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Page Title:
Table 1. ADR-300 Unit Controller Display and Keypad. |
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 TM 10-4110-262-13&P
0004 00
10
12
11
4
5
3
6
9
2
7
1
8
Table 1. ADR-300 Unit Controller Display and Keypad.
Ref
Function
Ref
Function
1
On/Off Key / ON Indicator Light
7
Setpoint Key
2
Power Cord Indicator Light
8
Setpoint Key Indicator Light
3
Unit Operation / Cooling Mode
9
AC Overload Indicator Light
Indicator Light
4
Defrost Indicator Light
10
Digital Display
5
Manual Defrost Key
11
Celsius Indicator Light
6
Thermostat Dial
12
Fahrenheit Indicator Light
ADR-300 Unit Controller Display
The RU controller is mounted inside a NEMA enclosure. The controller display and keys are used to
change operating settings and monitor operating status. The controller features and functions are
described below:
Unit Controls
(1) ON/OFF Key / ON Indicator Light
Press this key to turn the unit on and off. When the unit has been stopped by the HEAT or COOL
overload relay, press this key to restart the unit.
When this light is on, it indicates that the unit is turned ON. When this light is OFF, it indicates that the
unit is turned off.
(2) Power Cord Indicator Light
When this light is on, it indicates that the unit is connected to an AC power supply.
0004 00-5
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