Daikin RXYQ96PYDN, Руководство по обслуживанию

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SiUS34-801A_b Protection Control
VRVIII R-410A Heat Recovery 60Hz 213
[In heating operation and Simultaneous Cooling / Heating Operation]
The following control is performed in the system.
Pe_min indicates the minimum value within the system.
8.3 Discharge Pipe Protection Control
This discharge pipe protection control is used to protect the compressor internal temperature
against a malfunction or transient increase of discharge pipe temperature.
[Contents]
The following control is performed for each compressor of single unit as well as multi units.
Pe_min<10.15psi
Pe_min
<24.65psi
Pe_min>33.35psi
&
Pe_min
<24.65psi
Pe_min
<1 8 . 8 5psi
Pe_min
>39.15psi
W hen occ u rring 4 times w ithin 30 min.,
the malf u nction code [ E4 ] is displayed.
N ormal Operation
Upper limit compressor step=max (Max. step)
Upper limit compressor step:
2-step u p
Upper limit compressor step:
1-step u p
D u ring the control of lo w press u re protection
Compressor step:
After 10 sec.
After 10 sec.
After 15 sec.
After 15 sec.
Pe_min
>29psi
Lo w press u re
stand b y
For single u nit:
8 to 12HP: 52Hz+OFF ( u pper limit)
For m u lti u nits:
W hen STD compressor is in
operation
One STD compressor stops
W hen STD compressor stays
stopped
52Hz+OFF (
u pper limit)
C u rrent
step maintained