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For a correct use of the air-handling unit, we recommend to install an electric valve (optional
supplied on request), which interrupts the cold-water flow to the heat exchanger when the fan is
not running. This option avoids to waste energy and it is necessary in «cooling» mode in
order to avoid to cool the structure of the unit and consequently to create condensing
water. For mounting the regulating valves, please follow the instructions on the next page.
If the control valves are not supplied by EURAPO, EURAPO is not responsible for any
malfunction or wrong electrical connection referred to the valves.
When installing the valve kit pay attention to mount correctly the insulation shell.
Verify that it adheres to the side of the unit to avoid condensation.
Positioning of the valves on EBH 020÷050:
EBH unit with right water connections
Positioning of the valves on EBH 060-070:
EBH unit with left water connections
Maximum operating pressure with valves: 1600 KPa
2 PIPE SYSTEM
1. Water inlet ................................................3/4" F
2. Water outlet .............................................3/4" F
4 PIPE SYSTEM
1. Inlet cooling water ................................3/4" F
2. Outlet cooling water ............................3/4" F
3. Inlet heating water ................................3/4" F
4. Outlet heating water ............................3/4" F
5. Condensate drain hose .................... ø20 mm
6. Electric box
7. Fixing support for pipes
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