Sinclair SF-400HM2 Service Manual

Sinclair SF-400HM2 Service Manual

Wall mounted fan coil unit

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WALL MOUNTED
FAN COIL UNIT
SERVICE MANUAL
SF-xxxHM2
AIR CONDITIONING

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Table of Contents
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Summarization of Contents

Features
Excellent efficiency
Details on the high efficiency of the DC motor in the FCU.
DC brushless motor
Description of the DC brushless motor's design and benefits.
Low noise
Information on the fan design contributing to reduced noise levels.
Accessories
Standard accessories
List of standard accessories included with the unit.
Optional accessories
List of optional accessories available for purchase.
Troubleshooting
E2: Room temperature T1 sensor check channel is abnormal.
Troubleshooting steps for abnormal room temperature sensor readings (E2).
E3: T2 evaporator sensor malfunction
Troubleshooting for evaporator sensor malfunction (E3).
E7: EEprom malfunction
Troubleshooting steps for EEprom malfunction (E7).
E8: Fan motor malfunction
Troubleshooting steps for fan motor malfunction (E8).
EE: Water-level switch malfunction
Troubleshooting for water-level switch malfunction (EE).
Installation
Installation Attention
Important safety and procedural notes for unit installation.
Inspecting and Handling the unit
Installation place
Guidelines for selecting an appropriate installation location.
Drilling A Hole and Mounting Installation Board
Fix the installation board.
Instructions for securing the mounting board to the wall.
Drilling a hole.
Procedure for drilling the necessary hole for piping.
Connective Pipe and Drainage Installation
Drainage
Details on how to properly install the drain hose.
Wiring
Take out the faceplate, then dismantle the display cover plate.
Procedure for accessing internal components by removing the faceplate.
Individual connects the power cord and signal line, adjusts the dial switch.
Connecting power and signal lines and setting the dial switch.

Table of Contents