To Enable Or Disable Lead Lag Ch Loop Outdoor Reset - Ace Heating Solutions Atlas A050 Operating And Maintenance Manual

5-16.5 To Enable Or Disable Lead Lag CH Loop Outdoor Reset

Configure Lead Lag Master Configuration
(Default: Disabled)
x
Select Enable to enable CH loop outdoor reset
x
Select Disable to disable CH loop outdoor reset
If outdoor reset is enabled then the current outdoor temperature is used to determine the Setpoint by interpolation
using LL CH Setpoint (or LL CH Time-Of-Day Setpoint if TOD is on), the min water temperature, and the min and max
outdoor temperatures.
5-17 Lead Lag Advanced Setting: DHW Parameter
5-17.1 To Change Lead Lag DHW Priority Source
Configure Lead Lag Master Configuration
(Default: Disabled)
x
Select DHW heat demand for LL DHW heat demand priority
x
Select Disable to LL DHW heat demand priority
5-17.2 To Change Lead Lag DHW Priority Method
Configure Lead Lag Master Configuration
(Default: Boost DHW during priority time)
x
Select Boost during priority time
x
Select Drop after priority time
5-17.3 To Change Lead Lag DHW Priority Override Time
Configure Lead Lag Master Configuration
time Textbox (Default: 5m0s)
x
Type in desired time
If this parameter is non zero, then a DHW demand will shift. Its priority vs other demand sources according to the
specified time. The Priority override timing is reset when demand from the DHW source turns off.
5-18 Lead Lag Advanced Setting: Frost Protection Parameter
5-18.1 To Enable Or Disable Lead Lag Frost Protection
Configure Lead Lag Master Configuration
Disabled)
x
Select Enable to enable CH loop frost protection
x
Select Disable to disable CH loop frost protection
The LL frost protection feature can be enabled to turn the pump and possibly fire the burner whenever the input
sensor is too cold.
5-18.2 To Change Lead Lag Frost Protection Setpoint
Configure Lead Lag Master Configuration
(Default: 32 F)
x
Type in desired temperature between 32 F and 240 F (0 C and 115 C)
This parameter provides the setpoint for frost protection based on outdoor temperature. When the outdoor
temperature falls below this threshold then frost protection will be active.
5-18.3 To Change Lead Lag Frost Protection Rate
Configure Lead Lag Master Configuration
Textbox (Default: 0%)
x
Type in desired rate
Advanced Setting Central Heat
Advanced Setting DHW Parameter
Advanced Setting DHW Parameter
Advanced Setting DHW Parameter
Advanced Setting Frost Protection
Advanced Setting Frost Protection
Advanced Setting Frost Protection
84
Outdoor Reset Textbox
Priority source Textbox
Priority method Textbox
DHW priority override
Enable Textbox (Default:
Outdoor Setpoint Textbox
Frost Protection Rate
Rev 2.1