1. Installation Instruction
1.1 Description of the unit.
The STIEBEL DS pressureless (open)
small instantaneous water heater is a
device for heating water for showering.
The electrical power is electronically
controlled. The flow is controlled by
using the water valve (D).
The "Power" light (B) indicates that the
unit is switched on. If the temperature
adjustment rotary switch (A) is turned
to the left, it is possible to take a cold
shower (the heating will not be switched
on).
4
for the qualified installer
The DS is fitted with an overheating
protection device. In the event of
overheating the heating power will be
cut off.
The unit switches the power on once
the flow volume is sufficient.
STIEBEL ELTRON