Page 3 - TABLE OF CONTENTS
i TABLE OF CONTENTS 1.0 I NTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.1 Product Description and Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.2 Head Pre...
Page 4 - PERATION; FIGURES
ii 4.4 Other . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 5.0 O PERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 5.1 Startu...
Page 5 - NTRODUCTION; Product Description and Features; weatherproof section of the condenser.; Figure 1; Head Pressure Control Types
Introduction 1 1.0 I NTRODUCTION 1.1 Product Description and Features The Liebert condenser is low-profile direct-drive propeller fan-type air cooled unit suitable for mount- ing outdoors. It provides for the heat rejection of either one or two separate refrigeration circuits, matching heat rejectio...
Page 6 - Refrigerant Control; Sound Level Options; sound level condensers.; Transient Voltage Surge Suppression Option; tection to the condenser.; Typical System Configurations; Figure 2
Introduction 2 1.2.3 Liebert Lee-Temp ™ 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 (-34.4°C). The condensers utilize head pressure con- trol valves, extra refrigerant and insulate...
Page 7 - Fan Speed and VFD; Liquid; Liquid Return
Introduction 3 Figure 2 Typical system configuration—indoor unit and outdoor condenser and field piping Lee -Temp Receiver Fan Speed and VFD Lee-Temp ServiceValve External Equalizer Liquid SensingBulb Inverted trap on discharge & liquid lines to extend above base of coil by a minimum of 7 -1/2 ”...
Page 8 - ITE; Site Considerations; Department for assistance.; Dimensions and Weights; Table 1
Site Preparation 4 2.0 S ITE P REPARATION 2.1 Site Considerations The condensers should be installed in a location offering maximum security and access for mainte- nance.Avoid ground-level sites with public access and areas that contribute to heavy snow or ice accumula- tions. Utilize Piggyback cond...
Page 9 - Figure 3; Condenser
Site Preparation 5 Figure 3 Condenser planning dimensional data—One-fan and two-fan units 51-1/2" (1308mm) 43-9/16" (1106mm) 37-7/8" (962mm) 18" (457mm) 91-1/2" (2324mm) 44" (1118mm) 43-3/16" (1097mm) Note:Overall height to the top of fan guard43-1/8" (1095mm) 43-9/16...
Page 10 - Figure 4
Site Preparation 6 Figure 4 Condenser planning dimensional data—Three-fan and four-fan units Note:Overall height to the top of fan guard43-1/8" (1095mm) Eyeboltsfor Lifting 37-7/8" (962mm) 37-7/8" (962mm) 171-1/2" (4356mm) 70" (1778mm) 131-1/2" (3340mm) 124" (3150mm) 164&...
Page 11 - Figure 5
Site Preparation 7 Figure 5 Condenser planning dimensional data—Six- and eight-fan units 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 topof the fan...
Page 12 - Figure 6; Isolator
Site Preparation 8 Figure 6 Typical condenser footprint—dimensions Figure 7 Piping connection locations for 1-, 2-, 3- and 4-fan VFD Control and Fan Speed Condensers 2” (50.8mm) 9/16" (14mm) Typical Diameter 1-3/4” (44.5mm) 4-1/4” (108mm) 1-3/4” (44.5mm) 4-1/4” (108mm) 1” (25.4mm) 2” (50.8mm) Fa...
Page 13 - Figure 8
Site Preparation 9 Figure 8 Piping connections for 1-, 2-, 3- and 4-fan Lee-Temp and Quiet-Line Condensers Figure 9 Piping connections for 6- and 8-fan Fan Speed Condensers Fasten liquid and hot gas linesto leg using flat surface clampswith isolators (field-provided).Support field piping separatelyt...
Page 14 - Hot Gas Line
Site Preparation 10 Figure 10 Piping connections for 6- and 8-fan Lee-Temp and Quiet-Line Condensers Access Valve (Hot Gas) onCondensers (Typ. 2) Inlet ConnectionUpper Headers (Typ.) Hot Gas Line LiquidLine Fasten liquid and hot gas linesto leg using flat surface clampswith isolators (field-supplied...
Page 15 - Table 2
Site Preparation 11 Table 2 Condenser physical data 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) CD*104 1 2 7/8 1/2 315 (143) CS*104 1 1 1-1/8 5/8 315 (143) CD*165 2 2 7/8 5/8 425 (193) CS*165 2 1 1-...
Page 16 - Refrigerant Planning Values; Tables 3; and; Table 3
Site Preparation 12 2.3 Refrigerant Planning Values Planning for the refrigerant requirements of the completed system is the addition of the charges from Indoor Unit, Condenser (including Lee-Temp receiver, if used) and the interconnecting piping. Tables 3 and 4 provide the approximate charge requir...
Page 17 - NSPECTION; Equipment Inspection; your local Liebert representative.; SAFETY INFORMATION; NOTICE; dampness, freezing temperatures and contact damage.; or preparing unit for installation.; WARNING; prepare unit for installation.
Inspection and Installation 13 3.0 I NSPECTION AND I NSTALLATION 3.1 Equipment Inspection Before unpacking the condenser, verify that the labeled equipment matches the bill of lading. Care- fully inspect all items for damage, either visible or concealed. Report any damage immediately to the carrier ...
Page 18 - Handling Unit on the Skid; to still fit under the skid.; Unpacking the Unit; Figure 12 Removing shipping crate; Methods for other sizes of condensers are the same.
Inspection and Installation 14 3.2 Handling Unit on the Skid Transport the unit using a fork lift or a crane with sling and spreader bars. • If using a fork lift, make sure the forks (if adjustable) are spread to the widest allowable distance to still fit under the skid. • Ensure the fork length is ...
Page 19 - Removing the Skid and Attaching Slings; Step
Inspection and Installation 15 3.4 Preparing a 1-, 2-, 3- or 4-Fan Condenser for Moving and Installation 3.4.1 Removing the Skid and Attaching Slings 1. Install the legs, provided by Liebert, on the condenser with the mounting bolts, also provided by Liebert. Liebert recommends using a 5/8" sock...
Page 20 - Preparing a 6-Fan or 8-Fan Condenser for Moving and Installation; Removing the Skid and Attaching Slings; in; Figure 14 Attaching legs to a 6-fan or 8-fan unit
Inspection and Installation 16 3.5 Preparing a 6-Fan or 8-Fan Condenser for Moving and Installation 3.5.1 Removing the Skid and Attaching Slings The following procedure is one recommended process for removing a Liebert condenser from its ship- ping skid. Other methods may be used, provided that the ...
Page 21 - Figure 15 Attaching sling to a 6-fan or 8-fan unit for moving
Inspection and Installation 17 Figure 15 Attaching sling to a 6-fan 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. For roof installation, mount the condenser on suitable curbs or othe...
Page 22 - Electrical Supply Preparation; electrical codes. Refer to; NOTE; heated receivers. See
Inspection and Installation 18 3.6 Electrical Supply Preparation Line voltage electrical service is required for all models. Refer to equipment nameplate regarding wire size and circuit protection requirements. Electrical service must conform to national and local electrical codes. Refer to Figures ...
Page 23 - Table 5
Inspection and Installation 19 Table 5 60Hz condenser data 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 4.8 6.0 15 — — — — — — — — — — — — — — — 4...
Page 24 - Low Voltage Monitoring Wiring—TCDV Only; Electrical Connections; Table 8
Inspection and Installation 20 3.6.2 Low Voltage Control Wiring NOTICE Risk of control malfunction. Can cause improper unit operation. Make sure that all low voltage electrical wiring has been performed per the schematic diagram provided and that all low voltage wiring connections are tight. A contr...
Page 25 - Figure 16 Wye-connected power diagram
Inspection and Installation 21 3.7.1 VFD Control Condensers (TCDV) only The installer/startup technician must determine the type of 3-phase supply power being used for the VFD Control Condenser: Wye-connected power or Delta- connected power.Wye-connected power has two different voltages that can be ...
Page 26 - Disconnect EMC Filter for Delta-Connected Power; connection block of the VFD control
Inspection and Installation 22 Disconnect EMC Filter for Delta-Connected Power Installer/startup technician needs to disconnect the EMC filter on the VFD to ensure proper operation if the Liebert VFD Control Condenser will be operated with Delta-connected power. 1. Disconnect the power supply before...
Page 27 - Electrical Field Connection Descriptions
Inspection and Installation 23 3.8 Electrical Field Connection Descriptions Figure 19 Electrical field connections for Fan Speed Control Condensers Earth ground connection (60Hz).Connection terminals for fieldsupplied earth grounding wirewhen factory disconnect is NOTsupplied. Electric service, not ...
Page 30 - Refrigeration Piping Connections; Figures 2; bring any foreign matter back to the compressor.
Inspection and Installation 26 3.9 Refrigeration Piping Connections 3.9.1 Piping Guidelines Indoor units and condensers both ship with nitrogen holding charges. Do not vent the condenser until all refrigerant piping is in place, ready for connection to indoor unit and condenser. • Use copper piping ...
Page 31 - Figure 22 VFD and Fan Speed Control condenser piping
Inspection and Installation 27 3.9.2 Field Piping Installation One discharge line and one liquid line must be field-installed for each circuit of the indoor unit and the outdoor condenser(s). Dual circuit condensers are available for most dual circuit indoor unit appli- cations. Refer to Figures 22 ...
Page 32 - Figure 23 Lee-Temp head pressure control condenser piping
Inspection and Installation 28 Figure 23 Lee-Temp head pressure control condenser piping Fasten liquid and hot gas linesto leg using flat surface clampswith isolators (field-supplied).Support field piping separatelyto avoid coil damage and lossof charge. LiquidLine Hot Gas Line See Detail A-A Invert...
Page 33 - Receiver; Single Circuit Shown
Inspection and Installation 29 Figure 24 General arrangement—Air cooled models with Lee-Temp control Compressor*** Hot GasBypass(optional) Hot GasDischarge Service Valves CheckValve CheckValve Head PressureControl withIntegral CheckValve FilterDryer SightGlass Shutoff *(Isolation)Valve SolenoidValve...
Page 34 - System Dehydration/Leak Test and Charging Procedures; ant to be charged into the system.
Inspection and Installation 30 3.10 System Dehydration/Leak Test and Charging Procedures Procedures for leak check and evacuation of the entire refrigeration system are contained in the installation manual of the indoor unit. Use the proper manual section corresponding to the winter control system u...
Page 35 - HECKLIST; Moving and Placing Equipment; adjustments per; Piping
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 ...
Page 36 - Startup Checklist; - Checklist for Completed Installation; Startup
Operation 32 5.0 O PERATION 5.1 Startup Checklist Refer to 4.0 - Checklist for Completed Installation and verify that all installation items have been completed before beginning to start the condenser. 5.2 Startup • Locate “Liebert Condensers and Drycoolers Warranty Inspection Check Sheet” (Document...
Page 37 - YSTEM; General Procedures; for each of these inspections.; Table 9 - Troubleshooting
System Maintenance 33 6.0 S YSTEM M AINTENANCE 6.1 General Procedures Periodic attention is necessary for continued satisfactory operation of your unit. Restricted air flow through the condenser coil, reduced airflow from non-functioning fans and low refrigerant system charge levels will reduce the ...
Page 38 - Special Procedures; When to Clean; use of acidic cleaners for environmental reasons.; How to Clean; power supply to the condenser.
System Maintenance 34 6.2 Special Procedures 6.2.1 Condenser Cleaning Keeping the outdoor condenser coils clean is an important factor in maintaining peak efficiency, reli- ability and long life of the equipment. It is much easier to keep up on frequent cleanings rather than wait until heavy build u...
Page 39 - Notes
System Maintenance 35 6.2.2 Maintenance Inspection Checklist Signature: _________________________________________________________________________________________ Make photocopies of this form for your records Date:____________________________________ Prepared By:____________________________________ ...
Page 40 - Table 9; Symptom
System Maintenance 36 Table 9 Troubleshooting Symptom Possible Cause Check or Remedy Condenser will not start No power to condenser Check voltage at input terminal block Circuit breaker for low voltage transformer in condenser is tripped Locate problem in condenser electrical panel and repair No low...
Page 41 - NOTES
Page 44 - Precision Cooling
Ensuring The High Availability0f Mission-Critical Data And Applications. Emerson Network Power, the global leader in enabling business-criticalcontinuity, ensures network resiliency and adaptability througha family of technologies—including Liebert power and coolingtechnologies—that protect and supp...
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