Instruction/ maintenance manual of the product 83 Liebert
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Precision Cooling For Business -Critic al C ontinuity™ Li eber t ® Air Cool ed, Direct Drive C o nd ens e rs Install atio n, Ope ration an d Maint e nanc e Man ual - 50/60Hz.
Figure i Product model nomenclat ure DD 1 6 5 - Y * S = Single Refrigerant Circu it D = Dual Refrigerant Circuit P = 208/230V -1ph-60Hz Z = 460V -1ph-60Hz V = 575V -1ph-60Hz W = 200/230V -1ph-50Hz Y =.
i T ABLE OF CONTENTS 1.0 I NTRODUCTI ON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.1 Product Description and Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ii 4.4 Other . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 5.0 O PERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Introd uction 1 1.0 I NTRODUCTION 1.1 Product Description and Features The Liebert condenser is low-profil e direct-drive propelle r fan-type air cooled unit suitable for mount- ing outdoors.
Introd uction 2 1.2.3 Liebert Lee-T emp ™ Refrigerant Control The Liebert Lee-Temp head pressure control system is designed to maintain proper operating head pressures in outdoor temperatures down to -30°F (- 34.
Introd uction 3 Figure 2 T ypical system con figuration—indoor unit and out door condenser and field piping Lee - Tem p R ec ei v er Fan S peed and VFD Lee - Temp Servi ce Val ve Exte r na l E qual .
Site Preparation 4 2.0 S ITE P REP ARATION 2.1 Site Considerations The condensers should be installed in a location offerin g ma ximum security and access for mainte- nance. Avoid ground-level sites with pu blic access and areas that contribute to heavy snow or ice accumula- tions.
Site Preparation 5 Figure 3 Condenser planning dimensiona l dat a—One-fan and two-f an units 51-1/2" (1308mm) 43-9/16" (1 106mm) 37-7/8" (962mm) 18" (457mm) 91-1/2" (2324mm).
Site Preparation 6 Figure 4 Condenser planning dimensiona l dat a—Three-fan and four- fan unit s Note: Overall height to the top of fan guard 43-1/8" (1095mm) Eyebolts for Lifting 37-7/8" .
Site Preparation 7 Figure 5 Condenser planning dimensiona l dat a—Six- and eight-fa n unit s 171-1/2" (4356mm) 37-7/8" (962mm) 131-1/2" (3340mm) 18" (457mm) 70" (1778mm) 86-3/4" (2203mm) 86-3/4" (2203mm) 124" (3150mm) 164" (4166mm) Overalll height to the top of the fan guard is 43-1/8” (1095mm).
Site Preparation 8 Figure 6 T ypical condenser footprint—dimensions Figure 7 Piping connection locations for 1-, 2-, 3- and 4- fan VFD Control and Fan Speed Conde nsers 2” ( 50.8mm ) 9/16" ( 14mm) T y pic al Di ameter 1- 3/4” ( 44.5mm) 4- 1/4” ( 108mm) 1- 3/ 4” ( 44.
Site Preparation 9 Figure 8 Piping connections for 1-, 2-, 3- and 4-fan Lee-T emp and Quiet-Line Conde nsers Figure 9 Piping connections for 6- and 8-fa n Fan Speed Conde nsers Fasten liquid and hot gas lines to leg using flat surface clamps with isolators (field-provided).
Site Preparation 10 Figure 10 Piping connections for 6- and 8-fa n Lee-T emp and Quiet-L ine Condensers A ccess V alve (Hot Gas) on Condensers (T yp. 2) Inlet Connection Upper Headers (T yp.) Hot Gas Line Liquid Line Fasten liquid and hot gas lines to leg using flat surface clamps with isolators (field-supplied).
Site Preparation 11 T able 2 Condenser physical dat a Model # Number of Fans Number of Circuits Connection Size, OD, In. Net Weight lb (kg) Hot Gas Liquid Standard Models CS*083 1 1 7/8 5/8 295 (134) .
Site Preparation 12 2.3 Refrigerant Planning V alues Planning for the refrigerant requirements of the comp leted system is the addition of the charges from Indoor Unit, C ondenser (including Lee-Temp receiver, if u sed) and the interconn ecting piping.
Inspection and Installa tion 13 3.0 I NSPECTION AND I NST ALLATION 3.1 Equipment Inspection Before unpacking the condenser, ve rify that the labeled equipment matches the bill of lading. Care- fully inspect all items for damage, either visible or concealed.
Inspection and Installa tion 14 3.2 Handling Unit on the Skid Transport the unit using a fork lift or a crane with sling an d spreader bars. • If using a fork lift, make su re the forks (if adjustable) are spread to the widest allowable distance to still fit under the skid.
Inspection and Installa tion 15 3.4 Prep aring a 1-, 2-, 3- or 4-Fan Condenser for Moving and Inst allation 3.4.1 Removing the Skid and Att aching Slings 1. Install the legs, provided by Liebert, on the co ndenser with the mount ing bo lts, also provided by Liebert.
Inspection and Installa tion 16 3.5 Prep aring a 6-Fan or 8-Fan Condenser for Moving and Inst allation 3.5.1 Removing the Skid and Att aching Slings The following procedure is one re commended process for removing a Liebert conden ser from its ship- ping skid.
Inspection and Installa tion 17 Figure 15 Att aching sling to a 6-fa n or 8-fan unit for moving 3.5.2 Mounting the Condenser The condenser must be installed so that it is level within 1/2" (13mm) to ensure proper refrigerant flow.
Inspection and Installa tion 18 3.6 Electrical Supply Prep aration Line voltage e lectrical service is required for all models. Refer to equipment nameplate reg arding wire size and circuit protection requirements. Elec trical service must confor m to national and local electrical codes.
Inspection and Installa tion 19 T able 5 60Hz condenser dat a Model # 83, 104 165, 205 251, 308 415, 510 616 830, 1010 # of Fans 1 2 3 4 6 8 Input Voltage ph FLA WSA OPD FLA WSA OPD FLA WSA OPD FLA WSA OPD FLA WSA OPD FLA WSA OPD Fan Speed Controlled 208/230 1 4 .
Inspection and Installa tion 20 3.6.2 Low V olt age Control Wiring NOTICE Risk of control malfunction. Can cause improper u nit operation. Make sure that all low voltage electrical wirin g has been performed per the schematic diagram provided and tha t all low voltage wiring co nnections are tight.
Inspection and Installa tion 21 3.7.1 VFD Control Condensers (TCDV) only The installer/startup tech nician must determine the type of 3-phase supply p ower being used for the VFD Control Condenser: Wye-connected power or Delta- connected power.
Inspection and Installa tion 22 Disconnect EMC Filter for Delt a-Connected Power Installer/ startup technician needs to disconnect the EMC filter on the VFD to ensure p roper operat ion if the Liebert VFD Control Condenser will be operated with Delta-connected power.
Inspection and Installa tion 23 3.8 Electrical Field Connection Descriptions Figure 19 Electrical field connect ions for Fan S peed Control Condense rs Earth ground connection (60Hz). Connection terminals for field supplied earth grounding wire when factory disconnect is NOT supplied.
Inspection and Installa tion 24 Figure 20 Electrical field connect ions for VFD contr ol condensers A larm Connections Field-supplied 24V Class 1 wiring to remote alarm circuits V ariable Frequency Drive (VFD) alarm contact connections (13, 14) T ransient V oltage Surge Suppressor (TVSS) alarm contact connections (1 1, 12).
Inspection and Installa tion 25 Figure 21 Electrical field connect ions for Liebert Lee -T emp control conde nsers 70 71 Electric service. Three-phase for all models. Wiring not by Liebert. DPN000683 Rev . 0 Lee-T emp receiver tank (1 per circuit). NOTE: Standard heater pads are 150 watts each.
Inspection and Installa tion 26 3.9 Refrigeration Piping Connections 3.9.1 Piping Guidelines Indoor units and con densers both ship with nitrogen holdi ng charges. Do not vent the condenser until all refrigerant piping is i n place, ready for connection to indoor unit and condenser.
Inspection and Installa tion 27 3.9.2 Field Piping Inst allation One discharge line and one liquid li ne must be field-instal led for each circuit of the indoor unit and the outdoor condenser(s). Du al circuit condensers are available for most dual circuit indoor unit appli- cations.
Inspection and Installa tion 28 Figure 23 Lee-T emp head pressure control condenser piping Fasten liquid and hot gas lines to leg using flat surface clamps with isolators (field-supplied). Support field piping separately to avoid coil damage and loss of charge.
Inspection and Installa tion 29 Figure 24 General arrangement—Air cooled models with Lee-T emp control Compressor*** Hot Gas Bypass (optional) Hot Gas Discharge Service V alves Check Va l v e Check .
Inspection and Installa tion 30 3.10 System Dehydration/Leak T est and Charging Procedures Procedures for leak check and evacuation of the entire refrigeration system are contained in the installation manual of the indoor unit.
Checklist for Completed Installation 31 4.0 C HECKLIST FOR C OMPLETED I NSTALLATION 4.1 Moving and Placing Equipment ___ 1. Unpack and check received material ___ 2. Proper clearance for service access has been maintained around the equipment ___ 3. Equipment is level and mounting fasteners are tight 4.
Operation 32 5.0 O PERATION 5.1 St artup Checklist Refer to 4.0 - Checklist for Completed Installation and verify that all inst allation items have been completed be fore beginnin g to start the conde nser. 5.2 St artup • Locate “Liebert Condensers and Drycoo lers Warranty Inspec tion Check Sheet” (Document # SAFM-8542-54).
System Maintenance 33 6.0 S YSTEM M AINTENANCE 6.1 General Procedures Periodic attention is necessary for continued sati sfactory operation of your unit.
System Maintenance 34 6.2 Special Procedures 6.2.1 Condenser Cleaning Keeping the outdoor condenser coils clean is an important factor in ma intaining peak e fficiency, reli- ability and long li fe of the equipmen t.
System Maintenance 35 6.2.2 Maintenance Inspection Checklist Signature: _______________ _____________________ _____________________ ________________________ ________ Make photocopies of this form for .
System Maintenance 36 T able 9 T roubleshooting Symptom Possible Cause Check or Remedy Condenser will n ot start No power to condenser Check voltage at input terminal block Circuit breaker for low vol.
System Maintenance 37 NOTES.
System Maintenance 38.
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If you already are a holder of Liebert 83, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Liebert 83.
However, one of the most important roles played by the user manual is to help in solving problems with Liebert 83. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Liebert 83 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
