59
FOR THE INSTALLER
Installing the expansion vessel
It is important when installing the expansion vessel to position it at the highest point in the circuit, preferably above the
heat pump. If there is a low ceiling making it impossible to fi t the tank above the pump, it can be positioned as illustrated
in the fi gure to the left. It is important to install the tank so that any air disappears upwards. Air will remain in the circuit if
the tank is fi tted incorrectly (see the fi gure to the right).
Wrong
Correct
Table 2: Mixing ratio in per cent by weight
Example:
A 200 metres of hose type 40/35 with Brinol gives 200 x 0.29 litres Brinol/
metre = 58 litres of Brinol and 200 x 0.71 litres of water/ metre = 142 litres
water.
Hose type: 40/35 Hose type: 32/28
Anti-freeze type
Water (l) Anti-freeze (l) Water (l) Anti-freeze (l)
Ethanol
0.71 0.29 0.42 0.18
Propylene glycol
0.65 0.35 0.39 0.21
Table 1: Mixing ratio in litres/metre
Connecting the heat pump to the heating system
Anti-freeze type Hose type: 40/35 Hose type: 32/28
Ethanol
25 % 25 %
Propylene glycol
35 % 35 %
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