Rheem R-410A Manual de usuario descargar pdf (Pagina 20)

Low Volt Fuse

• If required replace with 3 A automotive ATC style blade fuse

Low Pressure Control (LPC Input – E14)

• Low-pressure control is factory installed

• Low pressure control is an automatic resetting device

High Pressure Control (HPC Input – E14)

• High-pressure control is factory installed

• High pressure control is an automatic resetting device

Compressor Solenoid Output (E14)

• Compressor solenoid output is controlled by the control for second stage cooling

operation.

Ambient Temperature Sensor

• Included on control but not required in the cooling only condenser application

TEST and SW2 Buttons

• TEST and SW2 buttons used to enter Test and Fault Recall Mode

ICC CONTROL OPERATION

Installation Verification

• 24V AC power on R and C must be present at the ICC for it to operate

• Line voltage must be present at the ICC for the compressor and the outdoor fan

to operate

• When line and 24VAC control voltage is present and there is no Y1 call, or other

diagnostics displayed, the control will display an “O” for standby mode

• If a Y1 call is initiated within 3 minutes of unit power-up or last compressor activa-

tion the control will display a flashing “c” and the red Led will activate to solid on

Call for Operation (Y1 Call)

• The ICC has an on/off fan delay of one (1) second.

• The ICC ignores state of LPC for 90 seconds upon compressor start

• The ICC will cause the compressor to be energized for 30 seconds minimum run

time except when TEST button is pushed without a Y1 call

Call for Operation (Y2 Call)

• 5 sec delay from Y1 to Y2

• 1 minute recycle when Y2 call ends

• The control will not allow the 2 stage solenoid to be energized for 1 minute after

the solenoid has been deenergized.

3-minute Anti-short Cycle Timer

• The ICC has a built in 3-minute time delay between compressor operations to

protect the compressor against short cycling (Status flashing c).

• The 3-minute time delay can be bypassed when a Y1 call is present by pressing

the TEST button for 1 second and releasing (Status solid on c).

30 Second Minimum Run Timer

• The ICC has a built in 30 second minimum unit run time (Status flashing c).

1 Second Compressor/Fan Delay

• The ICC starts/stops the outdoor fan 1 second after the start/stop of the compres-

sor upon a Y1 call to minimize current inrush and/or voltage droop.

Low Pressure Control (LPC)

• Upon a Y1 call, if the ICC senses an open LPC it will not allow the compressor to

be energized (diagnostic code 21).

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