Sanyo AHX0752 Monitoring Operations, Display of unit No main unit, Indoor unit, Outdoor unit

Service Checker

1. Outdoor Unit Maintenance Remote Controller

4. Monitoring Operations

Display the indoor unit and outdoor unit sensor temperatures.

<Operating procedure>

Press and hold the (CHECK) and (CANCEL) buttons simultaneously for 4 seconds or longer to engage temperature monitor mode.

During temperature monitoring, illuminates.

(The display and operations are the same as for monitor mode using the indoor unit remote controller.)

Press the (UNIT) button and select the indoor unit to monitor.

Press the temperature setting and buttons and select the item code of the temperature to monitor.

The unit No. of the selected indoor unit, and the temperature data, are displayed.

To end monitoring, press the (CHECK) button.

4 1 2 3

The display returns to the normal display.

NOTE The display does not blink.

Display of unit No. 1 (main unit)

DN	Description		Remarks
	Intake temp.
	E1
	E2
	E3		Indoor unit
	Discharge temp.
	Discharge temp. setting
	Indoor unit electronic control valve position	STEP
	Discharge temp. 1 at Compressor 1
	Discharge temp. 2 at Compressor 2
	High-pressure sensor temp.
	Heat exchanger gas 1
	Heat exchanger liquid 1
	Heat exchanger gas 2
	Heat exchanger liquid 2
	Outdoor air temp.
	Not used
	Inverter primary current	A
	Current at Compressor 2 (CT2)	A	Outdoor unit
	MOV1 pulse	STEP
	MOV2 pulse	STEP
	Discharge temp. 3 at Compressor 3
	Current at Compressor 3 (CT3)	A
	MOV3 pulse	STEP
	Heat exchanger gas 3

Heat exchanger liquid 3

Low-pressure sensor temp.

Suction temp.

Oil 1

Oil 2

Oil 3

Actual operating frequency Hz

NOTE	0A and subsequent items are outdoor unit data. 0A – 22 are for unit No. 1.
	2A – 42 are for unit No. 2. 4A – 62 are for unit No. 3. 62 – 89 are for unit No. 4.
	6-7

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