Montigo PVHIN58-300 - Manual (Page 10)

PVHIN58-300 with TMHIN58-40
Page 10
XG0521 - 111214
How to use Diluter Collar
The PVHIN58-300 is equipped with a built-in diluter collar to allow
air to bypass the fireplace. This results in slower air movement in the
fireplace while still allowing for increased air flow through the power
vent and termination, which keeps them cooler.The PVHIN58-300 is
shipped with the diluter collar completely closed.
Note: When using the PVHIN58-300 with the RP620, you may not
be able to open the diluter collar depending on the vent run. This is
not such an issue, as the RP620 has its own bypass built into it which
allows for a slower looking flame.
How to Open and Set the Diluter Collar
Step 1. Set power vent speed on the control box to full speed
Step 2. Open the diluter collar 100% by turning the diluter collar adjust-
ment screw clockwise until the screw won't turn anymore.
As you turn the screw clockwise, the diluter collar plate will slide
along the rails until it stops against the inside of the power vent
shell.
Figure1. Section 4 Diluter Operation
Step 3. Turn your fireplace on.
Likely this diluter collar will be too open to engage the air proving
switch.
Step 4.
Turn the diluter collar screw slowly counter clockwise until the air
proving switch is activated.
The diluter collar is now set to the minimum adjustment to allow the
fireplace to operate.
If you have wind issues, or if the fireplace goes out from time-to-time,
close the diluter collar more to allow a higher air proving switch signal.
Cutaway view
of Outer Box
Diluter
Adjustment
Screw
Diluter Collar Plate
Installation