Laars NEOTHERM NTH Series Manual Download | Manualshive

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Page 16

LAARS Heating Systems

Combustion Setup Procedure

1. Starting from the Home Screen press the

controller icon.

2. From the Status Summary Screen, press the

“Diagnostics”

button.

3. Press the

“Diagnostics Test”

button.

4. Make sure you are logged in and the padlock symbol

is unlocked. See page 7 for login.

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Summary of Contents for NEOTHERM NTH Series

Page 1: ...DLE PULL TO OPEN RELEASE BOTH LATCHES TO OPEN DOOR LATCHES 2 SCREWS ON OFF SWITCH THE TOUCH SCREEN ON OUTDOOR UNIT IS LOCATED BEHIND FRONT PANEL Outdoor Indoor Modulating Boilers and Volume Water Heat...

Page 2: ...ng Up Outdoor Reset 5 Warm Weather Shutdown 6 Domestic Hot Water Configuration 6 Log in 7 Lead Lag Set Up 7 8 Lead Lag Master Configuration 9 11 Lead Lag Slave Configuration 11 14 Setting The Date And...

Page 3: ...gle Boiler Setup 1 Starting from the Home Screen press the controller icon 2 From the Status Summary Screen press the Configure button Adjusting Central Heat Set point for CH demand 3 Press CH Central...

Page 4: ...right had arrow on the screen to get to the set point screen 8 Press the back arrow button on the top right corner of the screen to return to the Configuration Menu 7 A smaller box will appear Use th...

Page 5: ...uration 2 Confirm that Central Heat is Enabled 3 Next adjust the Maximum Outdoor Temperature Minimum Outdoor Temperature and Low Water Temperature by pressing each set point box 4 After configuring th...

Page 6: ...the shutdown 3 After adjusting the shutdown set point then press OK 4 Press the back arrow on the top right corner of the screen to return to the Configuration Menu Domestic Hot Water Configuration Sk...

Page 7: ...or sensor and cascade wiring When a boiler is operating as part of a Lead Lag system it does not use the normal CH set point it uses the Lead Lag CH set point on the Master control It is STRONGLY reco...

Page 8: ...Status Summary Screen press the Configure button 3 Use the slide bar on the right side of the screen to scroll down to Lead Lag Master Configuration Press Lead Lag Master Configuration Setting up the...

Page 9: ...ngs 8 From this screen use the Left or Right arrows to scroll to other screens Make adjustments if needed 9 If you are using Outdoor Reset for Lead Lag adjust the Maximum Outdoor Temp Minimum Outdoor...

Page 10: ...the number of boilers in the cascade system See chart for values Note In the Lead Lag Slave Sub Menu Identify each control including the Lead Lag Master as a slave by turning on Slave Enable 12 From...

Page 11: ...The Lead boiler Master control is now configured Slave boilers Lead Lag configuration Complete the Slave Configuration on Each boiler in the system You will need to Log In on each slave boiler See pa...

Page 12: ...oTherm 3 etc Note Depending on the screen configuration you may need to use the slide bar on the right side of the screen to scroll down to the Modbus address lines Modbus Address All of the boilers w...

Page 13: ...keeping them in sequential order 5 Next press the back arrow on the top right corner of the screen This will return you to the Configure Menu 6 You will need to confirm the master configuration functi...

Page 14: ...e the slide bar on the right side of the screen to scroll down and Choose Lead Lag Slave Configuration Slide Bar 10 Press Disabled 11 A smaller box will appear on the screen Choose Enable Slave for bu...

Page 15: ...Water Heaters Setting the Date and Time 1 From the Home screen press the Setup button 2 Press the Display Setup button 3 Press the Set Date Time button 4 Use the arrows on the screen to change the Da...

Page 16: ...edure 1 Starting from the Home Screen press the controller icon 2 From the Status Summary Screen press the Diagnostics button 3 Press the Diagnostics Test button 4 Make sure you are logged in and the...

Page 17: ...p to 5 minutes Test timer 9 After completing the High Fire testing press Stop Test 10 Press Minimum Modulation 11 Press Start Test You will have 5 minutes to check and adjust Low fire CO2 12 Repeat st...

Page 18: ...Central Heat Configuration 2 From the Central Heat screen use the arrows on the screen to advance to the Setpoint screen 3 From the Setpoint screen press Local If you are prompted to log in press OK...

Page 19: ..._______ _______________________________________ _______________________________________ _______________________________________ _______________________________________ ________________________________...

Page 20: ..._______________________________________ _______________________________________ _______________________________________ _______________________________________ _______________________________________...

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