"
General
The connection must comply with good trade practice
according to local building regulations.
Reminder: Seal everything when fitting in accordance
with prevailing trade practice for plumbing work:
-
Use suitable seals (fibre seals, o-rings).
-
Use Teflon tape or hemp.
-
Use sealing paste (synthetic depending on the case).
Use glycol if the flow temperature set [908-909
Settings] <10 ° C. If you are using a glycol/water mix,
provide for an annual check on the quantity of glycol.
Use monopropylene glycol only. The recommended
concentration is 30% minimum.
Never use
monoethylene glycol .
"
In certain installations, the presence of different
metals can cause corrosion problems; the
formation of metal particles and sludge in the
hydraulic circuit is then seen .
"
In this case, it is advisable to use a corrosion
inhibitor in the proportions indicated by its
manufacturer .
-
Please refer to the chapter "Treatment of domestic
and heating water" in our price catalogue.
"
It is also necessary to ensure that the treated
water does not become aggressive.
4 Hydraulic connecting and gas connecting
figure 30 -
Connections
1
2
3
5
4
6
7
8
9
10
11
1
"Liquid" refrigerating connection.
2. "Gas" refrigerating connection.
3
Heating return (1 circuit).
4
Heating outlet (1 circuit).
5
Stop valve (not provided).
6
DHW outlet (domestic hot water).
7
DCW inlet (domestic cold water).
8
Disconnector (not supplied).
9 Filling
10. Safety device (required / not supplied).
11
Connections to drain with siphon.
-
D
rain evacuation.
-
S
afety valve evacuation.
-
C
ondensate evacuation (acid condensate resistant pipe).
Installation and commissioning instructions "1485 - EN"
Heat pump alféa hybrid duo gas
- 32 -
Содержание WOYG112LHT
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Страница 91: ...Installation and commissioning instructions 1485 EN 91 Heat pump alféa hybrid duo gas ...