Required Tools For Installation; Filed Supplied Material; Knockout Procedure; How To Remove The Front Panel - CIAT YUNA II Serie Manuel D'instructions

  
Before installation, check strength and horizontality of the
base so that abnormal sound does not generate. According
TO THE DIMENSIONS AND CLEARANCES lX THE BASE lRMLY WITH THE
anchor bolts (Anchor bolt, nut: M10 x 2 pairs). If the outdoor
unit is installed in a very windy place, protect the fan with a
wind protection screen and check that it works correctly.

3.1 - Required tools for installation

s 0HILIPS SCREW DRIVER
s #UTTER DRILL  MM
s 3PANNER
s 0IPE CUTTER
s #UTTER
s 2EAMER
s 'AS LEAK DETECTOR
s -ETER
s 4HERMOMETER
s 6OLT OHM MILLIAMMETER
s %LECTRO CIRCUIT TESTER
s (EXAGONAL WRENCH
s &LARE TOOL
s 0IPE BENDER
s 7ATER LEVEL
s -ETAL SAW
s (AMMER

3.2 - Filed supplied material

Refrigerant pipes; Pipe insulating material (polyethylene
foam, 6 mm thick), Putty, PVC tapes.
3.3 - Knockout procedure (Fig. 4, 5)
The indoor/outdoor connecting pipes can be connected to
 DIRECTIONS 3EE lG  4AKE OFF THE KNOCKOUT PART OF THE
pipe cover in which pipes or wires pass through the base
plate. Do not remove the pipe cover from the cabinet so
that the knockout hole can be easily punched.
To knock out, punch the 3 connected parts with a
SCREWDRIVER AND REMOVE THE PIPE COVER BY HAND 3EE lG  
After marking the knockout hole, remove the burr and
mount the attached protective bush and guard material for
pass-through part in order to protect pipes and wires.
3.4 - How to remove the front panel (Fig. 6)
 2EMOVE SCREWS OF THE FRONT PANEL 3EE lG  
2. Pull the front panel downward.
3.5 - Drain hose and base pan knockouts (Fig. 7)
3EE lG 
In case of draining through the drain hose, attach the drain
nipple (A) and use the drain hose (Inner diam.: 16mm)
sold on the market. When there is a possibility of freezing
of drain at the cold district or a snowfall area, be careful
for drainage ability of drain.
The drainage ability increases when knockout holes on the
base pan are opened. (Open the knockout hole to outside
using a hammer (B), etc.).
   
Please refer to the hydronic module manual.
     
See R-410A - Installation manual for detailed instruction
on the process.
CAUTION: IMPORTANT FOR POINTS BELOW FOR
PIPING WORK
1. Keep dust and moisture away from inside the
connecting pipes.
2. Tightly connect the connection between pipes and the
unit.
3. Evacuate the air in the connecting pipes using
VACUUM PUMP.
4. Check gas leak at connected points.
5.1 - Connections and pipe lengths (Fig. 8)

Piping connections:

Outer diameter (mm)
Model
Liquid
YUNA II 5 HK 6.4 (1/4")
YUNA II 6 HK -
YUNA II 9 HK/ 9.52 (3/8")
YUNA II 11 HK
YUNA II 12 HTK/
9.52 (3/8")
YUNA II 15 HTK
0IPING LENGTH REFERENCES 3EE lG  
YUNA II 5 HK m
YUNA II 6 HK m
YUNA II 9 HK/
m
YUNA II 11 HK
YUNA II 12 HTK/
m
YUNA II 15 HTK
5.2 - Valves connections (Fig. 9)
Use two spanner to tighten the valves as shown in the
PICTURE 3EE lG  
Thickness (mm)
Gas Liquid Gas
12.7 (1/2") 0.8 0.8
15.9 (5/8") 0.8 1
15.9 (5/8") 0.8 1
A B C
15 30 50
15 30 30
15 30 70
15 30 70
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