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SYSTEM SETUP
FAN
The Benson CP4 has three fan modes available.
User: In this mode, the user is allowed to manually switch the fan relay on/off by use of the FAN Key.
Constant Fan: On the Benson CP4 there is an option to have a constant Fan output. If enabled the fan relay will
be permanently ON during the programmed switching times and will operate to the optimiser setting.
Summer Fan: Allows the user to enter a summer fan differential. This setting is the number of degrees above
the DAY temperature that the summer fan relay will be activated. Therefore, with a day temperature of 20 and
a differential of 03 the smmer fan relay will be activated at 23°C. The minimum differential is 02 and the maximum
is 06°C.
SENSOR
The Benson CP4 has an internal sensor which is disabled as a factory
default. To enable it, select 1 for Yes when prompted.
The Benson CP4 has averaging facility. The system will automatically calculate and display the average
reading when any two sensors (internal or remote) are detected.
You are now prompted to calibrate the first sensor, if you have enabled
the internal sensor you will calibrate this first followed by 1 remote sensor.
If you have not enabled the internal sensor you are prompted to
calibrate the first and then second remote sensor.
To calibrate, simply enter the new sensor reading after the colon.
EXTRA
SERVICE MODE
From the Normal Run Mode, enter the engineers code and press 4 for Setup, 4 for Extras followed by 1 for
Service mode.
You are now prompted to:
1> Configure the service mode or
2> Reset the current hours run total held in the unit
Pressing 1 to configure the unit will display the following
screen and will ask you to turn the service mode on of off.
You are now required to enter the number of hours the system may run
before the service mode should be Activated. Press Enter to accept
the programmed setting.
You should now enter the phone number that you want
displayed when a service
SERVICE ALARM ACTIVATED
When a service alarm has been activated a warning screen will be displayed for 5 seconds every minute. You
are able to cancel this warning by pressing RESET whilst the warning display is on screen.
Remember that you will not receive further service alarms until the control has been reset by an engineer.
INTERNAL SENSOR
N<0> Y<1> : 0
CALIBRATE (20)
INTERNAL : 23
CALIBRATE (19)
REMOTE 1 : 20
1> CONFIGURATION
2> RESET DATA
SERVICE MODE
N<0> Y<1> : 0
SERVICE MODE
HOURS RUN: 0000
SERVICE MODE
CALL : 0000000000
USER<0> C.FAN <1>
S.FAN <2> : 0
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