Haier MRV 5-RC AB052MAERA, Service Manual

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154
Outdoor unit digital tube display settings
The contents of the display are defined as follows:
• Key parts: long press the left START (SW5) control to enter, short press above UP (SW4) data increase, short
press down DOWN (SW7) data reduction, long press the right STOP (SW6) control exit
• Dial: SW1, SW2, SW3: set the turntable dial switch is 0 - 15
• (Note: the dial plate, with the letters A for 10, B for 11, C for 12, D for 13, E for 14, F for 15)
• Display parts: LD1, LD2, LD3, LD4:4 digital tube from left to right
①
Indoor machine parameter view
You can view the indoor machine 128 sets of parameters: SW1 and SW2 represent the indoor machine address, SW3
range 3-14 can view the indoor machine parameters.
SW1 SW2 address
0
0-15
1 to 16 (address 0#-15#)
1 17 to 32 (address 16#-31#)
2 33 to 48 (address 32#-47#)
3 49to 64 (address 48#-63#)
7 65 to 80 (address 64#-79#)
8 81 to 96 (address 80#-95#)
9 97 to 112(address 96#-111#)
10 113 to 128(address 112-127#)
SW3 function Digital tube LD1 ~ 4 display
3
Indoor unit communication
check and program version
Communication normal display indoor machine program version (1 decimal),
the communication interrupted normal display “0000” (5 consecutive round
of no communication success), communication has not been normal display
“---- ----””. Such as 3.9, said the machine version number is V3.9
4 Indoor unit failure Display indoor unit fault code, no fault display 0
5 Indoor unit capacity The indoor unit capacity (horse, 1 decimal places), 1.5 horse show 1.5
6
Indoor unit expansion valve
opening
expansion valve opening
（
pulse
）
7
Indoor unit environment
temperature Tai
environment temperature(
℃
)
8 Indoor gas temperature Tc1 gas temperature Tc1
（℃）
9 Indoor liquid temperature Tc2 liquid temperature
（℃）
10
（
A
）
Indoor unit boot mode, the
actual operation of wind
speed and SCODE code
LD1 said the boot mode O: stop C: refrigeration H: heating
LD2 said the actual operating speed of the indoor machine (0- stop, 1- low
speed, 2- Middle speed , 3- high speed)
，
LD3 and LD4 are represented by SCODE codes (0 ~ 15)
。
Such as C311 said the cooling operation of high speed, SCODE 11
。
11
（
B
）
Indoor set temperature Tset Indoor set temperature
（℃）
12
（
C
）
Indoor unit consistency
control setting
Display the indoor unit corresponding to the same contract use (0
unallocated group number, their control)
Method of setting group and the <E2 control parameters and Display
Settings >
(Note: all in the unit at the same time can be set by a dial 15-0-2 set “in the
same unit drive outside unit control”, 0- indoor unit according to the number
of automatic control, 1- indoor unit with all contract, all within each 2- indoor
unit control, banned from drive off)
13
（
D
）
Low temperature automatic
running function of indoor
unit
Shows whether the machine has this function, 0 - No 1 - there are
Setting the method with the <E2 control parameters display and Settings >
Note: all within the machine at the same time setting can be set by dialing
15-1-2 “within the machine at low temperature automatic operation at the
same time control selection”, 0- automatic control, 1- all within the machine
is valid, 2- all within the machine is invalid