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5. Installation Instructions
WARNING! Risk of Fire! Remove ONLY the knockouts
required for the specific heat management kits being
installed.
Appliance and combustible materials will
overheat.
CAUTION! Risk of Cuts, Abrasions or Flying Debris.
Wear protective gloves and safety glasses during
installation. Sheet metal edges are sharp.
PHFR-MCE-36 and PHFR-MCE-48 kits must be
installed on the two inside passive heat knockouts. Outer
knockouts may be used for additional heat management
systems (HEAT-OUT-GAS, HEAT-ZONE-GAS). Do not
remove the outer knockouts if unused.
PHFR-MCE-60 and PHFR-MCE-72 kits must be installed
on all four passive heat knockouts unless a HEAT-OUT-
GAS or HEAT-ZONE-GAS will be installed.
One additional heat management system may be used
in conjunction with the Ducted Passive Heat kit. If an
additional heat management system (HEAT-OUT-GAS,
HEAT-ZONE-GAS) is installed, that system must use one
of the outer (left or right) knockouts. The other three must
be maintained for connection to the Ducted Passive Heat
kit.
Only one passive heat option may be installed on a single
appliance. Passive Heat kits without ducts may not be
used in conjunction with the Ducted Passive Heat kit.
Note: For 36 and 48 sized models the kit will include two
collars. The two inside knockout locations are the only
ones used.
1. Remove the appropriate knockouts, as called out
above, from the top of the appliance by dislodging
them with a hammer and then using a screwdriver to
remove from the holes. See Figure 5.1.
REMOVE ALL 4 KNOCKOUTS FOR 60 AND 72 INCH MODELS
REMOVE ONLY TWO INNER KNOCKOUTS
FOR 36 AND 48 INCH MODELS
Figure 5.1 Remove Knockouts
Hearth & Home Technologies • PHFR-MCE-36, PHFR-MCE-48, PHFR-MCE-60, PHFR-MCE-72 Instructions • 2560-972 • 6/20
2. Remove the insulation plug from each knockout.
Discard. See Figure 5.2.
Figure 5.2 Remove Insulation Plugs
3. Set an inner flue in each of the holes where the
knockouts were removed. See Figure 5.3.
Figure 5.3 Install Inner Flues
4. Remove the screws from the heat shield as shown in
Figure 5.7. Quantity and location of screws will vary
between models.
REMOVE INSULATION PLUGS
5
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