Menu Operation; Maximum And Minimum Rates - Keston SYSTEM2 S30 Installation & Servicing

2.31 MENU OPERATION

The menu option contains a list of attributes that informs the user about the operating state of the boiler. The user should
scroll down the menu and press enter to select the desired option.
Service Contact Name
Service Phone Number
Exit

2.32 MAXIMUM AND MINIMUM RATES

Maximum and Minimum Rate can be accessed through the menu option.
Maximum Rate
Target Fan Speed: 6800rpm
Actual Fan Speed: 6800rpm
Time remaining: 10 mins
Exit
Press
The boiler will run at Maximum Rate for 10mins as
long as there is sufficient cooling load
(With Outside Sensor)
34
Section 2 - Installation
Menu
Change Service Time
Down Enter
Press
Minimum Rate
Target Fan Speed: 1400rpm
Actual Fan Speed: 1400rpm
Time remaining: 10 mins
Exit
Press
The boiler will run at Minimum Rate for 10mins
If the return temperature is under 40°C
then the fan will run for 30s at maximum
rate before ramping down over 60s to
minimum rate.
If the return temperature is above 40°C
then the fan will ramp down over 60s to
minimum rate.
Installation and Servicing