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English
L-2066 Operation
The SMX Keypad/Display
The SMX II and SMXir keypad/displays are arranged for
logical operation. The button layouts on the SMX II and the
SMXir are similar, and the buttons perform the same
respective functions. See next page for keypad/display
diagrams.
1. Data Display
Large LED readout that provides indication of current
setpoint, temperatures, programmed values and error
messages.
2. Cooling Indicator
Lights when compressor is running in cooling mode.
3. Heating Indicator
Lights when compressor is running in heating mode.
4. Setpoint Indicator (SMX II Display Only)
Lights when setpoint is displayed. Off when inside
temperature is displayed.
5. SET Key
Press the SET key to display your currently selected
setpoint (the temperature you wish to maintain in the
cabin). The SET key also is used to dim the data display
readout.
6. UP-DOWN Keys
Press UP or DOWN to raise or lower the setpoint. Press
and hold keys for large changes. Note: if inside tem-
perature is displayed, touching the UP or DOWN key
will cause the setpoint to be displayed.
7. TEMP Key
Press once to display inside temperature. Press TEMP
twice, and the display will alternate between inside
temperature and setpoint. Press again to return to
inside temperature only.
Hint
You can display temperature in degrees Fahrenheit or Celsius.
8. OFF Key
Turns system off. Note that the data display remains on.
You can continue to adjust setpoint, display temperature
readings and activate the manual fan to circulate air
while the system is in the OFF mode.
9. Cool Mode Indicator
Lights when you press the COOL key to select the
cooling mode.
10. Heat Mode Indicator
Lights when you press the HEAT key to select the
heating mode.
11. COOL Key
Turns the system on in the cooling mode.
12. HEAT Key
Turns the system on in the heating mode.
Hint
Press both HEAT and COOL at the same time, and the sys-
tem will automatically switch between cooling and heating
mode. When in the automatic switchover mode, both the
COOL and HEAT indicators are lit.
13. Manual Fan Indicator
Lights when fan is running in manual mode.
14. SLOW-FAST Keys
Control fan speed when the fan is in the manual mode.
Pressing SLOW or FAST key when in automatic fan
mode will change the system into manual mode.
15. FAN Key
Selects manual or automatic fan control mode. Press
once to select manual control. Press FAN again to
select automatic fan speed control. In this mode, the
fan speed is controlled by the microprocessor as a
function of the difference between setpoint and inside
temperature.
16. Fan Speed Indicators
Row of five small LEDs below FAN key. Indicate the
current fan speed.
17. Inside Temperature Indicator (SMXir Display Only)
When illuminated, inside temperature is displayed.
When light is off, setpoint is displayed.
18. IR Receiver (SMXir Display Only)
Infrared remote receiver
19. Dehumid Key (Remote Control Only)
Changes system into the Humidity Control program.
20. Auto Switchover Key (Remote Control Only)
Places the system into automatic changeover mode, so
it will switch from cooling to heating as needed.
Definitions
LED - Light Emitting Diode. An indicator light is used to de-
note mode or operating status.
Setpoint - The selected temperature you want to maintain in
the area being heated or cooled.
SMX II Control Systems • Operation
Содержание Cruisair SMX II
Страница 20: ...20 L 2066 Fig 1 SXR7 16CK 115 230V 50 60Hz...
Страница 21: ...21 L 2066 Fig 2 SX7 24CK 115 230V 50 60Hz...
Страница 22: ...22 L 2066 Fig 3 FX5 36CK 115 230V 50 60Hz...
Страница 23: ...23 L 2066 Fig 4 FX48RC 230V 50 60 Hz...
Страница 24: ...24 L 2066 Fig 5 FX20DC FX48EC 230V 460V 3Ph 50 60Hz...
Страница 25: ...25 L 2066 Fig 6 SMXII Retrofit Typical 3 knob...
Страница 26: ...26 L 2066 Fig 7 SMXII Retrofit F20C 48RC to 3 knob term strip...
Страница 27: ...27 L 2066 Fig 8 SMXII Retrofit F20C 48RC to condensing unit...
Страница 28: ...28 L 2066 Fig 9 Cable Diagrams Old and New P L Boards...
Страница 29: ...29 L 2066 Fig 10 SMXIR Mounting Template and Instructions...