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20 | Boiler parameters
B Hold down button Display and turn the rotary dial until the required
value is shown.
The display shows the set value.
GENERAL PARAM.
maint. message
on
Fig. 24 Setting the automatic service date
B Release Display to save your input.
B Press Back to return to the next higher level.
The maintenance message is recorded in the fault log
and can be transferred via the CFB 840 telecontrol
system.
The status of the maintenance message can be scanned in menu
Monitor. The maintenance message can be reset in menu Reset.
Input range
automatic
No
maint. message
Operating hours
Date
Table 20 Setting range Automatic maintenance message
8.7
Module selection
On starting the control units or after a system reset, the modules are
automatically recognised and their information downloaded.
Example:
• Slot 1: ZM424
• Slot 2: free
However, these modules can also be set manually if required.
B Call up the service level.
GENERAL PARAM. appears as the first main menu.
B Turn the rotary dial until main menu Module selection appears.
B Press Display to call up a submenu.
B Turn the rotary dial until submenu Pos. 1 is displayed.
B Hold down button Display and turn the rotary dial until the required
value is shown.
The display shows the set value.
Recommended setting: Function module none/auto.
The modules are automatically recognised and installed.
6 720 802 836 (2012/05)
01.10.2012
6 720 802 836-25.1TL
Factory setting
no
MODULE SELECTION
Pos. 1
Function module
Fig. 25 Module selection
B Release Display to save your input.
B Press Back to return to the next higher level.
9
Boiler parameters
9.1
Select boiler type
Subject to the selected boiler type, special setting options will be
displayed. For further information regarding the setting of boiler-
specific parameters, see
chapter 23.2, page 50.
B Call up the service level.
GENERAL PARAM. appears as the first main menu.
B Turn the rotary dial until main menu Boiler param. appears.
B Press Display to call up a submenu.
Boiler type appears as the first main menu. The display shows the set
value.
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.
Input range
Boiler type
Low temperature
Ecostream
Condensing
LT/Base line
temperature
Table 21 Setting range Boiler type
9.1.1 Low temperature boilers
The low temperature boiler is operated with a factory-set pump logic,
which depends on the selected burner type.
Setting the pump logic temperature
The heating circuit circulation pumps and, if installed, the boiler circuit
pump are switched on and off to maintain the boiler operating conditions
subject to the pump logic temperature. The preset pump logic
temperature only needs to be changed in special cases and is only
adjustable in case of boiler type = low temperature.
The factory-set pump logic temperature is 5 K below the minimum
shutdown temperature of the boiler.
B Call up the service level.
GENERAL PARAM. appears as the first main menu.
B Turn the rotary dial until main menu Boiler param. appears.
B Press Display to call up a submenu.
B Turn the rotary dial until submenu Pump logic temperature appears.
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.
none/auto
6 720 802 836-29.1TL
Factory setting
Low temperature
CFB 840
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