AL-KO EASYAIR flat GF-01 Operating And Assembly Instruction Manual page 39

Assembly
Valves and actuators must be installed professionally. Please note here whether a 2-way or 3-way valve version is
„
to be set up.
For the electrical connection of the actuator, see the circuit diagram.
„
Requirements for water
free of corroding properties
free of oxygen
free of carbon dioxide
2-way valve and 3-way valve versions
Fig. 26 2-way valve and 3-way valve connection versions
1 PWW heater
2 Frost monitor
3 Valve actuator
Counterflow principle for heat exchanger connection
Fig. 27 Counterflow principle for heat exchanger connection
6 Air inlet
7 Air outlet
Step Action
1 Connect the heat exchanger using the counterflow principle (water flow direction opposite the air flow direction in the
unit).
2 Connect the pre flow up or down depending on the air direction.
3 Carefully vent the heat exchanger.
4 Check all of the piping for leaks.
3059570
Maximum working pressure
2-way valve
1
2
5
4
3
5
6
9
7
8
Subject to changes in line with technical progress.
Maximum hot water flow temperature
16 bar
3-way valve
1
3
4
4 Valve
5 Recirculation pump (on-site)
8 9
7 6
7
8
9 8
6
6 7
9
8 Media inlet
9 Media outlet
120 °C
2
5
5
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