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Index
General description 5
- Nomenclature 5
- General characteristics 5
Technical specifications 5
- Mechanical specifications 5 - 6
- Controls 6
- Accessories 6 - 7
- Physical data and electrical characteristics 8 - 9
- Limits of use 10
- Limits of use, YLCC 10
- Limits of use, YLCC-H 10
- Test conditions 10
- Nominal flows, cooling only 10
- Nominal flows, heat pump 10
- Cooling capacities 11 - 14
- Heating capacities 15 - 16
- Hydraulic circuit flow/pressure
characteristics of YLCC and YLCC-H units 17 - 18
- Fan performances 19
- Correcting factors 20
- Factors with water and glycol 20
Installation instructions 21
- General information 21
- Inspection 21
- Environmental protection 21
- Warning signs 21
- Transportation 21
- Clearances 22
- Drainage 22
- Locating and securing the unit 22
- Hydraulic connections 23
- Hydro kits GH 24
- Circulating pump 24
- Flow switch 24
- Application on YLCC/YLCC-H units 24
- Wiring 25
Operating and start-up instructions 26
- YLCC/YLCC-H control system 26
- Standard components 26
- Interconnecting diagram 27
Page Page
- Identification of system intakes and outlets 28
Accessories 28
- Remote terminal 28
- Programmable key 29
- Unit addressing 30
- Unit control 30
- Display 30
- Unit status 30
- Keyboard 30
- Activation/deactivation of "COOL" function 30
- Activation/deactivation of "HEAT" function 30
- Access to "DIRECT" parameters 30
- Access to "USER" parameters 30
- Access to "FACTORY" parameters 31
- Deactivation of buzzer 31
- Alarm reset 31
- Forced defrost 31
- Clearing hour counters 31
- Installation of default parameters 31
- Adjusting display contrast 31
- Summary of keyboard functions 31
- Operation of ser point 32
- Compressors 32
- Defrost cycle 33
- Pump operation 33
- Single-phase axial or centrifugal fans operation with
speed control 34
- Alarms and messages 35
- Yellow and green LEDs on base plate 36
- Probe calibration 36
- Remote ON/OFF 36
- Remote COOL/HEAT 36
- Protection of "DIRECT" parameters 36
- Buzzer configuration 36
Operation 36
- Cooling cycle YLCC 36
- Cooling cycle YLCC-H 37
- Heating cycle YLCC-H 37
General dimensions 38 - 42
Wiring diagrams 43 - 62