Toshiba - Mmy-map1404ft8-e Service Manual

| Specification | Detail | | :--- | :--- | | | Outdoor unit for commercial VRF SHRMi system | | Capacity (Cooling/Heating) | 40.00 kW / 45.00 kW | | Compressor Type | Double Rotary | | Sound Pressure Level | 62 to 64 dB(A) | | Sound Power Level | 84 dB(A) | | External Static Pressure | 40 Pa (fixed / upper limit) | | Power Supply | 380-415V, 50 Hz, 3-Phase | | MCA / MOCP | 36.4 A / 50 A | | Refrigerant Type / Charge | R410A / 11 kg | | Weight | 334 kg | | Dimensions (W×H×D) | 1830 × 990 × 780 mm |

: Error code lists and procedures for compressor or P.C. board replacement. Common Error Codes & Troubleshooting

Check the Outdoor Unit Interface PCB LED display.

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The MMY-MAP1404FT8-E is a high-capacity module often used in modular combinations up to 42 HP. 14 HP nominal capacity.

Indoor unit is not receiving data from the remote or central controller.

| Parameter | Cooling Mode | Heating Mode | | :--- | :--- | :--- | | | 40.00 | 45.00 | | Power Input (kW) | 11.3 | 12.7 | | EER / COP (W/W) | 3.54 | 3.54 (COP) | | Running Current (A) | 17.8 | 19.9 | | Sound Pressure Level (dB(A)) | 62 | 64 | | Airflow Rate (m³/h) | 13,000 | 13,000 | | Operating Range (°C) | -5 to 43 | -20 to 15.5 | | Refrigerant Charge (R410A) | 11 kg | N/A | | Specification | Detail | | :--- |

The manual is structured to guide a technician through the full lifecycle of the unit, from initial setup to complex repairs:

Hold the vacuum for at least 1 hour to verify that no moisture or leaks remain in the system. 5. Maintenance and Commissioning Steps

Understanding the base mechanical and electrical specifications is critical before performing any diagnostic or repair work. Electrical Specifications 3-phase, 380–415 V, 50 Hz / 400 V, 60 Hz user wants a comprehensive article for the keyword

Descriptions of how the system manages compressor frequency and fan speed.

When you’re on the job with a —a high-efficiency multi-zone heat pump belonging to Toshiba’s MMY (Mini Multi Y) series—having the correct service manual isn't a luxury; it’s a necessity. This document is your complete roadmap for diagnostics, maintenance, and repair.

Disclaimer: This article is intended for informational purposes and is based on publicly available documentation. Always consult the official Toshiba service literature for your specific unit and follow all local regulations and safety codes. Installation, maintenance and repairs must be carried out by a qualified installer or service person as defined by Toshiba Carrier Corporation.