Hitachi EV-1.5N Installations- Und Betriebshandbuch Seite 11

Expansion Valve Kit EV-.5N
Installation & Operation Manual
2.5.2 Installation method
Service cover
T
Fixing screw for
service cover
(Label)
1 Fixing with suspension bolt (recommended)
Screw
Fixing bracket
(2 pcs.)
Fix the fixing bracket from the
rear side of unit body as shown
in the figure above.
1 Fixing to horizontal surface
Fix the fixing bracket from the
rear side of unit body as shown
in the figure above.
Screw
(2 pcs.)
1 Fixing to vertical surface
Service cover
Details of P
Fixing
bracket
?
NOTES:
1. In case a false ceiling is 264 mm and more, install the unit according to (1) "Fixing with Suspension Bolt".
2. Ceiling should be strong enough to avoid vibration and noise.
3. Perform piping and wiring connection work inside of the false ceiling after suspending the unit. Select a installation location and piping direction. Especially as for the existing ceiling,
perform piping and wiring work to the connecting positions for the pipe and wirings before suspending the unit.
4. Keep a service space and install a service access door in order to remove the service cover.
5. When refrigerant piping connection work at field site, pay attention to the connecting direction of the expansion valve kit according to the arrow of the label as shown in the figure T.
Page 9
Screw
Fixing
(2 pcs.)
Fixing bracket
bracket
Remove 2 screws (4x10)
and fixing bracket from
unit body
Suspension bolt
Service Fixing screw for
cover service cover
P
Min. 300
09
Service cover
Q
Fixing bracket
Min. 300
R
Fixing screw for
Fixing screw for
service cover service cover
Details of Q
Suspension bolt
Screw (M4)
Nut (field supplied)
(field supplied)
Washer (field supplied)
Washer (field supplied)
Nut (field supplied)
PMML083A - 07/2008
Fixing screw for
service cover
Min. 300
Fixing screw for
service cover
Service cover
Fixing bracket
Fixing bracket
Plug
(field supplied)
T
Fixing bracket
Service cover
Service cover
Fixing bracket
Fixing screw for
service cover
Details of R
Plug
(field supplied)
Washer (3t)
(field supplied)
Screw (M4)
(field supplied)