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Multi Variable Air Conditioners Compact Cassette Type Indoor Unit 

20 

 

Fig.5.5.1 

6 Routine Maintenance 

 

(1)  Do turn off the unit and cut off the main power supply when cleaning the air conditioner to 

avoid electric shock or injury. 

(2)  Stand at solid table when cleaning the unit. 
(3)  Do not clean the unit with hot water whose temperature is higher than 45°C (113°F) to prevent 

fade or deformation. 

(4)  Do not dry the filters by fire, or it may catch fire or become deformed. 
(5)  Clean the filter with a wet cloth dipped in neutral detergent. 
(6)  Please contact after-sales service staff if there is abnormal situation. 

6.1 Cleaning of Filter 

(1)  Remove the filters from inlet of IDU. Use a vacuum cleaner to remove dust. If the filters are 

dirty, wash them with warm water and mild detergent, and dry the filters in the shade. 

(2)  If the unit used in the environment with much dust, please clean it regularly. (Usually once 

every two weeks). 

6.2 Maintenance before the Seasonal Use 

(1)  Check if the air inlet and air outlet of indoor and outdoor unit are blocked. 
(2)  Check if securely grounded. 
(3)  Check if all the power cord and communication cable are securely connected. 
(4)  Check if any error code displayed after energized. 

 

Summary of Contents for VRF VE8C005C432P

Page 1: ...l Compact 8 Way Cassette Thank you for selecting LENNOX air conditioners Please read this manual carefully before operation and keep it for further reference VE8C005C432P VE8C007C432P VE8C009C432P VE8...

Page 2: ......

Page 3: ...te normally please contact our service center as soon as possible and provide the following information 1 Content on the nameplate model number cooling capacity production code ex factory date 2 Malfu...

Page 4: ...turer 3 After verification the defect of product is directly caused by corrosive gas 4 After verification defects are due to improper operation during transportation of product 5 Operate repair mainta...

Page 5: ...Testing 9 4 4 Locking Joint Installation 13 4 5 Panel Installation 14 4 6 Installation of Wired Controller 16 5 Wiring Work 16 5 1 Connection of Wire and Patch Board Terminal 16 5 2 Power Cord Connect...

Page 6: ...te normally 13 When installation is finished please check whether the drainage pipes pipelines and electric wires are connected correctly to avoid water leakage refrigerant leakage electric shock or f...

Page 7: ...on 2 1 Names of Key Components Fig 2 1 1 No 1 2 3 4 Name Drainage device Drainage Pipe Air flow flap Connection Pipe 2 2 Rated Working Condition Indoor Side Condition Outdoor Side Condition Dry Bulb T...

Page 8: ...ling off 12 Fastener 200mm 4 To fasten the sponge 13 Bolt with Washer 4 To fix the installation paperboard on the unit 14 Enswathement 2 Used for winding the pipe connecting the indoor and outdoor uni...

Page 9: ...t shall be installed in accordance with national standards or local regulations 2 Only qualified personnel can carry out installation work please contact with local dealer before installation 3 Make s...

Page 10: ...mmunication Wire between Indoor Unit and Indoor Unit or Outdoor Unit Fig 3 3 2 Material Type Total Length L m ft of Communication Cable between Indoor Unit and Indoor Outdoor Wire size mm2 AWG Materia...

Page 11: ...ture of 40 C 104 F 4 The circuit breaker specification in above sheet is based on ambient temperature of 40 C 104 F If the working condition is different please adjust it according to the specificatio...

Page 12: ...temporarily Assemble suspension bolt on the expansion bolt attach the hanger bracket to the suspension bolt Be sure to fix it securely by using a nut and washer from upper and lower sides of the hange...

Page 13: ...screwed joint and then tighten the flaring nut with hand as shown in Fig 4 2 1 2 Use a torque wrench to tighten up the flaring nut until the wrench gives out a click sound Fig 4 2 1 Pipe diameter mm i...

Page 14: ...he following Fig 4 3 1 and arrange insulation to the drainage pipe Improper installation may lead to water leakage and damp the furniture and other things in the room 7 You can buy normal hard PVC pip...

Page 15: ...ected to vertical pipe in the same level please select the connection way as shown in following figure 1 Three way connection of drainage pipe joints Fig 4 3 3 2 Connection of downspout elbow Fig 4 3...

Page 16: ...e less than C as shown in Fig 4 3 7 Unit mm inch Fig 4 3 7 Unit mm inch Model A B C 225 8 7 8 975 38 3 8 925 36 7 16 11 During the installation distance from soft drain pipe to the gasket is C when th...

Page 17: ...p etc 2 In case of commissioning finished please energize the IDUs and switch to cooling or dry mode meanwhile the water pump operates you can check the draining through the drain socket 3 If communic...

Page 18: ...ed to be fixed through the side panel locking connector The fixing process is as follows 1 Remove the locking joint bracket from the side panel Fig 4 4 1 2 Attach the locking joint to the locking join...

Page 19: ...ion 1 Improper decorative panel installation could cause the following problems Fig 4 5 1 2 Ensure that it s clearance free between decoration panels and ceiling board after installation if not please...

Page 20: ...keep the mark and fittings on the same corner as shown in Fig 4 5 4 Fig 4 5 4 2 Adjust the position of panel to make the panel holes fix at the holes on the units 3 Fix the 4 screws at the two side of...

Page 21: ...y read the wiring diagram before carry out the wiring work incorrect wiring could cause malfunction or even damage the unit 3 The unit should be powered by independent circuit and specific socket 4 Th...

Page 22: ...terminal board 3 Insert the wire into the ring tongue terminal and tighten by crimping tool 4 Use the screwdriver for tightening the terminal Unit mm inch Fig 5 1 1 Fig 5 1 2 5 2 Power Cord Connection...

Page 23: ...shown in Fig 5 3 1 Fig 5 3 1 Fig 5 3 2 4 Fix the communication cable with clamp of electric box 5 For more reliable communication make sure connect the terminal resistor to the most downstream IDU of...

Page 24: ...2 2 Wired controller is connected to H1 H2 3 One indoor unit can connect two wired controllers that must be set as master one and slave one 4 One wired controller can control 16 indoor units in maximu...

Page 25: ...oth dipped in neutral detergent 6 Please contact after sales service staff if there is abnormal situation 6 1 Cleaning of Filter 1 Remove the filters from inlet of IDU Use a vacuum cleaner to remove d...

Page 26: ...rature Sensor Error dL Indoor Unit CO2 Sensor Error L5 Freeze Protection d4 Inlet Pipe Temperature Sensor Error dE Capacity DIP Switch Setting Error L7 No Master Indoor Unit Error d6 Outlet Pipe Tempe...

Page 27: ...t temperature is higher than 43 109 Poor cooling effect The filter is dirty or blocked Too heavy heat load of room e g too many people Door or windows is open Air inlet and outlet of IDU are blocked S...

Page 28: ...t us at 1 305 718 2901 lennoxglobalhvac lennoxintl com C 2020 Lennox Industries Inc For a complete list of the registered and common law trademarks owned by Lennox Industries Inc please visit www lenn...

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