Laars Mini-Therm II JVT (Sizes 50-225) - Install and Ope User Manual download pdf (Page 23)

Mini-Therm II Hydronic Boiler

Page 23

Caution

Should overheating occur or the gas supply fail to

shut off, do not turn off or disconnect the electrical

supply to the pump. Instead, shut off the gas supply

at a location external to the appliance.

Attention

En cas de surchauffe ou si l’admission de gaz ne

peut être coupée, ne pas couper ni débrancher

l’alimentation électrique de la pompe. Fermer plutôt

le robinet d’admission de gaz à l’extérieur de

l’appareil.

Caution

Do not attempt repairs on the gas controls or

appliance. Tampering is dangerous and voids all

warranties.

Attention

Ne tentez pas d’effectuer des réparations au

système de régulation du débit du gaz ou à

l’appareil. Toute modification non autorisée est

dangereuse et entraîne l’annulation de toutes les

garanties.

Caution

Keep all objects off the top of the boiler. Blocking air

flow could damage the heater, and may void the

warranty.

Attention

Ne posez aucun objet sur le dessus de l’appareil. Il

pourrait empêcher la circulation de l’air, ce qui

risquerait d’endommager, l’appareil et d’annuler la

garantie.

7.3 Lighting and Shutdown Procedures

WARNING

Do not attempt to light the boiler with the burner

cover off. Doing so may cause severe bodily injury.

AVERTISSEMENT

Ne tentez pas d’allumer l’appareil sans que la soit

en place. Vous pourriez être victime de blessures

corporelles graves.

Before starting your boiler, be sure that all of the

functions and limits of the JVS and JVT boilers have

been set according to the previous section of this

manual (Section 7.2). Follow the instructions outlined

below. Read and follow all safety instructions first. A

more detailed set of lighting and shutdown

instructions are listed on the label located on the

boiler.

NOTE: If your boiler is configured to operate on LP

gas and the LP tank runs out of fuel, turn off gas at

the boiler. After the tank is refilled, the boiler must

be relit following the instructions found on the boiler.

DO NOT attempt repairs on the gas control or

heater. Tampering is dangerous and voids all

warranties.

WARNING

If the information in these instructions are not

followed exactly, a fire or explosion may result

causing property damage, personal injury or death.

AVERTISSEMENT

Assurez-vous de bien suivre 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.

7.3.1 Lighting the Boiler

Lighting instructions are as follows:

1. Verify that the pump system is operating

properly:

a. Shut off the manual gas valve located

outside the boiler.

b. Raise the wall thermostat high enough to

call for heat.

c. The pump should come on immediately. If

it doesn't, test the electrical circuits.

2. Pilot Information:

a. The JVS boilers do not require manual

lighting. The pilot is controlled by the

automatic ignition system.

b. The JVT boilers do require manual pilot

lighting. For access to the pilot burner,

remove the louvered airbox cover by

loosening the two thumb screws.

c. Different models of the JV boiler utilize

various gas valves. Although the gas valves

may have different control knobs, they are

all similar in operation. The JVS gas valve

has a two-position knob, ON and OFF. The

JVT valve has a three-position knob, ON,

OFF and PILOT, some models come with

extra push-button (see Figure 12).

Figure 12. Gas Valves.

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Laars Mini-Therm II JVT (Sizes 50-225) - Install and Ope User Manual Page 23

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