Operation Check Sheet - Fujitsu Airstage VR-II Series Service Manual

1-3-5 Operation check sheet

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Refrigerant Circuit : Name _________________,
Test-run operation
Cooling mode
Conducted by
Service Tool
Reference mark of Service tool
Tsc = Saturated liquid temperature of HPS - TH5
Tshd = TH1- Saturated liquid temperature of HPS
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Refrigerant Circuit : Name _________________,
Test-run operation
Heating mode
Conducted by
Service Tool
3.6 F
Reference mark of Service tool
Tsc = Saturated liquid temperature of HPS - TH22
Tshd = TH1- Saturated liquid temperature of HPS
Tair heating = TH21 - Outlet Air temperature
Degree of sub-cool at OU sub - cooler side should be,
9 F TSC 36 F(5 C
Pulse value EEV3 should be,
Discharge refrigerant pressure should be,
363psi Pd 479psi( 2.5MPa
Suction refrigerant pressure should be,
102psi Ps 174psi( 0.7MPa
Discharge refrigerant temp. should be,
Discharge refrigerant superheat should be,
( Tshd >18 F(10 C)
IU refg. superheat should be,
(2 C Tshe 5 C).And,
RB group SV (SBS & SVB1) should be ON AND
Pulse value IU EEV should be, EEV
Ps between Master & Slave OUs should be,
( Ps 29psi(0.2Mpa))
Air temperature of each RB group IU should be,
>
Tair c ooling 14.4 F(8 C)
No water fall from IU
No abnormal noise from IU
Discharge refrigerant pressure should be,
363psi Pd 479psi (2.5MPa
Suction refrigerant pressure should be,
44psi Ps 174psi (0.3MPa
Discharge refrigerant temperature should be,
Td 212 F (100 C) AND
Discharge refrigerant superheat should be,
Tshd > 18 F(10 C)
Degree of sub cool (at IU side) should be,
Tsc 7 ) AND
(4
RB group SV (SBD1 & SVB2) should be ON
Refrigerant superheat (at OU side) should be,
Tshe1& Tshe2
Pd between Master & Slave OUs should be,
Ps 29psi (0.2MPa))
T at each OU connected in series should be,
OUHE
T >9 F(5 C)
OUHE
Air temperature of each RB group IU should be,
>
Tair heating 27 F (15 C)
Judgement
Address ________(00
Tsc 20 C) AND
EEV3 400P
Pd 3.3MPa)
Ps 1.2MPa)
Td 212 F(100 C).And,
(3.6 F Tshe 9 F)
1000P
Tshe = TH24 - TH22
Tair c ooling = TH21 - Outlet Air temperature
Judgement
Address ________(00
Pd 3.3MPa)
Ps 1.2MPa)
7.2 F
Tsc
9 F(2 C Tshe1& Tshe2
Tshe1 = TH7 - Saturated vapor temperature of LPS
Tshe2 = TH8 - Saturated vapor temperature of LPS
01-15
99)
Tsc
EEV3
Pd Psi(MPa)
Ps Psi(MPa)
Td
Tshd
Tshe
SBS & SVB1
IU EEV
Ps Psi(MPa)
Tair c ooling
Td = TH1
Pd = HPS
Ps = LPS
99)
Pd Psi(MPa)
Ps Psi(MPa)
Td
Tshd
12.6 F
Tsc
SVD1 & SVB2 ON
Tshe
5 C)
Ps Psi(MPa)
T
F( C)
OUHE
Tair heating
T
OUHE 1
T
OUHE 2
Present Status
F( C)
Yes / No
P
Yes / No
Yes / No
F( C)
Yes / No
F( C)
F( C)
Yes / No
ON
P
Yes / No
Yes / No
F( C)
Yes / No
Present Status
Yes / No
Yes / No
F( C)
Yes / No
F( C)
F( C)
Yes / No
F( C)
Yes / No
Yes / No
F( C) Yes / No
= TH4 - TH9
= TH4 - TH10