To Change Ch Loop Setpoint Source - Ace Heating Solutions Atlas A050 Operating And Maintenance Manual

Configure CH – Central Heat Configuration
Configure CH – Central Heat Configuration
x
Type in desired number between 0 to 400
P gain applied to the proportional term of the PID equation for the CH loop.
I gain applied to the Integral term of the PID equation for the CH loop.
D gain applied to the Differential term of the PID equation for the CH loop.

5-1.11 To Change CH Loop Setpoint Source

Configure CH – Central Heat Configuration
(Default: 4-20mA setpoint)
x
Select Local to use local setpoint as CH setpoint
x
Select 4-20mA to use remote setpoint as CH setpoint
5-1.12 To Change CH 4-20ma Setpoint Range
Configure CH – Central Heat Configuration
Configure CH – Central Heat Configuration
With CH 4-20mA remote setpoint enabled, CH setpoint is provided using the linear interpolation of the 4 mA (min
setpoint) and 20 mA (max setpoint) range received from the building automation system.
5-1.13 To Change CH Priority Over Lead Lag
Configure CH – Central Heat Configuration
No/False/Off)
This parameter sets whether a local CH demand has priority over the control asserted by the LL master, when
enabled as a slave.
5-2 Outdoor Reset Related Configuration
5-2.1 To Change Maximum Outdoor Temperature
Configure Outdoor Reset Configuration
80 F)
x
Type in desired temperature between -40 F and 240 F (-40 C and 115 C)
This parameter determines the maximum outdoor temperature for the CH outdoor reset graph. At the maximum
outdoor temperature the setpoint will be the minimum water temperature.
5-2.2 To Change Minimum Outdoor Temperature
Configure Outdoor Reset Configuration
50 F)
x
Type in desired temperature between -40 F and 240 F (-40 C and 115 C)
This parameter determines the X coordinate of one point on the Outdoor Reset graph. At this outdoor temperature the
setpoint will be the CH setpoint (or the CH TOD setpoint, if TOD is on).
5-2.3 To Change Minimum Water Temperature
Configure Outdoor Reset Configuration
x
Type in desired temperature between 32 F and 240 F (0 C and 115 C)
This parameter provides the CH setpoint when the outdoor reset temperature is at its defined maximum.
5-2.4 Outdoor Reset Graph
Configure Outdoor Reset Configuration
Modulation I-Gain Textbox (Default: 50)
Modulation D-Gain Textbox (Default: 0)
Setpoint Setpoint Source Textbox
Setpoint 4 mA Water Temperature Textbox (Default: 40 F)
Setpoint 20 mA Water Temperature Textbox (Default: 200 F)
Central Heat CH has priority over LL Textbox (Default:
Central Heat Maximum Outdoor Temperature Textbox (Default:
Central Heat Minimum Outdoor Temperature Textbox (Default:
Central Heat Minimum Water Temperature Textbox (Default: 40 F)
Show Line Button
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Rev 2.1