HAMWORTHY HEATING LTD
73
Merley Boiler Sequence Controller
500001210/D
Clock mode
This setting defines the impact of the system time on the controller
’
s time setting. The
impact is as follows :
-
Autonomously: The time of day on the controller can be readjusted
The controller's time of day is not matched to the system time
-
Slave without remote adjustment: The time of day on the controller cannot be read-
justed
The controller's time of day is constantly and automatically matched to the system
time
-
Slave with remote adjustment: The time of day on the controller can be readjusted; at
the same time, the system time is readjusted since the change is adopted from
the master.
The controller's time of day is still automatically and constantly matched to the
system time
-
Master: The time of day on the controller can be readjusted
The time of day on the controller is used for the system. The system time will be
readjusted
outside temperature
source
Only 1 outside temperature sensor is required in the LPB plant. This sensor is
connected to a freely selectable controller and delivers via LPB the signal to the
controllers without sensor.
The first numeral to appear on the display is the segment no. followed by the device
no.
Assignment of DHW
heating
Assignment of DHW heating is required only if it is controlled by a heating circuit
program (refer to operating lines 1620 and 5061).
Settings:
Local heating circuits:
DHW is only heated for the local heating circuit
All heating circuits in the segment:
DHW is heated for all heating circuits in the segment
All heating circuits in the system:
DHW is heated for all heating circuits in the system.
With all settings, controllers in holiday mode are also considered for DHW heating.
Ext source with eco mode
Economy mode can be selected from menu
”
Special operation / service
”
(operating
line 7139).
In Economy mode, external heat sources on the LPB are operated as follows:
Off:
Remains locked
Only
DHW: Released for DHW charging
On:
Always released.
Clock
Line no.
Operating line
6640
Clock mode
Autonomously
Slave without remote
Slave with remote setting
Master
6650
Outside temp source