Laars NEOTHERM NTH Series Guide de l'utilisateur

Start Up Guide Document 1278

Start Up Guide for

NEOTHERM

Modulating Boilers and

Water Heaters with the

EMEA Display

Model NTH & NTV

Sizes 080–850 MBTU/h

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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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NEOTHERM Boilers and Water Heaters

INTERFACE

Display area

This area displays several different kinds of information, including current operating

information, setup parameters, and messages from the SOLA controller.

Up/ Down Arrow buttons Use these buttons to go to the choice you want to select in the display area.

Left/ Right Arrow buttons Use these buttons to go to the choice you want to select in the display area.

Back button Use this button to return to the previous display.

Info/ Install button Press this button at any time to access the sub-menus that allow you to set up

and monitor the controller.

Home button Press this button at any time to return to the Home display.

Round OK button Use the round OK button to confirm a value or action.

Note – Sometimes the system will present the Keyboard display screen, which

includes a separate “OK” area. This is not the same as the round OK button– the two

have different functions.

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LAARS Heating Systems

Sub Menu Screen

Quick Start

This menu gives you an easy way to check or change the most common settings on

the unit

• CH set point

• DHW set point

• Outdoor reset

• Low water temperature

• Maximum outdoor temperature

• Minimum outdoor temperature

• Adjustable high limit

• Adjustable Stack limit

password, enter it here. Password is LNT in lower case, (lnt).

Test Allows you to choose Forced Firing, Manual Burner or Manual Pump Operation.

Advanced Setup Allows you to configure the system settings.

Diagnostics Used to check the recorded Lock Out and Alert history, Sensors, and Digital IO.

Display Setup Used to adjust the contrast of the display or change how the items are displayed on

the Home screen.

To move from one choice to another, use the Left and Right arrow

buttons or the Up and Down arrow buttons. Once you have highlighted

the choice you want, press the OK button.

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NEOTHERM Boilers and Water Heaters

Navigating the Password and Setpoint Screens

•Navigation

•Home Screen, Press “I” Info/Install button

•Use Arrow buttons to highlight “Login”

•Press OK

•Use the Left/Right and Up/Down arrow buttons to navigate

through the screen.

•Highlight the desired letter, then press the round OK button,

(on touch pad). Repeat the steps until the password is typed in.

•Next use the arrow buttons and scroll to highlight the (ok) button

on the screen.

•Now press the round OK button, (on touch pad)

•Navigation

•Home Screen, Press “I” Info/Install button

•Use Arrow buttons to highlight “Quick Start”

•Press OK

•Select “CH Setpoint”

•Press OK

•You can use the UP or Down buttons to change the set point.

Then press “OK”.

Or use the left arrow button and scroll to highlight the +/-tab on

the screen.

•With the +/- tab Highlighted use the Up or Down buttons to

adjust the set point.

•Next, use the Right arrow button to scroll and highlight the (ok)

button on the screen.

•Now press the round OK button, (on touch pad).

Password Screen

Password is LNT in lower case (lnt)

Set Point Screen

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LAARS Heating Systems

Adjusting LCD contrast

This feature is used to lighten or darken the display screen.

Navigation

•Home screen, press “I” Info/Install button

•Use the arrow buttons to highlight “Display Set Up”

•Press OK

•“LCD contrast” is highlighted, Press OK

•Use Left or Right arrow buttons to adjust the brightness, press OK

Customizing the Home Screen

The top five lines on the Home Screen can be customized. An example is if you wanted the

“Delta T” or “Flame Signal” to appear on the Home Screen, you can change the parameters.

Navigation

•Home Screen, press “I” Info/Install button

•Scroll to highlight “Display Setup”, press OK

•Highlight the line you would like to change,(example ”Line 2 Operating Temp”), press OK

•Scroll to highlight a new parameter, press OK

Change from Fahrenheit to Celsius

Navigation

•Home screen, press “I” Info/Install button

•Use the arrow buttons to highlight “Advanced Set Up”, Press OK

•Use the Down arrow button to highlight “System Config”, Press OK

•Scroll to highlight “System Config” again, then Press OK

•Screen should be highlighted for “Temperature Units”. If not, use Up/Down buttons to

highlight and press OK.

•Use Down arrow button to select “Celsius”, press OK

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NEOTHERM Boilers and Water Heaters

Single Boiler Set Up

Note: When installing a single boiler, the system sensor supplied with the boiler is not needed. The

system sensor will be needed when cascading multiple boilers together.

The Outdoor sensor supplied with the boiler must be installed. If not, the alarm light on the SOLA

control will be on and the alarm contacts will close.

Single Boiler CH Set Point

Navigation

•Home screen Press “I” Info/Install

•“Quick Start” should be highlighted, press OK.

•CH Setpoint should be highlighted, press OK.

•Using the arrows and OK button, adjust the set point. (see the bottom of page 5).

After pressing the round OK button to confirm a set point, the display will go back to the “Quick

Start” screen. You can now select and adjust other parameters from this screen. The screen will time

out after 8 minutes of no activity, and return back to the Home Screen.

Single boiler DHW Set Point

Navigation

•Home screen, Press “I” Info/Install

•“Quick Start” should be highlighted, press OK

•Use the Down arrow button to Highlight “DHW set point”, press OK.

•Using the arrow and OK button, adjust the set point. (see the bottom of page 5).

•Press OK

Single boiler Outdoor reset

Note: The Outdoor reset is Enabled from the factory. (No further steps needed).

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LAARS Heating Systems

Single Boiler Set Up, continued

Low Water Temp

Navigation

•Starting at the “Quick Start” screen, use the Down arrow button to Highlight “Low Water

Temp”

•Press OK

•Using the arrows and OK button, adjust the set point. (see the bottom of page 5).

Max Outdoor Temp

Navigation

•Starting at the “Quick Start” screen, use the Down arrow button to Highlight “ Max

Outdoor Temp”

•Press OK and adjust the set point. (If needed, see the bottom of page 5).

Min Outdoor Temp

Navigation

•Starting at the “Quick Start” screen, use the Down arrow button to Highlight “ Min Outdoor

Temp”

•Press OK and adjust the set point. (If needed, see the bottom of page 5).

Warm Weather Shut Down

Navigation

•Home Screen, press “I” Info/Install button

•Scroll to “Advanced Set Up”, press OK

•Scroll to CH Configure, press OK

•Scroll to “Warm Weather Shutdown”, press OK

•Scroll to highlight “Warm Weather Shutdown Setpoint”, press OK

•Adjust setpoint, press OK. (If needed, see bottom of page 5)

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NEOTHERM Boilers and Water Heaters

Cascading multiple boilers

You can cascade up to eight NeoTherm boilers together. One boiler becomes the Master and

the other boilers become the Slaves.

Note: The system sensor and outdoor sensor will need to be wired to the Master boiler only.

The input from these sensors is used by the Master control to control the modulation rate of all

of the operating boilers it is connected to. If the Outdoor sensor is not used, the alarm light on

the SOLA control will be on, and the alarm contacts will close.

Lead Lag Set Point

Navigation

•Home screen, press “I” Info/Install button

•Scroll to “Advanced Set Up”, press OK

•Scroll down to highlight “Lead Lag Configure”, press OK

•“Lead Lag Master Configure” is highlighted, press OK

•Scroll down to “Setpoint”, press OK

•Adjust the setpoint, press OK (see bottom of page 5)

Lead Lag Outdoor Reset

Navigation

•Home screen, press “I” Info/Install button

•Scroll to “Advanced Set Up”, press OK

•Scroll down to highlight “Lead Lag Configure”, press OK

•Scroll Down to highlight “Lead Lag Outdoor Reset”, press OK

Note: The Outdoor Reset is already Enabled. You may choose to adjust the other set points

•Use the Down button to highlight each parameter you wish to change

•Press OK, change the desired set point, press OK.

•Use the Down button to choose your next set point, make adjustments, press OK

Warm Weather Shut Down

Navigation

•Home screen, press “I” Info/Install button

•Scroll to “Advanced Set Up”, press OK

•CH Configure, Press OK

•Use the Down button to highlight “Warm Weather Shutdown”, press OK

•Highlight Warm Weather Shutdown Setpoint”, press OK

•Adjust the set point, press OK

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LAARS Heating Systems

Cascading multiple boilers, continued

DHW set point using Lead Lag (Master Boiler)

Navigation

•Home screen, press “I” Info/Install button

•Scroll to highlight “Advanced Setup”, press OK

•Highlight “DHW Configure”, press OK

•DHW setpoint will be highlighted, press OK

•Adjust setpoint, Press OK

Enable the Master control function

The Master control should be enabled from the factory. Check to confirm this function is enabled.

Navigation

•Home screen, press “I” Info/Install button

•Scroll to “Advanced Set Up”, press OK

•Scroll to highlight “Lead Lag Configuration”, press OK

•“Lead Lag Master Configure” will be highlighted, press OK

•“Master enable” should be highlighted, press OK

•Confirm that this function is enabled. If not highlight “Enable”, then press OK

Enable the Slave function on the Master control

When cascading boilers, the Slave function must be turned on. The is done on all of the controls,

including the Master control.

Navigation

•Home screen, press “I” Info/Install button

•Scroll to “Advanced Set Up”, press OK

•Scroll down to highlight “Lead Lag Configure”, press OK

•Use the Down button to highlight “Lead Lag Slave Configure”, press OK.

•Press OK to “Enable” the Slave function

•Use the Down button to highlight “Enable via SOLA master”,press OK

Page 10

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