Protection Controlling Range In Cooling Operaing Mode; Protection Controlling Range In Heating Operaing Mode - Fujitsu Airstage VR-II Series Service Manual

High pressure protection -Summary-

Protection controlling range in cooling operaing mode

R
R
466 509
3.20 3.50
Note: Target pressure controlling will be cancelled when the operating pressure is in the range of orange.

Protection controlling range in heating operaing mode

R
466psi /3.20Mpa
R R
509psi / 3.50Mpa
R
R S
R S
508 515 524
3.49 3.54 3.60
Note: Target pressure controlling will be cancelled when the operating pressure is in the range of orange.
R
S
R
S
R R S
538 550 567
3.70 3.78 3.90
R S
S
530 538 553
3.64 3.70 3.80
S
S
S
573 582 611 ( psi )
3.94 4.00 4.20 ( MPa )
S
S S
582 611 ( psi)
4.00 4.20 ( MPa )
02 - 19
HPP Stop2 : Error Indication E A 42
HPP Stop1: Error Indication E A 41
HP Protection 1: SV2 ON
Abnromal HP protection ( Pattern 2) :
Compressor rotation speed lessen
18.5 rps (-15.0 rps) / 30sec.
( ): L-Chassis
Abnromal HP protection ( Pattern 1) :
Compressor rotation speed rise up prohibit
HPP Stop2 : Error Indication E A 42
HPP Stop1: Error Indication E A 41
HPP2 – Pattern2 : SV1 & SV2 ON
HPP2 -Pattern1 : SV2 ON
Abnromal HP protection ( Pattern 2) :
Compressor rotation speed lessen
-18.5 rps (-15.0 rps) / 30sec. -
( ): L-Chassis
Abnromal HP protection ( Pattern 1) :
Compressor rotation speed rise up prohibit