Garland 200 - Manual (Page 90)

Page 90 Part # MCOSM06 Rev 1 (11/03/08)
Temperature Calibration
200 & 300 Series Controllers ONLY
Both the 200 & 300 series controllers use a 0 to 10.25K OHM potentiometer.
First check the sweep on the potentiometer between the middle wire and one of
the outside wires for a gradual increase or decrease in the resistance as the
potentiometer stem is turned.
GAS Units – Calibration 300 Series
1. Remove the temperature dial from the potentiometer
2. Turn potentiometer to its lowest setting ( fully counter clock-wise )
3. Place the temperature dial back onto the potentiometer
4. Align the mark on the temperature dial to the top left edge of the ‘F’ on the left
of the temperature dial and snug down one of the set screws. Do NOT fully
tighten yet.
5. Set temperature dial to 150°F and allow oven cavity to reach set temperature
6. Confirm temperature inside the oven cavity with your meter and that shown
on the temperature dial
7. If adjustment is required, loosen set screw and position mark on temperature
dial to temperature shown on your meter.
8. Tighten set screw down
9. Repeat as required (once is usually enough)
10.Fully tighten both set screws
GAS Units – Calibration 200 Series
1. Remove the temperature dial from the potentiometer
2. Turn potentiometer to its highest setting ( fully clock-wise )
3. Place the temperature dial back onto the potentiometer
4. Align the mark on the temperature dial ¼” PAST the 500°F marking on the
overlay and snug down one of the set screws. Do NOT fully tighten yet.
5. Set temperature dial to 150°F and allow oven cavity to reach set temperature
6. Confirm temperature inside the oven cavity with your meter and that shown
on the temperature dial
7. If adjustment is required, loosen set screw and position mark on temperature
dial to temperature shown on your meter
8. Tighten set screw down
9. Repeat as required ( once is usually enough )
10.Fully tighten both set screws
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