Icr01 - Haier YR-H 71 Service Manual

1.9.3. Installation drawing
1.9.4. Exterior dimensions for central controller
65
49
70
121
1.9.5. Communication wire specs
The wire between connecting board to the central controller is the dual-core STP (shielded twisted pair).
The detailed specs are as below:
wire length(m)
<
100
100 and
200 and
300 and
400 and
Shielded layer of communication wire must be earthed on one end.
1.9.6. Dip switch setting of central controller: shown in the below figure (ON:0, OFF: 1)
O N
1 2 3 4
Dip switch setting meaning:
The first bit: central bux line selection, 0: indoor bus line(Install without IGU04); 1: central bus line
The second bit: master/slave central controller selection, 0: master central controller; 1: slave central
controller
The third, fourth bit: control range, 00: 1~64, 01: 65~128, 10: 129~192, 11: 193~256. Every central
controller only can control 64 units, and every unit can include max. 16 indoors, but the central controller
only displays the master indoor state.
0010451974A

ICR01

Central controller
Figure 3. back of central controller
180
R
MONITOR GROUP RUN CENTRAL STANDBY
SLAVE
SET TOTAL UNIT FILTER
STOP LOCK TIMER
FAN
MODE SET FAILURE CHECK
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
SPEED
FAN
1
AUTO
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 COOL
2
HIGH
DRY
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48
MID
HEAT
RECOVERY SWING
LOW
49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64
AUTO AUTO NORMAL HRV
Figure 4: Exterior dimension
Specs
0.3mm
<
200 0.5mm
<
300 0.75mm
<
400 1.25mm
<
600 2mm
Commercial Air Conditioner
(1PH, 220V AC power source)
N
L
92
136
86
2 * 2-core STP
2 * 2-core STP
2 * 2-core STP
2 * 2-core STP
2 * 2-core STP
36
70
(mm)