Step 1: Ventilation Requirements - Thermador PD304 Installation Instructions Manual

Step 1: Ventilation Requirements

It is strongly recommended that
a suitable exhaust hood be in-
stalled above the
Downdraft ventilation should not
be used. The table below indi-
cates the Thermador hoods, by
model number, that are recom-
mended for use with all ranges.
1. Select Hood and
Blower Models:
• For wall installations, the hood
width must, at a minimum, equal
the width of the range cooking
surface. Where space permits, a
hood larger in width than the
cooking surface may be desir-
able for improved ventilation per-
formance.
• For island installations, the hood
width should, at a minimum, over-
hang the range cooking surface
by 6" on both sides.
RANGE WIDTH
30" RANGE
36" RANGE
48" RANGE
* For wall installations where adequate space is available, the installer or user may elect to
Notes:
use a hood that is wider than the range cooking surface. This may be particularly
beneficial for those cases, such as a long duct run or heavy usage of the grill, in which
improved capturing of the cooking exhaust is desired.
** Thermador offers a choice of remote (VTR1000Q or VTR1400Q) or in-hood (VTN1000Q)
blowers for use in wall installations.
CAUTION:
Ventilation hoods and blowers are
range.
designed for use with single wall
ducting. However, some local
building codes or inspectors may
require double wall ducting. Con-
sult local building codes and/or
local agencies, before starting, to
assure that hood and duct instal-
lation will meet local require-
ments.
• Hood blower speeds should be
variable to reduce noise and loss
of heated or air conditioned
household air when maximum
ventilation is not required. Nor-
mally, the maximum blower speed
is only required when using the
grill.
WALL INSTALLATION
HOOD*
PH30ZS
PHE30,36
OR VTN 1000Q
PH36ZS, 42ZS
VTR1000Q, VTR1400Q
PHE36,42
or VTN 1000Q
HNW36YS VTR1000Q, VTR1400Q
HNW42 YS
VTR1000Q, VTR1400Q
PH48ZS
PHE48,60
or VTN 1000Q
BLOWER**
VTR1000Q, HTNI42YS
VTR1400Q HNI42YS
PHI48ZS
HTNI42YS
HTNI48YS
VTR1000Q
HNI48YS
VTR1400Q
HTNI54YS
HNI54YS
PHI60ZS
Page 4
2. Hood Placement:
• For best smoke elimination, the
lower edge of the hood should be
installed a minimum of 30" to a
maximum of 36" above the range
cooking surface. (See Fig. 1).
• If the hood contains any com-
bustible materials (i.e. a wood
covering), it must be a minimum
of 36" above the cooking surface.
3. Consider Make-Up Air:
• Due to the high volume of ven-
tilation air, a source of outside
replacement air is recommended.
This is particularly important for
tightly sealed and insulated
homes.
• A qualified heating and ventilat-
ing contractor should be con-
sulted.
ISLAND INSTALLATION
HOOD BLOWER
VTR1000Q,
VTR1400Q
VTR1000Q
HNI42YS VTR1400Q
PHI48ZS VTR1000Q
VTR1400Q
VTR1400Q