Refrigerant Circuit; High Limit Safety Cut-Out; Draining The Cylinder; Service" Menu - Bosch Compress 3000 DW FI Series Installation And Operating Instructions Manual

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Fig. 45 Safety valve
[1] Safety valve
[2] Sequence
CAUTION: Risk of scalding!
▶ Ensure that draining water from the
safety valve presents no risk to people or
property.

10.6 Refrigerant circuit

NOTICE: Refrigerant leak!
▶ Maintenance work may only be carried
out on the refrigerant circuit (e.g. on the
compressor, condenser, evaporator,
expansion vessel, etc.) by a certified
contractor.

10.7 High limit safety cut-out

The appliance is equipped with an automatic safety facility.
This safety facility switches off the DHW cylinder in order to
prevent the risk of injury if the DHW cylinder water temperature
rises above a certain limit.
NOTICE: The high limit safety cut-out may
only be reset by a qualified contractor!
The high limit safety cut-out must be reset
manually, but only once the cause of the fault
has been eliminated.
Resetting the high limit safety cut-out
▶ Remove the front protective covering ( Fig. 3, [24]).
▶ Remove the protective cap from the resistor.
Compress 3000 DW FII
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▶ Push the reset button until it stops ( Fig. 46, [1]).
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Fig. 46 Temperature control unit
[1] Reset button
[2] Temperature setting of the high limit safety cut-out.
After resetting, ensure that the temperature
controller is in the position shown in Fig. 46.
Do not damage the sealing.

10.8 Draining the cylinder

CAUTION: Risk of scalding!
Check the appliance's DHW temperature
before opening the safety valve.
▶ Wait until the water temperature has
dropped enough to prevent scalding and
other damage.
▶ Isolate the appliance from the power supply.
▶ Close the water shut-off valve at the cold water inlet and
open one DHW tap.
▶ Open the drain tap.
-or-
▶ Open safety valve.
▶ Wait until the water stops flowing out of the safety valve
drain tap and the appliance has been completely drained.

10.9 "Service" menu

This menu is meant to assist the contractor
and may be used by the contractor only.
Service | 27
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