Service manual

ManualsBrandsDaikin ManualsAir ConditionerRZQ24PVJU

SiUS28-902_a Basic Control

Function 20

2.4 Cooling Operation Fan Control

In cooling operation with low outdoor air temperature, this control is used to provide the

adequate amount of circulation air with liquid pressure secured by high pressure control using

outdoor unit fan.

STEP 8

STEP 7

STEP 6

STEP 5

STEP 4

STEP 3

STEP 2

STEP 1

Pc>450 psi

Pc<261 psi Pc>348 psi

Pc<261 psi Pc>334 psi

Pc<261 psi Pc>305 psi

STEP 0

Pc<261 psi Pc>276 psi

850 rpm

715 rpm

580rpm

445 rpm

360 rpm

285rpm

400 rpm

250 rpm

0rpm

M1F

815 rpm

680rpm

545 rpm

410 rpm

325 rpm

250 rpm

0rpm

M2F

STEP 3

STEP 4

STEP 5

STEP 6

STEP 7

STEP 8

STEP 2

STEP 1

STEP 0

Cooling

Fan Steps

850 rpm

250 rpm

815 rpm

M1F

0rpm

M2F

STEP 8

STEP 1

Heating

There are 2 steps in heating operation.

Reference

Pc: HP pressure sensor detection value