LAARS NeoTherm LC NTV1700 - Install and Operating Manual - Manual (Page 91)

NeoTherm LC Boilers and Water Heaters Page 87
Label Description How to Reach
Modbus
address
Each controller must have a unique Modbus
address.
<’home’ screen> Setup button
screen> Control setup button/ Change
address button
Number of
controllers in
Flap Valve
system
Each controller needs to know how many flap
valves are included in the whole system. On a
system with 4 boilers, there would be a total of 8
flap valves.
<’home’ screen> Select a controller
Configure
button Select Flap
Valve Configuration
Outdoor
temperature
source
This configures which source is used to provide
outdoor temperature data: S5 sensor, S10 sensor,
Enviracom sensor, or Modbus communication”
<’home’ screen> Select a controller
Configure
button Select
Sensor Configuration
System
pump cycle
count
System pump cycle count. Can be written to
a new value (e.g. if the pump or controller is
replaced).
<’home’ screen> Select a controller
Configure
button Select
Statistics Configuration
Temperature
units
This parameter determines whether temperature
is represented in units of Fahrenheit or Celsius
degrees.
<’home’ screen> Select a controller
Configure
button Select
System Configuration
Lead/
Lag Warm
Weather
Shutdown
Enable
When the Lead/Lag system is enabled, and this
feature is enabled, this feature will turn off the
whole system (for Central Heating functions)
when the outdoor temperature is warm enough.
This prevents the system from running when
there is no need for heat.
If Lead/Lag enabled –
<’home’ screen> Lead/Lag Master button
Configure
button
screen> Advanced Settings button/ Left-
or Right- arrow buttons
Warm
weather
shutdown
setpoint
If the outdoor temperature is higher than this,
the system will be shut off for Central Heating
functions.
If Lead/Lag enabled –
‘home’ screen/ View Lead/Lag button/
Lead/Lag screen/ Lead/Lag Master
button/ Lead/Lag Master screen/
Configure button/ Lead/Lag Master