Kentatsu KRFN1050CFAN3, Service Manual

Page: 12 / 128

Kentatsu Rooftop KRFN
12 Performance
Continued:
Nominal ton (Ton) 8.5
Model KRFN300CFAN3
Outdoor fan
Type \ Axial
Quantity \ 1
Drive type \ Direct
Motor quantity \ 1
Motor model \ YDK580-6C
Motor capacitor \ 25µF/450V
Motor input W 820/505
Fan speed RPM 870/640
Refrigerant
Type \ R410A
Volume kg 2.25+2.25
Control \ Throttle valve
Wired controller \ KWC-22
Centralized controller (Optional) \ Yes
Ambient temperature (Cooling) °C 10~52
System stage \ 2
Dimensions
Net (W×H×D) mm 1,483×1,231×1,138
Packing (W×H×D) mm 1,500×1,255×1,155
Weight
Net kg 331
Gross kg 342
Notes:
1. Nominal ton only for reference. Cooling capacity as per specifications;
2. Cooling capacity test condition: (1)
Outdoor ambient temperature: 35°C, indoor temperature: 26.7°CDB, 19.4°CWB;
Cooling capacity test condition: (2)
Outdoor ambient temperature: 46.1°C, indoor temperature: 26.7°CDB, 19.4°CWB;
3. Units are suitable for operation to ± 20% of nominal indoor air flow.
4. ESP: external static pressure;
5. Specifications are subject to change without prior notice for product improvement.