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12
Variable Vent Restriction
Vent restriction is accomplished by sliding a restric-
tor panel over the combustion air intake ports
located at the back of the firebox. See Fig 19. The
panel is set in a fully open position at the factory.
Use the Vent Window diagrams in Figs. 12-13 as a
starting point to determine the best restriction
setting. Follow these steps to adjust the restriction
as necessary:
1. Remove the Controls Panel to access the adjust-
ment lever at the rear of the valve compatment.
Simply loosen the two wingnuts that secure the
panel to the cabinet floor and pull the panel
forward. You do not need to disconnect any wires.
2. Locate the vent restriction wingnut protruding
from the firebox floor at the rear of the valve
compartment. Loosen the wingnut and push the
lever to the left to increase restriction in one inch
increments, e.g: 1 inch travel = 1/3 closed position.
The ideal restrictor setting for a particular vent
system will vary depending on the specific installa-
tion characteristics. Once the fireplace is operating,
further restrictor adjustment may be necessary to
obtain the best performance. See the Operation
chapter of this manual for more information.
Figure 19. Vent restrictor adjustment.
Fireplace Installation
Optional Blower
Install the optional Blower (155630) before
installing the gas supply line.
Power Requirement
The blower must be electrically grounded in accor-
dance with local codes or, in the absence of local
codes, with the current NFPA 70- National Electrical
Code or CSA C22.1-Canadian Code.
A three-prong (grounding) power supply plug is
included for protection against shock hazard and
should be plugged directly into a properly grounded
three-prong receptacle. DO NOT CUT OR REMOVE
THE GROUNDING PRONG FROM THE PLUG.
Blower Function
In the Auto mode, the blower is controlled by a heat
activated switch (snapstat) that will turn the fan on
and off as the firebox heats and cools. Use the
Manual mode to over-ride the snapstat. If the blower
is not needed, place the blower control switch in the
OFF position and the snapstat will not function.
CAUTION: Always unplug the Blower when
performing any routine service to the Acadia gas
fireplace.
Installation
1. Loosen the two wingnuts that secure the Control
Panel to the fireplace floor. Pull the panel forward
and swing it to the right to access the rear of the
cabinet. Do not disconnect any wires.
2. Insert a rubber grommet at each corner of the
Base Plate as shown in fig. 20.
3. Engage the Blower unit base with the four studs
at the rear of the fireplace cabinet floor. See fig. 21.
4. Insert the Snapstat into the slot in the Snapstat
Bracket and, using the M6 nuts and 10 mm socket,
attach the Control Switch / Snapstat Bracket to
the two studs protruding from the firebox floor.
See fig. 22.
5. Connect the Blower Wire harness to the switch
connector at the back of the Control Panel and
two other leads to either terminal on the
snapstat.
6. Run the power cord to the duplex receptacle in
the side of the cabinet. Gather slack cord into the
side cavity, away from the plumbing and other
wiring. Reposition and secure the Control Panel.
3
76 mm
12
305
mm
2 1/2
64 mm
Figure 18.
Wall Vent Terminal /
Overhang Clearances
BLOWER
IGNITOR
HI
LO
AUTO
MANUAL
OFF
ON
OFF
BURNER
M
HI
LO
Full Open
1/3 Closed
2/3 Closed
Fully Closed