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INSTALLATION INSTRUCTIONS
Electric Wiring and Applications Cont.
Outdoor Machine Digital Tube Display Setting
The contents of the display are defined as follows:
• Key parts: long press the left START (SW5) control to enter, short press UP (SW4) data scroll up, short press DOWN
(SW7) data scroll down, long press the right STOP (SW6) enter data and exit.
• DIal: SW1, SW2, SW3: set the rotary 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.
SW3
Function
3
Indoor unit communication check and
program version
4
Indoor unit failure
5
Indoor unit capacity
6
Indoor unit expansion valve opening
7
Indoor unit environment temperature Tai
8
Indoor gas temperature Tc1
9
Indoor liquid temperature Tc2
10 (A)
Indoor unit boot mode, the actual
operation of wind speed and SCODE code
11 (B)
Indoor set temperature Tset
12 (C)
Indoor unit consistancy control setting
13 (D)
Low temperature automatic running
function of indoor unit
14 (E)
Forced indoor unit cooling / heating /
shutdown
49-5000878 Rev. 0
SW1
SW2
Address
0
1 to 16 (address 0# - 15#)
1
17 to 32 (address 16# - 31#)
2
33 to 48 (address 32# - 47#)
0-15
3
49 to 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#)
Digital Tube LD1 ~ 4 Display
Communication normal display indoor machine program version (1 decimal),
the communication interrupted normal display "0000" (5 consecutive rounds of "no
Communication" success,), communication has not been normal display "---- ----"".
Such as 3.9, said the machine version number is V3.9
Display indoor unit fault code, no fault display 0
The indoor unit capacity (tonnage, 1 decimal places), 1.5 tonnage show 1.5
expansion valve opening (pulse)
zone temperature (°F )
gas temperature Tc1 (°F)
liquid temperature (°F)
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°
Indoor set point temperature (°F)
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)
Indicates if machine has this function or not; 0=no, 1=yes
Use E2 control parameters display and settings.
Access by setting dial switches to 15-1-2. Set low temperature and automatic operation at
the same time.
0=automatic control, 1= all machine settings valid, 2= all machine settings not valid
(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 s,the implementation of
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