Related Manuals for Lennox CMC 020S
Summary of Contents for Lennox CMC 020S
- Page 1 Installation, operating and maintenance manual COMPACTAIR CMC - CMH Vertical packaged air conditioner Packaged unit 20 à 100 kW MIL123E-0613 11-2014 Translation of original manual lennoxemeia.com...
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Page 2: Table Of Contents
All the technical and technological information contained in this manual, including any drawing and technical descrip- tions provided by us, remain the property of Lennox and must not be used (except in the operation of this product), reproduced, issued to or made available to third parties without the prior written agreement of Lennox. -
Page 3: Points To Bear In Mind
All technical data contained in these operating instructions, including the diagrams and technical description remains the property of Lennox and may not be used (except for the purpose of familiarizing the user with the equipment), reproduced, photocopied, transferred or transmitted to third parties without prior written authorization from Lennox. -
Page 4: Data Page For Commissioning Unit
DATA PAGE FOR UNIT COMMISSIONING UNIT: SERIAL Nr: CONTROL PANEL IDENTIFICATION CODE: INSTALLATION ADDRESS: INSTALLER: INSTALLER TEL: INSTALLER ADDRESS: DATE OF COMMISSIONING: CHECKS: SUPPLY VOLTAGE: RATED VOLTAGE OF THE UNIT: YES NO UNIT ON SHOCK ABSORBERS DRAINAGE WITH TRAP MAIN POWER SUPPLY CONNECTION CONTROL PANEL CONNECTION COMPRESSOR OIL LEVEL INDICATOR DATA INPUT:... -
Page 5: General Characteristics Page
1.- GENERAL CHARACTERISTICS 1.1.- PHYSICAL DATA Unit S: One Circuit Type of refrigerant M: 400V/3/50 C: Cooling only COMPACTAIR D: Two Circuits M: R-410A H: Heat pump M: Compact unit Approximate cooling - - - Number capacity in kW of revision CMC: Cooling only unit R-410A. -
Page 6: Operating Limits
1.- GENERAL CHARACTERISTICS 1.2 .- ELECTRICAL DATA Electrical consumptions to add to the unit indoor and to the set CIC/H 020S CIC/H 025S CIC/H 030S CIC/H 035S CIC/H 040S Maximum Maximum Maximum Maximum Maximum Maximum Maximum Maximum Maximum Maximum absorbed absorbed absorbed absorbed... -
Page 7: Indoorfan Performances
1.- GENERAL CHARACTERISTICS 1.4.- RETURN FAN PERFORMANCES Air fl ow (m 055D 070D Air fl ow (m Return fan Return fan 9950 10825 11700 12850 12450 13550 14650 15090 (RPM) (RPM) ASP PI ASP PI ASP PI ASP PI ASP PI ASP PI ASP PI ASP PI Closed pulley Closed pulley 255 2,37 257 2,56 260 2,77 260 3,05... - Page 8 1.- GENERAL CHARACTERISTICS 1.5.- INDOOR FAN PERFORMANCES VENTILATION HP1 CLOSED CLOSED 1 TURN 2 TURNS 3 TURNS 4 TURNS 1 TURN 2 TURNS 3 TURNS 4 TURNS PULLEY PULLEY 1041 1098 1051 1003 m3/h Available static pressure Pa. m3/h Available static pressure Pa. 7950 3150 045D...
- Page 9 1.- GENERAL CHARACTERISTICS 1.5.- INDOOR FAN PERFORMANCES. VENTILATION HP2 CLOSED CLOSED 1 TURN 2 TURNS 3 TURNS 4 TURNS 1 TURN 2 TURNS 3 TURNS 4 TURNS PULLEY PULLEY 1172 1109 1047 1103 1044 Available static pressure Pa. m3/h Available static pressure Pa. m3/h 12450 6950...
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Page 10: Option Pressure Drop
1.- GENERAL CHARACTERISTICS 1.6.- OPTION PRESSURE DROP (Pa) Unit models 020S 025S 030S Airfl ow (m 3150 3425 3700 4100 4250 4625 5000 5500 4650 5050 5450 6000 Free-cooling High effi ciency fi lter Hot water coil Unit models 035S 040S 045D Caudal de aire (m... -
Page 11: Outdoo Fan Performances
1.- GENERAL CHARACTERISTICS 1.7.- OUTDOOR FAN PERFORMANCE (Pressure available Pa) STANDARD UNITS WITHOUT OPTIONS 020S (m3/h) (rpm) 5300 6100 6850 7600 8100 Closed pulley 1 turn 2 turns 3 turns 4 turns (m3/h) 025S (rpm) 5950 6800 8500 9100 Closed pulley 1 turn 2 turns 3 turns... -
Page 12: Piping Drawings
1.- GENERAL CHARACTERISTICS 1.8.- PIPING DRAWINGS COOLING ONLY UNITS CMC 020/025/030/035/040 Fan motor Scroll compressor LPT1 HPT1 Coil Coil Expansion valve Filter drier (ELEMENTO OPCIONAL) OPTION ELEMENT CMC 045 Scroll compressor LPT1 HPT1 Fan motor Coil Expansion valve Filter drier Scroll compressor LPT2 HPT2... - Page 13 1.- GENERAL CHARACTERISTICS 1.8.- PIPING DRAWINGS COOLING ONLY UNITS Fan motor CMC 055/070/085 Scroll compressor LPT1 HPT1 Coil Expansion valve Filter drier 055/070/085 Fan motor Scroll compressor LPT2 HPT2 Coil Expansion valve Filter drier OPTION ELEMENT (ELEMENTO OPCIONAL) Crank case heater. (Low ambient 0ºC or -15ºC option). Pressure gauge.
- Page 14 1.- GENERAL CHARACTERISTICS 1.8.- PIPING DRAWINGS HEAT PUMP UNITS Fan motor CMH 020/025/030/035/040 Scroll compressor 4-way valve HPT1 LPT1 Coil Coil Filter drier Expansion valve Expansion valve Check valve Check valve CMH 045 Scroll compressor 4-way valve LPT1 HPT1 Filter drier Expansion valve Expansion valve Coil...
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Page 15: Piping Drawings
1.- GENERAL CHARACTERISTICS 1.8.- PIPING DRAWINGS HEAT PUMP UNITS CMH 055/070/085 Fan motor Scroll compressor 4-way valve HPT1 LPT1 Coil Filter drier Expansion valve Expansion valve Check valve Check valve Fan motor 055/070/085 Scroll compressor 4-way valve LPT2 HPT2 Coil Suction accumulator (Long distance connection option) Filter drier... -
Page 16: Unit Dimensions
1.- GENERAL CHARACTERISTICS 1.9.- UNIT DIMENSIONS CMC/CMH 020S/025S/030S/035S/040S/045D SPLIT - STANDARD HORIZONTAL DISCHARGE SPLIT - OPTIONAL VERTICAL DISCHARGE External drainage Electrical box - 3/4” thread External drainage - 3/4” thread Power supply cable entry Back view Front view “A” BOX “B”... -
Page 17: Unit Dimensions
1.- GENERAL CHARACTERISTICS 1.9.- UNIT DIMENSIONS FREE-COOLING WITHOUT RETURN FAN MODELS 020S to 045D INDOOR OUTDOOR AIR EXHAUST UNIT EXHAUST (View back) (View front) . 5 5 4 0 0 8 8 7 7 . 5 4 0 2 3 9 0 5 0 0 5 0 0 5 0 0... -
Page 18: Preliminary Preparations
LENNOX Distribution Department and stating why the machine is unacceptable on the transport agent’s delivery note. Any later complaint or claim made to the LENNOX Distribution Department for this type of damage cannot be considered under the Guarantee. -
Page 19: Optional Operations Prior To Unit Instalation
2.- INSTALLATION 2.3.- OPTIONAL OPERATIONS PRIOR TO UNIT INSTALATION INDOOR SECTION THE VENTILATION IS FORMED BY: 1.- Centrifugal fan ( single or double). 2.- Activating motor. 3.- Fixed pulley at the fan. 4.- Adjustable pulley at the motor fan. 5.- transmission pulley or pulleys. 6.- Base of the motor with displacement system for tensioning of belts. -
Page 20: Unit Location
2.- INSTALLATION 2.3.- UNIT LOCATION - The bedplate is made up of two metal channels, capable of with standing the weight of the units whether hung from the ceiling or mounted on the fl oor. - If the unit is fl oor mounted, then the profi les should be isolated with shock absorbing material such as anti-vibration or pads. Keep in mind that fans rotate at approximately 850 rpm. -
Page 21: Installation Clearances
2.- INSTALLATION 2.5.- INSTALLATION CLEARANCES Clearance around the unit for service and maintenance SERVICE SPACE Space should be left free for access or servicing, to ease the installation of cables, drainage connections, electric installation and cleaning fi lters, as well as easy access to the unit. 1 m. -
Page 22: Electrical Connections
2.- INSTALLATION 2.7.- ELECTRICAL CONNECTIONS - BEFORE MAKING ANY ELECTRICAL CONNECTIONS, ENSURE THAT ALL CIRCUIT BREAKERS ARE OPEN. - IN ORDER TO MAKE THE ELECTRICAL CONNECTIONS, FOLLOW THE ELECTRICAL DIAGRAM SUPPLIED WITH THE UNIT. POWER SUPPLY DADS HR/T LDRP DPT /DIFS Cuadro eléctrico HR/T... - Page 23 2.- INSTALLATION 2.7.- ELECTRICAL CONNECTIONS COMFORT AND SERVICE TERMINAL...
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Page 24: Options Installation
2.- INSTALLATION 2.8.- OPTIONS INSTALLATION Safety thermostat Small panel for contactors ELECTRICAL HEATER and connections The electrical heater must be supplied from the unit’s electrical box. Location of the electrical heater once installed Support HOT WATER COIL PROTECTION AGAINST FREEZING: •... - Page 25 2.- INSTALLATION 2.8.- OPTIONS INSTALLATION THERMOSTATIC AND ENTHALPIC FREE-COOLING WITHOUT RETURN FAN CMC/CMH 020S TO 045D OUTDOOR UNIT 5x1 Shielded 2x1 Shielded HR/T ELECTRICAL 5x1.5 (Standard version) 6x1.5+3x1.5 (With EFM) 2x1 Shielded 2x1 Shielded To be wired by the installer 2x1 Shielded 5x1 Shielded HR/T...
- Page 26 2.- INSTALLATION 2.8.- OPTIONS INSTALLATION THERMOSTATIC AND ENTHALPIC FREE-COOLING WITH RETURN FAN CMC/CMH 055D TO 085D. To be wired by the installer The drawings show the top view OUTDOOR UNIT 5x1 Shielded 2x1 Shielded HR/T 5x1.5 (Standard version) 2x1 Shielded ELECTRICAL 6x1.5+4x2.5 (With EFM) 2x1 Shieled...
- Page 27 2.- INSTALLATION 2.8.- OPTIONS INSTALLATION COMMUNICATION CAPABILITIES 1. BMS MODBUS_RS485 connection. 2. BMS LONWORKS_Echelon connection. 3. BMS BACnet connection. BM60 BM60 BM60 BM60 SERIAL SERIAL SERIAL SERIAL CARD CARD CARD CARD RS485 MODBUS RS485 MODBUS LON WORKS FTT 10A Cable c. section (mm LON WORKS FTT 10A BACNET BACNET...
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Page 28: Commissioning And Operation Page
3.- COMMISSIONING AND OPERATION 3.1.- PRELIMINARY CHECKS BEFORE FIRST INSTALLATION - Check that the power supply is the same as stated on the Rating Plate which is in agreement with the electrical diagram for the unit and that cable sizes are correct. - Check that tightness of the electrical connections to their terminals and to ground. -
Page 29: Preliminary Checks At First Installation
3.- COMMISSIONING AND OPERATION 3.2.- PRELIMINARY CHECKS AT FIRST INSTALLATION To start the unit, follow the instructions given in the User Manual for the control supplied with the unit (requiring operation in any of the modes, cooling, heating, or automatic). After a time delay, the unit will start. - Page 30 All work on the unit must be carried out by a qualifi ed and compliance, replacement of components shall be carried out authorised employee. using spare parts, or using parts approved by Lennox. Non-compliance with the following instructions may result in in- Only the coolant shown on the manufacturer’s nameplate jury or serious accidents.
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Page 31: Preventive Maintenance
4.- MAINTENANCE 4.1.- PREVENTIVE MAINTENANCE PREVENTIVE MAINTENANCE PREVENTS COSTLY REPAIRS. THIS REQUIRES PERIODIC INSPECTIONS: - AIR FILTER : The air fi lter can be removed through the side by sliding it over the rail or downwards. (See fi gure). For downwards removal, remove the two profi les that support it (depending on the model) which are under the fi... -
Page 32: Corrective Maintenance
4.- MAINTENANCE 4.2.- CORRECTIVE MAINTENANCE - Take very special care if 4-way or check valves are to be replaced since these have internal components that are very heat-sensitive such as plastic, tefl on, etc. - If a compressor is to be replaced, disconnect it electrically and un-braze the suction and discharge lines. Remove the securing screws and replace the old compressor with the new one. -
Page 33: Failure Diagnosis
4.- MAINTENANCE 4.3.- FAILURE DIAGNOSIS In case of failure or malfunction of the unit, the display on the control panel will show an error or alarm warning which is explained in the control panel manual. Nevertheless, whenever there is a unit fault, the unit should be shut down and our service technicians consulted. - Page 34 NOTES...
- Page 35 NOTES...
- Page 36 OTHER COUNTRIES : LENNOX DISTRIBUTION PORTUGAL +33 4 72 23 20 00 +351 229 066 050 Due to Lennox’s ongoing commitment to quality, the specifi cations, ratings and dimensions are subject to change without notice and without incurring liability. Improper installation,...