Ycz-A001 - Haier YR-H 71 Service Manual

1.9 Central Controller ICR01 0010451974A
1.9.1 Appearance
1
17
33
49
Function description:
ICR01 central controller is developed from YCZ-A001, the operation and dimension is same with
YCZ-A001, please refer YCZ-A001 part, ICR01 is used for X Multi, MRVII(R22, R410A) series, YCZ-
A001 is used for Unitary Free, Unitary smart and Free Multi seires. But the wiring installation is
completely different.
Important! Timer and Recovery buttons are not in use.
1.9.2 LCD icons introduction
LCD of central controller displays indoor state and setting mode of different units.
central controller state indication
MONITOR GROUP
SET TOTAL
1 2 3 4
17 18 19 20
33 34 35 36
49 50 51 52
indoor unit number indication
MONITOR GROUP
UNIT
SET TOTAL
2 3 4 5 6 7 8 9 10 11
18 19 20 21 22 23 24 25 26 27
34 35 36 37 38 39 40 41 42 43
50 51 52 53 54 55 56 57 58 59
MONITOR TOTAL
SET GROUP
SELECT
indoor group and
unit number indication
UNIT
5 6 7 8 9 10 11 12 13
21 22 23 24 25 26 27 28 29
37 38 39 40 41 42 43 44 45
53 54 55 56 57 58 59 60 61
Figure 2: LCD diagram of central controller
Commercial Air Conditioner
Total on/Total off
RUN CENTRAL
SLAVE
STOP LOCK
TIMER
FAN
MODE
12 13 14 15 16
SPEED
FAN
AUTO
28 29 30 31 32
COOL
HIGH
DRY
44 45 46 47 48
MID
HEAT
LOW
60 61 62 63 64
AUTO
MODE
TIMER
TEMP.
CENTRAL FAN
SPEED
LOCK
Figure 1
indoor state
indication
RUN CENTRAL SLAVE
STOP LOCK
TIMER
FAN
MODE
14 15 16
SPEED
FAN
AUTO
30 31 32
COOL
HIGH
DRY
46 47 48
MID
HEAT
LOW
62 63 64
AUTO
35
STANDBY
FILTER
SET FAILURE CHECK
1
2
RECOVERY SWING
AUTO NORMAL HRV
CHECK
RECOVERY
CONFIRM
FILTER
GROUP SET
STANDBY
FILTER
SET FAILURE CHECK
1
2
RECOVERY SWING
AUTO NORMAL HRV
temp. setting and
failure indication