R410a DC Inverter 60Hz
Carrier service manual
General Information
4
1.2.4
External static pressure enhanced up to 60Pa and air volume
increases by 10%
The high static pressure propeller fan and the optimized fan guard can adapt to
various installation environments.
Carrier now offers up to 60Pa* (0.24 in.WG) external static pressure for
customized applications (60 Pa is available for the 12HP model, 40Pa is
available for other models). A standard 0-20Pa function is equipped by default.
1.3 High reliability
1.3.1
Cycle duty operation
Cycle duty operation between modules in one system extends the system lifespan significantly.
1.3.2
Back-up operation
If one module failed, other modules can be backup instead of the failed one for continuing operation.
1.3.3
Precise oil control technology
5 stage oil control technology ensures every outdoor
unit & compressor’s oil always keep in the safe level,
completely solve the compressor oil lack problem.
1st stage: compressor internal oil separate
2nd stage: high efficiency oil separator (separation
efficiency up to 99%)
3rd stage: oil balance technology between compressors
4th stage: oil balance technology between modules
5th stage: intelligent system oil return program
1.4 Enhanced comfort
1.4.1 Night silent operation mode
Carrier's Night Silent Mode feature which is easily set on the PCB board allows the unit to be set to varies
time options during Non Peak and Peak operation time optimizing the units noise output.
Super silent operation mode can reduce sound level further, minimum 45dB (A).