Piping Installation Inspection Sheet - Fujitsu Airstage VR-II Series Service Manual

1-2-6 Piping installation inspection sheet 1/2

Check Item
Ref. circuit name : _________________________________,
Outlook
Refrigerant
system
piping
Piping
Other check point of separation tube
Bending of connection pipe toward separation tube.
Connection pipe
19-11/16in. (0.5m)
Like the figure, adjust the pipe angle so as to be within 3-degree angle.
Check Item
Ref. circuit name: ____________________________________,
For single
Piping layout
type & multi
(Between RB & IU)
type RB Units
Branch port piping layout
For multi type
(RB branch port vs. IU
RB Unit
connection pattern)
Check contents
Insulation & Fastening
Suction line filter
Oil Trap
Actual Pipe Length
Height Difference
Separation tube
to Outdoor unit
to Outdoor unit
Check contents
1)
Ref. address: ______________ (00 99)
Insulated without gap & properly fastened
Is there any external filter in the suction line
If Distance between OUs 2m ,
Place oil trap both at suction & at Discharge line
Between Master OU and farthest IU
Between first separation tube and farthest IU ( 197ft./60m)
Total Pipe Length
Between OU and OU branch kit
Between farthest OU and first OU branch kit
Between RB units (for multi type RB series connection) (
Between OU and IU (when OU is installed above)
Between OU and IU (when OU is installed below)
Between IUs
Between OUs
Between RB units
Between RB unit and IU
to RB unit or
Indoor unit (To
main pipe
to RB unit or
Indoor unit (To
main pipe
Leave the distance 19-11/16in.(0.5m) or more for straight part to outdoor unit branch kit.
Judgement
Ref. address: _____(00 99)
Existence of additional RB in between RB branch port and indoor
unit is prohibited
For single type
RB unit
Number of free branch port more than one is prohibited
2 free branch
01-09
Judgement
(Yes / No)
( 541ft./165m)
( 3280ft./1000m)
( 9ft./3m)
( 39ft./12m)
( 164ft./50m)
( 131ft./40m)
( 49ft./15m)
( 1.6ft./0.5m)
( 49ft./15m)
( 16ft./5m)
to Outdoor unit
19-11/16in.(0.5m) or
more
19-11/16in.(0.5m) or more
For multi type
RB unit
1 free blanch
3 free branch
Present Status
Yes / No
Yes / No
Yes / No
Not applicable
(feet)
(feet)
(feet)
(feet)
(feet)
3ft./1m) (feet)
(feet)
(feet)
(feet)
(feet)
(feet)
(feet)
to Outdoor unit
to Outdoor unit
to Outdoor unit
to Outdoor unit
Present Status
Correct
Not correct
Correct
Not correct