LAARS NeoTherm NTV (Sizes 080–850 MBTU/h) - Start Up Guide - Manual (Page 2)

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LAARS Heating Systems
TABLE OF CONTENTS
Operating the Interface
Navigating the Operator Interface---------------------------------------------------------------------------3
Info/Install Display, Sub-Menu---------------------------------------------------------------------------------4
Entering the password-------------------------------------------------------------------------------------------5
Changing the setpoint--------------------------------------------------------------------------------------------5
Navigating Set Up
Adjusting LCD contrast-----------------------------------------------------------------------------------------6
Customizing the Home Screen--------------------------------------------------------------------------------6
Changing from Fahrenheit to Celsius------------------------------------------------------------------------6
Single boiler Set Up (using Quick Start)
Adjust Central Heat set point---------------------------------------------------------------------------------7
Adjust DHW set point-------------------------------------------------------------------------------------------7
Single boiler Outdoor reset------------------------------------------------------------------------------------7
Low Water Temperature---------------------------------------------------------------------------------------8
Max Outdoor Temperature------------------------------------------------------------------------------------8
Min Outdoor Temperature-------------------------------------------------------------------------------------8
Warm Weather Shut Down------------------------------------------------------------------------------------8
Cascading multiple boilers
Lead Lag Set Point-----------------------------------------------------------------------------------------------9
Lead Lag Outdoor Reset----------------------------------------------------------------------------------------9
Warm Weather Shut Down-----------------------------------------------------------------------------------9
DHW Set Point using Lead Lag------------------------------------------------------------------------------10
Enable Master Control Function---------------------------------------------------------------------------10
Enable Slave Control Function on Master Control-----------------------------------------------------10
Naming each boiler--------------------------------------------------------------------------------------------11
Adjust Base load------------------------------------------------------------------------------------------------11
Modbus Address-----------------------------------------------------------------------------------------------12
Slave Boilers Set Up-------------------------------------------------------------------------------------------12
Combustion Set Up
High Fire Navigation-----------------------------------------------------------------------------------------13
Low Fire Navigation------------------------------------------------------------------------------------------13
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