thermador ph series wall hood Installation Manual
INSTALLATION INSTRUCTIONS
PH SERIES WALL HOOD
APPROVED FOR ALL RESIDENTIAL APPLIANCES
FOR RESIDENTIAL USE ONLY
PLEASE READ ENTIRE INSTRUCTIONS BEFORE PROCEEDING.
INSTALLATION MUST COMPLY WITH ALL LOCAL CODES.
IMPORTANT: Save these Instructions for the Local Electrical Inspector’s use.
INSTALLER: Please leave these Instructions with this unit for the owner.
OWNER: Please retain these instructions for future reference.
SAFETY WARNING
Turn off power circuit at service panel and lock out panel
before wiring this appliance.
REQUIREMENT: 120 V AC, 60 Hz. 20 A Branch Circuit
READ AND SAVE THESE INSTRUCTIONS
IMPORTANT SAFETY INSTRUCTIONS
C. Installation work and electrical wiring
SAFETY WARNING
Turn off power circuit at service panel and
lock out panel, before wiring this appliance.
must be done by qualified person(s) in
accordance with all applicable codes &
standards, including fire-rated
construction.
REQUIREMENT: 120 V AC, 60 Hz. 20 A
CAUTION
FOR GENERAL VENTILATING USE
ONLY.
HAZARDOUS OR EXPLOSIVE
MATERIALS OR VAPORS.
DO NOT USE TO EXHAUST
WARNING
TO REDUCE THE RISK OF FIRE,
ELECTRIC SHOCK, OR INJURY TO
PERSONS, OBSERVE THE
FOLLOWING:
A. Use this unit only in the manner
intended by the manufacturer. If you
have questions, contact the
manufacturer. (Thermador Customer
Service at 800/735-4328.
D. Sufficient make-up air is needed for
proper combustion and exhausting of
gases through the flue (chimney) of fuel
burning equipment to prevent backdrafting. Follow the heating equipment
manufacturers guideline and safety
standards such as those published by
the National Fire Protection Association
(NFPA), the American Society for
Heating, Refrigeration and Air
Conditioning Engineers (ASHRAE),
and the local code authorities.
E. Due to size and weight of this unit two
installers are recommended.
F. When cutting or drilling into wall or
ceiling, do not damage electrical wiring
and other hidden utilities.
G. To properly exhaust air, be sure to duct
air outside. Do not vent exhaust air into
spaces within walls, ceilings, attics,
crawl spaces, or garages.
B. Before servicing or cleaning the unit,
switch power off at service panel and
lock service panel. This will prevent
power from being switched on
accidentally. When the service panel
cannot be locked, securely fasten a
prominent warning device, such as a
tag, to the service panel.
CAUTION:
Vent Unit to the Outside.
WARNING
TO REDUCE THE RISK OF FIRE,
USE ONLY METAL DUCT WORK.
H. Install this hood in accordance with all
requirements specified.
Page 2
Parts Included with your Hood
Parts Not Included with your Hood
• Hood Canopy
• 12-Volt halogen bulbs, installed
• Care & Use /Installation Instructions
• Registration Card
• Filters (2, 3, or 4 depending on model and size)
• Metal Transition with Back draft damper installed
• Fasteners
• Remote Blower (“pigtail”) Adaptor
• Wooden Strip for Hood Support
• Wire Nuts
CONSIDERATIONS BEFORE INSTALLING HOOD
• Duct Tape
• 1/2" Conduit
• 2 175W PAR-38 Heat Lamps or
2 250W PAR-40 Heat Lamps
• Ventilator- The hood can be installed with
ventilator models VTN1000Q, VTR600R,
VTR1000Q, and VTR1400Q
• Optional duct cover, 6" DC**US or 12" DCT**US
height (available for purchase seperately)
** = width of hood
• Optional Remote Control (available for purchase
separately)
1. For the most efficient air flow exhaust, use a
straight run or as few elbows as possible.
CAUTION:
Vent unit to outside of building, only.
2. Do not use flex ducting.
3. COLD WEATHER installations should have an
additional backdraft damper installed to
minimize backward cold air flow and a
nonmetallic thermal break to minimize
conduction of outside temperatures as part of
the ductwork. The damper should be on the cold
air side of the thermal break. The break should
be as close as possible to where the ducting
enters the heated portion of the house.
4. Hood installation height above cooktop is the
users preference. The lower the hood above the
cooktop, the more efficient the capturing of
cooking odors, grease, and smoke. This hood
has been approved for installations as low as 24
inches* above the cooktop. The lower height
may be inconvenient for tall people and large
cooking vessels. Consequently, Thermador
recommends the hood be installed 30-to-36
inches above the countertop.
* For indoor grill installations, Thermador
recommends a minimum of 30" clearance and
remote blowers only (VTR1000Q or VTR 1400Q)
5. Remote blowers require a five wire installation.
6. Make-Up Air: Local building codes may require
the use of make-up air systems when using
ducted ventilation systems greater than specified
CFM of air movement. The specified CFM varies
from locale to locale. Consult your HVAC
professional for specific requirements in your
area.
7. Refer to Remote Control Installation Instructions
if applicable.
Page 3
Appliance Installation
The hood can be mounted on a wall or suspended
from a cabinet. Both vertical and horizontal
discharge are possible with either mounting method.
Discharge Direction: The hood is shipped ready for
vertical discharge. To change to horizontal discharge
move the discharge cover shown in Figure 1a to the
top of the hood. The plate is held in place by four
screws.
Assembly of the Transition: The supplied
transition mounts to the top or rear of the hood
depending on the discharge direction.
This opening is
covered for
horizontal
discharge
1. Align mounting holes at base of transition with
mounting holes on 1/2” flange located at the
top or rear of the hood depending on direction
of discharge.
2. Fasten transition to hood using two (2) #8
sheetmetal screws (included with hood).
3. Seal connection between transition and hood
with duct tape.
4. Remove tape holding damper closed.
See Figure 1b for overall hood dimensions.
Figure 1a: Discharge Direction
Dimension A
Model Number
PH30ZS
PH36ZS
PH42ZS
PH48ZS
PH54ZS
Figure 1b: Overall Dimensions
Dimension
30"
36"
42"
48"
54"
This opening is
covered for vertical
discharge.
A
18"
27"
Page 4
Height
Above
p
Cooktop
Centerline
Drywall
Wall
Studs
Screws
(2 EA.
#14 x 3")
Desired
Cooktop
Height
+ 15 1/2 "
To Cooktop
Surface
Note: Read Remote Control Installation
Instructions before continuing if using this
accessory.
Wall Mount Installation
The hood installation height is the user’s preference. Figure 2 shows a typical installation of the
hood with two duct covers. Accessory 6” and/or 12”
duct covers are used to fill the space between the
hood and ceiling.
The installation height shown in Figure 2 is 36
inches. One 6" duct cover has been used in this
installation. Add or subtract duct covers as
appropriate to accommodate ceiling height and
desired hood height. The duct cover structure is
supported by the hood.
1. After the hood installation height has been
determined, draw a horizontal line at a distance
above the cooktop equal to the desired hood
installation height plus 15.5”. This line is the
mounting location of the wooden bracket
shipped with the hood.
2. Find the centerline of the cooktop. Draw a
vertical line along this centerline up to the
horizontal line drawn in step 1.
3. The hood is mounted to the wall using a wooden
bracket shipped with the hood. Remove the
bracket from the hood by removing two shipping
screws. Mark the center line of the bracket.
4. Locate one stud on either side of the cooktop
centerline to use for mounting the wooden
bracket as shown in Figure 3.
5. Align the top of the wood bracket along the
horizontal line drawn in Step 1. Align the
centerlines of the bracket and cooktop.
6. Drill a 3” deep 1/8" tap hole through the wooden
bracket, drywall, and into the stud.
7. Use 2 or 3 (#14 x 3”) screws to attach the
bracket to the wall as shown in Figure 3. For
support of longer hoods, use three studs.
Countersink the heads to prevent interference
with the hood.
8. On the wood bracket mark the locations used to
hang the hood according to Figure 4 (next page).
9. Drill a 1/8" tap hole through the wooden bracket
and drywall. These (#8 x 5/8") screws do not
need to go into the studs.
10. Drill a 1/16" tap hole for the 2 (#8 x 5/8") screws
into the wood bracket leaving 1/4" of each screw
exposed for hanging the hood.
Figure 2
Cookto
Figure 3
Standard
8 ft Ceiling
(96")
6"
Duct Cover
24"
18"
Hood Height (36")
Standard
36" high
Range
Page 5
Drywall
Screws
(2 ea. #14 x 3")
Cooktop
Centerline
A measurement
11. Discharge Direction: Horizontal discharge
requires a wall cutout, as shown in Figure 5, to
provide clearance for the transition. The location
of the cutout is determined by the hood
installation height.
10-1/4"
Transition
Centerline
10-1/2"
Figure 6
MODEL A
PHH30ZS 13-1/16"
PH36ZS 16
PH42ZS 19
PH48ZS 22
PH54ZS 25
Figure 4
Dry Wall
12 1/2"
2-3/4"
-1
/16"
-1
/16"
-1
/16"
-1
/16"
23"
Cooktop
Centerline
Base of Hood
Location
The transition supplied with the hood connects to
standard 10-inch round duct. Figure 6 shows the
transition connected for horizontal discharge.
Transition Centerline
Figure 7
-13
5
Wall
/16"
10-1/4"
18"
Figure 7 shows the hood configured for vertical
discharge. Installations using this type of method
require a cutout in the ceiling to accomodate 10"
duct and the 1/2" conduit carrying power to the unit.
Figure 5
Note: Dashed line indicates cutout needed for
clearance of the transition.
Duct covers, sold separately, are available to cover
the space between the top of the hood and ceiling.
(See Page 4).
Page 6
12. Before hanging hood, install
transition per Fig. 6. Fasten
transition with 2 screws (#8 x
3/8 sheet metal, supplied)
and tape per code.
Note:
screws must not hinder
damper operation.
13. Rest the hood on the screws
in the wood bracket. Use the
keyholes labeled "I" in Figure
8. Make sure the wood
bracket fits into the recess
on the back of the hood.
14. Remove knockouts.
15. Tighten the screws in
keyholes. Check hood for
level and adjust if necessary.
J
I
I
16. From inside the hood drive
screws (#8 x 5/8”) through
holes in hood into wooden
bracket. See holes labeled J
in Figure 8.
17. Connect additional ducting.
Assembly and Installation of the Duct Covers
Optional duct covers shown in
Figure 9 may be used to fill the
space between the hood and
ceiling in wall mount installations.
6" and 12" high duct covers are
available and may be ordered
separately.
1. If multiple duct covers are
used, connect the pieces
together using sheetmetal
screws provided with duct
covers.
2. Attach the duct cover(s) to
the hood using sheetmetal
screws as shown in Figure 9.
3. From inside of hood, insert
screws supplied (#8 x 5/8")
through holes L, one on each
side and four along the front,
into bottom of the cabinet.
Figure 8
Installation Note: If wall studs are within 8" of the center line, cut stud
at an angle to avoid any interference.
L
L
#8 x 3/8”
Screw
(numbers
depend on
hood size)
L
Figure 9
Page 7
The hood can be installed under
a cabinet by supporting the
hood from the top.
Note: The cabinet must be
structurally joined to the wall
studs to support the weight
of this hood.
Figure 10 shows the four screw
holes (K) used for mounting the
hood to the bottom of the
cabinet.
Make sure both knockouts have
been removed.
Cabinet Installation
K
{
"
16
L
L
-1
7
1-9/16"
/
A: Tap Hole Locations
23"
L
K
1. In the base of the cabinet
drill 1/8" tap holes (See
dimension A in Figure 10
and in Table). Screw in four
#10 x 1" screws (provided
with hood) leaving 1/4"
exposed).
2. If the hood is installed for
vertical discharge, use
Figure 11 to create
clearance holes for passage
of the transition and conduit
(See dimension B in Figure
11 and in Table).
3. For horizontal discharge use
Figure 5 for the geometry of
the cutout required for
clearance of the transition.
4. Hang hood from screws and
tighten securely.
5. From inside of hood, insert
screws supplied. Drill
through holes (use #8 x 5/
8" screws supplied), one on
each side and four along the
front, into bottom of the
cabinet. See screws holes
labelled "L" in Figure 10.
Note: This figure depicts tap hole and
screw hole locations only. See Figue 1b,
page 4 for overall hood dimensions.
Figure 10: Tap Hole and Screw Hole Locations
Centerline Hole Dimensions for Figures 10 and 11
Model A (Fig 10) B (Fig 11)
Tap Holes Conduit Hole
PH30ZS 29-1/16"13
PH36ZS 35-1/16"16
PH42ZS 41-1/16"19
PH48ZS 47-1/16"22
PH54ZS 53-1/16"25
1 -1/8"
Wall
23"
Cooktop
Centerline
3 -3/16"
Plan View of Cabinet Cutout
Note: This figure depicts transition and conduit locations only. See Figure 1b,
page 4 for overall hood dimensions.
-7
/16"
7
/16"
-7
/16"
-7
/16"
-7
/16"
B
7 7/8"
2 -3/8"
1- 7/8"
2 3/8"
5/8" DIA clearance
holes for 1/2" conduit
to j-box.
Figure 11: Transition and Conduit Locations
Page 8
Installing an Integral Blower VTN1000Q
The hood can be installed with a VTN1000Q
blower.
Blower preparation
Shipping brackets
Wire tie
Capacitor
Blower Front View
Figure 12a
1. Remove left and right shipping brackets
and discard.
2. Cut wire tie shown in Figure 12a. Locate the
wire harness with the Molex 6-pin connector.
Route wire harness out rear of blower, as shown
in figure 12 b. below.
3. Re-attach wire harnesses to capacitor with new
wire tie (supplied) in same location in front.
Install blower in hood:
1. The blower is attached to the hood using weld
studs provided on the mounting plate.
2. Figure 12c shows the weld studs in location B
for horizontal (rear) discharge. Attach four #1024 nuts to the weld studs. For vertical
discharge, attach nuts to studs at the top of the
mounting plate.
Figure 12c
Add wire tie
here
Wire
Harness
Blower Rear View
Figure 12b
4. Attach wire harness with Molex 6-pin connector
to housing as shown in Figure 12b with wire tie
(supplied).
3. Guide the motor mounting plate over the nuts
and tighten to secure the blower to the hood.
4. Attach two additional screws as shown in
Figure 12d.
Figure 12d
CAUTION:
Verify that the two additional screws in
Figure 12d are installed and properly
tightened before continuing.
Page 9
Wire Routing Instruction
Figure 12e
Vertical Discharge
Route wires here
Wire cover
Horizontal Discharge
Route wires here
Figure 12g
Wire cover
Figure 12f
Install wire cover per Figure 12F. The 30"-wide
model does not need a wire cover.
Figure 12h
Install wire cover per Figure 12H. The 30"-wide
model does not need a wire cover.
Page 10
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