fan and system During maintenance the electrical connection of the unit should be stopped completely All s...

Page 23: ...2016 09 22 28...

Page 24: ...not closed or duct connections are not completed Check the doors and duct connections HIGH AIR FLOW Duct resistance is very low than expected Check and compare the external static pressure according t...

Page 25: ...ontrol and cleaning done by the user Users must contact with VENCO for the faults They identify during the maintenance or commissioning operation Contact the information s given below for your service...

Page 26: ...2016 09 25 28 15 APPENDIX 15 1 DHR DX 3 0 Electrical Wiring Diagram 5 7 10 15 20 21 30 DX...

Page 27: ...2016 09 26 28 15 2 DHR DX 3 0 Electrical Wiring Diagram 40 DX...

Page 28: ...2016 09 27 28 15 3 DHR DX 3 1 PRO Electrical Wiring Diagram 40 DX...

Page 29: ...olt 50 Hz 20A VHR 20 DX 3820W 230 volt 50 Hz 25A VHR 21 DX 3820W 230 volt 50 Hz 25A VHR 30 DX 5986W 400 volt 50 Hz 3X16A VHR 40 DX 8400W 400 volt 50 Hz 3X16A Wiring MODEL Cable section mm 1 5 2 5 4 6...

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