Summary of Contents for Carrier 40VD H-8S-TST Series
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11 289 50 164 VRF Concealed Duct High Static Pressure air conditioner For commercial use สํ า หรั บ ใช ง านเชิ ง พาณิ ช ย Model name: 40VD____H-8S-TST Installation Manual Notice: is committed to continuously improving its products to ensure the highest quality and reliability standards, and to meet local regulations and market requirements.
– 1 – Original instruction Thank you for purchasing this air conditioner. Please read carefully through these instructions that contain important information and ensure that you understand them. Please read this Installation Manual carefully before installing the Air Conditioner. After completing the installation work, hand over this Installation Manual as well as the Owner’s Manual provided •...
Definition of Protective Gear Warning indications on the air conditioner unit When the air conditioner is to be transported, installed, maintained, repaired or removed, wear protective gloves and ‘Safety’ work clothing. In addition to such normal protective gear, wear the protective gear described below when undertaking the special Warning indication Description work detailed in the following table.
– 3 – • Only a qualified installer(*1) or qualified service person(*1) is Precautions for safety allowed to undertake work at heights using a stand of 50 cm or The manufacturer shall not assume any liability for the damage more or to remove the intake grille of the indoor unit to undertake caused by not observing the description of this manual.
• When the air conditioner must be transported by hand, carry it by Installation four or more people. • Suction duct length must be longer than 850 mm. • Do not move or repair any unit by yourself. There is high voltage •...
– 5 – • Tighten the flare nut with a torque wrench in the specified • Do not connect earth wires to gas pipes, water pipes, and manner. Excessive tighten of the flare nut may cause a crack in lightning conductor or telephone earth wires. the flare nut after a long period, which may result in refrigerant •...
• After the work has finished, use an insulation tester set CAUTION (500V Megger) to check the resistance is 1MΩ or more between New refrigerant air conditioner installation the charge section and the non-charge metal section • This air conditioner adopts the new HFC refrigerant (R410A) (Earth section).
– 7 – Accessory parts Selection of installation place Accessory parts Avoid installing in the following places Select a location for the indoor unit where the cool or warm air will circulate evenly. Avoid installation in the following kinds of locations. Part name Q’ty Shape...
Installation under high-humidity atmosphere Installation space (Unit: mm) In some cases including the rainy season, especially inside of the ceiling may become high-humidity atmosphere Reserve sufficient space required for installation or service work. (dew-point temperature: 23 °C or higher). Space required for installation and servicing 1.
– 9 – Installation of hanging bolt Installation of indoor unit Installation Consider the piping / wiring after the unit is hung to Treatment of ceiling CAUTION determine the location of the indoor unit installation The ceiling differs according to structure of building. and orientation.
REQUIREMENT Drain piping Removing the cardboard for transportation CAUTION Make sure to remove the protection cardboard for transportation that is inserted in the gap between the top cabinet and the heat exchanger before installing the indoor unit. Following the Installation Manual, perform the drain piping work so that water is properly drained. Apply a heat insulation so as not to cause a dew condensation.
– 11 – Connecting drain pipe Heat insulating process Insert flexible drain hose into the drain pipe of main unit as far as it will go. Fix it with hose band. As shown in the figure, cover the flexible hose and hose band with the attached heat insulator up to the bottom of the indoor unit tightly.
– 13 – Duct design Duct design Arrangement (Unit: mm) Referring to the following dimensions, manufacture duct at the local site. In order to prevent short circuits, design (Thickness of plate : 0.8 mm) the duct work so that the intake and discharge openings are not adjacent to <Air outlet>...
Refrigerant piping Tightening connection CAUTION CAUTION Do not burn the pipe heat insulator. Refrigerant piping Flaring Be careful for the flame, due to the brazing Do not apply excessive torque. Otherwise, the Cut the pipe with a pipe cutter. process on the ceiling. nut may crack depending on the conditions.
– 15 – Refrigerant amount to be added Heat insulation process Electrical connection For addition of the refrigerant, add refrigerant “R410A” Apply heat insulation for the pipes separately at liquid referring to the attached Installation Manual of outdoor side and gas side. Power supply wire and unit.
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Power supply [Uh line] L1 = Up to 2000 m Power supply 220V ~, 50 Hz Power supply switch/circuit breaker or power supply wiring/fuse rating for indoor units should be selected by the [Uv and Uc line] accumulated total current values of the indoor units. L2 = Up to 1000 m Below 20 m 2.5 mm²...
– 17 – Remote controller wiring Wiring between indoor unit and outdoor unit 2-core with non-polarity wire is used for wiring of the remote controller wiring and group remote controllers wiring. Remote controller wiring, remote controller inter-unit NOTE Wire size: 0.5 mm² to 2.0 mm² wiring An outdoor unit that is interconnected to the indoor units automatically becomes the header unit.
Wire connection Remote controller wiring Strip off approx. 9 mm the wire to be connected. REQUIREMENT Wiring diagram Connect the wires matching the terminal numbers. Incorrect connection causes a trouble. Pass the wires through the bushing of wire connection holes of the indoor unit. Keep a margin (Approx.
– 19 – External static pressure Applicable controls Each time [ ] setting button is pushed, indoor unit numbers in the group settings control change cyclically. Select the indoor Applicable controls setup REQUIREMENT unit to change settings for. To set the external static pressure, refer to the (settings at the site) The fan of the selected indoor unit runs.
Filter sign setting Group control <Setting up on the circuit board of the indoor unit> To set up the external static pressure, use the DIP switch on the circuit board of the wireless reception part. For details, refer to the instruction manual of the wireless remote controller kit. Alternatively, use the switch on the According to the installation condition, the filter sign In a group control, a remote controller can control up indoor micro computer circuit board as shown in the following figure and table.
– 21 – Wired remote controller Test run Be sure to stop the air conditioner before making settings. Before test run Execute a test run (Change the setup while the air conditioner is not working.) Before turning on the power supply, carry out the When a fan operation is to be performed for an following procedure.
Maintenance Periodic Maintenance For environmental conservation, it is strongly recommended that the indoor and outdoor units of the air conditioner in use be cleaned and maintained regularly to ensure efficient operation of the air conditioner. When the air conditioner is operated for a long time, periodic maintenance (once a year) is recommended. CAUTION Furthermore, regularly check the outdoor unit for rust and scratches, and remove them or apply rustproof treatment, if necessary.
– 23 – Troubleshooting Confi rmation and check If a problem occurs with the air conditioner, the OFF timer indicator alternately shows the check code and the indoor Unit No. in which the problem occurred. Check code The indoor Unit No. in which the problem occurred.
Check method On the wired remote controller, central control remote controller and the interface P.C. Board of the outdoor unit (I/F), a check display LCD (Remote controller) or 7-segment display (on the outdoor interface P.C. Board) to display the operation is provided.
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Check code Wireless remote controller Outdoor unit 7-segment display Sensor block display of receiving unit Check code name Judging device Wired remote controller display Auxiliary code Operation Timer Ready Flash ─ Model mismatch of indoor and outdoor unit ─ ─ Indoor unit centre unit duplicated Indoor unit ─...
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– 27 – Check code Wireless remote controller Outdoor unit 7-segment display Sensor block display of receiving unit Check code name Judging device Wired remote controller display Auxiliary code Operation Timer Ready Flash 01: Comp. 1 side 02: Comp. 2 side IPM short protection trouble Inverter 03: Comp.
Warnings on Refrigerant Leakage Important 2) When there is an effective opening with the adjacent room for ventilation of leaking refrigerant gas Check of concentration limit (opening without a door, or an opening 0.15% or larger than the respective floor spaces at the top or bottom of the door).
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