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Summary of Contents for Lennox VE8C007N432U
- Page 1 VRF Indoor Unit Installation Manual 8-Way Cassette VE8C007N432U VE8C009N432U VE8C012N432U VE8C015N432U VE8C017N432U VE8C019N432U Thank you for selecting LENNOX air conditioners. Please read this manual carefully before operation and keep it for further reference.
- Page 2 To Users Thank you for selecting LENNOX’s product. Please read this instruction manual carefully before installing and using the product, so as to master and correctly use the product. In order to guide you to correctly install and use our product and achieve expected operating effect, we hereby instruct as...
- Page 3 Exception Clauses Manufacturer will bear no responsibilities when personal injury or property loss is caused by the following reasons: (1) Damage the product due to improper use or misuse of the product; (2) Alter, change, maintain or use the product with other equipment without abiding by the instruction manual of manufacturer;...
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Page 4: Table Of Contents
Contents 1 Safety Notices (Please be sure to abide) ................1 2 Product Introduction ....................... 4 2.1 Names of Key Components ....................4 2.2 Rated Working Condition ....................4 3 Preparations for Installation ....................4 3.1 Standard Fittings ......................... 4 3.2 Installation Position Selection ..................... -
Page 5: Safety Notices (Please Be Sure To Abide)
Multi Variable Air Conditioners Compact Cassette Type Indoor Unit 1 Safety Notices (Please be sure to abide) WARNING! If not abide strictly, it may cause severe damage to the unit or the people. NOTICE! If not abide strictly, it may cause slight or medium damage to the unit or the people. - Page 6 Multi Variable Air Conditioners Compact Cassette Type Indoor Unit R410A refrigerant can Please use specialized produce poisonous gas accessories or parts to carry once it meets fire, so out installation, or water please ventilate the room leakage, electric shock, fire immediately if refrigerant hazard may resulted.
- Page 7 An all-pole disconnection device which has at least 3mm clearances in all poles, and disconnection must be incorporated in the fixed wiring in accordance with the wiring rules. LENNOX will not assume responsibility for any personal injury or property loss caused by improper installation, improper debugging, unnecessary repair or not following the instructions of this manual.
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Page 8: Product Introduction
Multi Variable Air Conditioners Compact Cassette Type Indoor Unit 2 Product Introduction 2.1 Names of Key Components Fig.2.1 Name Drainage device Drainage Pipe Air flow flap Connection Pipe 2.2 Rated Working Condition Indoor Side Condition Outdoor Side Condition — Dry Bulb Temp °C Wet Bulb Temp °C Dry Bulb Temp °C Wet Bulb Temp °C... -
Page 9: Installation Position Selection
Multi Variable Air Conditioners Compact Cassette Type Indoor Unit Name Appearance Q'ty Usage Insulation To insulate the liquid pipe. To prevent the communication wire from Flannelette reaching out the electric raceway. Fastener(300mm) To fasten the sponge. Bolt sub-assy Fix the panel. Corrugated pipe VE8C019N432U Sponge... -
Page 10: Requirements Of Communication Wire Selection
Multi Variable Air Conditioners Compact Cassette Type Indoor Unit Unit:mm Fig.3.2 Unit:mm Model VE8C007N432U VE8C009N432U VE8C012N432U VE8C015N432U VE8C017N432U VE8C019N432U NOTES! ① The unit shall be installed in accordance with national standards or local regulations. ② Only qualified personnel can carry out installation work, please contact with local dealer before installation. -
Page 11: Wiring Requirements
Multi Variable Air Conditioners Compact Cassette Type Indoor Unit Total length of communication line Wire size Material Material type Remarks between indoor unit and Standard wired controller L (m) 1. Total length of communication line can't exceed 250m. Light/Ordinary 2. The cord shall be Circular cord (the polyvinyl chloride 2×0.75 cores shall be twisted together). -
Page 12: Installation Instructions
Minimum Minimum Air Switch Capacity Sectional Area of Model Power Supply Sectional Area of Grounding Power Cord (mm Wire(mm VE8C007N432U VE8C009N432U VE8C012N432U 220-240V-1ph-50Hz 208-230V-1ph-60Hz VE8C015N432U VE8C017N432U VE8C019N432U 4 Installation Instructions 4.1 Indoor unit installation 4.1.1 Indoor Unit Dimension and Suspension Bolt Position Fig.4.1.1... - Page 13 Multi Variable Air Conditioners Compact Cassette Type Indoor Unit 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 and install bolts Stick the paper pattern on the installation position; drill 4 holes according to the whole site on the cardboard as shown in Fig.4.1.2;...
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Page 14: Refrigerant Pipe Connection
Multi Variable Air Conditioners Compact Cassette Type Indoor Unit (6) Remove the washer locating plate and then tighten the nut on it. (7) Remove the paper pattern. Fig.4.1.5 4.2 Refrigerant Pipe Connection (1) Aim the flaring port of copper pipe at the center of screwed joint and then tighten the flaring nut with hand as shown in Fig.4.2. -
Page 15: Drainage Pipe Installation And Drainage System Testing
Multi Variable Air Conditioners Compact Cassette Type Indoor Unit (3) The pipe should not be bent too much or it may crack. Use a pipe bender when bending the pipe. (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) It is not allowed to connect the condensate drain pipe into waste pipe or other pipelines... - Page 16 Multi Variable Air Conditioners Compact Cassette Type Indoor Unit capacity of the unit, as show in Fig.4.3.2.1 ①-Drainage pipes assembled by T-shaped joints Fig.4.3.2.1 (7) The horizontal pipe can’t be connected to vertical pipe in the same level; please select the connection way as shown in following fig.
- Page 17 Multi Variable Air Conditioners Compact Cassette Type Indoor Unit Unit:mm Fig.4.3.2.6 Unit:mm model VE8C007N432U VE8C009N432U VE8C012N432U VE8C015N432U VE8C017N432U VE8C019N432U 4.3.3 Test of Drainage System (1) Please test drainage system after electric work is finished. Inject approximately 1L purified water to drain pan from air vent, ensure that not to splash the water over the electrical components (e.g.
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Page 18: Panel Installation
Multi Variable Air Conditioners Compact Cassette Type Indoor Unit Unit:mm Fig.4.3.3 4.4 Panel Installation 4.4.1 Notices for Installation (1) Improper decorative panel installation could cause the following problems. Fig.4.4.1 (2) Ensure that it’s clearance-free between decoration panels and ceiling board after installation, if not, please adjust the body position. - Page 19 Multi Variable Air Conditioners Compact Cassette Type Indoor Unit (3) Connect the decoration panel terminals (Female) to body terminals (Male) as shown in Fig.4.4.3. Fig.4.4.3 4.4.2 Panel Installation (1) Detach the panel’s Corner Cap, there is a mark “piping side” on one of the 4 corners, adjust the panel direction so as to keep the mark and fittings on the same corner, as shown in Fig.
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Page 20: Installation Of Wired Controller
Multi Variable Air Conditioners Compact Cassette Type Indoor Unit and lead to condensation water drop. (5) Tighten 4 screws at each corner of panel respectively, fix the panel on the body firmly. (6) Tighten the screw until the thickness of sealing material between panel and indoor unit is about 5-8mm. -
Page 21: Connection Of Wire And Patch Board Terminal
Multi Variable Air Conditioners Compact Cassette Type Indoor Unit (10) The communication wires should be separated from power cord 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 disconnection from the supply mains having a contact separation in all poles that provide full disconnection under overvoltage category III conditions, and these means must be incorporated in the fixed wiring in accordance with the... -
Page 22: Connection Of Communication Wire Between Indoor Unit And Outdoor Unit (Or Indoor Unit)
Multi Variable Air Conditioners Compact Cassette Type Indoor Unit Fig.5.2 For units with 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, "... -
Page 23: Connection Of Communication Wire For Wired Controller
Multi Variable Air Conditioners Compact Cassette Type Indoor Unit (4) Fix the communication cable with clamp of 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. - Page 24 Multi Variable Air Conditioners Compact Cassette Type Indoor Unit controllers should be different through address setting. Address 1 is for main wired controller; Address 2 is for slave wired controller. Detailed setting please refer to the owner’s manual of wired controller. Fig.5.5...
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Page 25: Routine Maintenance
Multi Variable Air Conditioners Compact Cassette Type Indoor Unit 6 Routine Maintenance WARNING! 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... -
Page 26: Table Of Error Codes For Indoor Unit
Multi Variable Air Conditioners Compact Cassette Type Indoor Unit 7 Table of Error Codes for Indoor Unit Error Error Error Content Content Content Code Code Code Indoor Units Incompatibility Indoor Unit Error Jumper Cap Error Error Indoor Unit Network Indoor Fan Protection Low Air Quality Warning Address Error ODU-IDU Incompatibility... -
Page 27: Troubleshooting
Multi Variable Air Conditioners Compact Cassette Type Indoor Unit 8 Troubleshooting The air conditioner is not expected to be serviced by users. Incorrect repair may cause electric shock or fire, so please contact an authorized service center for professional service. The following checks prior to contact may save your time and money. - Page 28 Contact us at +1-305-718-2901 lennoxglobalhvac@lennoxintl.com 2020 Lennox Industries Inc. For a complete list of the registered and common law trademarks owned by Lennox Industries Inc., please visit www.lennox.com...
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