Related Manuals for McQuay MVCU 025 A
Summary of Contents for McQuay MVCU 025 A
- Page 1 MVCU - 2004 Vertical Condensing Unit MVCU 040 A/AR Models: MVCU 025 A/AR MVCU 030 A/AR MVCU 050 A/AR MVCU 035 A/AR MVCU 060 A/AR...
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Page 2: Table Of Contents
"McQuay" is a registered trademark of McQuay International. All rights reserved throughout the world. 2003 McQuay International "Bulletin illustrations cover the general appearance of McQuay International products at the time of publication and we reserve the right to make changes in design and construction at any time without notice."... -
Page 3: Features
Features Space Saving The smaller base size and vertical air discharge allow compact location on multi-unit installation. Power Source Single phase unit is available in MVCU025A. Three phase units are available in MVCU030A, 035A, 040A, 050A & 060A. Wide Range MVCU units are available in 2.5 to 6 HP to meet various needs in residential and light commercial applications. -
Page 4: Specifications
Specifications WALL MOUNTED – VERTICAL CONDENSING UNIT (COOLING ONLY) MODEL INDOOR UNIT MWM 025F MWM 031F OUTDOOR UNIT MVCU 025A MVCU 030A NOMINAL kcal/h 5922 7560 COOLING 6887 8792 CAPACITY Btu/h 23500 30000 NOMINAL TOTAL POWER 2430 2880 NOMINAL TOTAL CURRENT 12.4 220-240 / 1 / 50 POWER SOURCE... - Page 5 CEILING CONVERTIBLE – VERTICAL CONDENSING UNIT (COOLING ONLY) MODEL INDOOR UNIT MCM 025D MCM 030D MCM 040D MCM 040D MCM 050D MCM 062C OUTDOOR UNIT MVCU 025A MVCU 030A MVCU 035A MVCU 040A MVCU 050A MVCU 060A NOMINAL kcal/h 6048 7560 9073 10080...
- Page 6 CEILING CASSETTE A SERIES – VERTICAL CONDENSING UNIT (COOLING ONLY) MCK 040A MODEL INDOOR UNIT MCK 025A MCK 030A MCK 050A OUTDOOR UNIT MVCU 025A MVCU 030A MVCU 035A MVCU 040A MVCU 050A NOMINAL kcal/h 6048 7813 9073 10080 12348 COOLING 7034 9086...
- Page 7 CEILING CASSETTE B SERIES – VERTICAL CONDENSING UNIT (COOLING ONLY) MODEL INDOOR UNIT MCK 025B MCK 030B OUTDOOR UNIT MVCU 025A MVCU 030A NOMINAL kcal/h 6048 7560 COOLING 7034 8792 CAPACITY Btu/h 24000 30000 NOMINAL TOTAL POWER 2450 2927 NOMINAL TOTAL CURRENT 12.4 220-240 / 1/ 50 POWER SOURCE...
- Page 8 CEILING CONCEALED – VERTICAL CONDENSING UNIT (COOLING ONLY) MCC 040C MODEL INDOOR UNIT MCC 025C MCC 030C MCC 050C MCC 060C OUTDOOR UNIT MVCU 025A MVCU 030A MVCU 035A MVCU 040A MVCU 050A MVCU 060A NOMINAL kcal/h 6048 7813 9073 10080 12348 14364...
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Page 9: Operation Range
Operating Range Ensure the operating temperature is in allowable range. Cooling only Cooling Caution : The use of your air conditioner 51.7 outside the range of working temperature and humidity can result in serious failure. Indoor temp. (°CWB) -
Page 10: Refrigerant Circuit
Refrigerant Circuit... -
Page 12: Outlines And Dimensions
Outlines And Dimensions MODEL : MVCU 025 / 030 / 035A MODEL MVCU 025 / 030 / 035A All dimensions in mm... - Page 13 MODEL : MVCU 040 / 050 / 060A MODEL MVCU 040A MVCU 050 / 060A 1086 All dimensions in mm...
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Page 14: Wiring Diagrams
Wiring Diagrams WALL MOUNTED INDOOR UNIT MODEL : MWM 025F OUTDOOR UNIT MODEL : MVCU 025A... - Page 15 INDOOR UNIT MODEL : MWM 031F OUTDOOR UNIT MODEL : MVCU 030A...
- Page 16 CEILING CONVERTIBLE INDOOR UNIT MODEL : MCM 025D OUTDOOR UNIT MODEL : MVCU 025A...
- Page 17 INDOOR UNIT MODEL : MCM 030D OUTDOOR UNIT MODEL : MVCU 030A...
- Page 18 INDOOR UNIT MODEL : MCM 040D OUTDOOR UNIT MODEL : MVCU 035A...
- Page 19 INDOOR UNIT MODEL : MCM 040 / 050D OUTDOOR UNIT MODEL : MVCU 040 / 050A...
- Page 20 INDOOR UNIT MODEL : MCM 062C OUTDOOR UNIT MODEL : MVCU 060A...
- Page 21 CEILING CASSETTE A SERIES INDOOR UNIT MODEL : MCK 025A OUTDOOR UNIT MODEL : MVCU 025A...
- Page 22 INDOOR UNIT MODEL : MCK 030A OUTDOOR UNIT MODEL : MVCU 030A...
- Page 23 INDOOR UNIT MODEL : MCK 040A OUTDOOR UNIT MODEL : MVCU 035A...
- Page 24 INDOOR UNIT MODEL : MCK 040 / 050A OUTDOOR UNIT MODEL : MVCU 040 / 050A...
- Page 25 CEILING CASSETTE B SERIES INDOOR UNIT MODEL : MCK 025B OUTDOOR UNIT MODEL : MVCU 025A...
- Page 26 INDOOR UNIT MODEL : MCK 030B OUTDOOR UNIT MODEL : MVCU 030A...
- Page 27 CEILING CONCEALED INDOOR UNIT MODEL : MCC 025C OUTDOOR UNIT MODEL : MVCU 025A...
- Page 28 INDOOR UNIT MODEL : MCC 030C OUTDOOR UNIT MODEL : MVCU 030A...
- Page 29 INDOOR UNIT MODEL : MCC 040C OUTDOOR UNIT MODEL : MVCU 035A...
- Page 30 INDOOR UNIT MODEL : MCC 040 / 050 / 060C OUTDOOR UNIT MODEL : MVCU 040 / 050 / 060A...
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Page 31: Installation
Installation (1) Installation Of VCU • The unit should be installed in accordance with all national and local codes and regulations which govern the installation of this type of equipment. • The VCU unit must not be installed with any duct work on the air discharge side. The outdoor fan is a propeller type and is not designed to operate against any additional external static. - Page 32 Piping Sizes (Brazed Valve) Piping sizes are as follows: MODEL MVCU 025A MVCU 030A MVCU 035 / 040A MVCU 050A MVCU 060A Liquid (mm/in) 9.52 (3/8) 9.52 (3/8) 9.52 (3/8) 9.52 (3/8) 12.7 (1/2) Suction (mm/in) 15.88 (5/8) 15.88 (5/8) 19.05 (3/4) 19.05 (3/4) 22.23 (7/8)
- Page 33 (5) Additional Charge • The refrigerant gas has already charged into the outdoor unit. For the piping length of 5m. Additional refrigerant charge after vacuuming is not necessary. • When the piping length is more than 5m, please use the table below (unit in gram). MODEL MVCU 025A MVCU 030A...
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Page 34: Service And Maintenance
Service And Maintenance Warning: Disconnect from main supply before servicing the air conditioner. The unit is designed to give long life operation with minimum maintenance required. However, it should be regularly checked and the following items should be given due attention. Components Maintenance Procedure Recommended Schedule... - Page 35 The design of the VCU outdoor series allows servicing to be carried out readily and easily. The removal of the top side, front and back panel make almost every part accessible. Under normal circumstances, these outdoor units only require a check and cleaning of air intake coil surface once quarterly.
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Page 36: Troubleshooting
Troubleshooting When any air-conditioner malfunction is noted, immediately switch off the power supply to the unit, and contact the local dealer, if necessary. Some simple troubleshooting tips are given below : FAULT CAUSE • Protection against the frequent starting. Wait 3 or 4 minutes. 1. - Page 37 FOR COOLING ONLY MODELS DIAGNOSIS BY FLOW CHART The following chart are efficient checking procedures for troubleshooting when these fan-coil units are coupled with the condensing units using standard wiring. For dual circuited models, perform the procedures for each circuit. No Cooling : Faulty : Check...
- Page 38 INSUFFICIENT COOLING Insufficient Cooling Cycling On Compressor Cycling High Discharge Pressure or Low See "High Discharge Pressure" or Tripping Suction Pressure "Low Suction Pressure" Dual Pressure Switch Clogged Capillary or Pressure Repair Clogging and Replace Switch The Switch If Required Switch Faulty Repair or Change If Necessary Running...
- Page 39 HIGH SUCTION PRESSURE High Suction Pressure Evaporator Excessive Fresh Air Intake Reduce The Fresh Air Intake Air Inlet Temp. Insufficient Duct Insulation Reinforce The Duct Insulation Change Or Repair The Defective Compressor Valve Compressor Overcharged Refrigerant Purge The Refrigerant LOW SUCTION PRESSURE Low Suction Pressure Clogged Air Filter Clean The Air Filter...
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Page 40: Parts List
Parts List MODEL : MVCU 025A DESCRIPTION DESCRIPTION COIL ASSY 11 SIDE COIL GUARD TOP PANEL 12 COMPRESSOR FAN GUARD 13 ASSY, TUBE HEADER TO DISCHARGE FAN MOTOR 14 DISCHARGE TUBE ASSY FAN BLADE 15 SUCTION TUBE ASSY FAN COVER 16 TERMINAL BOX COVER CONTROL BOX ASSY 17 DISCHARGE VALVE... - Page 41 MODEL : MVCU 030 / 035A DESCRIPTION DESCRIPTION COIL ASSY 11 SIDE COIL GUARD TOP PANEL 12 COMPRESSOR FAN GUARD 13 DISCHARGE TUBE ASSY FAN MOTOR 14 SUCTION TUBE ASSY FAN BLADE 15 ASSY, TUBE HEADER TO DISCHARGE FAN COVER 16 TERMINAL BOX COVER CONTROL BOX ASSY 17 SUCTION VALVE...
- Page 42 MODEL : MVCU 040 / 050 / 060A DESCRIPTION DESCRIPTION COIL ASSY 11 SIDE COIL GUARD TOP PANEL 12 COMPRESSOR FAN GUARD 13 DISCHARGE TUBE ASSY FAN MOTOR 14 SUCTION TUBE ASSY FAN BLADE 15 ASSY, TUBE HEADER TO DISCHARGE FAN COVER 16 TERMINAL BOX COVER CONTROL BOX ASSY...
- Page 43 REGISTERED ISO 9002 ©2004 McQuay International +1 (800) 432-1342 www.mcquay.com...