4.5.2 Combining loads using "full mode"
To combine two loads using " full mode" :
1.
Go to > Advanced Setup > Load Combining.
The "Basic Mode" box is checked by default. .
2.
Uncheck the "Basic Mode" box. More parameters appear on the screen (may need to
scroll down): Initial Delay, Off Delay, Retry Delay, and Maximum Throttle.
Initial
Delay
Amount of time (minutes) between when the primary load is being serviced
and the secondary load is brought on to be serviced. For example, 5 equals 5
minutes.
Off Delay Sets a delay between loads to prevent loads from coming off-on. Default is 5
minutes.
Retry
Delay
The system was unable to bring on a load because of a conflict with set
rules. Indicates the amount of time (default is 10 minutes)îbefore the system
will attempt to service the secondary load.
Maximum
Throttle%
If say the throttle is set at 75% (default) and the boiler is already running over
75% of it full fire the secondary load will not be allowed to be serviced at the
same time. Once the boiler is running below 75% of its capacity, the
secondary load will be serviced.
3. In the Primary Load field, tap Disabled > select the load type that will control boiler
operation (while load combining is active), in our example Load 1- DHW> OK.
4. In the Secondary Load field, tap Disabled > select the load type for the secondary load, in
our example, Load 2 - Reset Heating > OK.
5. To change the Initial Delay default, tap 5 > from the number pad, pick a number > OK.
6. To change the Off Delay default, tap 5 > from the number pad, pick a number > OK.
7. To change the Retry Delay default, tap 10 > from the number pad, pick a number > OK.
8. To change the Maximum Throttle %, tap 75% > from the number pad, pick a number > OK
9. Tap Save to save the changes.
10. Check the Boiler Status screen. If the field indicates that it is out of temperature range, you
may need to adjust the temperature of one of the loads.
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