Temperature Controls and Indicators

Actual Temperature Key/LED

Press to display actual temperature.

Press and hold to display electrical cur- rent.

Target Temperature Key/LED

Press to display target temperature.

Press and hold to display heater control circuit board temperature.

Temperature Scale

Keys/LEDs

Press °F or °C to change temperature

scale.

Heater Zone On/Off

Keys/LEDs

Press to turn heater zones on and off.

Also clears heater zone diagnostic codes, see page 42.

LEDs flash when heater zones are on. The duration of each flash shows the extent that the heater is turned on.

Temperature Arrow Keys

Press , then press or to

adjust temperature settings in 1 degree incre- ments.

Temperature Displays

Show actual temperature or target tempera- ture of heater zones, depending on selected mode. Defaults to actual at startup. Range is 32-190°F (0-88°C) for A and B, 32-180°F (0-82°C) for hose.

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Graco H40, H50 Actual Temperature Key/LED, Target Temperature Key/LED, Temperature Scale Keys/LEDs, Temperature Arrow Keys