LAARS NeoTherm NTV1000 - Install and Operating Manual - Manual (Page 89)

NeoTherm Boilers and Water Heaters Page 85
9.6 Installer Parameters
This is a list of all of the parameters which can be accessed using the Installer password.
Label Description How to Reach
4 mA water
temperature
If a 4 – 20 mA input is used to adjust the setpoint,
this entry sets the low limit of the control range.
(In the example shown here, an input of 4 mA
would result in a setpoint of 90°F.)
Home screen/ View Lead Lag/ Lead
Lag screen/ Lead Lag Master/ Lead
Lag Master screen/ Configure/ Lead
Lag Master Configuration screen/
Advanced Settings/ Central Heat
screen
20 mA water
temperature
If a 4 – 20 mA input is used to adjust the setpoint,
this entry sets the high limit of the control range.
(In the example shown here, an input of 20 mA
would result in a setpoint of 120°F.)
Home screen/ View Lead Lag/ Lead
Lag screen/ Lead Lag Master/ Lead
Lag Master screen/ Configure/ Lead
Lag Master Configuration screen/
Advanced Settings/ Central Heat
screen
Boiler pump
control
The Boiler pump (Pump A) can be turned on
manually, or it can be set to operate automatically.
If it is turned on, then it remains on until the
control is changed back to Auto. In Auto mode
it operates according to the demand and overrun
time.”
Home screen/ Select controller/ Status
Summary screen/ Configuration/ Pump
Configuration/ Left- or Right- arrow
buttons/ Boiler Pump screen/ Control
Settings button
Boiler pump
cycle count
Boiler pump cycle count. Can be written to a new
value (e.g. if the pump or controller is replaced).
Home screen/ Select controller/ Status
Summary screen/ Configure button/
Configuration List/ Select Statistics
Configuration line
Burner Cycle
Count
This is incremented on each entry to Run. It can
be written to a with a new value if the burner or
controller is replaced.
Home screen/ Select controller/ Status
Summary screen/ Configure button/
Configuration List/ Select Statistics
Configuration line
Burner Name This parameter allows the installer to give each
controller a unique name.
Home screen/ Select controller/ Status
Summary screen/ Configuration button/
System ID and Access
Burner Run
Time
This measures the time spent in the Run state. It
can be written to with a new value if the burner or
controller is replaced.
Home screen/ Select controller/ Status
Summary screen/ Configure button/
Configuration List/ Select Statistics
Configuration line
Burner
Switch
This parameter enables or disables the burner
control. When it is off, the burner will not fire.
Home screen/ Select controller/ Status
Summary screen
CH (Central
Heat) D gain
This gain is applied to the Differential term of the
PID equation for the CH loop.
Home screen/ Select controller/ Status
Summary screen/ Configuration button/
Central Heat Configuration/ Arrow
keys/ Modulation screen
CH (Central
Heat) Enable
This parameter determines whether the Central
Heat loop is enabled or disabled. When it is
disabled, heat demand caused by the input
assigned to the CH loop is ignored. It may be
disabled to turn it off temporarily, or because the
application does not use this feature.
Home screen/ Select controller/ Status
Summary screen/ Configuration button/
Central Heat Configuration/ Arrow
keys/ Central Heat screen
CH (Central
Heat) Frost
Protection
Enable
The CH frost protection feature can be enabled to
run a pump (or pumps) and possibly fire the burner
whenever the CH input sensor is too cold.
Home screen/ Select controller/ Status
Summary screen/ Configuration button/
Anti-Condensation Configuration/