Bosch CFB 840, Инструкции по обслуживанию

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DHW data | 35
6 720 802 836 (2012/05) CFB 840
10.25.4 Setting the hold time
This setting determines the holding period of the maximum temperature
for screed drying.
B
Turn the rotary dial until submenu Screed drying Hold max temp
appears.
B
Hold down button Display and turn the rotary dial until the required
value is shown.
Fig. 55 Setting the hold time
B
Release Display to save your input.
10.25.5 Setting the setback temperature
This option determines the steps in which the temperature should
decrease to dry out the screed.
B
Turn the rotary dial until submenu Screed drying Setback by
appears.
B
Hold down button Display and turn the rotary dial until the required
value is shown.
Fig. 56 Setting the setback temperature
B
Release Display to save your input.
10.25.6 Setting the setback time
This option determines in which daily cycle the temperature should fall
to dry out the screed.
B
Turn the rotary dial until submenu Screed drying Setback appears.
B
Hold down button Display and turn the rotary dial until the required
value is shown.
Fig. 57 Setting the setback time
B
Release Display to save your input.
B
Press Back to return to the next higher level.
11 DHW data
The function DHW is part of the standard equipment level of this control
unit.
11.1 Select Domestic hot water
B
Call up the service level.
GENERAL PARAM. appears as the first main menu.
B
Turn the rotary dial until main menu DHW (Domestic hot water)
appears.
B
Press Display to call up a submenu.
DHW appears as the first main menu.
B
Hold down button Display and turn the rotary dial until the required
value is shown.
B
Release Display to save your input.
B
Press Back to return to the next higher level.
11.2 Setting the temperature range
This function determines the upper limit for the set DHW temperature.
B
Call up the service level.
GENERAL PARAM. appears as the first main menu.
B
Turn the rotary dial until main menu DHW appears.
B
Press Display to call up a submenu.
Input range Factory setting
Hold max temp 0 days – 20 days 4 days
Table 69 Setting range Hold max temp
Input range Factory setting
T. setback by 1 K – 10 K 5 K
Table 70 Setting range Setback by
HEAT CIRC. DATA 2
Screed drying
Hold max temp
20 Days
6 720 802 836-69.1TL
HEAT CIRC. DATA 2
Screed drying
T. setback by
10K
6 720 802 836-70.1TL
With setting none the screed drying function terminates
at the end of the maximum hold period.
Input range Factory setting
Setback in
daily cycles
none
every day – every 5th day
every day
Table 71 Setting range Setback in daily cycles
Input range Factory setting
DHW yes
no
yes
Table 72 Setting range Domestic hot water
WARNING: Risk of scalding through hot water.
Setting the temperature above 60 °C creates a risk of
scalding.
B
Do not draw off DHW unmixed.
HEAT CIRC. DATA 2
Screed drying
Setback
every 5th day
6 720 802 836-71.1TL