26
1
2
3
4
5
6
7
8
9
10
+
It is a mandatory:
• to use water or a mixture of water and propylene or ethylene glycol to feed the heat exchanger.
Maximum glycol content 50%.
Installation sites to avoid:
• moist rooms or places where the unit may get in contact with water sprays (laundries,
bathrooms, etc.);
• areas exposed to direct sunshine or too close to heating sources (lamps etc.);
• rooms where the following substances might be present: flammable gas, alkaline material
or oil vapours;
• positions where the air intake or air outlet might be obstructed (by shelving, furniture etc.);
• in areas with risks of explosion or with severely dusty air.
The installation of the fan coil must assure:
• safe use and working: the unit has not to cause any damage or danger to persons, objects
or animals;
• a regular air circulation in the room;
• the air intake and outlet are not obstructed in any way;
• the respect of the minimum space necessary for installation and maintenance operations
(see below);
Before proceeding with any
operation of installation and/or
maintenance, make sure that the
unit has been disconnected from
the power supply
(Fig. 2).
Fig. 2
D
E
C
B
A
Mod.
Size
A
B
C
D
E
mm
YSIH-EST
20-40
85
205
190
200
200
