Rinnai ES38 Owner's Operation And Installation Manual page 9

Operating the Heater
Lock
This feature locks the
buttons to prevent
unintended operation.
Press the up and
down buttons to
activate and the lamp
will glow. Pressing
Function Lock
and holding the up and down
will disengage the Lock.
buttons for two seconds
If the Lock is engaged while the unit is operating, all
buttons will be disabled except for the ON/OFF button.
If the Lock is engaged while the unit is off, then all
buttons will be disabled. The Lock must be
disengaged in order to turn the unit on.
Adding Water to the Humidifier
AcAUTION!
Do not fill the tray while the
appliance is in operation.
Close the door after filling.
The humidifier tray and
surrounding area are hot
when the appliance is on.
To fill the tray, open the door as shown in the diagram
and pour water into the tray using the spout built into
the door. The air will be humidified as it passes over
the water in the tray.
During operation a small amount of condensation is
produced in the flue system and drains into the
humidifier tray.
If the water overflows from the water level hole, then
do not add any more water.
Humidifier Tray
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j
Access Door
Pull
Filler Spout
Do not force door open too far.
Close door during operation.
Sensible Temperature Control
The sensible temperature control feature allows
comfortable heating which matches the conditions in
the room.
Based on the information collected by the room
temperature thermistor when the heating starts, the
heating capacity is automatically adjusted to achieve
a comfortable heating effect and to reach the
temperature setting quickly.
Filter Lamp
If the filter lamp flashes
during operation, check
Riter
the air filter for dust. If
EE83
dust is present, clean the
EE83
filter. See the Care and
Maintenance section. Turn the heater off before
cleaning the filter.
Adjusting Air Flow Direction
AcAUTIONl
Do not adjust the air flow
louvers while warm air is
flowing.
The vertical louvers may be adjusted to move the air
flow more to the right or to the left.
Use a screw driver or similar object to bend each
louver to the desired position.
Do not bend repeatedly (no more than 5 times) or else
the louver will break.
The horizontal louver (which determines the vertical air
flow direction) is fixed and cannot be adjusted.
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Rinnai Corporation ES38 Manual 9