Preparation; Installation Site; Minimum Clearances; Water Installation - STIEBEL ELTRON DHF 13 C Operation And Installation Manual

INSTALLATION

Preparation

Installation set, surface-mounted
- Solder fitting – copper pipe for a Ø 12 mm solder connection
- Press fitting – copper pipe
Load shedding relay (LR 1-A)
The load shedding relay for installation in the distribution board
provides priority control for the instantaneous water heater when
other appliances, such as electric storage heaters, are being op-
erated simultaneously.
9. Preparation
9.1

Installation site

Material losses
!
Install the appliance in a room free from the risk of frost.
f Always install the appliance vertically and near the draw-off
point.
The appliance is suitable for undersink and oversink installation.
Undersink installation
1 Cold water inlet
2 DHW outlet
Oversink installation
2
1 Cold water inlet
2 DHW outlet
Note
f Mount the appliance on the wall. The wall must have
sufficient load bearing capacity.
20 | DHF C
9.2
f Maintain the minimum clearances to ensure trouble-free op-
9.3
Never operate with preheated water.
f Flush the water line thoroughly.
Flow rate
f Ensure that the flow rate required to switch on the appliance
Taps
Use appropriate pressure taps. Open vented taps are not per-
1
2
missible.
Thermostatic pressure valves must be suitable for hydraulically
controlled instantaneous water heaters.
1
Permissible water line materials
- Cold water supply line:

Minimum clearances

≥50
eration of the appliance and facilitate maintenance work.

Water installation

is achieved (see chapter "Installation / Specification / Data
table / ON"). If the required flow rate is not achieved when
the draw-off valve is fully opened, increase the water line
pressure.
Note
Never use the 3-way ball shut-off valve in the cold water
inlet to reduce the flow rate. The 3-way ball shut-off valve
is intended only to shut off the cold water inlet.
Pipes made from galvanised steel, stainless steel, copper or
plastic
Material losses
!
If you use plastic pipework in the cold water supply line,
you must observe the following condition:
f Install a metal pipe approx. 1 m in length at the ap-
pliance cold water connection. Then you can install
the plastic pipework.
≥50
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