Toshiba RAS-3M26S3AV-A Installation Manual Download

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Outdoor Unit

Installation Manual

■

Connection procedure

•  This air conditioner complies with AS/NZS 4755.3.1.
•  DRM available: DRM1, DRM2, DRM3
•  The terminal block meets ELV requirements.

COM DRM1 DRM2 DRM3

1 2 3

COM DRM1 DRM2 DRM3

MCC-1653

DRED

Demand response interface

Trans-

former

Outdoor control

P.C. board

CN101

CN102

CN100

CN105

Locally procured

Power supply

Indoor (A~E) unit

Connecting

WARNING

• Do not connect the DRED mains cable to the terminal block of the outdoor unit

(Power supply and Indoor/Outdoor connecting). Improper installation may result
in

re.

• For the power supply of the DRED, prepare exclusive power supply separated from

that of the outdoor unit.

WARNING

Connect the wire (4-wire) with a round terminal to the Demand section (COM, DRM1,
DRM2, DRM3) on the terminal block.

1116791101_EN.indd 12

2/3/58 BE 2:20 PM

Summary of Contents for RAS-3M26S3AV-A

Page 1: ... TYPE Installation Manual Outdoor Unit Model name RAS 5M34S3AV A RAS 4M27S3AV A RAS 3M26S3AV A NOTE Descriptions about operations for the E unit in this manual are not applicable to RAS 4M27S3AV A Descriptions about operations for the D unit and the E unit in this manual are not applicable to RAS 3M26S3AV A 1116791101 1116791101_EN indd c1 1116791101_EN indd c1 2 3 58 BE 2 20 PM 2 3 58 BE 2 20 PM ...

Page 2: ...evice and Outdoor Unit 11 10 Test run 14 Please read this Installation Manual carefully before installing the Air Conditioner This Manual describes the installation method of the outdoor unit For installation of the indoor unit refer to the Installation Manual attached to the indoor unit IMPORTANT NOTICE For details on how to install the indoor units refer to the installation manual accompanying t...

Page 3: ...ING It indicates that incorrect use of this unit may cause severe injury or death CAUTION It indicates that incorrect use of this unit may cause personal injury 2 or property damage 3 1 A severe injury refers to blindness injury burns hot or cold electrical shock bone fracture or poisoning that leaves after effects and requires hospitalization or extended out patient treatment 2 Personal injury me...

Page 4: ...wiring Turn off main power supply before attempting any electrical work Make sure all power switches are off Failure to do so may cause electric shock Connect the connecting cables correctly If the connecting cables are connected wrongly electric parts may be damaged Check the earth wire that it is not broken or disconnected before installation Do not install near concentrations of combustible gas...

Page 5: ...do so may cause the unit to fall water leakage fire or electrical shock After the installation work ensure that there is no leakage of refrigerant gas If the refrigerant gas leaks out of the pipe into the room and is heated by fire or something else from a fan heater stove or gas range it causes generation of poisonous gas Make sure the equipment is properly earthed Do not connect the earth wire t...

Page 6: ... be connected to the main power supply by means of a circuit breaker depending on the place where the unit is installed Failure to do so may cause electrical shock Follow the instructions in this installation manual to arrange the drain pipe for proper drainage from the unit Ensure that drained water is discharged Improper drainage can result in water leakage causing water damage to furniture Tigh...

Page 7: ...ditioner differs depending on the combination of the indoor units which are operated The information in this specifications table applies for the combinations with the catalogue For operation read the owner s manual packed with the indoor unit Equipment complying with IEC 61000 3 12 1 If the air conditioner is used in conditions other than the above the safety protection functions may be activated...

Page 8: ...ioner under low outside temperature conditions Outside temp 5 C or lower In COOL mode prepare a duct or wind shield so that it is not affected by the wind Necessary Space for Installation If you need to install the outdoor unit in a location where there are some obstructions or a wall secure sufficient space as shown in the figure below The cooling heating effect may be reduced by 10 Upper side vi...

Page 9: ... core Setting Pin using the charge hose NOTE If a control valve or charge valve is attached to the charge hose leak of R410A refrigerant can be avoided 2 Open the Handle Low of the gauge manifold valve fully then operate the vacuum pump Loosen the flare nut of the at the gas end a little to make sure that air is taken in then tighten the nut If you find air is not taken in make sure that the charg...

Page 10: ...rming Additional Installation of an Indoor Unit 1 Collect refrigerant from the outdoor unit 2 Turn off the circuit breaker 3 Perform additional installation referring to the procedure from Refrigerant Piping Connection on the previous page Pump down Operation Recovering refrigerant CAUTION Since the forcible running for collecting refrigerant stops automatically after 10 minutes finish collecting ...

Page 11: ... terminal numbers on the terminal block of each unit Incorrect connection may cause a failure 1 Detach the front panel from the outdoor unit 2 Remove the cord clamp 3 Connect the wires for the power source and each indoor unit Connect the connecting cable to the terminal as identified by the matching numbers on the terminal block of the indoor and the outdoor unit 4 Fix the wiring connections for ...

Page 12: ... connecting wire is incorrect electric parts may be damaged Ensure that all terminals are securely fixed so preventing any external forces having a negative effect on the terminals Do not connect the DRED mains cable to the terminal block of the outdoor unit Power supply and Indoor Outdoor connecting Improper installation may result in fire Connect the demand connecting wires and relay connector R...

Page 13: ...02 CN100 CN105 Locally procured Power supply Indoor A E unit Connecting WARNING Do not connect the DRED mains cable to the terminal block of the outdoor unit Power supply and Indoor Outdoor connecting Improper installation may result in fire For the power supply of the DRED prepare exclusive power supply separated from that of the outdoor unit WARNING Connect the wire 4 wire with a round terminal ...

Page 14: ...he demand response event i e cooling or heating Wiring procedure 1 Securely fasten the demand connecting wires with the cord clamp located at the upper portion of the terminal block so that no external force is applied to the terminal The demand connecting wires having a relay connector RJ45 should be wired in such a manner as to prevent water intrusion into the relay connector 2 Bundle the demand...

Page 15: ...in units B C and E Trouble in units B D and E Trouble in units C D and E Trouble in units A B C and D Trouble in units A B C and E Trouble in units A B D and E Trouble in units A C D and E Trouble in units B C D and E Trouble in all units Service valve stays closed Gas Leak Inspection Refer to the Gas Leak Inspection on page 9 Test run 1 If you perform the test run in summer start running in the c...

Page 16: ...Moo 5 Bangkadi Industrial Park Tivanon Road Tambol Bangkadi Amphur Muang Pathumthani 12000 Thailand 1116791001_EN indd 15 01 22 15 10 52 AM 1116791101_EN indd 15 1116791101_EN indd 15 2 3 58 BE 2 20 PM 2 3 58 BE 2 20 PM ...

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