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2. Installation instructions
2.1 Layout of the unit
A C K L M
1 Temperature selection button
2 Signal lamp for operating mode display
3 Pushbutton for rapid heating
4 Heating element
4 Hot-water oulet nozzle G ½
5 Cold-water inlet nozzle G ½
6 Inflow
7 Cabel duct PG 21 for electrical
connection
8 Duct for the booster remote-control in
connection with PG 11 (on-site
installation costs)
9 Drain valve nozzle G ½
10 Re-set button for safety temperature
limiter (actuation from the front)
11 Regulator-limiter combination
12 Contactor
13 Flange gasket
14 Anode
15 Heating flange
16 Outflow-pipe
17 Suspension bar - top *
18 Suspension bar - bottom *
(only with „HFA-Z 150 universal")
19 Temperature regulator
20 Safety temperature limiter
21 Button for rapid heating
22 Remote control button and glow lamp
indicating rapid heating
23 Electricity utility company contact
* for screws on-site, Ø 12 mm
2.2 Fittings
• Unvented (pressurized) mode of operation:
Safety groups KV 30 or KV 40
• Vented (pressureless) mode of operation:
F
Fittings without pressure
.
2.4 Technical data
(the details given on the unit rating plate are definitive)
Type
HFA-E 30
universal
30
Content
l
Mixed water
l
58
quantity 40 °C (15 °C / 65 °C)
Weight empty kg
22,6
Connectable to
power sources
Permissible
operating pressure
Protection mode
as per EN 60529
Test marking
Water connection
Flow rate
Dimen-
a
mm
420
b
sions
mm
410
C
h
mm
750
i
mm
–
k
mm
700
l
mm
70
Table 1
for the qualified installer
2.3 Regulations and
provisions
• The installation (water and electrical
installation) and first start-up, as well as the
maintenance of this unit may only be
carried out by an approved specialist
installer in accordance with these
Instructions.
• Perfect function and operational safety are
only guaranteed with original accessories
and spare parts intended for the unit.
The installation should be carried out in
accordance with the relevant water
(WRAS) and electrical (IEE) guidelines and
regulations.
Installation should be carried out in
accordance with the relevant water and
electricity supply companys regulations.
• The unit rating plate.
• Technical data.
• Water installation
Pipe material:
– Cold water pipe
Copper pipe
Steel pipe
Plastic pipe systems with the instantanous
water heater the operating temperature
can be adjusted upto max. 82 °C.
In case of failures temperatures can rise
up to 95 °C (max. 0.6 MPa).
The assigned plastic pipe system must be
appropriate for these conditions.
Electrical installation
– Electrical connection only with fixed-laid
leads in association with removable
cable bushings.
– The unit must be capable of all-pole
E
.
disconnection from the mains, for
example by fuses, with an isolating
distance of at least 3 mm.
HFA-E 80
HFA-E 100
universal
universal
80
100
158
195
33
37,5
2; 4 kW
1/N/PE ~ 230 V
2; 4 kW
2/N/PE ~ 400 V
2; 6 kW
3/N/PE ~ 400 V
6 kW
3/PE ~ 400 V
0.6 MPa (6 bar)
IP 24 D
See unit rating plate
G 1/2 (external thread)
max. 18 l/min
510
510
510
510
955
955
–
–
900
900
75
75
– Hot water pipe
Copper pipe
Steel or copper pipe
HFA-E 150
HFA/EB 80 Z
universal
150
80
290
155
49
36
510
420
510
410
1260
1000
300
–
1100
900
180
120
2.5 Installation location
In an area not subject to the risk of
freezing.
Install close to the water tap.
2.6 Unit installation
Fit the suspension bracket; see
Select the securing material to suit the
strength of the wall. With HFA-Z 150,
two suspension brackets are required.
Any unevenness in the wall is to be
compensated for by the spacer elements
provided (a, approx. 5 mm thick).
Install in a vertical position; see
2.7 Water connection
Unvented (pressurized) for the
supply of several draw-off points.
– Install the type-tested safety groups
KV 30, Order No. 00 08 26, up to
0.48 MPa water pipe pressure
KV 40, Order No. 00 08 28, up to 1 MPa
water pipe pressure
a Safety valve
b Backflow preventer
c Test valve
d Throughflow isolating valve (choke)
e Pressure reducer (with KV 40)
f Test nozzle for pressure gauge
g Thermostat fitting TA 260
Order No. 00 34 66 (order
separately), also possible in conjunction
with KV 40.
– Establish dimensions for the outflow pipe
for a fully-opened safety valve. The drain
aperture of the safety valve must remain
open to the atmosphere.
– The drain for the safety group is to be
installed with a constant downwards
inclination.
– The information provided in the
Installation Instructions for the safety
group are to be respected.
– Set a maximum flow rate of 18 l/min at
the choke of the safety group.
Vented (pressureless) for the supply
of one single draw-off point.
The units are suitable for vented
(pressureless) mode of operation.
The HFA/EB 80 Z model is a replacement
for the Stiebel Eltron predecessor series
EB 60 S and EB 80 S.
Do not block off the drain and
fittings pivot arm.
– With this installation the Stiebel Eltron
fittings for vented wall-mounted water
F
are to be used.
heaters
– Before connecting the fitting the water
pipe must be thoroughly flushed through.
– For use, installation, first start-up, and
maintenance, the same instructions apply
as for the operation of unvented
(pressurized) water heaters.
D
.
C
.
E
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