Steffes 1003 - Manual (Page 10)

Automatic Charge Control
If the room heating unit is set for automatic charge control, the brick core charge level will be regulated
automatically in relation to outdoor temperature. An outdoor sensor is required for this method of charge
control.
The outdoor sensor will monitor outdoor temperature and provide the information to the heater. The heater
will respond by storing heat in the brick core accordingly. The outdoor temperature at which brick core
charging in the heater is to begin and the outdoor temperature the heater should be at full brick core charge
may be adjusted at the time of installation. The heater comes factory preset to start charging at 60
o F (15.6 o C)
and to be at full brick core charge at 20 o F (-6.67 o C).
Manual Charge Control
If manual charge control is being used, the owner must periodically adjust the brick core charge level setting
during the heating season in relation to outdoor temperature and the heating requirements of the area. To
adjust the brick core charge level, do the following:
Step 1 Press and hold the M button until a green bar appears on the MODE digit of the control panel face
plate next to room setting. Release the button.
Step 2 Press the M button again. The green bar on the MODE digit of the control panel face plate will
move to indicate storage setting can be adjusted. Core charge level set point is displayed on the
TEMPERATURE digits.
Step 3 Press the ò or ñ arrow buttons to adjust the core charge level set point. The core charge level can
be set to any data value from 00 through 10.
00 = no core charging will occur
05 = 50% core charge will be maintained
10 = maximum core charge will be maintained
The face plate will automatically return to displaying current room temperature a few seconds after
making an adjustement.
HOW TO TURN THE HEATER "OFF" AND "ON"
You may wish to turn the heater off during the summer months. Brick core charging and room temperature
sensing can be turned off without disconnecting power to the heater.
Setting the Heater to "OFF" and turning it back "ON" when Using Automatic Charge Control
Step 1 To turn the heater "OFF", use the ò arrow button to decrease the room temperature set point until
the control panel face plate displays "OFF".
Step 2 To turn the heater back "ON", press the ñ arrow button to adjust room temperature to the desired set
point.
Operating the Heater Operating the Heater Operating the Heater Operating the Heater Operating the Heater
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