Sanyo SPW-C256VH, Technical Data & Service Manual

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6-3
6
Temperature monitor
• Displays the indoor/outdoor unit sensor temperatures.
Outdoor unit alarm history monitor
• Displays the outdoor unit alarm history.
Setting modes
• Setting mode 1 and setting mode 2 are used to make the outdoor EEPROM setting.
6-3. Normal Display Operations and Functions
Normal display functions
• Connect the special service checker wiring to the outdoor unit PCB.
The connection is shown in the fi gure below.
* It is not necessary to disconnect the communications line in the inter-unit control wiring if it has already been con-
nected at this time.
* Setting modes 1 and 2 can be used even when the outdoor unit is independent (when 1 maintenance remote con-
troller is connected to 1 outdoor unit and automatic address setting for the indoor units has not been completed).
* Displays the overall system status for that refrigerant system.
All units start/stop (Fig. 6-1)
<Operation>
The
button can be used to start and stop all the indoor units.
• The LED turns ON when 1 or more indoor units is operating.
• The LED blinks when an alarm has occurred at 1 or more indoor units
during operation.
Switching between cooling/heating (Fig. 6-1)
<Operation>
The
button switches between heating and cooling modes.
• The specifi cations are equivalent to the heating/cooling input that was
present on earlier outdoor unit PCBs.
• The display shows the operating mode of the indoor unit with the lowest
number.
All units test run (Fig. 6-2)
<Operation>
The button switches test run ON/OFF for all indoor units.
• Press and hold for 4 seconds to turn ON.
“Test run” is displayed while the test run is in progress.
• Conditions of test runs that are started from the unit remote controller
are not displayed on the outdoor unit maintenance remote controller.
•
•
•
Fig. 6-1
Fig. 6-2
Special service
checker wiring
Relay connector (2P, white)
PCB connector (3P, blue)
Remote controller Assy
Interface for outdoor unit maintenance
remote controller (ACC-CR-RCS)
Outdoor unit
control PCB
RC (5P, red)
PCB connector
(5P, red)
Only for SPW-C256/366VH8
Special service checker wiring
RC (3P, blue)
Outdoor
unit PCB
PCB connector
(3P, blue)
Relay connector (2P, white)
Remote controller Assy
SM830160-03̲Classic̲PAC-i̲A4.ind3 3 SM830160-03̲Classic̲PAC-i̲A4.ind3 3 2010/02/16 10:30:25 2010/02/16 10:30:25