Desa VYM27NR - Manual (Page 19)

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Note: Do not leave the hand-held remote in the
AUTO mode close to the fireplace. The radiant
heat from the fireplace will turn off the fireplace.
Ideally, place the hand-held remote in the center
of the room facing towards the fireplace.
Note:
Do not hold the hand-held remote for
a long time. Body temperature will affect its
operation in the AUTO mode.
Safety Features
When away from home for an extended period
of time or as a child safety feature to prevent
accidental ignition of the fireplace, the receiver
ON/OFF/REMOTE switch should be in the
OFF position.
Auto Shutoff Feature
1. If the average room temperature exceeds 82°
Fahrenheit (28° Centigrade), the hand-held
remote control will perform a safety override
and shut the fireplace off. This feature is not
available in the MANU mode.
2. The receiver continuously receives signals
from the hand-held remote to control the
room temperature. If the hand-held remote
is misplaced, obstructed, or for any reason
cannot transmit to the receiver, the receiver
will shut off the fireplace after 8 minutes.
Key Pad Lock Feature
This feature allows the user to lock/unlock
the keypad on the hand-held remote in the
MANU or AUTO mode to prevent inadvertent
operation (i.e. children operating the hand-held
remote control, etc.). The keypad is locked in
either on or off. Press the POWER and LOCK
buttons together to turn the unit on or off.
INSPECTING bURNERS
Check pilot flame pattern and burner flame pat-
terns often.
pILOT FLAME pATTERN
Figure 28 shows a correct pilot flame pattern.
Figure 29 shows an incorrect pilot flame pattern.
The incorrect pilot flame is not touching the
thermocouple. When the thermocouple cools, the
heater will shut down.
If pilot flame pattern is incorrect, as shown in
Figure 29
• turn heater off (see To Turn Off Gas to Appli-
ance, page 17)
• see Troubleshooting, page 22
OPERATING HEATER
Continued
Figure 28 - Correct Pilot Flame Pattern
(Propane/LP Pilot Shown)
Pilot Burner
Thermocouple
Pilot Burner
Thermocouple
Figure 29 - Incorrect Pilot Flame Pattern
(Propane/LP Pilot Shown)
BURNER FLAME PATTERN
Figure 30, page 20, shows a correct burner flame
pattern. Figure 31, page 20, shows an incorrect
burner flame pattern.
If burner flame pattern is incorrect as shown in
Figure 31, page 20
• turn heater off (see To Turn Off Gas to Appli-
ance, page 17)
• see Troubleshooting, page 22
Figure 30 - Correct Flame Pattern
Figure 31 - Incorrect Flame Pattern
Note: The pilot flame on natural gas units will
have a slight curve, but flame should be blue and
have no yellow or orange color.