Page 70
LAARS Heating Systems
Name
PW?
Function
How to get there
Demand switch (CH)
-
Set to “STAT terminal.”
Info/ Advanced Setup/ CH
Configuration
DHW pump control
Y
The boiler pump can be turned on manually, or it
can be set to operate automatically.
Info/ Test/ Manual Pump Operation
Info/ Advanced Setup/ System
Config./ Pump Config.
DHW pump cycle count
Y
A new value can be written here if the pump or
controller is replaced.
Info/ Advanced Setup/ System
Config./ Statistics Config.
DHW pump overrun time
Y
This indicates how long the DHW pump will remain
on after demand from any source ends.
Info/ Advanced Setup/ System
Config./ Pump Config.
DHW setpoint
-
This setpoint is used to control the Domestic Hot
Water function.
Quick Start
Info/ Advanced Setup/ DHW
Configuration
Digital I/O
-
This shows the status of selected switches and
valves that are either On or Off.
Info/ Diagnostics
Display setup
-
Use this to change the lines that appear at the top
of the Home display, and to set the brightness of the
display.
Info/ Display Setup
General configuration
-
Used by the Manufacturer factory.
Info/ Advanced Setup/ System
Config./ System Config.
I gain (CH)
Y
This gain is applied to the Integral term of the PID
equation for the CH loop.
Info/ Advanced Setup/ CH
Configuration
I gain (DHW)
Y
This gain is applied to the Integral term of the PID
equation for the DHW loop.
Info/ Advanced Setup/ DHW
Configuration
I gain (LL)
Y
When using the Lead/ Lag system to control
multiple boilers –
This gain is applied to the Integral term of the PID
equation for the hydronic heating loop.
Info/ Advanced Setup/ Lead Lag
Configuration/ LL Master Config.
Installer password
Y
This can only be changed by a user with the OEM-
level password.
Info/ Advanced Setup/ System
Config./ System ID and Access
LCD contrast
-
Use this to change the brightness of the display.
Info/ Display Setup
Lockout history
-
This displays the 15 most recent lockouts.
Info/ Diagnostics/ History
Low water temp. (CH)
-
Used with Outdoor Reset –
Above the point where Outdoor Reset stops
adjusting for a higher outdoor temperature (the Max.
Outdoor Temperature value), this parameter is used
as the setpoint.
Quick Start
Info/ Advanced Setup/ CH
Configuration/ Outdoor Reset Config.
Low water temp. (LL)
-
When using the Lead/ Lag system to control
multiple boilers, with Outdoor Reset enabled –
Above the point where Outdoor Reset stops
adjusting for a higher outdoor temperature (the Max.
Outdoor Temperature value), this parameter is used
as the setpoint.
Info/ Advanced Setup/ Lead Lag
Configuration/ LL Outdoor Reset
Manual burner operation
Y
During testing, use this to turn the burner on and off.
Info/ Test
Master enable (LL)
-
When using the Lead/ Lag system to control
multiple boilers –
One of the controllers must be set up as the Lead
Lag Master to supervise the Lead Lag system. The
master function must be disabled on all of the other
controllers. See the section on “About Lead Lag.”
Info/ Advanced Setup/ Lead Lag
Configuration/ LL Master Config.
Содержание NEOTHERM NTH Series
Страница 4: ...LAARS Heating Systems...
Страница 24: ...Page 24 LAARS Heating Systems Figure 9 Hydronic Piping Single Boiler Zoning with Circulators...
Страница 26: ...Page 26 LAARS Heating Systems Figure 11 Hydronic Piping Multiple Boilers Zoning with Circulators...
Страница 33: ...Page 33 NEOTHERM Residential Boilers Figure 16 Control Panel Layout...
Страница 38: ...Page 38 LAARS Heating Systems Figure 19 Ladder Diagram 7 H Ladder Diagram...
Страница 67: ...Page 67 NEOTHERM Residential Boilers Figure 44 Heat Exchanger Components 68A 65 67 60 66 63 64...
Страница 68: ...Page 68 LAARS Heating Systems Figure 45 Electrical Components...
Страница 82: ...LAARS Heating Systems Notes...
Страница 83: ...NEOTHERM Residential Boilers Notes...
