Detroit-radiant-products-company QTS Series Manuel d'utilisateur télécharger pdf (Page 19)

QTS Series

3.0 Installation • Venting • Unvented Operation

When using an unvented conﬁguration (commercial & industrial use only), consider the following:

• A factory supplied vent cap/diffuser (P/N: WVE-GALV) must be used.

• Where unvented heaters are used, natural or mechanical means must be provided to supply

adequate ventilation - a minimum of 4 cfm/1000 BTU/h (0.38 m

/kW) input of installed heaters.

NOTE: Gravity or mechanical means may be used to accomplish the air displacement. Local

codes may require that the mechanical exhaust system be interlocked with the electrical supply

line to the heaters, enabling both to function simultaneously.

• Exhaust openings for removing the ﬂue products must be located above the level of the

heater(s).

WARNING

Not for residential use.

The use of unvented radiant tube heaters in residential indoor

spaces may result in property damage, serious injury or death. Use unvented operation in

commercial and industrial installations with proper ventilation rates only.

Unvented Operation

Figure 3.10 • Minimum End Clearances

12 in.

Min.

to End

6 in.

Min.

to Back

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Detroit-radiant-products-company QTS Series Manuel d'utilisateur Page 19