Displaying The Appliance History; Display The Selected Appliance; Switching The Pump On Or Off; Setting The Service Interval - A.O. Smith ADMR - 40 Installation, User And Service Manual

Commercial atmospheric water heater
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12.4 Displaying the appliance history

The appliance history submenu is used to display the
burning hours, the number of ignitions, the number of
flame errors and the number of ignition errors.
Call up the menu for displaying the appliance history
as follows:
: APPLIANCE HISTORY
The figure shows an example.
APPLIANCE HISTORY
BURNINGHOURS 000410
^IGNITIONS
001000
ÈFLAME ERRORS 000021
IGNIT ERROR
000013

12.5 Display the selected appliance

Call up the menu for displaying the appliance selection
as follows:
: SELECT APPLIANCE
The appliance number can be found on the rating
plate.
The appliance selection has been correctly preset
in the factory.
SELECT APPLIANCE
»5934
^ 8576
È 3379
6527
....

12.6 Switching the pump on or off

If a program-controlled pump is
installed (3.6.2 "Recirculation pipe"), it can be
switched ON or OFF as follows:
: PUMP RELAY
The standard setting for the pump relay is OFF.
PUMP RELAY
»ON
OFF
If the mode WEEK PROGRAM or EXTRA PERIOD is
active, then the setting for mode WEEK PROGRAM or
EXTRA PERIOD has priority over the ON/OFF
selection for the pump relay in the service menu.
Example
One of the week program periods is currently active.
During this period, the pump relay setting is OFF. If the
pump relay is set ON in the service menu, the pump
will nonetheless remain OFF. The pump will only
switch ON once the week program period has ended.
64
Service program

12.7 Setting the service interval

To aid servicing, the electronic controller includes a
service interval which is used to set the frequency of
maintenance interval (14.2 "Determining service
interval") by the service and maintenance engineer,
based on the number of burning hours.
The service interval is based on the number of burning
hours. This can be set to 500, 1000 and 1500 hours.
The standard setting for number of hours is 500. Once
the preset number of hours is reached, a
message (8.4 "Service condition"). to this effect will
appear. Adjust the service interval via:
SERVICE INTERVAL
» 500
^ 1000 BURNING HOURS
È 1500

12.8 Setting the display contrast

Adjust the display contrast via:
CONTRAST DISPLAY

12.9 Setting the display backlight time

Set the backlight time (the time that the display
backlight remains lit after the last button is pressed) as
follows:
TIME BACKLIGHT

12.10 Setting the display scroll speed

Adjust the control speed via:
SCROLLSPEED
: SERVICE INTERVAL
: CONTRAST DISPLAY
The standard setting is 100%. The range is from 0
through 100%.
The figure shows the related display.
» 95%
: TIME BACKLIGHT
The standard value is 255 s. The range is 0 to 255
seconds.
The figure shows the related display.
» 255 sec
: SCROLLSPEED
The default is 10. The range is from 0 through 100.
Setting the value too high or low will make scrolling
difficult.
» 10
Instruction manual ADMR
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