Daikin EWYD520BZSS Bruksanvisning
Daikin
Luftkonditionering
EWYD520BZSS
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CONTROL PANEL OPERATING MANUAL
AIR COOLED SCREW CHILLER GLOBAL DESIGN
Software version ASDU01C and later
D-EOMCP00104-14EN
D–EOMCP00104-14EN - 2/82
TABLE OF CONTENTS
1 CONTENTS ......................................................................................................................... 5
1.1. Installation Precautions....................................................................................................... 5
1.2. Temperature and Humidity considerations ...................................................................... 5
2. GENERAL DESCRIPTION ............................................................................................... 6
3. MAIN CONTROL SOFTWARE FEATURES ................................................................. 7
4. SYSTEM ARCHITECTURE ............................................................................................. 8
4.1. Control Panel ....................................................................................................................... 9
4.2. Main board ......................................................................................................................... 11
4.3. pCO
e
Expansion ................................................................................................................. 12
4.4. EEXV Valve Driver ........................................................................................................... 14
4.4.1. Meaning of the Driver EEXV status leds ................................................................... 14
4.5. Addressing of pLan/RS485 ............................................................................................... 15
4.6. Software .............................................................................................................................. 15
4.6.1. Version identification ................................................................................................. 16
5. PHYSICAL INPUTS AND OUTPUTS ........................................................................... 18
5.1. ASDU01C controller #1 – Base unit and compressors #1 & #2 control ...................... 18
5.2. ASDU01C controller #2 – Compressors #3 & #4 control .............................................. 19
5.3. pCO
e
expansion #1 – Additional hardware .................................................................... 20
5.3.1. Expansion connected to ASDU01C #1 ...................................................................... 20
5.3.2. Expansion connected to ASDU01C #2 ...................................................................... 20
5.4. pCO
e
expansion #2 – Heat recovery or heat pump control .......................................... 20
5.4.1. Heat recovery option .................................................................................................. 20
5.4.2. Heat pump option ....................................................................................................... 21
5.5. pCO
e
expansion #3 – Water pump control ..................................................................... 21
5.6. pCO
e
expansion #4 – Fan step control ............................................................................ 22
5.6.1. Expansion connected to ASDU01C #1 ...................................................................... 22
5.6.2. Expansion connected to ASDU01C #2 ...................................................................... 22
5.6.3. EXV Driver ................................................................................................................ 22
6. MAIN CONTROLLER FEATURES .............................................................................. 23
6.1. Controller purpose ............................................................................................................. 23
6.2. Unit enabling ...................................................................................................................... 23
6.3. Unit modes .......................................................................................................................... 23
6.4. Setpoints management....................................................................................................... 24
6.4.1. 4-20mA setpoint override ........................................................................................... 25
6.4.2. OAT setpoint override ................................................................................................ 26
6.4.3. Return setpoint override ............................................................................................. 26
6.5. Compressors capacity control .......................................................................................... 27
6.5.1. Automatic Control ...................................................................................................... 27
6.5.2. Manual Control .......................................................................................................... 30
6.6. Compressors timing ........................................................................................................... 33
6.7. Compressors protection .................................................................................................... 33
Produktspecifikationer
| Varumärke: | Daikin |
| Kategori: | Luftkonditionering |
| Modell: | EWYD520BZSS |
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