Fujitsu AB* A12GATH, Service Manual

Page: 13 / 241

01-08
Check Item Check contents Judgement Present Status
Ref. circuit name: ____________________________, Ref. address :________(00 99)
Additional
Charged
Refrigerant
Outdoor Unit
OU Model Name Additional Refrigerant Amount for OU
AJ* 072L / AJ* 090L / AJ* 108L
AJ* 126L / AJ* 144L / AJ* 162L
AJ* 072L / AJ* 090L : 0 (kg)
AJ* 108L / AJ* 126L / AJ* 144L / AJ* 162L : 3.3 (kg)
(kg)
Connecting
Pipe
Liquid Pipe Length Additional Refrigerant Amount based on the liquid pipe length
@ 6.35mm (m)
For pipe diameter 6.35mm : 0.021 kg/m
For pipe diameter 9.52mm : 0.058 kg/m
For pipe diameter 12.7mm : 0.114 kg/m
For pipe diameter 15.88mm : 0.178 kg/m
For pipe diameter 19.05mm : 0.268 kg/m
(kg)
@ 9.52mm (m)
(kg)
@ 12.7mm (m)
(kg)
@ 15.88mm (m)
(kg)
@ 19.05mm (m) (kg)
Total Additional Amount of Charged Refrigerant
(kg)
Note: In the refrigerant system, overall refrigerant amount 31.5 kg (for 1 OU), 63.0 kg (for 2 OUs) and 94.5 kg (for 3 OUs)
Overall refrigerant amount (kg) in the refrigerant system = Factory charged refrigerant (kg) for OU + Total additional amount of
charged refrigerant (kg) [= Additional charged refrigerant for OU +
Additional charged refrigerant for connecting pipe]
Factory charged refrigerant for outdoor unit :
AJ* 072L or AJ* 090L : 11.7 (kg)
AJ* 108L or AJ* 126L or AJ* 144L or AJ* 162L : 11.8(kg)
Check Item Check contents Judgement Present Status
Ref. circuit name: ____________________________, Ref. address :________(00 99)
Outdoor Unit
3-way
valves
opening
3-way valve of each OU at
- Discharge pipe side
- Suction pipe side
- Liquid pipe side
Master OU ( all 3-way valve must be full open )
Yes / No
Slave-1 OU ( all 3-way valve must be full open )
Yes / No
Slave-2 OU ( all 3-way valve must be full open )
Yes / No
1-2-6 Refrigerant charge amount inspection sheet
1-2-7 3-way valve opening inspection sheet