36
table 5�3 – Technical data for filling the hydraulic circuit
% of MonoetHYLene GLYCoL
10
15
20
25
30
35
40
WATER-GLYCOL MIXTURE FREEZING TEMPERATURE
-3°C
-5°C
-8°C
-12°C
-15°C
-20°C
-25°C
PERCENTAGE OF INCREASE IN PRESSURE DROPS
--
6%
8%
10%
12%
14%
16%
LOSS OF EFFICIENCY OF UNIT
--
0,5%
1%
2%
2,5%
3%
4%
If the percentage of glycol is ≥ 30% (for ethylene glycol) or ≥ 20% (for propylene glycol):
then parameter 182 in menu 4 must be set to “1” (at the installer’s care).
•
5�7
exHAUst fLUe GAs
The appliance is homologated for the discharge of the exhaust gases directly outside
through a flue pipe.
Each single unit is provided with a connection of Ø 80 mm (equipped with a suitable
seal) located on the left side (see Figure 3.1 Size (Standard ventilation)
→
15 or Figure 3.2
Dimensions (low consumption ventilation – S1)
→
15 or Figure 3.3 Dimensions (low noise
version)
→
16).
The appliance is complete with an exhaust duct kit, to be fitted by the installer.
The exhaust duct kit consists of (see Figure 5.4 Fume outlet
→
37):
n. 1 exhaust flue pipe Ø 80mm (length 300 mm) complete with terminal;
•
n. 1 rain cover;
•
n. 1 90° elbow Ø 80 mm.
•
To assemble and fit the external exhaust fumes installation kit, proceed as follows:
You will need: the appliance positioned in its installation site (refer to Figure 5.4 Fume
outlet
→
37).
Fit the rain cover (C) on the 90° elbow (A).
1.
Fit the 90° elbow (A) to the clamp on the left side of the appliance.
2.
Fit the terminal/pipe assembly (B) to the elbow (A).
3.
