Service manual

Service Manual SM-MDS_(i) 55
5.6.2 Setting Up MDS-M PCB
Setting up MDS-M PCB is simpler and requires 3 steps as well:
1. Set up dipswitch 1 (S1)
2. Set up dipswitch 2 (S2)
3. Set up dipswitch 3 (S3)
Please refer to page 15 for the location of the dipswitches.
Set up
Dipswitch 1
(S1)
1 2 3 4 5 6 7 8
S1
MDS A/B
No. of indoor units
Cooling only / Heatpump
ON (1)
OFF (0)
For dipswitch 1, there are 3 functions. S1.1 is to determine whether the PCB is use in the MDS-
A series or a MDS-B series. S1.2 is to determine whether the model is a cooling only model or
heatpump model. Dipswitch S1.3-S1.8 are used to determine the quantity of indoors connected
to the outdoor.
S1.1 MODEL
0 MDS-B Series
1 MDS-A Series
S1.2 MODEL
0 Heatpump
1 Cooling only
S1.3 S1.4 S1.5 S1.6 S1.7 S1.8 Indoor Quantity S1.3 S1.4 S1.5 S1.6 S1.7 S1.8 Indoor Quantit
y
000000 1 011000 25
000001 2 011001 26
000010 3 011010 27
000011 4 011011 28
000100 5 011100 29
000101 6 011101 30
000110 7 011110 31
000111 8 011111 32
001000 9 100000 33
001001 10 100001 34
001010 11 100010 35
001011 12 100011 36
001100 13 100100 37
001101 14 100101 38
001110 15 100110 39
001111 16 100111 40
010000 17 101000 41
010001 18 101001 42
010010 19 101010 43
010011 20 101011 44
010100 21 101100 45
010101 22 101101 46
010110 23 101110 47
010111 24 101111 48
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