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Heatilator • HEIR36-IFT, HEIR42-IFT, HEIR50-IFT Installation Manual • 2458-980 Rev. B • 8/17
G. PVLP-SLP and PVI-SLP-B Information
WARNING! Risk of Fire!
Use ONLY Hearth & Home
Technologies-approved power venting systems with this
appliance. Use of power venting systems not approved
by Hearth & Home Technologies could cause fireplace to
overheat.
Figure 4.16 Baffle Adjustment Location - PVI-SLP-B
ADJUSTMENT BOLT
INDICATOR BAR
INDICATOR BAR
ADJUSTMENT HOLES
Figure 4.17 Baffle Adjustment - PVI-SLP-B
Table 4.2
WARNING! Risk of Explosion!
Follow instructions to set
draft flow. Incorrect setting could impair burner perfor
-
mance and/or cause delayed ignition.
This section provides specific detail for installation of
HEIR36-IFT, HEIR42-IFT, and HEIR50-IFT models with
approved power vent kits. Follow instructions included
with the PVLP-SLP or PVI-SLP-B power vent kits. An
IFT-ACM will be required in order to use a power vent with
this appliance. Contact your dealer to order.
See Table 4.2 below for approved Power Venting options
for HEIR models.
PVLP-SLP
PVI-SLP-B
HEIR36-IFT
APPROVED
APPROVED
HEIR42-IFT
APPROVED
APPROVED
HEIR50-IFT
APPROVED
APPROVED
PVI-SLP-B
Baffle Adjustment Setting
HEIR36
HEIR42
HEIR50
3 Holes Visible
Table 4.3
The power vent draft flow must be adjusted and set per
the specifications in Table 4.3. Refer to the instructions
provided with the PVLP-SLP and PVI-SLP-B for more
specific information.
Setting the PVLP-SLP Baffle Adjustment:
Note:
The air baffle may be adjusted after installation.
The baffle adjustment screw can be accessed by removing
the front cap cover.
• If the burner flames are short, active, and jumping, turn
the bolt counterclockwise (open). check the burner
flames and adjust the baffle again as necessary until
the flames are stable, strong, and steady.
• If the burner flames are tall, lifting, floating, and ghost
-
like, the baffle is too far open and MUST be closed.
Turn bolt clockwise.
• If the pilot continuously sparks and does not become
steady, the baffle may need to be opened. The require
-
ments in Table 4.3. must still be met.
Distance from PVLP-SLP
to Appliance
Allowable Baffle
Minimum
Maximum
2-15 ft.
1-1/2 in.
2-1/2 in.
16-39 ft.
Closed
1-1/2 in.
Greater than 40
Closed
PVI-SLP-B:
The baffle adjustment is measured using the
holes on the indicator bar of the PVI-SLP-B baffle.
This
bar raises as the baffle is opened and lowers as the baffle
is closed. Adjust the baffle by turning the screw located in
the motor enclosure. See Figure 4.12 and 4.13.
Table 4.4