Lennox LNIV2610 Service Manual
Hide thumbs
Also See for LNIV2610:
- User manual (8 pages) ,
- Owner's manual (8 pages) ,
- Installation manual (7 pages)
Related Manuals for Lennox LNIV2610
Summary of Contents for Lennox LNIV2610
-
Page 1: Air Conditioner
SERVICE MANUAL FOR ROOM AIR CONDITIONER (Inverter Split-Type) This manual is applicable only to the following models – LNIV2610 Australia 13 23 50 New Zealand 0800 653 330 LNIV3510 Web www.lennoxaus.com.au LNIV5010 LNIV6510... -
Page 2: Table Of Contents
CONTENTS 1. PRECAUTIONS 1. PRECAUTIONS ..............3 1.1 Safety precautions • Ensure the installation area does not deteriorate with age. 1.1 Safety precautions ............3 • To prevent injury to the user or other people and If the base collapses, the air conditioner could fall with it, property damage, the following instructions must be 1.2 Warning .............. -
Page 3: Functions
❯ OPERATIONAL CONSIDERATIONS • Be careful to avoid water entering the unit. 2. FUNCTIONS There is an increased risk of fi re, electric shock, or product • Do not expose the skin directly to cool air for long time. damage. (Do not sit in the draft). -
Page 4: Dimensions
3.2 Outdoor Unit 3. DIMENSIONS 3.1 Indoor Unit More than 30cm More than 60cm (Service space More than 30cm More than 60cm More than 70cm Model LNEO26V LNEO35V LNEO50V LNEO65V Model LNCO26V LNCO35V LNCO50V LNCO65V Model R(mm) L(mm) H(mm) Dimension of Installation Hole (mm) LNEO26V LNEO35V ∅65... -
Page 5: Refrigerant Cycle Diagram
4. REFRIGERANT CYCLE DIAGRAM 5. WIRING DIAGRAM 5.1 Indoor Unit INDOOR OUTDOOR LNEO26V CHECK VALVE LIQUID SIDE (Heating Model only) 2-WAY VALVE CAPILIARY TUBE HEAT HEAT EXCHANGE EXCHANGE (EVAPORATOR) (CONDENSER) GAS SIDE LNEO35V REVERSING VALVE 3-WAY VALVE (Heating Model only) ACCUMULATOR COOLING COMPRESSOR... -
Page 6: Outdoor Unit
LNEO50V 5.2 Outdoor Unit LNCO26V LNEO65V LNCO35V... -
Page 7: Installation Details
LNCO50V 6. INSTALLATION DETAILS 6.1 Torque wrench installation sheet Outside diameter Torque Additional tightening torque Inch N.cm N.cm ∅6.35 1500 (153kgf.cm) 1600 (163kgf.cm) ∅9.52 2500 (255kgf.cm) 2600 (265kgf.cm) ∅12.7 3500 (357kgf.cm) 3600 (367kgf.cm) ∅16 4500 (459kgf.cm) 4700 (479kgf.cm) ∅19 6500 (663kgf.cm) 6700 (683kgf.cm) 6.2 Connecting the cables The connecting power cord should be selected according to the following specifi... -
Page 8: Pipe Length And The Elevation
• Cooling or heating effi ciency drops. • Moisture in the refrigerant circuit may freeze and block capillary tubing. 3/8" 1/4" LNIV2610 • Water may lead to corrosion of parts in the refrigerant system. (∅9.53) (∅6.35) Therefore, the indoor units and the pipes between indoor and outdoor units must be leak-tested and properly cleared LNIV3510 1/2"... - Page 9 2. Air purging by refrigerant 3. Adding refrigerant if the pipe length >5m Electronic scale Procedure: Procedure: 1. Confi rm that both the 2-way and 3-way valves are set to the 5. Discharge the refrigerant. Close the valve on the charging 1.
-
Page 10: Adding The Refrigerant After Running
6.5 Adding the refrigerant after running the system for many years 6.6 Re-installation while the indoor unit need to be repaired 1. Collecting the refrigerant into the outdoor unit Electronic scale Procedure: Procedure: 1. Connect the charge hose to the 3-way service port, open the 5. -
Page 11: Re-Installation While The Outdoor Unit Need To Be Repaired
2. Air purging by the refrigerant 6.7 Re-installation while the outdoor unit need to be repaired 1. Evacuation of the whole system Procedure: Procedure: 1. Confi rm that both the 2-way and 3-way valves are set to the 5. Discharge the refrigerant. Close the valve on the charging 1. -
Page 12: Operation Characteristics
2. Refrigerant charging 7. OPERATION CHARACTERISTICS Operation Mode Outdoor temperature (ºC) Room temperature (ºC) Cooling operation 0 – 50 ≥17 Heating operation -15 – 34 ≤30 CAUTION 1. If the air conditioner is used outside the above conditions, certain safety protection features may come into operation and cause the unit to operate abnormally. -
Page 13: Electronic Functions
8.3 Main Protection 8.3.8 Zero crossing detection error protection 8. ELECTRONIC FUNCTIONS If the unit detects that the time interval is not suffi cient for a 8.3.1 Three Minutes Delay at restart for compressor continuous 240 secs, the unit will stop and the LED will display A 1 minute delay for the 1st start-up and 3 minutes’... - Page 14 If users switch on the unit by remote control, the compressor will run at the Fmax frequency for 7 minutes according to the outdoor 8.4.2.2 Outdoor fan running guidelines 8.4.3 Heating Mode ambient temperature. During the 7 minutes, the frequency limitation is active. 7 minutes later, the compressor running frequency will be 8.4.3.1 Compressor running guidelines controlled as below: The maximum operating frequency of the compressor after...
- Page 15 Auto fan action in heating mode: ▲T = 0°C as default. • The machine has run for 10 minutes in defrosting mode. While TCDE1 = 12°C, TCDE2 = 8°C for LNIV2610. Note: TCDE1 = 15°C, TCDE2 = 8°C for other models.
- Page 16 24°C setting temperature. < 48°C. 8.4.7 Timer function While TEH2 = 53°C for LNIV2610 and LNIV3510 8.4.7.1 Timing range is 24 hours. TEH2 = 55°C for LINV5010 and LNIV6510 8.4.7.2 Timer on. The machine will turn on automatically when reaching the set time.
-
Page 17: Troubleshooting
8.4.9 Auto-Restart function 8.4.11 Ionizer+ function (optional) 9. TROUBLESHOOTING The indoor unit is equipped with an auto-restart function, which is carried out through an auto-restart module. In the case of a sudden power failure, the module memorizes the set conditions before the power failure. - Page 18 9.2.2 Indoor and outdoor unit communication protection error 9.2.3 Fan speed has been out of control Turn off the power supply. After 1 minute, re-start Turn off the power supply and turn the unit using the remote control it back on 5 secs later The unit does not work normally The unit does not work normally Disassemble the connection between...
- Page 19 9.2.5 IGBT excessive current protection 9.2.7 High temperature protection of compressor top Check whether the connections between the Does the compressor work? Is the connection OK? Re-connect the wiring outdoor PCB and the IPM are good. Is the refrigerant circulation Is the protector OK? Replace it Check whether the IPM is affi...