Fujitsu AUXB12GA* H - Operation Check Sheet

01-12
Check Contents Judgement Present Status
Refrigerant Circuit : Name _________________, Address ________(00
99)
Conducted by
Service Tool
Degree of sub-cool at OU sub - cooler side should be,
5
Tsc 20 AND
Pulse value EEV3 should be,
Yes / No
Discharge refrigerant pressure should be,
2.5MPa Pd 3.3MPa
Yes / No
Suction refrigerant pressure should be,
0.7MPa Ps 1.2MPa
Yes / No
Discharge refrigerant temp. should be,
Discharge refrigerant superheat should be,
Yes / No
IU refg. superheat should be, 2
Pulse value IU EEV should be, EEV 1000P
Yes / No
Ps between Master & Slave OUs should be,
Ps 0.2 MPa
Yes / No
Air temperature of each IU should be,
Tair c ooling
>
8
Yes / No
No water fall from IU
No abnormal noise from IU
Yes / No
EEV3 400P
Td 100
AND
Tshd > 10
Tshe 20 AND
Tsc
EEV3 P
Pd MPa
Ps MPa
Td
Tshd
Tshe
IU EEV P
Ps MPa
Tair c ooling
Tsc = Saturated liquid temperature of HPS - TH5
Tshd = TH1- Saturated liquid temperature of HPS
Tshe = TH24 - TH22
Tair c ooling = TH21 - Outlet Air temperature
Td = TH1
Pd = HPS
Ps = LPS
Reference mark of Service tool
Check Contents Judgement Present Status
Refrigerant Circuit : Name _________________, Address ________(00
99)
Test-run operation
Heating mode
Conducted by
Service Tool
Discharge refrigerant pressure should be,
Suction refrigerant pressure should be,
Discharge refrigerant temperature should be,
Discharge refrigerant superheat should be,
Degree of sub cool (at IU side) should be,
Refrigerant superheat (at OU side) should be,
Pd between Master & Slave OUs should be,
T
OUHE
at each OU connected in series should be,
Air temperature of each IU should be,
2.5MPa Pd 3.3MPa
0.3MPa Ps 1.2MPa
Td 100
AND
Tshd > 10
Tsc 7
AND
4
Tshe1 & Tshe2 5
2
T
> 5
OUHE*
Ps 0.2 MPa
Tair heating
>
15
Tsc = Saturated liquid temperature of HPS - TH22
Tshd = TH1- Saturated liquid temperature of HPS
Tshe1 = TH7 - Saturated vapor temperature of LPS
Tair heating = TH21 - Outlet Air temperature
Reference mark of Service tool
Yes / No
Yes / No
Yes / No
Yes / No
Yes / No
Yes / No
Yes / No
Tsc
Pd MPa
Ps MPa
Td
Tshd
Tshe
Ps MPa
Tair heating
TOUHE
Tshe2 = TH8 - Saturated vapor temperature of LPS
T = TH4 - TH9
OUHE 1
T = TH4 - TH10
OUHE 2
Test-run operation
Cooling mode
1-3-5 Operation check sheet