York R410A User Manual page 18

Installation Procedure
1. Accessories
"Edging" for protection of electric wires from an opening edge.
2. Selection of the place of installation
Select the place of installation satisfying the following conditions and, at the same time, obtain a consent from the client or
user.
Place where air circulates.
Place free from heat radiation from other heat sources.
Place where drain water may be discharged.
Place where noise and hot air may not disturb the neighborhood.
Place where there is not heavy snowfall in the winter time.
Place where obstacles do not exist near the air inlet and air outlet .
Place where the air outlet may not be exposed to a strong wind.
Place surrounded at four sides are not suitable for installation. A 1m or more of overhead space is needed for the unit.
Mount guide-louvers to place where short-circuit is a possibility.
When installing several units, secure sufficient suction space to avoid short circuiting.
(1) Open space requirement around the unit
L
Air inlet 3
L
2
Air
inlet
Air outlet
L
Case
I
Distance
open
L1
300
L2
L3 150
(2) Installation where the area with strong winds.
Install the unit so that the air outlet section of the unit must NOT be faced toward wind direction.
3. Installation of outdoor unit
(1) Installation
Fix the unit in a proper way according to the condition of a place where it is installed by referring to the following .
(a) Concrete foundation
Anchor bolt
500
(Servicing
space)
1
Unit: mm
II
III
open
500
open
0
300 150
Unit
Concrete foundation
To fix by bolts
Edging
Note :
(1). Fix the parts with screws
(2). Don't intake the strong wind directly to the outlet air-flow hole.
(3). A one meter distance should be kept from the unit top
(4). Don't block the surroundings of the unit with sundries
NO
Wind direction
(b) Foundation anchor
18
Outdoor Unit
Unit
Concrete foundation
Anchor bolt