Environment and recycling 4. guarantee, 8 electrical connection, 9 first start-up – STIEBEL ELTRON SHZ 30 LCD User Manual
Page 17: 10 maintenance

17
English
3.8 Electrical connection
!
Draw out the temperature selection
button, release the screws, and take off
the under-cap
H
.
!
Prepare the connection pipe
I
.
!
Connect the desired output in accordance
with the connection examples and set the
sliding switches on the electronics board
(22)
L
M
N
O
.
Operating mode
1
:
E
Z
B
Z
B
E
E
Z
B
B
E
Z
E
Z
B
Single-circuit
Dual-circuit
Boiler
Output
2
:
1
2
3
1
2
3
1
2
3
If
1
or
2
are changed over,
disconnection from the mains supply
is necessary!
!
Following electrical connection, the
following steps are to be taken:
1.
The unit rating plate is to be marked as
follows using a ball-point pen:
Place a cross in the box which
corresponds to the connection power
supply and voltage.
2. Plug the 5 pole connector of the
connecting cable (32) into the
„control unit“ electronic module (20),
position „X2“
H
.
3.
Fit lower cap and secure with screws.
"
Electrical circuit diagram
L
A remote control for the rapid heating
(38) is to be connected by the customer
to the unit connection terminal „6“. Any
„
L
FB
“ phase can be connected; without
power transfer.
"
Dual-circuit connection
Switch
1
:
E
E
Z
B
B
!
Single counter measurement
M
Electricity supply company contact
(39), any „
L
F
“ phase can be connected;
without power transfer.
!
Dual-counter measurement
N
"
Single circuit connection
O
Switch
1
:
E
Z
B
Z
B
"
Boiler operation
O
Switch
1
:
E
Z
E
Z
B
3.9
First start-up
(may only be
carried out by a qualified installer)
1
2
3
4
5
6
7
8
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
9
Fill the unit, deaerate it, and
flush it through thoroughly.
1
2
3
4
5
6
7
8
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
9
Switch on the mains power
supply.
1
2
3
4
5
6
7
8
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
9
Check the operating mode of the
unit and if appropriate press the
rapid heating button (1).
1
2
3
4
5
6
7
8
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
9
Check the safety group for
functional performance (in the
case of unvented operating mode).
Notes
:
!
Condition as delivered
:
–
setpoint temperature setting
65 °C
–
temperature limitation „off“
!
At temperatures of below
- 15 ºC (
e.g.
transportation/storage) the safety thermal
cut-out may trip. Press the reset button
(
D
21).
Handing over the unit:
Explain the function of the unit to the users
and familiarise them with its use.
Important notes:
! Advise the users about possible hazards
(such as scalding).
! Hand over these Operating and Installation
Instructions for safekeeping. All the
information provided in these Instructions
must be followed carefully. These
Instructions provide details about safety,
operation, installation, and the
maintenance of the unit.
3.10 Maintenance
!
When carrying out any work, disconnect
all poles from the mains supply.
!
Check the safety group regularly.
Further notes on the unit:
!
Descale the element only after
dismantling. Do not treat the reservoir
surface and parasitic current anode with
descaling agents.
!
Safety device
:
Observe immersion depth
J
of the
safety thermal cut-out.
!
Draining the storage water heater
cylinder: Before draining the cylinder,
disconnect the unit from the mains supply.
– Close the isolating valve in the cold
water feed line.
– Open the hot water fittings fully at all
draw-off points.
– Unscrew the cap from the drainage
nozzle (
D
25).
Hot water may come out during
draining.
!
The corrosion protection resistor
K
on
the insulating plate must not be damaged
or removed during servicing work. When
replacing the corrosion protection resistor
the assembly is to be re-established in the
correct manner.
a Copper heating element
b Insulating plate
c Pressure plate
d Corrosion protection resistor
Please help us to protect the environment by
disposing of the packaging in accordance with
the national regulations for waste processing.
5. Environment and
recycling
4. Guarantee
For guarantees please refer to the pespective
terms and conditions of supply for your
country.
The installation, electrical connection
and first operation of this appliance
should be carried out by a qualified
installer.
The company does not accept liability for
failure of any goods supplied which accor-
dance with the manufacturer's instructions.