Lennox VESD007N432U, Installation Manual

Page 1: ...ESD013N432U VESD015N432U VESD017N432U VESD019N432U VESD021N432U VESD024N432U VRF Iutdoor Units Installation Manual Slim Fan Coil Thank you for selecting LENNOX air conditioners Please read this manual carefully before operation and keep it for further reference Ducted ...

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Page 3: ...nly for your reference For sales or production reasons these graphics are subject to change by manufacturer without prior notice 8 Under the standby status the unit will consume a little power for ensuring reliability of complete unit maintaining normal communication and preheating refrigerant When the unit won t be used for a long time cut off the power of the complete unit However please preheat...

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Page 5: ...n 9 4 3 Installation and Test of Drain Pipe 9 4 4 Installation of Air Duct 12 4 5 Installation of Wired Controller 15 5 Wire Connection 15 5 1 Connection of Wire and Wiring Board Terminal 15 5 2 Power Cord Connection 16 5 3 Connection of Communication Line of IDU and ODU 17 5 4 Connection of Communication Line of Wired Controller 17 5 5 Instructions on Connecting Wired Controller and IDU Network 1...

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Page 7: ...o as to avoid electric shock Please do not connect the ground wire to gas pipe water pipe lightning rod or telephone line Be sure to use the exclusive accessory and part to prevent the water leakage electric shock and fire accidents Frefrigerant leakage happens during installation please ventilate immediately Poisonous gas will emerge if the refrigerant gas meets fire Wire size of power cord shoul...

Page 8: ...ose the unit to the moist or corrosive circumstances Electrify the unit 8 hours before operation Please switch on for 8 hours before operation Do not cut off the power when 24 hours short time halting to protect the compressor Volatile liquid such as diluent or gas will damage the unit appearance Only use soft cloth with a little neutral detergent to clean the outer casing of unit Under cooling mo...

Page 9: ...Dehumidifying Fan Speed Adjustment Temperature Adjustment X fan Function Quiet Function Sleep Function Save Function E heater Function Memory Function Absence Function Timer Function Low Temp Dehumidify Function Filter Cleaning Reminding Function I Feel ｘ Light Function Swing Notes included ｘ not included Please refer to the user manual of Wired Controller or Remote Controller for function details...

Page 10: ...ser Manual 1 copy Loosen leaf of Instruction Manual 1 copy harmful substance content table Qualified Certificate 1 copy Bar Code 1 copy 3 2 Location for Installation 1 The top holder must be strong enough to support unit s weight 2 Drain pipe can drain water out easily 3 There is no obstacle at inlet or outlet Please ensure good air circulation 4 In order to make sure the space for maintenance ple...

Page 11: ...re size mm 2 AWG Material Standard Remarks Light Ordinary polyvinyl chloride sheathed cord 60227 IEC 52 60227 IEC 53 L 250m L 820 1 5feet 2 0 75 2 1 25 2 AWG18 2 AWG16 IEC 60227 5 2007 1 Total length of communication line can t exceed 250m 820 1 5feet 2 The cord shall be Circular cord the cores shall be twisted together 3 If unit is installed in places with intense magnetic field or strong interfe...

Page 12: ...pacity appropriately according to the specifications of power cord and air switch provided by manufacturer 2 Install cut off device near the unit The minimum distance between each stage of cut off device should be 3mm The same for both indoor unit and outdoor unit 3 If the supply cord is damaged it must be replaced by the manufacturer or its service agent or a similarly qualified person in order t...

Page 13: ...200 450 474 VESD024N432U 1360 415 1300 200 450 474 4 1 2 Punching of Bolt Spots and Bolt Installation Punch holes on the installation area according to the 4 spots on the paper pattern The punching diameter may refer to the diameter of expansion bolt about 60mm to 70mm depth as shown in Fig 4 1 2 Fig 4 1 2 Insert the expansion bolt M10 into the hole and then drive the iron nail into the bolt as sh...

Page 14: ...f IDU and ODU that need to be connected with the indoor unit Punch holes on the ceiling air return opening or air inlet Ceiling may have to be strengthened to make it level and to prevent it from vibration You may consult user or constructor for details If the ceiling is not strong enough you can install a beam bracket in a corner and secure the unit on the beam 4 1 4 Horizontal Alignment After th...

Page 15: ...ble and slope downward for at least 1 2 so that condensate can drain out easily 2 Size of the drainage hose must not be smaller than that of the drain pipe 3 Install the drain pipe according to the following diagram and make it insulated Improper installation will lead to water leakage and furniture and other objects may get wet 4 You can buy local hard PVC pipe as drain pipe When connecting the p...

Page 16: ...hen connecting several drain pipes follow the instruction as indicated in Fig 4 3 4 Choose the drain collecting pipe that matches with unit capacity Fig 4 3 4 5 5 For indoor units that have high pressure at the outlet of drain pipe use water sealed joint 6 For indoor units that have high pressure at the outlet of drain pipe use water sealed joint 7 Install the water sealed joint according to Fig 4...

Page 17: ...in pipes should have a downward slope of at least 1 2 in order to prevent pipes from sagging install hanger bracket at intervals of 1000 1500mm Fig 4 3 10 4 3 3 Test of Drainage System Models without water pump 1 Fill some water to the water tray of indoor unit as following 1 Connect the drain hose to the other drain connection pipe of water tray and fill about 1L water as shown in 4 3 11 Remove t...

Page 18: ...sconnect power cord and then put on the electric box cover 2 Check if the water drains smoothly from the drain pipe and check if there is water leakage on the connection pipe 3 Arrange insulation of drain hose and pipe clamp after checking the drain system 4 4 Installation of Air Duct Notes There should be insulation layer on air out duct air return duct and fresh air duct to avoid heat loss and m...

Page 19: ...Canvas Duct 7 Supply Air Duct 3 Return Air Blinds 8 Diffuser 4 Hanger Rod 9 Diffuser Connector 5 Supply Air Outlet 4 4 2 Shape and Size of Air Outlet and Air return Opening The following figure is applicable for the models below VESD007N432U VESD008N432U VESD009N432U VESD011N432U VESD012N432U VESD013N432U VESD015N432U VESD017N432U VESD019N432U VESD021N432U VESD024N432U Fig 4 4 3 Item Model Dimensi...

Page 20: ... return from the bottom will produce more noise than air return from the back So we suggest you to add a noise damper and static pressure case to lower noise if you choose air return from the bottom 5 Select the appropriate installation way based on actual construction and maintenance needs as shown in Fig 4 4 5 Fig 4 4 5 No Name No Name 1 Return Air Inlet with filter 4 Indoor unit 2 Canvas Duct 5...

Page 21: ...6 Install specialized branch circuit breaker according to related laws and regulations and electrical standards 7 All wiring must use pressure terminal or single wire Multi twisted wire that connects directly to the wiring board may cause fire hazard 8 Keep the wires away from refrigerant pipe compressor and fan 9 Do not alter the inner wires of air conditioner Manufacturer does not assume respons...

Page 22: ...o remove screw on the wiring board of air conditioner 3 Use a round terminal fastener or a plier to securely fasten the round terminal with each core wire of the multi core wire 4 Confirm each position of core wire on the round terminal and then use a screwdriver to tighten the terminal screw Fig 5 1 1 Fig 5 1 2 5 2 Power Cord Connection Note Power supply of each indoor unit must be from the same ...

Page 23: ... the wire clamp on the electric box 5 In order to ensure the reliability of communication between IDU and ODU and the communication among each IDU add a matched resistance supplied in a package before ex factory on the wiring board of the last indoor unit in a series connection The matched resistance should be connected in parallel between terminal screw D1 and D2 as shown in Fig 5 3 2 5 4 Connect...

Page 24: ...n IDU and wired controller is H1 H2 3 One indoor unit can connect two wired controllers master wired controller and sub master wired controller 4 One wired controller is able to control 16 indoor units at the same time shown in Fig 5 5 Notes When the wired controller is controlling multiple indoor units at the same time the indoor units must be of the same model When two wired controllers are cont...

Page 25: ...Slim Fan Coil Indoor Unit 19 Fig 5 5 ...

Page 26: ...eck whether grounding wire is in good condition 3 Check whether wire connection is correct 4 Connect the power and check whether the display screen of wired controller shows any characters 6 3 Maintenance After Use season 1 When the weather is sunny operate the air conditioner for half a day to let its inner part dry 2 If you won t use the air conditioner for a long time disconnect power please Wh...

Page 27: ...Inlet and outlet of IDU are blocked Setting temperature is too high Refrigerant is insufficient e g refrigerant leakage Poor heating effect The filter is dirty Door or window is open Setting temperature is too low Refrigerant is insufficient e g refrigerant leakage Indoor fan doesn t start up during heating At starting the IDU fan could not operate till the heat exchange become hot for preventing ...

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