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Varistar LHX 3 

   60130-626 Revision 001 

 
Contents 

 

Page 

 
 
1. 

Description of the Air/Water Heat Exchanger (LHX 3) 

  

 

1.1 

Principle 

of 

Operation 

         4 

1.2 

Controls 

 

 

 

 

 

 

 

 

 

 

 

1.3 Benefits 

 
 
2. 

Regulations 

Safety 

Notices 

       5 

 
 
3. 

LHX 

Technical 

Data 

        6 

3.1 

Performance 

Curves 

         7 

 
 
4. 

Water Quality 

 

 

 

 

 

 

 

 

 

 
 
5. 

Transport 

and 

Storage 

        8 

 
 
6. 

Assembly 

 

          9 

6.1 

Removing the LHX 3 from the wooden pallet 

 

 

 

 

 

6.2 

Removing and rotating the LHX 3 heat exchanger cassette 

 

 

 

10 

6.3 

Fitting 

the 

fan 

unit 

         11 

6.4 

Water 

supply 

          12 

6.4.1 

Water 

supply 

from 

rear 

        12 

6.4.2 

Water 

supply 

from 

front 

        12 

6.5 

Drainage 

of 

condensate 

        13 

 
 
7. 

Decommissioning 

         14 

 
 
8. 

Environmental 

Requirements 

       14 

 
 

9. 

Malfunctions 

and 

Troubleshooting       15 

 
 
10. 

Maintenance 

and 

Servicing        16 

 
 
11. 

Conditions 

of 

Warranty 

        17 

11.1 Warranty 

term 

 

 

 

 

 

 

 

 

 

 

17 

11.2                 Scope of fault correction under warranty 

 

 

 

 

 

 

17 

11.3                 Exclusions from warranty 

 

 

 

 

 

 

 

 

17 

11.4                 Making a claim under the warranty   

 

 

 

 

 

 

17 

 
 
12. 

EC Declaration of Conformity as defined in EC Guidelines 

 

 

 

18 

Summary of Contents for VARISTAR LHX 3

Page 1: ...LHX 3 60130 626 Revision 001 1 OPERATING MANUAL VARISTAR LHX 3 Air Water Heat Exchanger V A R I S T A R Schroff GmbH Climate Control Langenalber Strasse 96 100 D 75334 Straubenhardt Telephone 49 0 70...

Page 2: ...not accept liability for any damages arising directly or indirectly from the supply or use of this documentation Signs and Symbols Throughout this operating manual the notices below are identified by...

Page 3: ...ving and rotating the LHX 3 heat exchanger cassette 10 6 3 Fitting the fan unit 11 6 4 Water supply 12 6 4 1 Water supply from rear 12 6 4 2 Water supply from front 12 6 5 Drainage of condensate 13 7...

Page 4: ...s warmed by extracting heat from the air and flows back to the cooling water circuit Meanwhile the air now cooled is reintroduced into the cabinet from below General Remarks for Effective Cooling An e...

Page 5: ...BE PROPERLY SECURED TO AVOID RISK OF TIPPING NO SAFETY FEATURE MAY BE DISABLED OR BYPASSED THE APPLICABLE VDE EN AND IEC STANDARDS MUST BE OBSERVED IN THE ELECTRICAL FITTING AND CONNECTION OF THE LHX...

Page 6: ...circuit Airflow volume m3 h 900 Electrical data AC Supply voltage 1 N PE 230 V 50 60 Hz Current consumption A 0 38 Power consumption W 85 Apparent power consumption at full load VA 120 Protection fuse...

Page 7: ...18 19 Water inlet temperature C Cooling capacity kW LHX3 17 5 18 18 5 19 19 5 20 20 5 2 3 2 4 2 5 2 6 2 7 2 8 2 9 3 Cooling capacity kW at a water inlet temperature of 10 C Cabinet air inlet temperat...

Page 8: ...arance clear sediment free Colour clear 5 Transport and Storage Any damage found on unpacking should be communicated to the carrier and the transport insurer immediately During transport ambient tempe...

Page 9: ...IDENT PREVENTION REGULATIONS MUST BE OBSERVED 6 1 Removing the LHX 3 from the wooden pallet At delivery the base of the LHX 3 is secured to a wooden pallet To remove this first unscrew the covers to f...

Page 10: ...to change the water connection points from the rear to the front first remove the heat exchanger cassette Also remove the transport securing bracket Fig 3 Now you can pull the heat exchanger cassette...

Page 11: ...ning of the handles on the heat exchanger please consult the Schroff service department for assistance For contact information see page 2 6 3 Removing the Fan Unit Caution While removing or working on...

Page 12: ...fening truss in order to reach the two water connections Figs 10 13 6 4 2 Water supply from front If you have arranged the cassette facing forward this is unnecessary and you can reach both water conn...

Page 13: ...drainage of condensed water remove the rubber cap and fit a hose connecting pipe diameter 6 mm to the condensate drain outlet Figs 15 and 16 The hose is not included with the unit The LHX 3 is normall...

Page 14: ...LHX 3 from system case connector A collecting vessel should be to hand to catch any leakage of water 8 Environmental Requirements During the commissioning and decommissioning of the LHX 3 the applicab...

Page 15: ...6 Revision 001 15 9 Malfunctions and Troubleshooting WORK ON ELECTRICAL SYSTEMS MUST ONLY BE CARRIED OUT BY QUALIFIED PERSONNEL ACCIDENT PREVENTION REGULATIONS MUST BE OBSERVED See page 2 for our curr...

Page 16: ...ORK ON ELECTRICAL SYSTEMS MUST ONLY BE CARRIED OUT BY QUALIFIED PERSONNEL ACCIDENT PREVENTION REGULATIONS MUST BE OBSERVED ISOLATE THE LHX 3 FROM THE MAINS SUPPLY BEFORE OPENING May only be carried ou...

Page 17: ...ly excluded 11 3 Exclusions from the warranty Units that have been opened or modified without authorisation or whose serial number has been falsified altered or removed Damage or malfunctions caused b...

Page 18: ...bove EC Guidelines by Schroff GmbH Langenalber Stra e 96 100 D 75334 Straubenhardt Germany The following harmonised standards were applied Safety requirements to EN 61010 1 03 2001 Earthing connection...

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