Table of Contents
Summary of Contents for schroff VARISTAR LHX 3
- Page 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 82 794-0 Varistar LHX 3 60130-626 Revision 001...
- Page 2 Schroff GmbH reserves all rights to this documentation, in particular the right to reproduce, distribute and translate this document. This also applies in cases of patent and trademark rights. No part of this documentation may be reproduced, processed, copied or distributed by either conventional or electronic means without the prior written consent of Schroff GmbH.
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Page 3: Table Of Contents
Maintenance and Servicing Conditions of Warranty 11.1 Warranty term 11.2 Scope of fault correction under warranty 11.3 Exclusions from warranty 11.4 Making a claim under the warranty EC Declaration of Conformity as defined in EC Guidelines Varistar LHX 3 60130-626 Revision 001... -
Page 4: Description Of The Air/Water Heat Exchanger (Lhx 3)
Since the air/water heat exchanger is situated in the base, the LHX 3 does not pose a danger to the installed systems from water leakage. Nor is there any danger of air short-circuits since the fan (in the top panel) is spatially separated from the heat exchanger (in the base). Varistar LHX 3 60130-626 Revision 001... -
Page 5: Regulations / Safety Notices
The entire water circuit must be monitored for any incompatibility or intolerance of materials The cooling water must be free of any substances that may cause mineral deposits or corrosion! The water quality must conform to the values stated in section 4 Varistar LHX 3 60130-626 Revision 001... -
Page 6: Lhx 3 Technical Data
Ambient temperature range outside cabinet during °C 5 to 70 operation Relative humidity level 5 to 95 Noise level at 100% fan capacity dB(A) 45,2 Weight Air/Water Heat Exchanger Dimensions Height Width Depth 425 (465 mm with handles) Varistar LHX 3 60130-626 Revision 001... -
Page 7: Performance Curves
Water inlet temperature [°C] LHX3 20,5 19,5 18,5 17,5 Cooling capacity [kW] at a water inlet temperature of 10°C To ensure trouble-free operation of the heat exchanger the water quality requirements must be met (VDE 3803). Varistar LHX 3 60130-626 Revision 001... -
Page 8: Water Quality
The LHX 3 must only be transported without water. If the unit is to be stored or transported in ambient temperatures of less than 0 °C, special measures must be taken to prevent damage caused by freezing. Varistar LHX 3 60130-626 Revision 001... -
Page 9: Assembly
At delivery the base of the LHX 3 is secured to a wooden pallet. To remove this, first unscrew the covers to front and rear of the LHX 3 (Fig. 1). Now simply unscrew the retention screws between the cabinet base and pallet (Fig. 2). Varistar LHX 3 60130-626 Revision 001... -
Page 10: Removing And Rotating The Lhx 3 Heat Exchanger Cassette
(select either from in front or from the rear). Next, loosen the screws on both handles and fit them to the opposite side of the heat exchanger facing outward (Figs. 5 and 6). Varistar LHX 3 60130-626 Revision 001... -
Page 11: Fitting The Fan Unit
(Figs. 7 and 8). Should problems arise from the repositioning of the handles on the heat exchanger, please consult the Schroff service department for assistance. For contact information see page 2. Removing the Fan Unit... -
Page 12: Water Supply From Rear
If you have arranged the cassette facing forward, this is unnecessary and you can reach both water connection points directly (Fig. 14). Wasser Rücklauf Water Outlet Sortie d’eau Wasser Vorlauf Water Inlet Entrée d’eau Varistar LHX 3 60130-626 Revision 001... -
Page 13: Drainage Of Condensate
The hose is not included with the unit. The LHX 3 is normally supplied with the condensate drain closed. Where operating conditions are such that condensation occurs on the heat exchanger, the user should set up the condensate drain accordingly. Varistar LHX 3 60130-626 Revision 001... -
Page 14: Decommissioning
A collecting vessel should be to hand to catch any leakage of water. Environmental Requirements During the commissioning and decommissioning of the LHX 3 the applicable environmental requirements should be observed with regard to recycling, reuse and disposal of process materials and components. Varistar LHX 3 60130-626 Revision 001... -
Page 15: Malfunctions And Troubleshooting
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 current servicing addresses. Varistar LHX 3 60130-626 Revision 001... -
Page 16: Maintenance And Servicing
WORK 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 out by qualified personnel See page 2 for our current servicing addresses. Varistar LHX 3 60130-626 Revision 001... -
Page 17: Conditions Of Warranty
Conditions of Warranty 11.1 Warranty term Schroff GmbH offers a two (2) year warranty for this equipment. The term commences on the day of delivery. Please retain the delivery note or invoice as proof. 11.2 Scope of fault correction under warranty Except where the following exceptions apply, the warranty is valid for any defects in materials or manufacture. -
Page 18: Ec Declaration Of Conformity As Defined In Ec Guidelines
EC Declaration of Conformity as defined in EC Guidelines EC Low-Voltage Guideline 2006/95/CEE Type Product Air/Water Heat Exchanger Type/description Varistar LHX 3 Order No. 10130-193, -194 Operating voltage: 230 VAC 50/60 Hz Developed, designed and manufactured in accordance with the above EC Guidelines by Schroff GmbH Langenalber Straße 96 - 100...
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