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Laars
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NTH
User Manual

Laars NTH User Manual

Other manuals for NTH: Installation And Operation Instructions Manual, Installation And Operation Instructions Manual

Manual is about: Modulating Boilers

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User’s Manual

Document 1331

WARNING

If the information in this manual is not

followed exactly, a fire or explosion may

result causing property damage, personal

injury or loss of life.

Do not store or use gasoline or other

flammable vapors and liquids in the vicinity

of this or any other appliance.

WHAT TO DO IF YOU SMELL GAS

• Do not try to light any appliance.

• Do not touch any electrical switch; do not

use any phone in your building.

• Immediately call your gas supplier from a

nearby phone. Follow the gas supplier’s

instructions.

• If you cannot reach your gas supplier, call

the fire department.

Installation and service must be performed

by a qualified installer, service agency, or gas

supplier.

FOR YOUR SAFETY: This product must be installed and serviced by a professional service technician,

qualified in hot water boiler and heater installation and maintenance. Improper installation and/or operation

could create carbon monoxide 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 instructions

données dans cette notice pour réduire au

minimum le risque d’incendie ou d’explosion ou

pour éviter tout dommage matériel, toute blessure

ou la mort.

Ne pas entreposer ni utiliser d’essence ni

d’autres vapeurs ou liquides inflammables dans

le voisinage de cet appareil ou de tout autre

appareil.

QUE FAIRE SI VOUS SENTEZ UNE ODEUR DE GAZ:

• Ne pas tenter d’allumer d’appareils.

• Ne touchez à aucun interrupteur. Ne pas vous

servir des téléphones dansle bâtiment où vous

vous trouvez.

• Appelez immédiatement votre fournisseur de

gaz depuis un voisin. Suivez les instructions

du fournisseur.

• Si vous ne pouvez rejoindre le fournisseur de

gaz, appelez le sservice des incendies.

L’installation et l’entretien doivent être assurés par

un installateur ou un service d’entretien qualifié ou

par le fournisseur de gaz.

User’s Manual for

HERM

with the Touchscreen Display

Modulating Boiler

Model NTH

Sizes 285–850 MBTU/h

Water Heater

Model NTV

Sizes 150-850 MBTU/h

H2374200-

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Summary of NTH

Page 1
User’s manual document 1331 warning if the information in this manual is not followed exactly, a fire or explosion may result causing property damage, personal injury or loss of life. Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance. W...
Page 2: Herm
Page 1 neotherm boilers and water heaters contents familiarizing yourself to the laars neotherm ...................1 for your safety, please read this before operating .................2 what to do if you smell gas .............................................2 pour votre sÉcuritÉ, lisez avant de me...
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Page 2 laars heating systems for your safety - please read this before operating warning if you do not follow these instructions exactly, a fire or explosion may result, causing property damage, personal injury or loss of life. A. This unit does not have a pilot. It is equipped with an ignition devi...
Page 4
Page 3 neotherm boilers and water heaters lighting the unit 1. Stop! Read the safety information listed above. 2. Set the thermostat to the lowest setting. 3. Turn off all electric power to the unit. 4 this unit is equipped with an ignition device which automatically lights the burner. Do not try to...
Page 5
Page 4 laars heating systems instructions de mise en marche 1. ArrÊtez ! Lisez les instructions de sécurité sur la portion supérieure. 2. Réglez le thermostat à la temperature la plus basse. 3. Coupez l’alimentation électrique de l’appareil. 4. Cet appareil est dote d’un dispositif d’allumage qui al...
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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 an...
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Page 6 laars heating systems page 34 laars heating systems figure 32. Neotherm with touch screen touch screen section 8 navigating the touch screen 8.1 the touch screen the touch screen is located front and center on the neotherm and allows you to navigate into all of the functionality and control t...
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Page 7 neotherm boilers and water heaters display this area displays several different kinds of information, including current operating information, setup parameters, and messages from the system. Page 35 n eo t herm boilers and water heaters screen menu icons there are several icons at the top of ...
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Page 8 laars heating systems page 36 laars heating systems surface of the screen.) each time you press a key, the system will respond with a beep. If you are entering a password, an asterisk (*) will appear for each character you enter. The beeps and asterisks will help you enter the correct number ...
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Page 9 neotherm boilers and water heaters page 37 n eo t herm boilers and water heaters menu 7. Safety parameter conﬁ rmation 5. For each group, check the list carefully. Press yes if all of the parameters in the group have been entered correctly. For each group, you are given 30 seconds to select y...
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Page 10 laars heating systems page 38 laars heating systems 8.5 conﬁ guring parameters in this section, we will give you a quick explanation of how to change parameters on the controller. 1. From the home page screen (menu 11), press the icon for the controller. Menu 11. Home page screen 2. The stat...
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Page 11 neotherm boilers and water heaters page 39 n eo t herm boilers and water heaters 8.6 setting the date and time on the system display the display includes an internal clock, which keeps track of the date and time. This setting is important, because log entries for lockouts and alerts include ...
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Page 12 laars heating systems page 40 laars heating systems 8.7 conﬁ guration sub-menus (all) menu 18. Home screen to navigate to the conﬁ guration menu screen, ﬁ rst touch the controller icon on the home screen to access the status summary screen, menu 19. Status summary screen from the status summ...
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Page 13 neotherm boilers and water heaters page 41 n eo t herm boilers and water heaters 8.7.4 dhw - domestic hot water conﬁ guration dhw - domestic hot water is used to conﬁ gure the dhw temperature parameters for water heaters (ntv) and for indirect water heaters that are used with boiler (nth) sy...
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Page 14 laars heating systems page 42 laars heating systems the system pump connections are located on terminal block 5 (tb5) in the control panel. The system pump contacts are rated for 120vac, 7.4 amps. To use the contacts, power must be supplied on one terminal with the other terminal wired to th...
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Page 15 neotherm boilers and water heaters h2374200- customer service and product support: 800.900.9276 • fax 800.559.1583 headquarters: 20 industrial way, rochester, nh 03867 • 603.335.6300 • fax 603.335.3355 1869 sismet road, mississauga, ontario, canada l4w 1w8 • 905.238.0100 • fax 905.366.0130 w...