– 1 – Contents Original instruction ADOPTION OF R32 REFRIGERANT Precautions for safety ............4 This air conditioner adopts the HFC refrigerant (R32) which does not destroy the ozone layer.
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Thank you for purchasing this Toshiba air conditioner. Definition of Protective Gear Please read carefully through these instructions that contain important information which complies with the When the air conditioner is to be transported, installed, maintained, repaired or removed, wear protective gloves Machinery Directive (Directive 2006/42/EC), and ensure that you understand them.
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– 3 – These safety cautions describe important matters concerning safety to prevent injury to users or other people Warning indication Description and damages to property. Please read through this manual after understanding the contents below (meanings of indications), and be sure to follow the description. WARNING WARNING Indication...
• Only a qualifi ed installer(*1) or qualifi ed 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. caused by not observing the description of this manual. •...
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– 5 – About the refrigerant Selection of installation location • This product contains fl uorinated greenhouse gases. • If you install the unit in a small room, take appropriate measures • Do not vent gases to the atmosphere. to prevent the refrigerant from exceeding the limit concentration •...
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Installation • For installation and relocation work, follow the instructions in • Install the air conditioner at enough strong places to withstand the Installation Manual and use tools and pipe components the weight of the unit. If the strength is not enough, the unit may specifi...
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– 7 – • Install the circuit breaker where it can be easily accessed by the • Upon completion of the installation work, check for refrigerant agent. leaks and check the insulation resistance and water drainage. • When installing the circuit breaker outdoors, install one which is Then conduct a test run to check that the air conditioner is designed to be used outdoors.
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WARNING Building or wall • After installation work, make sure below before operation. Obstacle - Connection pipes are connected properly and no leakage. Outdoor unit - Packed valves are fully open. Obstacle Running compressor without open packed valves may cause 600 mm or more abnormal high pressure and parts failure.
– 9 – Accessory parts Installation of R32 refrigerant air conditioner Part name Q’ty Shape Usage Hand this directly to the customer. CAUTION Installation Manual Booklet (For other languages that do not appear in this Installation Manual, please refer to the enclosed CD-ROM.) R32 refrigerant air conditioner installation CD-ROM —...
Installation conditions Bender Bending pipes Conventional tools (R410A) Refrigerant recovery equipment Refrigerant recovery Conventional tools (R32 or R410A) Before installation Air purge To purge air, use a vacuum pump. Torque wrench Tightening flare nuts Conventional tools (R410A) Be sure to prepare to the following items before Do not use refrigerant charged in the outdoor unit to installation.
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– 11 – Installation location Necessary space for <Example> CAUTION Suction hood (Side) installation (Unit: mm) Discharge hood WARNING Install the outdoor unit in a location where the discharge air is not blocked. Obstacle at rear side Discharge Install the outdoor unit properly in a location that When an outdoor unit is installed in a is durable enough to support the weight of the Upper side is free...
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Installation of outdoor unit Obstacle in front Obstacles in both front and rear of unit Set the out margin of the anchor bolt to 15 mm or less. Open above and to the right and left of the unit. Above unit is free The height of an obstacle in both the front and rear of Before installation, check the strength and 15 mm or less...
– 13 – Refrigerant piping CAUTION Do not scratch the inner surface of the flared part Optional installation parts Flaring when removing burrs. (Locally procured) 1. Cut the pipe with a pipe cutter. Flare nut Flare processing under the condition of scratches Be sure to remove burrs that may cause a gas leak.
Refrigerant pipe length Air purging Single Airtight test After completing the refrigerant piping work, perform an airtight test. Connect a nitrogen gas cylinder and Allowable pipe length (m) Height difference (Indoor-outdoor H) (m) pressurize the pipes with nitrogen gas as follows to conduct the airtight test. Model Total length L Indoor unit: Upper...
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– 15 – Air purge Pump down process Vacuum pump Valve handling precautions Open the valve stem until it strikes the stopper. It is unnecessary to apply further force. With respect to the preservation of the terrestrial 1. Turn off the Air Conditioner system. As shown in the figure, connect the charge hose after Securely tighten the cap with a torque wrench.
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Insulating the Pipes Charging additional refrigerant The temperatures at both the liquid side and gas side will be low during cooling so in order to prevent Figure of Single condensation, be sure to insulate the pipes at both of these sides. Insulate the pipes separately for the liquid side and gas side.
– 17 – Electrical work How to wire 1. Remove the terminal cover by taking off the mounting screw (1 piece). 2. Connect the power supply wires and Indoor/Outdoor connecting wires to the terminal block of the electrical Wiring between indoor unit CAUTION control box.
Earthing Air conditioner operating conditions For proper performance, operate the air conditioner under the following temperature conditions: WARNING Cooling operation Dry bulb temp. –15°C to 46°C Be sure to connect the earth wire. (grounding work) Heating operation Wet bulb temp. –15°C to 15°C Incomplete grounding may cause an electric shock.
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– 19 – Refrigerant recovery Steps taken to recover the refrigerant 1. Operate the indoor unit in the fan mode. When recovering the refrigerant in situations such as when relocating an indoor unit or outdoor unit, the recovery 2. Check that the LED displays are placed in their initial status. If not, place them in the initial status. operation can be performed by operating the SW01 and SW02 switches on the P.C.
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Existing piping How to check the existing piping settings You can check whether the existing piping settings are enabled. The following settings are required when using a pipe Ø19.1 mm as the existing piping at the gas pipe side. 1. Check that the LED displays are placed in their initial status. If not, place them in the initial status. 2.
– 21 – Troubleshooting Appendix Work instructions You can perform fault diagnosis of the outdoor unit with the LEDs on the P.C. board of the outdoor unit in addition There is the possibility that a large quantity of dirty to using the check codes displayed on the wired remote controller of the indoor unit. oil or moisture remains inside the pipes.
Model Weight (kg) Is it possible to operate the existing air conditioner? Cooling Heating RAV-GM562ATP-E After the existing air conditioner is operated in * Under 70 dBA cooling mode for approx. 30 minutes or longer,* recover the refrigerant. Refer to “13 Refrigerant recovery”...
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To Fix the Fluorinated Warnings on refrigerant leakage Fill in the label as follows: Greenhouse Gases Label Refrigerant Label Check of concentration limit This product contains fluorinated greenhouse gases. The room in which the air conditioner is to be installed requires a design that in the event of refrigerant Contains fluorinated greenhouse Do not vent gases into the atmosphere.