GENERAL
General warnings page 3
Basic safety rules 3
Contents of the supply 4
Receiving and handling the product 4
Technical data 5
Access to connections 5
Wiring diagrams 6
Control wiring diagrams 7
INSTALLER
Installation 9
Connections 10
Fitting the filters 13
First time of switching on 13
Filling and draining the system 14
USER
Wireless remote control 15
Wireless remote control: modes of operation 15
Programming the timer 18
Sleep mode 18
Operation of Wireless remote contro 19
Adjusting the airflow 19
Emergency operation 20
Maintenance 21
SERVICE
Maintenance 22
Troubleshooting 22
RANGE
CONTENTS
Operation in cooling mode: room temperature 27°C d.b./19°C w.b., chilled water at inlet 7°C and at outlet 12°C
The fan coils are appliances intended for high quality civil
use. The elegant aesthetic design, the control electronics
and the top class components facilitate its location and
guarantee optimum conditions of comfort.
INDOOR UNIT
• Housing:
made of self-extinguishing plastic
• Electric fan unit:
cross-flow fan with direct current motor
3 speeds and auto function
• Exchange coil:
consisting of copper pipes with swirl design and aluminium
fins
• Control card:
microprocessor
• Filtering systems:
activated charcoal filters
REMOTE CONTROL (YHMY only)
The infrared remote control is used for control, adjustment
and programming; its functions and use are described in the
user guide.
Pictures of the hi-wall unit are purely rapresentative and
could be some differences with product received.
DESCRIPTION OF THE APPLIANCE
The following symbols are used in some parts of the booklet:
CAUTION:
for actions that require particular caution and adequate
preparation.
FORBIDDEN:
for actions that MUST NOT be carried out.
Electronics
Electromechanics
Cooling power
YHMH 20 YHMY 20 2,2 kW
YHMH 30 YHMY 30 2,9 kW
YHMH 40 YHMY 40 4,0 kW
YHMH 50 YHMY 50 4,8 kW
GB
2
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