Operating Panel; Before Commissioning The Appliance; Switching The Appliance On/Off; Led Status Display - Bosch Tronic 4000 Series Installation And Operating Instructions Manual

4.1

Operating panel

Fig. 4 Operating panel
[1] Operating status LED
4.2

Before commissioning the appliance

CAUTION
Risk of electric shock!
▶ The initial commissioning of the appliance must be carried
out by a qualified expert who will provide the client with all
the information required for its proper functioning.
NOTICE
Risk of damage to the appliance!
▶ Never turn on the appliance if there is no water. This could
damage the heating element.
4.3

Switching the appliance on/off

Switching On
▶ Turn on a hot water tap.
The appliance turns on. The water heats up while it
circulates through the appliance.
Switching Off
▶ Turn off the hot water tap.

4.3.1 LED status display

LED Appliance status
Off Appliance switched off
White LED Appliance switched on
White LED flashes The appliance is not reaching the set
(1x per second) temperature. The appliance has reached
the power limit ( chapter
9).
Tronic 4000 – 6721830066 (2021/06)
LED Appliance status
White LED flashes Automatic start-up air purge.
(2x per second)
Red LED The appliance is malfunctioning (
chapter 9).
White LED flashes The water inlet temperature is higher
4x than the temperature selected on the
appliance (Solar). The appliance does
not heat up.
Table 2
4.4

Temperature control

This appliance is thermostatic and with a factory-defined fixed
temperature control set at 57 °C.
Under certain utilisation conditions and for short periods, the
water temperature can reach 70 °C. Nonetheless, the hot water
pipework can reach high temperatures, with the risk of burns in
the event of contact. To access the temperature blocking
functions ( chapter 5.9.2).
CAUTION
Risk of scalding!
Scalding in children, the elderly or adults due to contact with
hot water.
▶ Always check the water temperature by hand.
Length of time for scalding to occur
Temperature Elderly people/
children under 5
years of age
50 °C 2.5 minutes
52 °C less than 1 minute
55 °C Roughly 15 seconds Roughly 30 seconds
57 °C Roughly 5 seconds
60 °C Roughly 2.5 seconds Less than 5 seconds
62 °C Roughly 1.5 seconds Less than 3 seconds
65 °C Roughly 1 second
68 °C Less than 1 second
Table 3
4.5

Start-up after a power failure

After a power failure,
User Instructions
Adults
more than 5 minutes
1.5 to 2 minutes
Roughly 10 seconds
Roughly 1.5 seconds
Roughly 1 second
9