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Compact 4-Way Cassette Indoor Unit 

Nitrogen must be charged 
according to technical 
requirements. 

Short circuit is forbidden. Do 
not cancel the pressure 
switch in case the unit may 
be damaged.   

For units with wired 
controller, do not connect 
power supply until the wired 
controller is well installed. 
Otherwise, the wired 
controller cannot be used. 

When the installation is 
finished, please check and 
make sure the drain pipe, 
pipeline and electric wire are 
all well connected in order to 
avoid water leakage, 
refrigerant leakage, electric 
shock or fire hazard. 

Do not extend fingers or 
objects into air outlet or air 
return grille. 

If you use gas heater or 
petroleum heater in the same 
room, please open the door 
or window to maintain good 
air circulation in case the 
room may lack of oxygen. 

Never start or stop the air 
conditioner by inserting or 
removing the power cord. 

Do not turn off the air 
conditioner until it runs for at 
least 5 minutes. Otherwise, 
oil-return of the compressor 
will be affected. 

Children are not allowed to 
operate the air conditioner. 

Do not operate the air 
conditioner with wet hands. 

Please turn the unit off and 
unplug your air conditioner 
before cleaning. Otherwise, it 
may cause electric shock or 
personal injury. 

Do not spray water on the air 
conditioner or it will cause 
malfunction or electric shock. 

Do not expose the air 
conditioner directly to water 
or place it in a damp or 
corrosive environment. 

Connect power supply 8 
hours before operation. Do 
not disconnect power if you 
want to stop the unit in a 
short period of time, e.g. in 
one night (This is for 
protecting the compressor). 

Содержание VRF VECC007C432P

Страница 1: ...ompact 4 Way Cassette AHRI Thank you for selecting LENNOX air conditioners Please read this manual carefully before operation and keep it for further reference Indoor VECC007C432P VECC009C432P VECC012...

Страница 2: ......

Страница 3: ...ct inspection and operational test before leaving the factory In order to avoid damage due to improper disassembly and inspection which may impact the normal operation of unit please do not disassembl...

Страница 4: ......

Страница 5: ...tallation and Drainage System Testing 10 4 4 Panel Installation 14 4 5 Installation of Wired Controller 15 5 Wiring Work 15 5 1 Connection of Wire and Patch Board Terminal 16 5 2 Power Cord Connection...

Страница 6: ...ctions in this manual Read this manual carefully before starting up or checking the machine Installation should be performed by dealer or qualified technicians Do not install the product by yourself I...

Страница 7: ...oor or window to maintain good air circulation in case the room may lack of oxygen Never start or stop the air conditioner by inserting or removing the power cord Do not turn off the air conditioner u...

Страница 8: ...use electric shock or fire hazard Please contact LENNOX service center and have it repaired by professional technicians Any personal injury or property loss caused by improper installation improper de...

Страница 9: ...ted Heating 21 1 70 15 6 60 3 Preparations for Installation Note this picture is for reference only please refer to the actual product the unit of dimension is mm 3 1 Standard Fittings Please use the...

Страница 10: ...om drainage pipe 3 There should be no obstruction near air inlet and air outlet 4 Follow the installation distance required in the fig below to ensure sufficient space for maintenance 5 The installati...

Страница 11: ...1 Select Communication Line for Indoor Unit and Wired Controller Fig 3 3 1 Material type Total length of communication line between indoor unit and wired controller L m Wire size mm2 Material Standard...

Страница 12: ...d wire 3 4 Wiring Requirements 1 Dimension of power cord and capacity of air switch Notes The circuit breaker and power cord specification in above sheet are based on max power max current of the unit...

Страница 13: ...432P 1 4 1 2 VECC015C432P 1 4 1 2 VECC018C432P 3 8 5 8 Important The drilling work and installation of unit must be carried out by qualified personnel 4 1 2 Suspend the Indoor Unit 1 Drill bolt holes...

Страница 14: ...plate will prevent the washer from falling 3 The usage of paper pattern Refer to paper pattern of installation for ceiling opening dimension The center of ceiling opening is indicated on the paper pa...

Страница 15: ...4 Wrap the connection pipe and joint with sponge and then tie them firmly with tape 4 3 Drainage Pipe Installation and Drainage System Testing 4 3 1 Notice for Installation of Drainage Pipe 1 The dra...

Страница 16: ...he connection pipes PVC pipe outside diameter 25mm thickness 1 5mm 2 Keep drainage pipe short and sloping downwards at a gradient of at least 1 for preventing forming air bubbles 3 Insert the drainage...

Страница 17: ...he installation height of raising pipe for drainage should be lower than B The gradient from raising pipe towards drainage direction should be at least 1 2 If the raising pipe is vertical with the uni...

Страница 18: ...ump etc 1 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 2 If commun...

Страница 19: ...r installation if not please adjust the body position Fig 4 4 2 3 Connect the decoration panel terminals Female to body terminals male as shown in figure4 4 3 Fig 4 4 3 4 4 2 Panel Installation 1 Deta...

Страница 20: ...the body firmly 5 After tightening screws reinstall the air inlet grille Fig 4 4 5 4 5 Installation of Wired Controller Wired controller is optional accessory If wired controller is needed please cont...

Страница 21: ...rd and connection wire between indoor unit and outdoor unit 11 If the project needs higher static pressure you can set it through the wired controller 12 The appliance must be fitted with means for di...

Страница 22: ...th single phase power supply 1 Detach the electric box cover 2 Let the power cord pass through the wiring through holes 3 Connect the power cord to terminal L N 4 Fix the power card with wiring clamp...

Страница 23: ...unication wire to terminal H1 and H2 of indoor 4 bit wiring board 4 Fix the communication wire with clamp 5 Wiring instructions of signal receiver and wired controller 1 Wired controller standard is s...

Страница 24: ...st be the same if they are controlled by the same wired controller When the indoor unit is controlled by two wired controllers the addresses of the two wired controllers should be different through ad...

Страница 25: ...k if the air inlet and air outlet of indoor and outdoor unit are blocked 2 Check if the grounding wire is in good condition 3 Check if all the power cord and communication cable are securely connected...

Страница 26: ...loop is abnormal The unit stops after running for a while The inlet or outlet of ODU or IDU are blocked by obstacle Control loop is abnormal Set the unit in cooling mode when outdoor ambient T is high...

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Страница 28: ...t us at 1 305 718 2901 lennoxglobalhvac lennoxind com c 2019 Lennox Industries Inc For a complete list of the registered and common law trademarks owned by Lennox Industries Inc please visit www lenno...

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