36
34
Technical Specifications
Maximum Operating Pressure
Primary:
3 bar
Factory Test Pressure
Primary:
4.5 bar
Maximum Operating Temperature
85°C
A Modulating Electric Boiler
*Outputs vary depending upon voltage – see technical manual for further clarification
Code
00078001
00078001
00078101
00078101
00078201
Nominal Output *
kW
8.4
8.4
14.4
14.4
21.6
Nominal supply
V
230
3 x 400 + N
230
3 x 400 + N
3 x 400 + N
Nominal supply
amps
36
3 x 12
63
3 x 21
3 x 31
Total capacity
L
13
13
13
13
13
Primary expansion vessel capacity
L
8
8
8
8
8
Primary connection (female BSP)
Ø
3/
4
”
3/
4
”
3/
4
”
3/
4
”
3/
4
”
Primary pressure drop
mbar
1
1
2
2
5
Dimensions Height
mm
720
720
720
720
720
Width
mm
430
430
430
430
430
Depth
mm
300
300
300
300
300
Weight empty
Kg
36
36
36
36
36
Weight full
Kg
49
49
49
49
49
ETS 09
Single Phase
ETS 09
Tri-Phase
ETS 15
Single Phase
ETS 15
Tri-Phase
ETS 24
Tri-Phase
Boiler temperature with the ETS is controlled by a dual stage thermostat which is set by the user to give the desired boiler
temperature. When the boiler has heated up to within 7°C of the set temperature, the thermostat switches off one power stage and
therefore reduces the heat input.
Thanks to this simple but effective form of modulation, the ETS has longer working cycles and requires less stops and starts, thus
resulting in a more even temperature across the boiler. It also means less wear and tear on components and importantly, it uses less
power once it has reached working temperature.
1. Control circuit connections
2. Control circuit MCB (3amp)
3. Dual stage control thermostat
4. On/off switch
5. 1st stage power level switch
6. 2nd stage power level switch
7. Manual reset high limit thermostat
8. Space for optional timeclock
9. Combined temperature and pressure gauge
10. Element supply contactor
11. Power stage delay timer
12. Power cable connections
13. Control panel
14. Primary low water pressure switch
15. Thermostats pocket
16. Automatic air vent
17. Heating elements
1
2
3
4
5
6 7
8
9
10
11
12
ET
S
13
14
15
16
17
