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Related Manuals for Lennox VRF VECC007C432P
Summary of Contents for Lennox VRF VECC007C432P
- Page 1 Indoor Units Installation Manual Compact 4-Way Cassette-AHRI VECC007C432P VECC009C432P VECC012C432P VECC015C432P VECC018C432P Thank you for selecting LENNOX air conditioners. Please read this manual carefully before operation and keep it for further reference.
- Page 3 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...
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Page 5: Table Of Contents
Contents 1 Safety Notices (Please be sure to abide) · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 1 2 Product Introduction ·... -
Page 6: Safety Notices (Please Be Sure To Abide)
Compact 4-Way Cassette Indoor Unit 1 Safety Notices Warning: If not strictly followed, it may cause severe damage to the unit or the people. Note: If not followed strictly, it may cause slight or medium damage to the unit or the people. This sign indicates that the operation must be prohibited. - Page 7 Compact 4-Way Cassette Indoor Unit Short circuit is forbidden. Do Nitrogen must be charged not cancel the pressure according to technical switch in case the unit may requirements. be damaged. When the installation is For units with wired finished, please check and controller, do not connect make sure the drain pipe, power supply until the wired...
- Page 8 Do not repair the air please turn off the unit at conditioner by yourself. once and disconnect power Improper repair will cause supply. Then contact LENNOX electric shock or fire hazard. service center. If the air Please contact LENNOX conditioner continues to...
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Page 9: Product Introduction
Compact 4-Way Cassette Indoor Unit 2 Product Introduction 2.1 Names of Key Components ① ② ③ ④ ⑤ Air Inlet Grille Name the hanger bracket Drainage Pipe Louver Connection Pipe (With Filter) 2.2 Rated Working Condition Indoor Side Condition Outdoor Side Condition Dry Bulb Temp℃( Wet Bulb Temp℃( Dry Bulb Temp℃(... -
Page 10: Installation Position Selection
Compact 4-Way Cassette Indoor Unit Name Appearance Q'ty Usage Sponge To insulate the drain pipe. Fastener To fasten the sponge. paper pattern for installation Locate the drill hole on ceiling. Tapping screw with washer Fix paper pattern. Remote controller To control the indoor unit. Washer fixing plate Prevent the washer from falling off. -
Page 11: Requirements Of Communication Wire Selection
Compact 4-Way Cassette Indoor Unit 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. ③ Make sure all the installation work completed before energizing. 3.3 Requirements of communication wire selection Note! If air conditioner used under strong electronic-magnetic interference circumstance, STP... -
Page 12: Wiring Requirements
Compact 4-Way Cassette Indoor Unit Total Length L (m) of Communication Cable between Material Material Type Wire size (mm Remarks Indoor Unit and Standard Indoor (Outdoor) Unit 1. If the wire diameter is enlarged to 2×1 , the total communication line Light/Ordinary length can reach 1500 m. -
Page 13: Installation Instructions
Compact 4-Way Cassette Indoor Unit 4 Installation Instructions 4.1 Indoor unit installation 4.1.1 Indoor Unit Dimension and Suspension Bolt Position Fig 4.1.1 Below are dimensions of A, B, C, etc. for different models: Unit: mm Outer Diameter of Drainage Connection Pipe Pipe(Outer Model Diameter×wall... - Page 14 Compact 4-Way Cassette Indoor Unit Fig 4.1.2 Fig 4.1.3 2) Insert the M10 expansion bolt into the hole and then knock the nail into the bolt, as shown in fig 4.1.4. Note: The length of bolt depends on the installation height of the unit, bolts are field supplied. Fig 4.1.4 (2) Install the indoor unit temporarily.
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Page 15: Refrigerant Pipe Connection
Compact 4-Way Cassette Indoor Unit 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. (2) Use a torque wrench to tighten up the flaring nut until the wrench gives out a click sound. Torque for tightening nut Pipe diameter mm(in) Torque (N·m) - Page 16 Compact 4-Way Cassette Indoor Unit (3) Install drainage pipe according to the following fig and arrange insulation to the drainage pipe. Improper installation may lead to water leakage and damp the furniture and other things in the room. (4) You can buy normal hard PVC pipe used as the drainage pipe. During connection, insert the end of PVC pipe into the drainage hole and then tighten it with drainage hole and wire binder.
- Page 17 Compact 4-Way Cassette Indoor Unit NO.3: Inserting horizontal pipe connection (Fig 4.3.2.4). Fig 4.3.2.2 Fig 4.3.2.3 Fig 4.3.2.4 (8) Drainage 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 (39-59in). (39-59in) Fig 4.3.2.5 (9) The installation height of raising pipe for drainage should be lower than B.
- Page 18 Compact 4-Way Cassette Indoor Unit (10) During the installation, distance from soft drain pipe to the gasket is C mm when the bolt is tightened. It is not allowed to apply PVC or other related glue in the joints of two ends of drain pipe.
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Page 19: Panel Installation
Compact 4-Way Cassette Indoor Unit 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. Fig 4.4.2 (3) Connect the decoration panel terminals (Female) to body terminals (male) as shown in figure4.4.3. -
Page 20: Installation Of Wired Controller
Compact 4-Way Cassette Indoor Unit (2) Temporality hang the panel to body (there is four hangers on each corner of the panel, hang the hangers to corresponding hooks on the body), as shown in fig 4.4.5. (3) Detach the air inlet grille from panel, make a wiring connection of signal receiver. Notices that the connection wire not stuck in the middle of body and panel, or may cause air leakage and lead to condensation water drop. -
Page 21: Connection Of Wire And Patch Board Terminal
Compact 4-Way Cassette Indoor Unit incorrect wiring could cause malfunction or even damage the unit. 2) The capacity of power supply must be sufficient and the sectional area of wires in the room should be above 2.5mm (AWG 26). 3) The unit should be powered by independent circuit and specific socket. 4) The wiring should be in accordance with related regulations in order to ensure the units operate reliably. -
Page 22: Power Cord Connection
Compact 4-Way Cassette Indoor Unit to tighten the terminal screw. Units: mm(in) Fig 5.1.1 Fig 5.1.2 5.2 Power Cord Connection Notes： ① Every unit should be equipped with a circuit breaker for short-circuit and overload protection. ② During operation, all indoor units connected to the same outdoor unit system must be kept energized status. -
Page 23: Connection Of Communication Wire For Wired Controller
Compact 4-Way Cassette Indoor Unit Fig 5.3.1 Fig 5.3.2 (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 Compact 4-Way Cassette Indoor Unit (4) One wired controller can control 16 indoor units in maximum at the same time. (As shown in Fig 5.5) top using it immediately and contact local service center for assistance. Notes： ① The type of indoor units must be the same if they are controlled by the same wired controller.
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Page 25: Routine Maintenance
Compact 4-Way Cassette 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: Troubleshooting
Compact 4-Way Cassette Indoor Unit Error Error Error Content Content Content Code Code Code Inlet Pipe Temperature Indoor Unit CO Sensor Freeze protection Sensor Error Error Outlet Pipe No Master Indoor Unit Water Temperature Temperature Sensor Error Sensor Error Error Power Insufficiency Humidity Sensor Error Communication Error... - Page 28 Contact 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.lennox.com...