Lennox VRF VEAH024N432P Installation & Operation Instructions Download Page 9

codes/regulations.  The  manufacturer  assumes  no  responsibilities  for  equipment  installed  in 
violation of any codes or regulations.   

3.1.4 Replacement Parts 

When reporting shortages or damages, or ordering repair parts, give the complete product 

model  and  serial  numbers  as  stamped  on  the  product.  Replacement  parts for  this  product are 
available through your contractor or local distributor.   

3.2 Important Safety Instructions   

Recognize Safety Symbols, Words, and Labels 

The following symbols and labels are used throughout this manual to indicate immediate or 

potential hazards. It is the owner‟s responsibility to read and comply with all safety information and 
instructions accompanying these symbols. Failure to heed safety information increases the risk of 
serious personal injury or death, property damage and/or product damage. 

DANGER

: Immediate hazards which will result in property damage, product damage, 

severe personal injury or death. 

WARNING

:  Hazards  or  unsafe  pratices  could  result  in  property  damage,  product 

damage, severe personal injury or death. 

CAUTION

: Hazards or unsafe practices which may result in property damage, product 

damage, severe personal injury or death. 

WARNING

: Before serving or installing this equipment. The electrical power to this unit 

must be in the “off” position. Caution, more than one disconnect may exist. Failure to observe this 
warning may result in an electrical shock that can cause personal injury or death. 

WARNING

:  The  United  States  environmental  protection  agency  („epa”)  has  issued 

various regulations regarding the introduction and disposal of refrigerants introduced into this unit. 
Failure to follow these regulations may harm the enviroment and can lead to the imposition of 
substantial fines. These regulations may vary due to the passage of laws. A certified technician 
must perform the installation and service of this product. Should questions arise, contact your local 
epa office.     

WARNING

: Due to high system pressure and electrical shock in potential, installation 

and service work can be dangerous. Only trained and qualified personnels are permitted to install 
or service this equipment. Observe all warnings contained in this manual and labels/tags attached 
to the equipment. 

WARNING

: This product is factory shipped for use with a 208-230/1/60 electrical power 

supply. This air handler must not be reconfigured to operate with any other power supply. 

WARNING

:  The  unit  must  have  an  uninterrupted,  unbroken  electric  grounding  to 

minimize the possibility of personal injury if an electric fault occurs. The electric grounding circuit 

Lennox VRF Air Handler Indoor Unit

Summary of Contents for VRF VEAH024N432P

Page 1: ...Compact Cassette 4C 4 Way Cassette 1C 1 Way Cassette 2C 2 Way Cassette HD High Static Fan Coil SD Slim Fan Coil LD Low Static Fan Coil GD Large Fan Coil HS AH Air Handler OA Outside Air Evaporator Typ...

Page 2: ......

Page 3: ...y yourself If you need to disassemble and check units please contact our service center We will send specialists to guide the disassembly 6 All graphics in this manual is only for your reference For s...

Page 4: ...tions 9 4 1 Dimension Data 9 4 2 Location 10 4 2 1 Installation Site 10 4 2 2 Air Handler 10 4 3 Piping Work 11 4 3 1 Specification of Connection Pipe 11 4 3 2 Piping Preparation 11 4 4 Condensate Rem...

Page 5: ...ase 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...

Page 6: ...unit might be damaged and lead to electric shock or fire Open the door and window and keep good ventilation in the room to avoid oxygen deficit when the gas oil supplied heating equipment is used Tur...

Page 7: ...ulb Temp Wet Bulb Temp Dry Bulb Temp Wet Bulb Temp Rated Cooling 27 80 6 19 66 2 35 95 24 75 2 Rated Heating 20 68 0 15 59 0 7 44 6 6 42 8 Indoor Unit Working Temperature Range 16 C 32 C 2 3 Unit Func...

Page 8: ...accessories are correct prior to installation The distributor or manufacturer will not accept claims from dealers for transportation damage or installation of incorrectly shipped units 3 1 2 Before In...

Page 9: ...nstalling this equipment The electrical power to this unit must be in the off position Caution more than one disconnect may exist Failure to observe this warning may result in an electrical shock that...

Page 10: ...carbon monoxide CO poisoning resulting from the exhaust emissions If a furnace or air handler is installed in an enclosed area such as a garge utility room or parking area and a carbon monoxide produ...

Page 11: ...Fig 3 3 2 Wire type Total length of communication wire between indoor unit and indoor unit outdoor unit m feet Wire diameter mm2 AWG Wire standard Remark communication line for indoor unit Light Ordin...

Page 12: ...t long please increase properly the sectional area of power cord to avoid overload which may cause accident 3 Above selection requirements Power cord size is based on BV single core wire 2 4pc at 40 1...

Page 13: ...5 8 295 16 3 4 426 18 1 8 460 21 1 4 540 43 1 2 1105 11 5 8 295 16 3 4 426 21 1 4 540 21 1 4 540 48 1 4 1224 11 5 8 295 20 508 21 1 4 540 21 1 4 540 48 1 4 1224 11 5 8 295 20 508 24 7 8 630 21 1 4 54...

Page 14: ...the instructions provided with the condenser Service clearance is to take precedence Allow a minimum of 24 in front of the unit for service clearance When installing in an area directly over a finishe...

Page 15: ...uid Pipe in 5 8 3 8 5 8 3 8 5 8 3 8 5 8 3 8 5 8 3 8 4 3 2 Piping Preparation All cut ends are to be round burr free and cleaned Failure to follow this practice increases the chances for refrigerant le...

Page 16: ...low can result in improper performance and compressor or heater failure Ductwork is to be constructed in a manner that limits restrictions and maintains suitable air velocity Ductwork is to be sealed...

Page 17: ...static pressure via wired controller according to site circumstance 9 If the supply cord is damaged it must be replaced by manufacturer its service agent or similarly qualified persons in order to av...

Page 18: ...le pass through the wiring through holes 3 Connect the communication wire to terminal D1 and D2 of indoor 4 bit wiring board as shown in fig5 3 1 Fig 5 3 1 Fig 5 3 2 4 Fix the communication cable with...

Page 19: ...nd 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 wired controllers that must be set as master one and slave one 4 One wir...

Page 20: ...16 Fig 5 5 Lennox VRF Air Handler Indoor Unit...

Page 21: ...lters 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 week...

Page 22: ...r for professional service The following checks prior to contact may save your time and money Phenomenon Troubleshooting The unit can t start Power supply is not connected Circuit breaker tripping cau...

Page 23: ......

Page 24: ...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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