Minimum Clearances; Water Connections; Permissible Water Connection Materials; Installation - Stiebel Eltron DCE 10 Plu Funcionamiento E Instalación

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installation
8.2

Minimum clearances

≥2˝
(≥50)
≥4˝
(≥100 mm)
f Maintain the minimum clearances to ensure trouble-free op-
eration of the water heater and facilitate maintenance work.
8.3

Water connections

CAUTION: DO NOT INSTALL IN A BATH ENCLOSURE OR
!
SHOWER STALL OR CONNECT TO A SALT-REGENERATED
WATER SOFTENER OR A WATER SUPPLY OF SALT
WATER
FOR USE ON AN INDIVIDUAL BRANCH CIRCUIT ONLY
CAUTION: CONNECT ONLY TO A CIRCUIT PROTECTED
BY A CLASS A GROUND FAULT CIRCUIT INTERRUPTER
USE COPPER CONDUCTORS ONLY
USE BONDING CONDUCTOR IN ACCORDANCE WITH THE
CANADIAN ELECTRICAL CODE, PART I
Material losses
!
Carry out all water connection and installation work in
accordance with regulations.
Material losses
!
Excessive heat from soldering on copper pipes near the
DCE may cause damage to the unit or the plastic filter
screen located in the cold water inlet.
NOTICE
The cold water connection to the unit MUST be discon-
nected periodically in order to clean the filter screen.
It is required to use water connections that are easily
detachable such as braided steel flex connectors.
NOTICE
Hard water or water with a high mineral count may dam-
age the unit. Damage to the unit caused by scale or a high
mineral count is not covered under the warranty.
NOTICE
Tankless water heaters such as the DCE are not required
to be equipped with a temperature and pressure relief
valve (T&P). If the local inspector will not pass the in-
stallation without a T&P, it should be installed on the hot
water outlet side of the unit.
f Make certain that the cold water supply line has been flushed
to remove any scale and dirt.
www.stiebeleltronamericas.com
f T
he DCE unit has a built in filter screen located in the cold
water inlet that should be cleaned from time to time. Clean
screen and put the screen back into its original position. See
section 15.2, "Cleaning the filter screen", pg. 16.
f The cold water connection (inlet) is on the right side of the
unit, and the hot water connection (outlet) is on the left side
of the unit.
8.4

Permissible water connection materials

f The DCE's hot water outlet (left) is designed for connection to
copper tubing, PEX tubing, or a braided stainless steel hose
with a ½˝ NPT female tapered thread.
f The plumbing on the cold water inlet side (right) needs to be
such that it can easily be removed to allow access to the inlet
filter screen. The easiest way to achieve this is to use a braid-
ed steel flex connector with a ½˝ female NPT connection.
f If soldering near the unit is necessary, please direct the
flame away from the housing of the unit in order to avoid
damage.
f When all plumbing work is completed, check for leaks and
damage to the plastic filter screen. Take corrective action be-
fore proceeding.
Material losses
!
If plastic pipework systems are used, take into account
the maximum inlet temperature and the maximum per-
missible pressure.
8.4.1 Flow rate
f Ensure that the minimum activation flow rate for switching
on the water heater is met: 0.264 gal (1.0 l/min).
f If the required minimum activation flow rate is not met when
the draw-off valve is fully opened, increase the water line
pressure.
f The minimum incoming cold water supply line pressure must
be at least 26.1 psi (1.8 bar) or higher.
9.
Installation
factory settings
Internal anti-scalding protection in °F (°C) 140 (60) 140 (60) 140 (60)
Connected load in kW
@ 208 V 7.2
@ 220 V 8.0
@ 240 V 9.6
Standard installation
Electrical connection from below, non-
concealed installation
Water connection, non-concealed instal-
lation
For further installation options, including concealed in-wall elec-
trical and water connection options, see section 12, "Alternative
installation methods", pg. 12.
DCE 10
DCE 13
DCE 15
Plus
Plus
Plus
11.8
10.7
13.2
12.0
14.4
DCE 10
DCE 13
DCE 15
Plus
Plus
Plus
x
x
x
x
x
x
DCE Plus|
9

Capítulos

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