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Page 5

NeoTherm Boilers and Water Heaters

SHUTTING DOWN THE NEOTHERM

it may sometimes be necessary to shut down the neotherm. here are the steps required to 

do this:
1.  switch off the main electrical disconnect switch.
2.  open the front cover and close the main manual gas valve.
3.  if freezing is anticipated, drain the neotherm.  (also be sure to protect the piping in 

the building from freezing.)

The steps listed above may require qualified service personnel.

RESTARTING THE NEOTHERM

it may be necessary to restart the neotherm – for example, after a power interruption.  

here are the steps required to do this:
1  reset any errors using the user interface.  see the section on “about Lockouts, holds, 

and alerts.”

2  turn up the thermostat to call for heat.
3.  in approximately 2 seconds, the blower will operate.  ignition should occur after 35-40 

seconds. it may take as long as 2-1/2 minutes.

4.  if ignition does not occur, wait 5 minutes and then repeat steps 1 through 3.
5.  if, after three attempts, the unit still does not light, shut down the boiler and call your 

service technician.

if the unit has been drained, follow these steps:

1.  See the “Installation and Operation Manual” for instructions on filling and purging the 

unit.

2.  remove the front door. turn on the gas shutoff valve.
3.  switch on the main electrical disconnect switch. the pump and blower will start, and 

the igniter will be energized.  after 35 seconds the gas valve will be energized, and 

ignition will occur. if ignition does not occur within 2-1/2 minutes switch “off” the 

main disconnect switch, wait 5 minutes and switch it “on” again. if after three attempts 

ignition does not occur, shut down the unit and call for service.

IN THE EVENT OF POWER FAILURE

the neotherm will not operate during an electrical power outage. if there is an extended 

power outage with danger of freezing, then the neotherm (and all other water systems) 

should be completely drained.   Before draining the unit, turn off the gas and turn off the 

main power switch. When you replace the unit in service, refer to the “installation and 

Operation Manual” for instructions on filling and purging.

Содержание NEOTHERM NTH

Страница 1: ...oxide gas in flue gases which could cause serious injury property damage or death Improper installation and or operation will void the warranty AVERTISSEMENT Assurez vous de bien suivres les instructi...

Страница 2: ...LAARS Heating Systems...

Страница 3: ...Restarting the NeoTherm 5 In the Event of Power Failure 5 THE USER INTERFACE AND ON OFF SWITCH 6 About Lockouts Holds and Alerts 10 Care Inspection and Service 11 Shown without jacket Internal compone...

Страница 4: ...s supplier call the fire department POUR VOTRE S CURIT LISEZ AVANT DE METTRE EN MARCHE AVERTISSEMENT Quiconque ne respecte pas la lettre les instructions dans la pr sente notice risque un d but d ince...

Страница 5: ...y information listed above If you don t smell gas go to the next step 8 Slowly turn the manual gas valve to ON The handle on the valve will be parallel to the gas pipe 9 Replace the front panel 10 Tur...

Страница 6: ...a prochaine tape 8 Remettez lentement la soupape d arr t de gaz en position ON La poign e sera parall le au tuyau de gaz 9 Replacez le couvercle avant 10 R tablissez l alimentation lectrique l apparei...

Страница 7: ...h 3 5 If after three attempts the unit still does not light shut down the boiler and call your service technician If the unit has been drained follow these steps 1 See the Installation and Operation M...

Страница 8: ...e HMI is used to send commands to the boiler controller and to display operating and setup information sent from the boiler controller The drawing below shows the main parts of the user interface HMI...

Страница 9: ...reen Button Home Screen The Home Screen has three sections The upper section of this screen shows the most important operating information In this example the display is showing the system setpoint th...

Страница 10: ...k or change the most common settings on the unit Login If you want to change a setup value or function and the system requires a password you can enter it here Test These parameters let you turn the b...

Страница 11: ...e the most common settings used in a typical installation Quick Start Menu Example Changing the CH Central Heat Setpoint Changing the CH Setpoint On the Quick Start menu use the Up and Down Arrows to...

Страница 12: ...period of time before locking out This allows the controller to see if the error becomes resolved prior to the hard lockout An alert indicates that some feature of the control system s operation was n...

Страница 13: ...structions in the Installation and Operating Instructions Manual for the Laars NeoTherm Caution Do not use this boiler if any part has been under water Immediately call a qualified service technician...

Страница 14: ...mer Service Service Advisors 20 Industrial Way Rochester NH 03867 603 335 6300 Fax 603 335 3355 Applications Engineering 1869 Sismet Road Mississauga Ontario Canada L4W 1W8 905 238 0100 Fax 905 366 01...

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