STIEBEL ELTRON DHCE 8 User manual

DHCE 6 / 6E / 8 / 8E
English
Instantaneous water heaters (pressure type)
Operation and installation instructions
5IJTXBUFSIFBUFSNVTUCFJOTUBMMFEXBUFSBOEFMFDUSJDBMJOTUBMMBUJPODPNNJTTJPOFEBOETFSWJDFECZBQQSPWFETFSWJDFUFDIOJDJBOTJO
BDDPSEBODFXJUIUIFTFJOTUSVDUJPOT
#OMFORT4HROUGH4ECHNOLOGY
3):%!
-!4%2)!,'2%%.2%!$0!0%2'
0!24./2%6

65 mm
50 mm
100 mm
200 mm
264 mm 270 mm 360 mm
59 mm 280 mm
35 mm
104 mm
G 1/2
12 mm
115 mm
50 mm










9 mm


4 x 35 mm
6 mm
6 mm
min. 4,5 mm
max. 5,5 mm
12
)NSTALLATION,OCATION

%4HERMALCUTOUT
$4RIAC3ET
!(EATING%LEMENT
#%,3$#IRCUIT/PTION
"%LECTRONICCONTROLSET
"
&LOW3W
&LOW3W
, .
6!#/.,9
#
!
$
%
&"UTTON"OARD/PTION
&
.
'
',EAKAGE#URRENT3ENSOR/PTION
G
3%:##3



1. Operating instructions for the user and the qualified installer
1.1 Description of the unit
The DHCE flow-controlled instantaneous
water heater heats the water while it is
flowing through the unit. The heating power
is switched on automatically in the event of
the minimum flow rate being exceeded.
The "Power" light indicates that heating
system is swicthed on.
The input of heat into the water is
electronically controlled. Please set the
desired heat input by using the knob on the
front cover.
In addition the outlet temperature can be
controlled at the draw off point.
1.4 Technical data (the data on the unit rating plate apply)
1.3 Care and Maintenance
All that is needed for cleaning the housing is a
damp cloth. Do not use any abrasive cleaning
agents or agents containing solvents.
Maintenance work may only be
carried out by a qualified installer.
2. Installation instructions for the qualified installer
1.2 Important information
- Currently-applicable data on the supply
rating plate.
- Install the unit flush with the wall.
- Piped supplementary heating is not
permissible.
- Water installation material.
Cold water : pipe-steel or copper.
Hot water : pipe-copper.
- Electrical connection to permanently-
installed leads via circuit breaker.
- Fitting for open-outlet units are not
permitted.
- Safety valves are not required.
Additional Safety.
If for any reason, excessive heating occurs
the manual reset thermal cut-out will cut off
the apower permanently
*Customer must call for service from a
qualified technician.
Type
6E 8E
Design Close water heater
Rated pressure 1MPa / 10 bar
Cold water connection G 1/2"
Electrical connection 1/N/PE ~ 220 .... 240 V
Rated power (kW) - Rated current (A) kW - A kW - A
220 V 6.0 - 27.3 8.0 - 36.4
230 V 6.6 - 28.7 8.9 - 37.8
240 V 7.1 - 29.6 9.5 - 39.6
2.1 Technical data
1. Connection cable
2. Power light
3. Rotary control for temperature
adjustment
4. Hot water connection
5. Cold water connection
6. Lower fixing hole
7. Position for electrical connection,
concealed
8. Electrical connection, surface
9. Upper fixing hole
10. Cable duct for electrical connection
11. Cover securing screw
12. Depth for mounting screw
13. Rear wall installation
14. Combination filter/seal
15. Union nut and washer, provided by client
16. ELSD (option)
2.2 Regulations and Provisions
- Regulations of the local power supply
company should be observed.
- Regulations of the water supply company
should observed
- Technical data.
- Install the unit flush with the wall.
- Electrical connection to be secure.
- The device must be capable of being
isolated from the mains, for example by
fuses, with an isolating distance of at least
3 mm, in all poles.
The unit must be earthed (see circuit
diagram). To protect against water
penetration, the cable seal (7) must be used.
2.3 Important note
All the information in these Operating
and Installation Instructions must be
carefully followed. These instructions provide
important details regarding the safety, operation,
installation, and maintenance of the unit.
2.4 Installation location
The unit is to be installed in a closed,
frost-free room (disconnected units are
to be stored in a frost-free location, since there
will always be some water left in the unit) The
DHCE is to be installed vertically on a wall
(hot water connection downwards).
DHCE
6 8

4. Fault elimination for the user
2.6 First operation
(Only to be carried out by a qualified
installer)
Before switching on, set the rotary
temperature control to "Min". Open
water valve until the pipework and the unit
are free of air.
- Check the operation of the water heater.
Warning : Open hot water faucet
for a few minutes until water flow is
continuous and all air is purged from water
pipes.The unit's plastic cover must be
installed before the circuit breaker is turned
on.
Handing over the unit
Explain to the user how the unit works and
familiarise him or her with its use.
- Advise the user about possible hazards
(high water temperature)
- Hand over these instructions, to be kept
in a safe place.
2.7 Service note
When carrying out any work,
isolate the unit from the mains
and shut off the water connection.
Fault Cause Rectification
No hot water - The water flow volume required for the
unit to turn on has not been reached.
- The shower head is blocked with dirt or - Clean shower head or remove limescale.
limescale.
- Flow volume too low - Increase flow volume.
- Circuit breaker off - Turn breaker on
- Safety thermal cut-out trip - Reset thermal cut-out
2.5 Installing the unit
1. Flush the cold water pipe thoroughly.
2. Fit a secure connection cable (1)
(ensure dimensions are correct).
3. Release cover securing screw (11).
4. Remove cover.
5. Determine the position of the drill holes
and drill the holes. Insert the wall plugs
and screw in the screws (ensure screw
insertion depth is correct) (12).
6. Feed the connection cable through the
cable seal (7) in the rear wall. Guide the
unit over the wall securing screws and
slide it downwards .
7. Fit the filter and the washer (14) to the
cold water inlet of the unit (5). Tighten
the union nut to the warm water outlet of
the unit. (4)
8. Straighten the unit and tighten the screws.
9. Connect the electrical supply.
10. Fit the cover and secure with the screw.
11. Turn the rotary control to the left and
right (internal setting lever will engage).
For guarantees please refer to the
respective terms and conditions of supply
for your country.
The installation, electrical connec-
tion and first operation of this
appliance should be carried out by a
qualified installer.
The company does not accept liability for
failure of any good supplied which have not
been installed and operated in accordance
with the manufacture's instructions.
The unit is not being switched on. Electricity The water flow volume required for the unit
supply and flow available. to turn on has not been reached.
- Filter in the cold water connection pipe - Clean the filter after shutting off the cold
blocked with dirt. water intake.
3. Guarantee
- Clean the filter
Disconnect the union nut (15),remove
washer , filter(14)and clean.Re-assemble
in reverse order.
Water not hot enough - Water flow too high
- Heating setting too low
- Reduce water flow
- Turn knob to the right (max. position)
When selecting the temperature at
the draw off fitting, high water
temperatures may be reached. Children,
especially, should be kept from the fitting
due to the risk of scalding.
4. Warning