High efficiency electric boilers
35
Technical Data
E-Tech S
High efficiency electric boilers
34
Compact floor standing
combination electric boiler.
Flexible installation options.
Sensible Efficiency
For electric to succeed, it is vital that every watt of input finishes up as
useful hot water and heating. The new range of E-Tech S Tank-in-Tank
thermal storage units is designed to do just that. Four conveniently-
sized models are available and each benefits from the clever
integration of our stainless steel Tank-in-Tank technology with an
equally advanced electric boiler control system. Cupro incoloy
elements within the primary water provide the electrical energy.
How It Works
An inner stainless steel hot water storage tank draws heat from
primary water circulating through an outer tank which is heated by
heavy duty elements. As they’re immersed in primary water only, the
heating elements are unlikely to be affected by scaling and input to
them is modulated by a dual stage thermostat to reduce cycling and
load switching. The special design of the inner DHW tank not only
helps ensure scale-free operation, but also avoids the sediment
problems that plague conventional cylinders. To fully utilise
generated energy the Tank-in-Tank unit is wrapped in a generous
70mm of polyurethane insulation.
Benefits and Features
• Quiet operation
• No flue
• Reduced maintenance (no landlord certification)
• Can be used as a stand alone water heater
• Modulating element input
• High hot water storage temperature reduces legionellae bacteria risk
• Flexible installation options for flow and return connections
• Vented or unvented use with pressure SystemPaks available
• Integral primary heating sealed system kit and circulating pump
• Small footprint enabling compact installation
• Integrated controls
160
240
380
A
1342mm
1818mm
2134mm
B
590mm
590mm
720mm
C
728mm
728mm
800mm
D
928mm
1403mm
1985mm
E
249mm
249mm
300mm
F
402mm
402mm
92mm
G
181mm
181mm
265mm
H
958mm
1433mm
435mm
J
295mm
295mm
360mm
K
180mm
180mm
135mm
L
150mm
150mm
135mm
Dimensions
Installation Flexibility
Three choices for heating connections.
The boiler can be installed:
• Against the wall
• In a corner facing left
• In a corner facing right
S 160
S 240
S 380
Single Phase
Tri Phase*
Tri Phase*
Maximum output
kW
14.4
28.8
28.8
Nominal supply
V
230
3 x 400 + N
3 x 400 + N
Nominal supply
amps
63
42 per phase
42 per phase
Primary capacity
L
68
86
131
Total capacity
L
167
250
394
Heating surface area
m
2
1.26
1.94
2.65
DHW connection (M BSP)
Ø
3/
4
"
3/
4
"
1"
Primary connection (F BSP)
Ø
1"
1"
1
1/
2
"
Heating Expansion
L
8
8
16
Weight empty
kg
115
155
230
Weight full
kg
282
405
624
*Can be modified for single phase
Performance Data
E-Tech S
E-Tech S
E-Tech S
160
240
380
Single Phase
Single Phase
Tri-Phase
Litres in first 10 minutes
40°C
310
532
870
Litres in first 10 minutes
45°C
250
452
739
Litres in first 10 minutes
60°C
168
294
472
Litres in first hour
40°C
690
880
1516
Litres in first hour
45°C
570
750
1270
Litres in first hour
60°C
375
465
752
Continuous flow 40°C
Ltrs/hr
413
413
826
Continuous flow 45°C
Ltrs/hr
354
354
708
Continuous flow 60°C
Ltrs/hr
248
248
448
Please Note:
Performance data assumes a primary flow temperature of 85°C and a domestic cold water supply of 10°C
1
8
9
6
7
2
3
4
5
10
11
1. Temp/Pressure Gauge
2. Boiler Control Stat (60-90)
3. Over Heat Stat
4. Warning Light
5. Power on/off – Power Stage 1 & 2
6. Element Supply Contactors
7. 60 Amp Power Relay
8. Control Circuit MCB (3 amp)
9. Power Stage Delay Timer
10. Low Water Pressure Switch
11. Heating Elements (Primary)
E-Tech S 160 and 240
E-Tech S 380
