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INSTALLATION
Installation
16 | DHX Trend & DHX Plus www.stiebel-eltron-usa.com
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f Connected braided steel flex connectors (recommended for hot
outlet, required for cold inlet, not supplied) to the twin ½˝ NPT
male connectors.
f Open the shut-off valve in the cold water inlet line.
When all plumbing work is completed, check for leaks and take
corrective action before proceeding.
11.3 Aerator installation at connected faucet
DHX 3.5-1 Trend ships with a 0.5 gpm (1.9 l/min) pressure compen-
sating flow-reducer/aerator. DHX 6-2 Trend ships with a 1.0 gpm
(3.8 l/min) pressure compensating flow-reducer/aerator. For these
models, the aerator must be installed on the faucet the water heater
is connected to. Failure to install the aerator may result in lower
water temperatures than desired.
11.4 Electrical connection
WARNING: Electrocution
Before beginning any work on the electric installation,
be sure that main breaker panel switches are “Off” to
avoid any danger of electric shock. All mounting and
plumbing must be completed before proceeding with
electrical hook-up.
The unit must be properly grounded in accordance with
state and local codes, or in absence of such codes, in
accordance with national electric code or the Canadian
electric code. Failure to electrically ground the product
could result in serious personal injury or death.
!
CAUTION: DO NOT INSTALL IN A BATH ENCLOSURE
OR SHOWER STALL. DO NOT 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 INTERRUPTER
USE BONDING CONDUCTOR IN ACCORDANCE WITH THE CA-
NADIAN ELECTRICAL CODE, PART I
WARNING Electrocution
The connection to the power supply is only permissible as
a permanent connection in conjunction with a ¾˝ Romex
clamp. Ensure the water heater can be separated from
the power supply by an isolator that disconnects all poles
with at least 1/8˝ (3mm) contact separation.
!
Supply this appliance only from a grounded system. A
green terminal (or a wire connector marked “G”, “GR”,
“GROUND”, OR “GROUNDING”) is provided for wiring the
appliance. To reduce the risk of electric shock, connect
this terminal or connector to the grounding terminal of
the electric service or supply panel with a continuous
copper wire in accordance with the electrical installation
code.
!
Material losses
Observe the type plate. The specified rated voltage must
match the supply line voltage.
!
Material losses
The DHX 3.5-1 Trend must only be connected to a 120V elec-
trical supply. Connecting the DHX 3.5-1 Trend to a 208–240V
electrical supply will permanently damage the unit and void
the factory warranty.
f All electrical work must comply with national and applicable
state and local electrical codes.
f The DHX should be connected to a properly grounded dedicat-
ed branch circuit of proper voltage rating. In installa tions with
several DHX units, each unit requires an independent circuit.
Please refer to the technical data table for the correct wire and
circuit breaker size.
f A 3/4˝ Romex clamp (required, not supplied) should be in-
stalled in the opening located between the hot and cold water
connections. The wire should be fed through the Romex clamp.
The “live” wires must be connected to the slots on the terminal
block marked N and L (DHX 3.5-1 Trend only) or L and L (all
other versions). The ground wire must be connected to the slot
marked with the ground symbol. See section 17.2, “Wiring dia-
grams,” pg. 21.
4Ǭ–5ǩÝ (125–130 mm)
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