Owner manual
14
Technical data
Faults
In case the unit does not heat the water, check for the possible reasons:
The guarantee does not cover the above repairs.
If there is a fault in the unit (the heater does not work and all the above reasons do
not occur), contact the nearest authorised service.
EPO water heater
4 5 6
Rated power
kW
4 5 6
Power consumption
kW
2 + 2 2,5 + 2,5 3 + 3
Rated voltage 230V~ / 400V 2N~
Rated current
A
17,4 (8,7)* 21,7 (10,9)* 26,1 (13,0)*
Supply water pressure
MPa
0,12 ÷ 0,6
Operating point l/min 1,2 1,5 1,8
Efciency (at Δt = 30°C) l/min 1,9 2,4 2,9
Overall dimension (height x width x depth)
mm
209 x 229 x 85
Weight
kg
~2,4
Fuse rated current
A
20 (10)* 25 (16)* 32 (16)*
Min. connecting wires section
mm
2
3x2,5 (4x1,5)* 3x4 (4x2,5)*
The maximum allowed network impedance
Ω
(0,32)** (0,29)**
Water supply pipe section G 1/2” (distance between inlet and outlet 110mm)
* - for 400V2N~
** - for 230V~
Fault Reason
control lights off
power supply failure
unit doesn’t heat up the water/
water temp. is too low
power supply failure
water ow rate is too low (e.g. lter is blocked with impurities,
improper water ow regulation)
there is no bridge connecting terminal clamps U and V
for single phase supply