37
17 Configuration
17.1 Overview
This chapter mainly introduces the functions of the ODU
check board and other related information.
Including the following information:
Button function
DIP setting for priority
Spot check function enabling
17.2 Functions of SW1 and SW2 Buttons
There are SW1 and SW2 buttons on the ODU check board/
main control board, as shown in Figure 17-1. SW1 is for test
run and SW2 for checking system parameters.
Figure 17-1
SW1
Test run button
SW2
Check button
Check
board/main
control board
(ODU)
● Operate the switch and button with an
insulation rod (such as a ball pen with a cap) or
wearing insulation gloves to avoid the contact
with energized parts.
Caution
17.3 S2 DIP Switch Function
There is an S2 DIP switch on the ODU check board/main
control board, as shown in Figure 17-2.
Figure 17-2
S2 mode selection DIP
1 2
21
3
Check board/main
control board
(ODU)
Implement priority modes with different DIP combinations.
See Table 17-1 for the rules.
S2
Table 17-1
1 2
21
3
Automatic
selection of
priority mode
1 2
21
3
In response to
cooling mode
only
1 2
21
3
Cooling mode
priority
1 2
21
3
VIP mode priority
1 2
21
3
First enabled
priority (default)
1 2
21
3
Heating mode
priority
1 2
21
3
In response to
heating mode
only
17.4 Display Function
There are buttons (8-16 kW for SW2) on the ODU check
board/main control board. The digital display on the
check board/main control board displays air conditioner
parameters in the following order (press the button once
to display a parameter).
.
Operating frequency
Display "--"
Last 10 error codes
Program version No.
Discharge pressure
Priority mode
Compressor error code
System address
Model
Number of operating IDUs
Total number of IDUs
T2A Condenser
temperature
T2/T2B Average
temperature
DC voltage
Input voltage
Operating mode
Operating fan speed
Total IDU capacity
requirement
Total ODU capacity
requirement after
modification
T3 Outdoor heat
exchanger temperature
T4 Outdoor ambient
temperature
T5 Outdoor discharge
temperature
TF IPM module
temperature
TL Outdoor heat
exchanger liquid pipe
temperature
Electronic expansion
valve opening x 8
Input current
Compressor current
● T2: Indoor heat exchanger piping temperature
● T2A: Indoor heat exchanger inlet hole
temperature
● T2B: Indoor heat exchanger outlet temperature
● T3: Outdoor heat exchanger temperature
● T4: Outdoor ambient temperature
● T5: Discharge temperature
● TF: IPM module temperature
● TL: Outdoor heat exchanger liquid pipe
temperature
● EXV: Electronic expansion valve
Caution
Summary of Contents for KMF-80 DVR5
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