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innovair MULTI-MAX VOM0847H7RE605 Service Manual

Outdoor multi-condenser units
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Service Manual
Outdoor Multi-Condenser Units
Model:
WARNING
•
The information contained in the manual is intended for use by a qualified service technician
familiar with safety procedures and equipped with the proper tools and test instruments
•
Installation or repairs made by unqualified persons can result in hazards to you and others.
•
Failure to carefully read and follow all instructions in this manual can result in equipment
malfunction, property damage, personal injury and/or death.
•
This manual is only for service engineer to use.
VOM0847H7RE605

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Summary of Contents for innovair MULTI-MAX VOM0847H7RE605

  • Page 1 Service Manual Outdoor Multi-Condenser Units Model: VOM0847H7RE605 WARNING • The information contained in the manual is intended for use by a qualified service technician familiar with safety procedures and equipped with the proper tools and test instruments • Installation or repairs made by unqualified persons can result in hazards to you and others. •...
  • Page 2 SERVICE MANUAL SERVICE MANUAL Preface Innovair Multi-Max System adopts the cutting-edge manufacturing technology and takes global acknowledged, environmental- friendly R410A as refrigerant, which is a green product in the 21 century. Please carefully read this manual before installation and operation. Instructions before reading this manual：...
  • Page 3 User Notice This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities or lack of experience and knowledge unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety. Children should be supervised to ensure that they do not play with the appliance.

  • Page 4: Table Of Contents

    Contents 1 Safety Precautions....................1 2 Product Introduction....................3 2.1 Name of Main Parts..........................3 2.2 Combina�ons for outdoor and indoor units ..................4 2.3 Rated working condi�on ........................5 2.4 The range of produc�on working temperature..................5 3 Preparation before Installation .................. 6 3.1 Standard parts ............................

  • Page 5: Safety Precautions

    25) If anything abnormal happens (such as burning smell), please power off the unit and cut off the main power supply, and then immediately contact Innovair appointed service center. If abnormality keeps going, the unit might be damaged and lead to electric shock or fire.
  • Page 6 SYSTEM-OUTDOOR UNIT OWNER'S MANUAL Innovair is not responsible of personal injury or equipment damage caused by improper insta llation and commission, unnecessary service and incapable of following the rules and instructions listed in this manual.

  • Page 7: Product Introduction

    15%~120% can be realized. V arious product lineup is provided with capacity range from 30KBtu to 42KBtu, which can be widely used in boarding house and working area and especially applicable to the place with variable load change. Innovair commercial air conditioner is absolutely your best choice.

  • Page 8: Combina�Ons For Outdoor And Indoor Units

    SYSTEM-OUTDOOR UNIT OWNER'S MANUAL 2.2 Combinations for outdoor and indoor units Wall Mounted Wall Mounted Duct Type Cassettle Type Flooring Ceiling Indoor Unit Indoor Unit Indoor Unit Indoor Unit Indoor Unit Fig 2 See Fig.2 for Combinations for Outdoor and Indoor Units. For the Multi-Max series air conditioning syst em, one outdoor unit is able to drive up to five indoor units which can be cassette type, duct type, wall-mounted or floor ceiling type.

  • Page 9: Rated Working Condi�On

    SYSTEM-OUTDOOR UNIT OWNER'S MANUAL 2.3 Rated working condition Table 2 Indoor side state Outdoor side state Dry buib temp.℉ Wet buib temp.℉ Dry buib temp.℉ Wet buib temp.℉ Rating cooling 80.06 66.92 75.02 Rating Heating 69.98 60.08 43.00 NOTICE 1) The following listed cooling /heating capacity and noise is tested before outgoing. 2) The parameters below are tested under rated working condition.

  • Page 10: Preparation Before Installation

    SYSTEM-OUTDOOR UNIT OWNER'S MANUAL 3 Preparation before Installation 3.1 Standard parts Please use the following standard parts supplied by INNOVAIR. Table 4 Pars of Outdoor Unit Number name picture Quantity Remark Owner's manual 30K:8 Tube connector 36K:8 subassy 42K:9 3.2 Selecting installation site 1) Install the unit at a place where is adequate to withstand the weight of the unit and make sure the unit would not shake or fall off.

  • Page 11: Piping Connec�On

    SYSTEM-OUTDOOR UNIT OWNER'S MANUAL 3.3 Piping Connection The maximum pipe length is shown in the following table. When the distance between units (piping length) is out of the range listed below, normal run of the unit can not be guaranteed. Table 5 Connecting Pipe (inch) Max.

  • Page 12: Installation Instruction

    SYSTEM-OUTDOOR UNIT OWNER'S MANUAL 4 Installation Instruction 4.1 Outline and dimension of the outdoor unit VOM0847H7RE605 Outline dimension and Mounting holes 14 1/4 42 1/2 17 1/3 24 5/6 Unit:inch Fig 5...

  • Page 13: Installa�On Of The Connec�On Pipe

    SYSTEM-OUTDOOR UNIT OWNER'S MANUAL 4.2 Installation of the Connection Pipe Connecting piping for indoor unit and outdoor unit are in manifold mode. (As shown below). Fig 6 4.2.1 Piping between the Indoor and Outdoor Units (1) If the liquid and gas stop valves which have the sign of A , B, C, D or E have not been connected to the indoor units, please turn off the screw cap with the spanner airproof.
  • Page 14 SYSTEM-OUTDOOR UNIT OWNER'S MANUAL Allowable Length and Height Fall of the Refrigerant Pipe Table 7 Allowable V alue Fitting Pipe VOM0847H7RE605 Total length (actual length) of fitting 246.1ft +…+L (M ≤5) pipe Length of farthest fitting pipe (ft) 82ft (X=1 , 2, 3, 4,5) Outdoor unit at Height difference 49.2ft...

  • Page 15: Air Purging And Refrigerant Charge

    SYSTEM-OUTDOOR UNIT OWNER'S MANUAL After the pipe is protected well enough, never bend it to form a small angle; otherwise it would crack or break. (3)Wrap the Pipe with Tape a. Bundle the refrigerant pipe and electric wire together with tape, and separate them from the drain pipe to prevent the condensate water overflowing.

  • Page 16: Electric Wiring

    SYSTEM-OUTDOOR UNIT OWNER'S MANUAL (2) Calculation of the Additional Refrigerant Charge Additional Refrigerant Charge= (ΣLength of Liquid Pipeφ0.375×54+ΣLength of Liquid Pipeφ0.25×22) -880 he biggest additional refrigerant charge value is 800g. It means that if the calculated value exceed 800g, the additional refrigerant charge takes 800g, while the calculated value less than 800g, the additional refrigerant charge takes the calculated value.
  • Page 17 SYSTEM-OUTDOOR UNIT OWNER'S MANUAL 4.4.2 Earthing Requirements (1) The air conditioner is classified into the Class I appliances, so its earthing must be reliable. (2) The yellow-green line of the air conditioner is the earth line and can not be used for other purpose, cut off or fixed by the tapping screw;...

  • Page 18: Troubleshooting

    2) Do not repair the air conditioning personally but instead contact the professionally skilled personnel at the INNOVAIR appointed service center, as the incorrect repair would cause electric shock or fire hazard etc. Check before Contacting Service Center.

  • Page 19: The Conditions Listed Below Are Not Classified Into Errors

    When the unit is running. The odors absorbed in are blown out again. NOTICE! If problem can not be solved after checking the above items, please contact Innovair service center and show phenomena and models. Following circumstance are not malfunction...
  • Page 20 SYSTEM-OUTDOOR UNIT OWNER'S MANUAL running next operation Mode conflict COOL or HEAT mode can not When the indoor operating mode conflicts with that of be operated outdoor unit, indoor fault indicator will flash and conflict will be shown on the wired controller after 5 minutes. Indoor unit stops to run and meanwhile change outdoor operating mode as the same as that of indoor unit, then the unit will go back to normal.

  • Page 21: Troubleshooting

    SYSTEM-OUTDOOR UNIT OWNER'S MANUAL 7 Troubleshooting The error code will be displayed on the wired controller and the main board of the outdoor unit The meaning of each error, as shown in table 13. Table 12 The indicator display Name of malfunction Yellow light Red light Green light...

  • Page 22: Maintenance

    (4) In the event of rusting, use the anti-rust paint to stop spreading of rust. 8.5 Parts Replacement Purchase parts from INNOVAIR appointed service center or dealer if necessary. NOTICE! During airtight and leakage test, never mix oxygen, ethyne and other dangerous gas into refrigeration...

  • Page 23: After-Sales Service

    Innovair. Warranty should meet the following requirements: (1) First run of the unit should be operated by professional personnel from Innovair appointed service center. (2) Only Innovair manufactured accessories can be used on the machine.
  • Page 24 The design and speci cations are subject to change without prior notice for product improvement. Consult with the sales agency or manufacturer for details.

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