Haier Yl H24 Manual

Appearance, Dimension and Interface                                       
1------------ Reset Port 
2------------  Signal Ground Wire of Unit B 
3------------  Signal Line of Unit B 
4------------  Signal Ground Wire of Unit A 
5------------  Signal Line of Unit A 
6------------  Central Control Interface — B 
7------------  Central Control Interface — A 
8------------  Communication Line for RS-232 Linking Control Computer or Communication Line of MODEM (We only offer agreement of deteetor for...

Installation and Debugging                                               
Installation Methods Fix detector by means of two screw s hanging methods, and distance 
between screws see (right figure).
1. Realization, installatio n, wiring and power distribution of a system only 
using two-unit swit chover function are much  more easier, after finishing 
installation of two units,  connect detector to the remote control interface 
of the air conditioner computer board,  set detector as two-unit switchover...

Installation and Debugging                                                 
(13) in principle, installation place of central controller shall be  arranged in the middle of 
communication bus, close to shielding earth  line of communication bus; (14) unit address codes of 
central controller adopt the defaul t settings; (15) central controller has its own power distribution line, 
the power distribution line and communicati on line shall not be too close from each other or in the 
same wiring channel,...

Installation and Debugging                                                                
Tw o  
Unit Dialing setting 
Ä 1 means dialing to ON È0 means dialing to OFF Å
NO.8 NO.7 NO.6 NO.5  NO.4 NO.3 NO.2 NO.1 Low
7-bit
value Air
conditioner  installation sequence Unit
number
of central 
controller Two-unit 
switchover  time 
* 0 0 0 0 0 0 0 0  1  1-1 No limit * 0 0 0 0 0 0 1 1  2  1-2  1hr * 0 0 0 0 0 1 0 2  3  1-3  2hrs * 0 0 0 0 0 1 1 3  4  1-4  3hrs * 0 0 0 0 1 0 0 4  5  1-5  4hrs 
* 0 0 0 0 1 0...

Installation and Debugging                                                  
Tw o  
Unit Dialing setting 
Ä 1 means dialing to ON È0 means dialing to OFF Å
NO.8 NO.7 NO.6 NO.5  NO.4 NO.3 NO.2 NO.1 Low
7-bit
value Air
conditioner  installation sequence Unit
number
of central 
controller Two-unit 
switchover  time 
* 0 1 1 1 1 0 0  60  61  4-13  60hrs 
* 0 1 1 1 1 0 1  61  62  4-14  61hrs 
* 0 1 1 1 1 1 0  62  63  4-15  62hrs 
* 0 1 1 1 1 1 1  63  64  4-16  63hrs 
* 1 0 0 0 0 0 0  64  65  5-1  64hrs 
*...

Installation and Debugging                                                   
Tw o  
Unit Dialing setting 
Ä 1 means dialing to ON È0 means dialing to OFF Å
NO.8 NO.7 NO.8 NO.7  NO.8 NO.7 NO.8 NO.7 Low
7-bit
value Air
conditioner  installation sequence Unit
number
of central 
controller Two-unit 
switchover  time 
* 1 1 0 1 0 0 0 104  105  7-9  104hrs 
* 1 1 0 1 0 0 1 105  106  7-10  105hrs 
* 1 1 0 1 0 1 0 106  107  7-11  106hrs 
* 1 1 0 1 0 1 1 107  108  7-12  107hrs 
* 1 1 0 1 1 0 0 108  109  7-13...

12 Connecting board IGU04 0010451976
IGU04 detector is used with ICR01 central controller, IGU04 appearanc e and dimension is same with
detector YCJ-A001
12.1 Appearance
Caution: One central cont roller can control Up to 5 units of IGU04
CN1
J4
From central
controller
To indoor
units
S1
LED2
LED3 LED1
B-A
QP
B-BFrom central
controller
To outdoor
unitsIGU04
To 220V,50Hz
12.2  PCB photo and drawing
2. Dip switch setting of connecting board ICR01
The dip switch is as below  figure  (ON:1, OFF: 0):
O N...

Commercial Air Conditioner
S1(3-8) is used to set IGU04 address, in one central control system, the address of IGU04
must be different.
12.3.Summarization
For installation information ,please refer central controller ICR01 manual , one ICR01 can
control up to 5 sets of IGU04.
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