Mitsubishi Heavy Industries SRK25GZ-L1 Handbook page 717

(c) Bolt securing position
Model FDC508HES3
Intake
Discharge
160 580
Anchor bolt position
(4 places)
1) Use anchor bolts (M10) to secure the unit's legs.
2) Securely install the unit so that it dose not fall over during earth-
quakes or strong winds, etc.
3) Refer to the above illustrations for information regarding con-
crete foundations.
4) Install the unit in a level area. (With a gradient of 1/100 or less.)
(3) Refrigerant piping work
Select the piping specification to fit the specification of Indoor unit and installation location.
(a) Decision of piping specification
(i) Twin type
• FDC508HES3 [Branch pipe set: DIS-WA]
1
Outdoor unit
φ19.05
508
φ9.52
The branch piping (both gas and liquid lines) should always be arranged to have a level or perpendicular
branch.
< 2-Way Branch >
Mount
< 3-Way Branch >
175
Indoor unit
φ15.88
258
φ9.52
2
φ15.88
258
φ9.52
Floor
sections level with the floor.
Floor
Models FDC808HES3, 1008HES3
Anchor bolt
position
(4 locations)
Make the width
wide.
Chart of shapes of branch piping parts (DIS-WA)
Gas pipe Mark Liquid pipe
ID15.88
ID9.52
ID19.05
1
15
8
30
ID15.88
Notes (1) 1 to 5 in the drawing include parts provided in the branch piping set. It shows
the codes for the shapes of different-diameter connections.
(2) Branch piping should always be arranged to have level or perpendicular branch.
(Refer to the drawing below for details.)
Floor
Mount
perpendicular to the floor.
Floor
V MULTI
Unit: mm
(Service panel side)
Fasten with a
bolt (M10).
Sink the
foundation
deeply.
Mark Reducer
φ6.35
ID9.52
flared nut
50
8
105
ID9.52
OD19.05 ID15.88
2
10
80
ID9.52
190
OD15.88 ID19.05
10
80
sections
Mark
3
4
5
Floor
Floor
715