Stiebel Eltron DHF 13 C [13/52] Stiebel eltron
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Stiebel Eltron DHF 13 C [13/52] Stiebel eltron

Stiebel Eltron DHF 13 C [13/52] Stiebel eltron
13
English
2.4 Provisions and
regulations
" Installation (water and electrical
installation), as well as the first start-up and
maintenance of this unit, may only be
carried out by a qualified installer in
accordance with these instructions.
" Faultless operation and operational safety
are only guaranteed if the original accesso-
ries and spare parts intended for the unit
are used.
" DIN VDE 0100.
" Regulations of the local energy supply
company.
" DIN 1988 / DIN 4109.
" Regulations of the relevant water supply
company.
" Install the unit flush with the wall at the
lower end (18, observe dimension
! 110 mm).
The following should also be ob-
served:
" The unit rating plate.
" Technical data.
" Water installation:
– cold water pipe material:
Steel, copper
Plastic piping systems:
For the cold water unit connection a
metal pipe of approx. 1 m long must be
installed.
– hot water pipe material:
Copper
Plastic piping systems:
The DHF ... C is not suitable for installa-
tion with plastic piping systems for the
hot water pipe!
" A safety valve is not necessary.
" Operation with pre-heated water is not
permitted!
" Thermostatic tap fittings - see ”1.5 Adjust-
ment recommendation”.
" Electrical installation:
" Electrical connection only to permanently-
installed cables.
" It must be possible to isolate the unit from
the main supply on all poles with an isolat-
ing distance of at least 3 mm, for example
using fuses.
2.2 Brief description
The hydraulically controlled instantaneous
water heater DHF ... C compact control is a
pressurized unit for heating cold water to
DIN 1988, which can supply one or more
water taps.
The flow rate control of the control valve
compensates for pressure variations and thus
ensures a largely constant temperature. The
control valve MRC limits the flow rate and
hence guarantees a sufficient temperature
increase in the drinking water, even in winter.
The tubular heating element heating system
in pressurized copper container can be used
in water with a low lime content (Area of
use see Table 3).
2.3 Fittings
# Fittings for open units are not permitted!
# In case of low water pressure hand-held
showers with low pressure loss must be
fitted see ”2.12 Special fittings”.
# Stiebel Eltron twin-handle fittings for
instantaneous water heater see ”2.12
Special fittings”.
# One-hand mixer and thermostatic fittings
must be suitable for hydraulically
controlled instantaneous water heaters.
# Practical hints:
So that the switch-on quantities (see Ta-
ble 3) of stage ! and stage !! are safely
reached, the pressure loses of the instan-
taneous water heater, fitting, hand-held
shower, shower hose and the pipe net-
work must be taken into account upon
installation.
Typical pressure loss values for a shower
water quantity of approx. 10 l/min:
– one-hand mixer . . . . . 0.04 - 0.08 MPa
– thermostatic fittings . . 0.03 - 0.05 MPa
– hand-held shower . . . . 0.03 - 0.15 MPa
2. Installation instructions for the qualified installer
2.1 Unit structure
1 Output selector
2 Cover
3 Cover lock (cover fixing)
4 Control panel with protective foil
(delivery condition)
5 Hot water screw connection
6 Cold water screw connection(3-way
isolating valve)
7 Terminal block
8 Back wall
9 Fixing screw unit rack (service)
10 Differential pressure switch (control
valve MRC) with flow rate controller
11 Tubular heating element heating system
12 Safety temperature limiter
13 Reset button for safety temperature
limiter (in case of fault)
14 Fixing screw for unit to mounting bra-
cket
15 Unit fixing bottom
16 Electrical supply concealed
17 Electrical supply surface-mounted
18 Dimension for installation ”Wall flush-
mounted”
19 Mounting bracket
20 Unit fixing holes
21 Fixing bolts with nut for rear wall
alignment in case of tile set-off
22 Strainer
23 Water plug for surface mounting with
WKMD or WBMD fitting.
Connection with foreign fittings see
”2.12 Special fittings”
24-25 Mounting set surface installation (see
"2.12 Special fittings")
25 a Copper pipe 12 mm (supplied by
customer)
26 Cable pipe
27 Fixing screw unit bottom

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STIEBEL ELTRON 2 Installation instructions for the qualified installer 2 2 Brief description 1 Output selector 2 Cover 3 Cover lock cover fixing 4 Control panel with protective foil delivery condition 5 Hot water screw connection 6 Cold water screw connection 3 way isolating valve 7 Terminal block 8 Back wall 9 Fixing screw unit rack sen ice 10 Differential pressure switch control valve MRC with flow rate controller 11 Tubular heating element heating system 12 Safety temperature limiter The hydraulically controlled instantaneous water heater DHF C compact control is a pressurized unit for heating cold water to DIN 1988 which can supply one or more water taps The flow rate control of the control valve compensates for pressure variations and thus ensures a largely constant temperature The control valve MRC limits the flow rate and hence guarantees a sufficient temperature increase in the drinking water even in winter The tubular heating element heating system m pressunzed copper container can be used m water with a low lime content Area of use see Table 3 13 Reset button for safety temperature limiter in case of fault 14 Fixing screw for unit to mounting bra cket 15 Unit fixing bottom 16 Electrical supply concealed 17 Electrical supply surface mounted 18 Dimension for installation Wall flush mounted 19 Mounting bracket 20 Unit fixing holes 21 Fixing bolts with nut for rear wall alignment in case of tile set off 22 Strainer 23 Water plug for surface mounting with WKMD or WBMD fitting Connection with foreign fittings see 2 12 Special fittings 24 25 Mounting set surface installation see 2 12 Special fittings 25 a Copper pipe 12 mm supplied by customer 26 Cable pipe 27 Fixing screw unit bottom 2 3 Fittings Fittings for open units are not permitted In case of low water pressure hand held showers with low pressure loss must be fitted see 2 12 Special fittings Stiebel Eltron twin handle fittings for instantaneous water heater see 2 12 Special fittings One hand mixer and thermostatic fittings must be suitable for hydraulically controlled instantaneous water heaters Practical hints So that the switch on quantities see Ta ble 3 of stage and stage are safely reached the pressure loses of the instan taneous water heater fitting hand held shower shower hose and the pipe net work must be taken into account upon installation Typical pressure loss values for a shower water quantity of approx 10 l min one hand mixer 0 04 0 08 MPa thermostatic fittings 0 03 0 05 MPa hand held shower 0 03 0 15 MPa 2 4 Provisions and regulations Installation water and electrical installation as well as the first start up and maintenance of this unit may only be carried out by a qualified installer in accordance with these instructions Faultless operation and operational safety are only guaranteed if the original accesso ries and spare parts intended for the unit are used DINVDE0100 Regulations of the local energy supply company DIN 1988 DIN 4109 English 2 1 Unit structure Regulations of the relevant water supply company Install the unit flush with the wall at the lower end 18 observe dimension 110 mm The following should also be ob served The unit rating plate Technical data Water installation cold water pipe material Steel copper Plastic piping systems For the cold water unit connection a metal pipe of approx 1 m long must be installed hot water pipe material Copper Plastic piping systems The DHF C is not suitable for installa tion with plastic piping systems for the hot water pipe A safety valve is not necessary Operation with pre heated water is not permitted Thermostatic tap fittings see 1 5 Adjust ment recommendation Electrical installation Electrical connection only to permanentlyinstalled cables It must be possible to isolate the unit from the main supply on all poles with an isolat ing distance of at least 3 mm for example using fuses 13

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