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a. The array of the liquid crystal display is composed of 4X16 grids, and each grid is 
composed of two blocks of different sizes (as shown in the above figure). The 
status indication table is as follows

 

b. The array includes horizontal coordinates 00-15 on the up side and vertical 
coordinates 00+, 16+, 32+ and 48+ on the left side, which indicate the address of 
the indoor unit. The sum the horizontal coordinate and the vertical coordinate 
composes the grid the address of the grid. Each grid corresponds to an indoor unit 
of this address. 

Status 

Object 

  

Constantly on 

Slow blink 

Fast blink  Not bright 

Big black  
block 

Small black  
block 

In-service 

Selected 

Out of 
service 

  

Fault of  
indoor/ 
outdoor 
unit 

Power 
off 

Power on 

2. LCD display description 
    1) 

Description of the main page

Fig 2.5 The example diagram of the main page 

Installation & Owner

s Manual 

20 

           

The LCD displays the main page, 60 air conditioners are in service,  which 28 are  

    powered on and 32 off.  
           

The address of the air conditioners is sum of the coordinates. For example, the  

   address of (

48+,

09) is 48+09=57.  

           

In the array, the big dots from (

16+,

00) to (32+,15)  are luminous, and the small dots 

   are not luminous. It indicates the 32 air conditioners with the addresses from 16 to 47 are  
   powered off. 
           

In the array, the big and small dots from (

48+,

09) to (48+,12) are not luminous. It 

  indicates the four air conditioners with the addresses from 57 to 60 are outside. 
           

All other big and small dots in the array are luminous. It indicates all other air  

  conditioners are in the net powered on. 
           

The centralized controller  communicates with the computer normally,when the  

  keypad of the centralized controller  is locked. 
 

Содержание CRF-30-CM

Страница 1: ...INSTALLATION OWNER S MANUAL Centralized Controller Thank you for purchasing our product Before using your unit please read this manual carefully and keep for future reference MODEL CRF 30 CM...

Страница 2: ......

Страница 3: ...peration part 8 2 1 Function instructions 9 2 2 Operation conditions 9 2 3 Key words 10 2 3 1 Status indication 10 2 3 2 Power on or reset 10 2 3 3 Emergency stop and forced on 10 2 3 4 Various lockin...

Страница 4: ...INSTALLATION PART Installation Owner s Manual 1...

Страница 5: ...Remarks 3 core control shielded cable 2 PCS 1 PCS 1 PCS 2 3 PCS Several pieces 3 core cable Switch box Wire pipe jack casing pipe captive nut Tighten strip No No Quantity install into wall Selected mo...

Страница 6: ...After the centralized controller is connected do not use megohmmeter to inspect the insulation of the signal cable 6 Wiring mode of the centralized controller and the network interface The communicati...

Страница 7: ...aces Fix the screws of the centralized controller Base Front cover Address dial code Dial code Dial code position Address range Fig 1 2 Installation diagram Forced on switch Emergency stop switch L N...

Страница 8: ...controller One computer can connect 16 centralized controllers at most A centralized controller can connect 64 indoor units at most A centralized controller can connect 64 indoor units at most A cent...

Страница 9: ...may lead to personal injury or property loss Means improper handling may lead to personal death or severe injury Note Do not install the equipment in a place vulnerable to leakage of flammable gases O...

Страница 10: ...itioner Both of the following wiring modes of centralized controller and indoor unit are applicable The number of indoor units connected with each centralized controller is not beyond 64 Indoor unit I...

Страница 11: ...OPERATION PART Installation Owner s Manual 8...

Страница 12: ...r unit and the centralized controller will be the slave unit Air conditioner Network interface Centralized controller Local computer Maximally 16 centralized controllers Maximally 64 indoor units Netw...

Страница 13: ...The backlight will be on when centralized controller is operating The backlight will be off if no key is pressed over 30s 3 Buzzer When the backlight is on and the centralized controller keys are un...

Страница 14: ...oner is remained 2 Remote controller locking 1 Effect When the air conditioner is under remote controller locking state it will not receive the remote signals from remote controller or wire controller...

Страница 15: ...ill be locked automatically Press any key to light the backlight first Secondly press key and hold on press key to unlock keys Then operation to the controller is enabled The backlight will turn off a...

Страница 16: ...s to all air conditioners according to parameters such as setting mode fan speed setting temperature etc b If the current is under setting interface but the setting mode is OFF state or under other in...

Страница 17: ...nstruction of electric control function Fig 2 2 Keys of centralized OK TIME ON SET QUERY Keys of centralized controller On Off the unit RESET TIME OFF MODE SWING INC LOCK DEC Installation Owner s Manu...

Страница 18: ...Time off key In setting operation mode press this key to set the timing shutdown of air conditioner Press the key again to exit the timing setting and restore the normal temperature regulation operati...

Страница 19: ...y one 11 Upward key In the main page press this key to enter the query mode By default it is the first in service air conditioner In any other time press this key will select the previous correspondin...

Страница 20: ...s follow 14 ON OFF key Any time when you press the key the centralized startup shutdown operation is performed for all current in service air conditioners in the centralized controller network Detaile...

Страница 21: ...1 6 Installation Owner s Manual 18 Fig 2 3...

Страница 22: ...air conditioner is remote control locking The icon will always display if all the air conditioners are remote control locking In the global setting page the icon displays if any air conditioner is rem...

Страница 23: ...play description 1 Description of the main page Fig 2 5 The example diagram of the main page Installation Owner s Manual 20 The LCD displays the main page 60 air conditioners are in service which 28 a...

Страница 24: ...00 and 00 01 are luminous It indicates the in service and power on status of the air conditioners with the addresses of 00 and 01 The centralized controller communicates with the computer normally 3 D...

Страница 25: ...red on will be cleared Dial code 1 Dial code 2 Dial code 3 Dial code 1 Table 2 1 Dial code definitions Three pipe CCM30 Two pipe CCM30 Has optional function No optional function Installation Owner s M...

Страница 26: ...2 3 After setting successfully Dual eight represented function selection and dual eight represented function selection will be lighted on the screen will display Setting successfully Fig 2 9 d After 3...

Страница 27: ...Fault of communication between main board and display board Air speed detection out of control EEPROM error Zero crossing detection error Outdoor unit fault protection T2B sensor fault T2A sensor fau...

Страница 28: ...2 5 Technical indices and requirements 1 EMC EMI comply with the CE certification requirements 2 Electrical safety comply with GB4706 32 2004 GB T7725 2004 Installation Owner s Manual 25 2020551A7919...

Страница 29: ......

Страница 30: ...C D logo...

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