Haier MRV 5-RC AB052MAERA, Service Manual

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155
②
Outdoor unit parameter view
SW3 function Digital tube LD1 ~ 4 display
14
（
E
）
Forced indoor
mechanism cooling /
heating / shutdown
(1) press START (SW5) for 2 seconds, to enter the instruction set state, flashing
display instructions.
(2) according to UP (SW4) or DOWN (SW7) () adjustment instructions (COOL/
HEAT/OFF).
(3) after the adjustment is completed, according to STOP (SW6) for 2 seconds,
the implementation of the instruction set and stop flashing display
0~3 SW1 is used to select the outdoor machine number, to select the different machine. SW3 range of 0, 1, 15,
expressed as the observation of outdoor machine parameters.
(the host can display the parameters of the other outdoor machine and the indoor machine parameters, and the sub
machine only displays the machine parameter SW1 is 0).
(1) The first boot, the first sub search engine, from left to right circular display 1:0, if found a table display 2:01 two
table display 3:012. "3:012" means a total of 3 units of the system, 012 said the address of the machine. (":" the
actual display "=").
(2) Lock machine units, start the search within the machine number, cycle "- in - machine units", such as "-6-" said
the system connects the 6 station machine
(3) After the search is completed, the display of the machine's fault code, the machine has no fault when the display 0.
SW1 SW2 SW3 function Digital tube LD1 ~ 4 display
Outdoor
unit
address
0-3
0 0
Display outdoor
unit fault code
External machine bus data transfer fault code. If there is no fault display
on the electric heating 6 hour countdown time to form a stopwatch
Press START (SW5) for 2 seconds, 1111, into the fault query state, can
query the last 10 faults occur: fault and fault code flashing display serial
number, each by 1 UP (SW4) plus 1 serial number, each by 1 DOWN
(SW7) serial number minus 1; 2min automatic exit. Steady state
Press STOP (SW6) for 2 seconds, display 0000, quit the status of the
query, stop flashing display
；
The dial in 13,0,0, press START (SW5) 2 seconds, 1111, can clear the
historical record of failure
1 0
Display outdoor
unit priority and
outdoor unit
capacity
LD1
：
Display priority of outdoor unit
LD2
：
Display “-”
LD3-4
：
Display outdoor unit capacity (Horse)
2 0
Display operation
mode and outdoor
unit operation
output ratio
LD1 said O: stop C: refrigeration H: heating
LD2-LD4 said: 60 of the ability to express the output of 60%
3 0
Outdoor fan
speed 1
345 representation 345rpm
Press START (SW5) for 2 seconds, 1111, enter the set state: flashing,
each by 1 UP (SW4) level of wind speed increased by 1 per level, by 1
DOWN (SW7) wind speed increased by 1 grade; 5min automatically exit
the setting state
Press STOP (SW6) for 2 seconds, display 0000, quit the set state, stop
flashing display
4 0
Outdoor fan
speed 2
5 0
Frequency
converter INV1
current frequency
110 representation 110.0Hz
Press START (SW5) for 2 seconds, display 1111, enter the set state:
flashing display, each according to the 1 UP (SW4) frequency rise
1Hz, every 1 times DOWN (SW7) frequency drop 1Hz; 5min after
automatically quit the set state.
Press STOP (SW6) for 2 seconds, display 0000, quit the set state, stop
flashing display;
（
When the system is in trouble, the compressor is forbidden to start.
）
6 0
Frequency
converter INV2
current frequency