Preparations Before Installation - Daikin R32 Split Series Installation Manual

PREPARATIONS BEFORE INSTALLATION

 Relation of the unit to the suspension bolt positions.
• Install the inspection opening on the control box side where
maintenance and inspection of the control box are easy. Install
the inspection opening also in the lower part of the unit.
 Make sure the range of the unit's external static
pressure is not exceeded.
(See the technical documentation for the range of the external
static pressure setting.)
 Open the installation hole. (Pre-set ceilings)
• Once the installation hole is opened in the ceiling where the unit
is to be installed, pass refrigerant piping, drain piping,
transmission wiring, and remote controller wiring (unneeded if
using a wireless remote controller) to the unit's piping and
wiring holes.See "REFRIGERANT PIPING WORK", "DRAIN
PIPING WORK", and "WIRING".
• After opening the ceiling hole, make sure ceiling is level if
needed. It might be necessary to reinforce the ceiling frame to
prevent shaking.Consult an architect or carpenter for details.
 Install the suspension bolts.
(Use W3/8 to M10 suspension bolts.)
Use a hole-in-anchor, sunken insert, sunken anchor for existing
ceilings, and a sunken insert, sunken anchor or other part to be
procured in the field to reinforce the ceiling to bearing the weight
of the unit. (Refer to the figure.)
 Mount chamber lid
(accessory).
In case of bottom suction:
(1)Remove the chamber lid. (7 locations)
(2)Reattach the removed chamber lid in the
orientation shown in the figure. (7 locations)
(3)Attach the air filter (accessory) in the manner
shown in the diagram.
In case of bottom side
4
and air filter
Air discharge
(1)
Air discharge
Attach the
Main unit
filter to the
main unit
while
pushing
down on the
Force
bends.
(2 bends for
25-35 type,
Filter
3 bends for
Force
50-60 type)
620
500
Suspension (length : mm)
bolt pitch
Air inlet
Control box
450×450
(Inspection
opening size)
(length: mm)
Model A B
15-20-25-32 type 750 740
40-50 type 950 940
63 type 1150 1140
Ceiling slab
Anchor bolt
Long nut or turn-buckle
Suspension bolt
Indoor unit
Note: All the above parts are field supplied.
(2)
Air inlet
Chamber lid
Air discharge
In case of back side
Ceiling
SERVICE SPACE
620
Allow view
Inspection door
(Ceiling opening)
Chamber lid
Air inlet
English