PLANNING
GUIDE
All specications subject to change without notice. www.dacor.com Ph. 800.793.0093
WARNING
• Observe all governing codes and ordinances during planning/
installation.
• Contact the local building department for details. This cooktop must
be installed as specified in its installation instructions.
Heritage
®
30”, 36” Dual Cooktop
Doc #: PGH-HDCT3036.01 Revised 29 Jan 2019 Page 1 of 5
All tolerances: ±¹/₁₆” (±1.6 mm) unless otherwise stated.
HDCT304, HDCT365
HDCT304
13/16”
(2.1 cm)
3 3/4”
(9.5 cm)
Gas inlet
Power cord
Chassis
Front of cooktop
Top panel overhang
2 1/8”
(5.4 cm)
5/8”
(1.6 cm)
HDCT304
Power Cord and Gas-Inlet Location
PLANNING
GUIDE
All specications subject to change without notice. www.dacor.com Ph. 800.793.0093
Heritage
®
30”, 36” Dual Cooktop
Page 2 of 5
All tolerances: ±¹/₁₆” (±1.6 mm) unless otherwise stated.
HDCT304, HDCT365
HDCT365
1”
(2.5 cm)
1”
(2.5 cm)
1 3/8”
(3.5 cm)
Gas inlet
Power cord in
Chassis
Front of cooktop
Top panel overhang
2 1/4”
(5.7 cm)
HDCT365
Power Cord and Gas Inlet Location
PLANNING
GUIDE
All specications subject to change without notice. www.dacor.com Ph. 800.793.0093
Electrical Requirements
WARNING
To prevent electric shock, the power supply must meet the given
specifications. The owner shall ensure that the electrical service meets
requirements and that the power outlet is properly installed by a
licensed electrician.
• The cooktop has a 40-in.power cord with 3-prong grounding plug on
the chassis’ bottom right-rear corner.
• The cooktop must be connected to a dedicated, grounded 3-prong
electrical outlet installed by a licensed electrician.
• The electrical installation, including supply-wire size and grounding,
must be done according to National Electric Code ANSI/NFPA 70* and
local codes and ordinances. A copy of this standard is available from:
National Fire Protection Association
1 Batterymarch Park
Quincy, MA 02269-9101
• The correct voltage, frequency, and amperage must be supplied to the
electrical outlet according to the data label (see previous graphic).
• See the Gas/Electrical Requirements table (this page).
• Choose an easily accessible electrical outlet so the cooktop can be
unplugged for service/maintenance.
Gas-Supply Requirements
• Ensure the cooktop is correct for the gas (natural or liquid propane)
provided. If using the cooktop above 4000 ft. (1219 m) elevation,
ensure it is equipped for high-elevation operation.
• Units equipped for liquid propane have “LP” in the model number on
the product data label (previous graphic).
• Units equipped for high-elevation use have an “H” at the end of the
model number on the product data label.
• Install the cooktop according to local building codes; if none exist,
install the appliance according to the National Fuel Gas Code ANSI
Z223.1/NFPA 54.
• An external manual shut-off valve must be installed between the gas
inlet and cooktop so gas to the appliance can be turned on/off.
• The cooktop comes with its own regulator, which must be installed in
the gas line from the cooktop gas inlet to the gas shut-off valve. Use
only the regulator provided.
• The cooktop has a ¾-in. regulator approved for connection to a ½-in.
house gas supply.
• The cooktop gas connection is on the chassis bottom in the right-rear
corner (previous graphic).
Gas and Electrical Requirements*
Data Type*
HDCT304/NG,
HDCT365/NG
HDCT304/LP,
HDCT365/LP
Gas type Natural Gas LP Gas
Manifold pressure 5” water column 10” water column
Min. gas-supply pressure** 6” water column 11” water column
Max. gas-supply pressure ½ psi
Total connected load 0.25 Amp. (0.03 kW)
Circuit requirement 120 Vac, 60 Hz, 15 Amp
*This data is for reference only. If it does not agree with the product data label,
use the data on the product data label; **the gas-supply pressure for testing
the regulator setting shall be at least 1” water column (249 Pa) above the
specified manifold pressure.
Heritage
®
30”, 36” Dual Cooktop
Page 3 of 5
All tolerances: ±¹/₁₆” (±1.6 mm) unless otherwise stated.
HDCT304, HDCT365
HDCT304
HDCT365
PLANNING
GUIDE
All specications subject to change without notice. www.dacor.com Ph. 800.793.0093
Cabinet and Countertop Layout
WARNING
• To reduce risk of personal injury from reaching over a hot cooktop,
avoid cabinet storage over the cooktop.
• Failure to meet or exceed the maximum and minimum dimensions/
clearances as instructed may cause a fire hazard.
• Follow the countertop manufacturer’s instructions regarding all
aspects of countertop installation.
• Carefully check the cooktop installation site. Situate the
cooktop away from drafts and wet areas.
• Use the cooktop with a suitable vent hood or approved Dacor
downdraft.
Downdraft Compatibility
If installing the cooktop with a downdraft, use only the approved
Dacor model numbers MRV3015 or MRV3615. (See Pg. 5.)
Heritage
®
30”, 36” Dual Cooktop
Page 4 of 5
All tolerances: ±¹/₁₆” (±1.6 mm) unless otherwise stated.
HDCT304, HDCT365
Callout Description
1 Measured from top of cooktop grate
2
If installing with an overhead vent hood, also check hood
specifications for minimum required clearances.
3
Not applicable for cabinets more than a horizontal distance
of 6” (15.2 cm) from edge of cooktop.
Model (A) Minimum (A) Maximum
HPCT304G 30” (76.2 cm) 36” (91.4 cm)
HPCT365G 36” (91.4 cm) 42” (106.7 cm)
13" max.
(33.0 cm)
3
Not required if side cabinets are 6 inches more than the left or right of both edges
of the cooktop. For DYGCT304, it is 5 1/2 inches (14.0 cm)
for DYGCT365. Allow 7 1/2” (19.1 cm) from cutout edge for RGC304,
7” (17.8 cm) for DYGCT365.
A
15" min.
1
(38.1 cm)
1 7/8" min.
(4.8 cm)
Combustible
surface to rear
Combustible overhead
cabinets
30" min.
1, 2
(76.2 cm)
See Note 3
See cutout
dimensions
2
If installing with an overhead vent hood, check the hood
installation instructions for specifications for minimum required clearances.
1
Measured from the cooking surface (top of cooktop grate).
1/4” (6 mm)
min. height clearance
to combustible
surfaces
B
Underneath Cabinet Dimensions
Model (B) Minimum for clearance of hold-down brackets
HDCT304 29 in (73.7 cm)
HDCT365 35 1/4 in (89.5 cm)
Installation must allow:
• At least ” (6 mm) clearance between the bottom of the
cooktop chassis and all combustible surfaces, including the
edges and corners of drawers under the cooktop.
• Clearance for hold-down brackets
• The gas supply piping, gas shut-off valve, and electrical outlet
must not interfere with the installed cooktop.
• If installing an appliance below the cooktop, allow for routing of
utilities behind it.
• Access to the gas shut-off valve and regulator without moving
the cooktop.
• The 40” (101.6 cm) power cord to reach an electrical outlet, and
outlet to be accessable without moving the cooktop.
• Access to the cooktop bottom for service/maintenance (Do not
install fixed shelving below the cooktop).
Model Approved Downdraft Models
HDCT304 MRV3015S
HDCT365 MRV3615S
PLANNING
GUIDE
All specications subject to change without notice. www.dacor.com Ph. 800.793.0093
4 1/4" (10.8 cm) min.
from mounting surface to
combustibles below
cooktop chassis
E
F
C
D
Min. distance to combustible side
wall above countertop (both sides)
F
Vertical
combustible
surface
Rear
wall
1 7/8" min.
(4.8 cm)
Heritage
®
30”, 36” Dual Cooktop
Page 5 of 5
All tolerances: ±¹/₁₆” (±1.6 mm) unless otherwise stated.
HDCT304, HDCT365
CUTOUT TYPE AND DIMENSIONS
Installation Type (C) Minimum (D) (E) (F)
HDCT304 (no downdraft) 2 ” (7.3 cm) 19 ” (50.2 cm)
27 ” (70.1 cm) 7 ½” (19.1 cm)
HDCT304 (with MRV3015S) ” (1.0 cm) 22 ” (57.2 cm)
HDCT365 (no downdraft) 2 ” (7.3 cm) 19 ” (50.2 cm)
33 ” (85.7 cm) 7” (17.8 cm)
HDCT365 (with MRV3615S) ” (1.0 cm) 22 ” (57.2 cm)
Countertop Cutout View
Cooktop with Downdraft: MRV Series
HPCT Gas Cooktop
Stiffener
Cabinet face
Countertop
Floor
3/8” min. (1.0 cm) space
behind downdraft
to clear stiffener
23 3/8” (59.4 cm)
3/8” min. (1.0 cm)
required for downdraft
cap clearance
ERV or PRV Series
Downdraft: check
downdraft specifications
to determine correct fit
DYCT Gas Cooktop
MRVxx15S series
downdraft: Check downdraft
specifications to determine
correct fit
HDCT Gas Cooktop
3/8” (1.0 cm) min. space
behind downdraft
to clear stiffener
Cabinet face
Countertop
Stiffener
23 3/8” (59.4 cm)
3/8” (1.0 cm)
needed for downdraft
cap clearance
Floor
HDCT Gas Cooktop
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