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Multi Variable Air Conditioners WALL Mounted Type Indoor Unit 

11 

7 Maintenance Method 

(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)

 

Volatile liquid like thinner or gasoline would damage the appearance of the air conditioner. (Only s oft dry 
cloth and wet cloth moistened with neutral detergent could be used to clean the surface panel of the air 
conditioner.) 

(6)

 

Please contact after-sales service staff if there is abnormal situation. 

7.1 Cleaning panel 

Do take down it before cleaning. 

(1)

  Pull along the direction of arrows to take down the panel. 

(2)

  Clean the panel 

Clean it with a soft-hair brush, water and neutral cleaning fluid, and then dry it. 

(3)

  Install the panel 

As shown in Fig.II, install the stands of both ends of the panel into the slot and put the middle 

rotating shaft into the groove, then place the panel and clasp back along the arrow direction. 

Fig 7.1.1 

Fig 7.1.2 

7.2 Cleaning the air filters 

Clean it once every 3 months; When the usage environment has lots of dust, it should be 

cleaned more frequently. 

(1)

  Take down the air filter 

As shown in Fig.III, open the surface panel by holding the both ends of groove along the 

arrow direction, and then take the air filter out downward. 

(2)

  Clean the filter 

Use cleaner or water to wash the filter; if the filter is too dirty ( like oil stain on it ), warm water 

( lower than 45°C) with neutral detergent can be used, then dry it in the shade. 

 Do not clean the filter by hot water higher than 45°C(113 

°F)

 for preventing fade or deformation.

 Do not burn it on fire or the filter would catches fire or deformation.

Summary of Contents for VRF VEHW007C432P

Page 1: ...il GD Large Fan Coil HS AH Air Handler OA Outside Air Evaporator Types Thank you for selecting LENNOX air conditioners Please read this manual carefully before operation and keep it for further refere...

Page 2: ......

Page 3: ...ers should well keep this manual 6 If this unit fails to operate normally please contact our service center as soon as possible and provide the following information 1 Content on the name plate model...

Page 4: ......

Page 5: ...Connect Cables and Terminals of Wiring Board 7 5 2 Power Cord Connection 8 5 3 Connection of Communication Line of IDU and ODU 8 5 4 Connection of Communication Line of Wired Controller 9 5 5 Illumina...

Page 6: ...ipment is used 10 Never start up or shut off the air conditioner by means of directly plug or unplug the power cord 11 Turn off the unit after it runs at least five minutes otherwise it will influence...

Page 7: ...oft cloth with a little neutral detergent to clean the outer casing of unit 26 If anything abnormal happens such as burning smell please power off the unit and cut off the main power supply and then i...

Page 8: ...unctioncaused by the unit that is not installed by the Lennox appointed service center would probably not be dealt with on time because of the inconvenience of the business contact 3 It should be guid...

Page 9: ...communication line for indoor unit and indoor unit outdoor unit Fig 3 2 2 Material Type Total Length L m feet of Communication Cable between Indoor Unit and Indoor Outdoor Unit Wire size mm 2 AWG Mat...

Page 10: ...city appropriately according to the specifications of power cord and air switch provided by manufacturer 4 Install cut off device near the unit The minimum distance between each stage of cut off devic...

Page 11: ...door unit automatically Then you can reset the master indoor unit by remote controller or wired controller 4 3 1 Setting by remote controller Point the remote controller at the light board or wired co...

Page 12: ...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 The wiring should be in accordance with...

Page 13: ...for tightening the terminal Fig 5 1 1 Fig 5 1 2 5 2 Power Cord Connection NOTICE All indoor units must be unified of power supply so that they can be powered ON OFF at the same time Fig 5 2 For units...

Page 14: ...Controller and Indoor Units Network 1 Communication wire of indoor unit and outdoor unit or indoor unit is connected to D1 D2 2 Wired controller is connected to H1 H2 3 One indoor unit can connect two...

Page 15: ...roperly in proper to prevent electricity wasting It is better tocontrol the difference of the indoor and outdoor temperatures within 5 C 41 F 2 The better effect will be maintained by adjusting the gu...

Page 16: ...ows to take down the panel 2 Clean the panel Clean it with a soft hair brush water and neutral cleaning fluid and then dry it 3 Install the panel As shown in Fig II install the stands of both ends of...

Page 17: ...e season 1 Clean filter and body of air conditioner 2 Cut off the main power supply of air conditioner 8 Table of Error Codes for Indoor Unit Error Code Content Error Code Content Error Code Content L...

Page 18: ...If TIMER had been set on the wireless remote controller The cooling heating effect of the air conditioner was not good Is the temperature set properly Is the inlet outlet vent of the outdoor unit bloc...

Page 19: ...te controller can make the guide louver swing up and down or makes the guide louver stop at a certain angle to have air supplied 2 Press the SWING button on the wireless remote controller to make the...

Page 20: ...t us at 1 305 718 2901 LennoxGlobalHVAC Lennoxintl com C 2016 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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