Brand: SANYO
Category: Air Conditioner
Document Type: Installation Guide
Language: EN
Available Languages: EN , ES
Installation Guide for SAP-KMRV74EH
Uploaded: Nov. 21, 2025, 9:23 p.m.
Warranty Information
Refer to the warranty card for specific warranty details.
- This document provides installation instructions for SANYO Inverter Multi Split System Air Conditioners using R410A refrigerant.
- It covers general information, site selection, installation process, air purging, wiring instructions, test run, and electric wiring diagrams.
- Key steps include preparing tools, selecting the indoor and outdoor unit locations, embedding tubing and wiring, flaring tubes, connecting refrigerant lines, insulating, taping, air purging with a vacuum pump, and wiring.
- It emphasizes safety precautions, adherence to local codes, and proper connection of all components.
- The document also details model combinations, tubing length limits, and refrigerant requirements.
Troubleshooting and error codes
| If there is an error in tubing or wiring, the refrigerant may flow to indoor unit B when indoor unit A is operated (for example). | Stop operation immediately if there is an error in tubing or wiring. Turn the power (breaker) OFF, and check whether the inter-unit cables are connected incorrectly, or whether the narrow tubes A and B are connected in reverse. Correct the connections. |
| If there is an error in tubing, pump-down must be performed. Be sure to perform pump-down. After making corrections, again purge the air from the tubes. | If there is an error in tubing, pump-down must be performed. Be sure to perform pump-down. After making corrections, again purge the air from the tubes. |