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Toshiba HFCR407C User Manual

Toshiba HFCR407C
176 pages
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Modular Multi System
Service Manual
Air Conditioner - Multi Split Type System
A90-0132
HFC R407C

Table of Contents

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Toshiba HFCR407C Specifications

General IconGeneral
Cooling Capacity (BTU)12000
Cooling Capacity3.5 kW
Power Consumption (Cooling)1070 W
Power Consumption (Heating)1.05 kW
Outdoor Unit Dimensions (HxWxD)550 x 780 x 285 mm

Summary

Parts specifications

Wiring diagrams

Refrigerant piping systematic drawings

Inverter unit (10 HP, 8 HP) Heat pump

Refrigerant piping diagram for Inverter heat pump units.

Fixed-speed unit (10 HP, 8 HP) Heat pump

Refrigerant piping diagram for Fixed-speed heat pump units.

Fixed-speed unit (6 HP) Heat pump

Refrigerant piping diagram for 6 HP Fixed-speed heat pump units.

Inverter unit (10 HP, 8 HP) Cooling only

Refrigerant piping diagram for Inverter cooling-only units.

Combined refrigerant piping systematic drawings

Emergency operation when inverter unit has failed

Refrigerant piping diagram for emergency operation when inverter unit fails.

Emergency operation when fixed-speed unit has failed

Refrigerant piping diagram for emergency operation when fixed-speed unit fails.

Refrigeration cycle schematic

Outline of control

Self diagnostic display information

Control circuit configuration

Troubleshooting

Remote controller check display

How to read and interpret check codes on the remote controller.

Self diagnostic function

Overview of fault codes for indoor, outdoor, and IPDU units.

Diagnostic procedures for check codes

Troubleshooting steps for various error codes.

Back-up operation

Forced function of oil level detection

Refrigerant pipe installation

Leak test

Procedure for performing a leak test on the refrigerant piping system.

Vacuuming

Procedure for vacuuming the refrigerant system after leak testing.

Charging the system with additional refrigerant

Calculating and charging additional refrigerant based on pipe size and length.

Trial operation

Replacing the compressor

Refrigerant recovery method

Further steps for refrigerant recovery, including trial operation.

Compressor replacement procedure

Removal of parts, oil extraction, and compressor removal.

Replacing the interface PC board

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