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