1
GENERAL CAUTIONARY NOTES
Carefully read this manual.
Installation and maintenance should be carried out by technical personnel qualified for this type of
machine, in compliance with current safety regulations.
When receiving the unit please check its state verifying if any damage occurred during the transport.
For installation and use of possible accessories please refer to the pertinent technical sheets.
The manual are subject to changes, in any times, without prior notice aimed at improving the
product.
Daikin will not accept any liability for damage or injury caused as a result of installation by non-qual-
ified personnel; improper use or use in conditions not allowed by the manufacturer; failure to per-
form the maintenance prescribed in this manual; use of spare parts other than original factory parts.
SAFETY SYMBOLS
Carefully read this manual.
Warning
Use personal protective equipment
USE SUITABLE PPE
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CODES AND DESCRIPTION
FWEC2T (Fig.1): fan coils electronic controller
suitable for models equipped with single heat
exchanger (2-pipes plants), 3-speeds asyn-
chronous electric motor connected to the fan,
ON/OFF type valve, SUMMER/WINTER manual
switch, ventilation consent on the basis of the
water temperature (if necessary).
FWEC4T (Fig.2): fan coils electronic controller
suitable for models equipped with double heat
exchanger (4-pipes plants), 3-speeds asynchro-
nous electric motor connected to the fan, ON/
OFF type valves, SUMMER/WINTER switch either
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OPERATING INSTRUCTIONS AND LEGEND:
Two steps ON/OFF button (FWEC2T and
FWEC4T) or three steps switch (FWEC10):
Ū OFF mode
WARNING:
Electrical and electronic products
may not be mixed with unsorted household
waste. Do NOT try to dismantle the system
yourself: the dismantling of the system, treat-
ment of the refrigerant, of oil and of other
parts must be done by an authorized installer
and must comply with applicable legisla-
tion. Units must be treated at a specialized
treatment facility for reuse, recycling and re-
covery. By ensuring this product is disposed
of correctly, you will help to prevent potential
negative consequences for the environment
and human health. For more information,
contact your installer or local authority.
manual or automatic (on the basis of the air tem-
perature), ventilation consent on the basis of the
water temperature (if necessary).
FWEC10 (Fig.3): fan coils electronic controller
suitable for models equipped with single or
double heat exchanger (2 or 4-pipes plants), in-
verter equipped fan driven by a 0 to 10 V signal,
ON/OFF type valves, SUMMER/WINTER switch
either manual or automatic (on the basis of the
air temperature), ventilation consent on the ba-
sis of the water temperature (if necessary).
Ū ON mode with manual ventilation
Ū ON mode with automatic ventilation
Manual ventilation switch (minimum, middle,
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FC66006512-01