ES3, ES4 & ES6 Instructions. Issue: No. 2
Page 5
February / 2012
Technical data
Model
ES3
ES4
ES6
Power rating (kW)
3.1
4.8
6.0
Rated Current (A)
13
20
25
Power supply
1/N/PE 240V ~
Factory set flow rate @ 38°C (l/min)
*
1.7
2.6
3.3
Rated volume (litres)
0.2
Rated pressure
1 MPa (10 bar)
Element type
Bare wire
Required specific water resistance
(Ω.cm @15°C)
>1300
>1000
>1000
Maximum inlet temperature (°C)
60
Switch on flow rate (l/min)
1.2
1.5
1.5
Switch off flow rate (l/min)
1.0
1.3
1.3
Minimum differential pressure @
factory set flow rate
0.025 MPa
(0.25 bar)
0.05 MPa
(0.50 bar)
0.075 MPa
(0.75 bar)
Factory set temperature (°C)
*
38
Maximum temperature setting (°C)
(qualified technician)
30 - 50
Maximum weight (kg)
1.5
Dimensions H x W x D (mm)
132 x 187 x 80
Water connections (BSP)
½”
Protection class
IP24
A minimum water pressure of 0.2 MPa (2 bar) is recommended for optimum
performance. The appliance must not be subject to more than 1.0 MPa (10 bar).
*
Based on 12°C supply temperature, 3 bar dynamic pressure and 240V supply.
