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Maintenance And Service
c
a
a
omPonent
ccess
To access the control panel and components after the U37
has been installed into the wall, perform the steps in the
following sections.
c
P
a
ontRoL
aneL
ccess
1. Remove the safety screen (see M
r
s
s
eMoVe
afety
creen
2. Remove the door trim (see M
r
D
t
on page 11).
eMoVe
oor
rIM
3. A side cover can be found on the inner right side of the
unit. It is held in place using two magnets. Gently pull the
side panel out and away from the unit (see Figure 18).
4. Behind the side cover is the control panel which contains:
•
Pressure taps for the inlet (IN) and the manifold
(OUT) *see page 49*
•
Switches for the burner (bottom), IFC reset (middle),
and power vent (bottom) *see section below*
•
Access to the battery backup
Refer to Figure 17 for a diagram of the control panel.
For convenience, the fireplace comes pre-wired for power
vent applications. If needed, to switch into power vent (PV)
mode locate the PV switch next to the Remote Sync Button.
The top rocker switch with the cover above it controls the
mode setting of the fireplace's IFC. From the factory the
- symbol is down, press the rocker switch so that the O
symbol is down. To clarify:
- symbol down = Direct Vent (DV) mode
O symbol down = Power Vent (PV) mode
If for some reason the IFC needs to be switched back to
DV mode simply press the switch again with main power
disconnected.
IMPORTANT - Main power must not be connected to
the fireplace prior to switching between DV and PV modes.
If power is connected the IFC will remain in the previous
mode until power is removed. Turning the fireplace on and
off via the remote will not correct this.
Quick Tip - A typical symptom of the fireplace being
inadvertently switched to PV mode is a responsive remote
with full control of the Light circuit but no pilot ignition
sequence.
i
:
FteR
nstaLLation
:
aIntenance
on page 10).
a
aIntenance
a
s
-
nD
erVIce
s
-
nD
erVIce
Manifold Pressure
Power Vent Switch
Backup Batteries
Figure 16: Side Panel Removal
Inlet Pressure
Tap
Tap
IFC Reset
Burner Switch
Figure 17: Control Panel
15
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