Related Manuals for Toshiba RAV-SP1104AT-A
Summary of Contents for Toshiba RAV-SP1104AT-A
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Page 1: Installation Manual
AIR CONDITIONER (SPLIT TYPE) Installation manual Outdoor Unit For commercial use Model name: RAV-SP1104AT-A RAV-SP1404AT-A English... -
Page 2: Table Of Contents
- 1 - ACCESSORY PARTS 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, follow the Installation Manual attached to the indoor unit. Accessory Parts ADOPTION OF NEW REFRIGERANT Part name... -
Page 3: Safety Precautions
SAFETY PRECAUTIONS • Electrical work must be performed by a qualified electrician in accordance with the Installation Manual. Make sure the air conditioner uses an exclusive power supply. An insufficient power supply capacity or inappropriate installation may cause fire. • Use only the specified wiring during the unit installation. Ensure that all terminals are securely fixed, so preventing any external forces having a negative effect on the terminals. -
Page 4: Installation Of New Refrigerant Air Conditioner
- 3 - INSTALLATION OF NEW REFRIGERANT AIR Tools/equipment How to use tools/equipment CONDITIONER Flare tool Flare machining of pipes Usable if dimensions are adjusted. Bender Bending pipes R22 (Conventional tools) Refrigerant recovery equipment Refrigerant recovery For R410A only CAUTION Torque wrench Tightening flare nuts Exclusive for Ø12.7 mm and Ø15.9 mm... -
Page 5: Installation Conditions
INSTALLATION CONDITIONS Installation Location • A location where high-frequency equipment (including inverter equipment, private power generator, medical equipment, and communication WARNING equipment) is used (Installation in such a location may cause malfunction of the air conditioner, abnormal Before installation Air purge control or problems due to noise from such Install the outdoor unit properly in a location that is •... - Page 6 - 5 - Necessary Space for Installation Obstacle in front Obstacles in both front and rear of unit Consider the wind direction during the operational season of the air conditioner, and (Unit: mm) Open above and to the right and left of the unit. install the unit so that the discharge port is set Above unit is free The height of an obstacle in both the front and rear of the...
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Page 7: Refrigerant Piping
REFRIGERANT PIPING Installation of Outdoor Unit Set the out margin of the anchor bolt to 15 mm or less. • Before installation, check the strength and horizontalness of the base so that abnormal sounds 15 or less do not emanate. Knockout of Pipe Cover •... - Page 8 - 7 - Refrigerant Piping Connection Tightening of Connecting Part Projection margin in flaring : B (Unit : mm) CAUTION Align the centers of the connecting pipes and fully tighten the flare nut with your fingers. Then fix the CAUTION Do not put the crescent wrench on the cap or cover.
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Page 9: Air Purging
AIR PURGING Refrigerant Pipe Length Single Airtight test Vacuum pump Allowable pipe length (m) Height difference (Indoor-outdoor H) (m) Before starting an airtight test, further tighten the spindle Total length L Indoor unit: Upper Outdoor unit: Lower valves on the gas side and liquid side. As shown in the figure, connect the charge hose after Pressurize the pipe with nitrogen gas charged from the the manifold valve is closed completely. -
Page 10: Electrical Work
- 9 - ELECTRICAL WORK Use the vacuum pump, vacuum pump adapter, and gauge Cap tightening torque manifold correctly referring to the manuals supplied with each tool before using them. Check that the vacuum pump oil is filled up to the specified 33 to 42 N•m Ø9.5 mm line of the oil gauge. -
Page 11: Outdoor Unit
Wiring between Indoor Unit and How to wire Wiring diagram To Indoor unit Power supply Outdoor Unit Connect the connecting wire to the terminal as * For details on the remote controller wiring/installation, terminal block terminal block identified with their respective numbers on the refer to the Installation Manual enclosed with the The dashed lines show on-site wiring. -
Page 12: Earthing
- 11 - EARTHING FUNCTIONS TO BE IMPLEMENTED LOCALLY WARNING Night operation control Reference outside Wall thickness (mm) • Be sure to connect the earth wire. (grounding work) diameter (mm) • Low-noise operation is available during nighttime Incomplete grounding may cause an electric shock. hours by connecting a commercially available timer Ø19.1 and separately sold applicable control wire TCB-... -
Page 13: Troubleshooting
TROUBLESHOOTING Recovering Refrigerant • Use refrigerant recovery switch SW801 on the P.C. board of the outdoor unit to recover refrigerant when the indoor or outdoor unit is moved. You can perform fault diagnosis of the outdoor unit with the LEDs on the P.C. board of the outdoor unit in addition to using the check codes displayed on the wired remote controller of the indoor unit. -
Page 14: Appendix
- 13 - APPENDIX Display mode 1 Display mode 2 Cause D800 D801 D802 D803 D804 D800 D801 D802 D803 D804 MCU-MCU communication error Work instructions: * Pipe diameter and thickness (mm) Discharge temperature error The existing R22 and R407C piping can be reused for Pipe outer Abnormal power (open phase detected or our digital inverter R410A product installations. - Page 15 Clean the pipes or use new pipes. deteriorates, the color of the oil changes to a • In the concurrent twin system, when TOSHIBA has muddy or black color.) specified that branching pipe is to be used, it can be reused.
- Page 16 WARNINGS ON REFRIGERANT LEAKAGE Important Check of Concentration Limit NOTE 2 The room in which the air conditioner is to be installed requires a design that in the event of The standards for minimum room volume are as follows. (1) No partition (shaded portion) refrigerant gas leaking out, its concentration will not exceed a set limit.