Panasonic E18RKUA Installation Manual Download Page 12

43 

12.2.3 

Indoor Unit Installation 

12.2.3.1  For the right rear piping 

12.2.3.2  For the right bottom piping 

12.2.3.3  For the embedded piping 

(This can be used for left rear piping and bottom 
piping also.) 

Do not turn over the unit without it’s shock absorber during pull out the piping.
It may cause intake grille damage.
Use shock absorber during pull out the piping to protect the intake grille from damage.

PUSH

PUSH

Piping

Intake grille

pull ou

t the

pip

ing

PUSH

PUSH

Piping

Shock absorber

pull ou

t the

pip

ing

Install the Indoor Unit

Pull out the Indoor piping

Step-2

Secure the Indoor Unit

Step-1

Step-3

Insert the connection cable

Step-4

Install the Indoor Unit

Pull out the Indoor piping

Step-2

Insert the connection cable

Step-1

Step-3

Secure the Indoor Unit

Step-4

Bend the embedded piping

• Use a spring bender or equivalent to bend the

piping so that the piping is not crushed.

• The inside and outside connection cable can be

connected without removing the front grille.

• Please refer to “Connecting the piping” column in

outdoor unit section. (Below steps are done after
connecting the outdoor piping and gas-leakage
confirmation.)

• When determining the dimensions of the piping,

slide the unit all the way to the left on the installation
plate.

• Refer to the section “Cutting and flaring the piping”.

Replace the drain hose

Step-2

Pull the connection cable into Indoor Unit

Step-1

Step-3

Cut and flare the embedded piping

Step-4

Install the Indoor Unit

Step-5

Connect the piping

Step-6

• Please refer to “Piping and finishing” column of

outdoor section and “Insulation of piping
connection” column as mentioned in indoor/outdoor
unit installation.

Insulate and finish the piping

Step-7

Secure the Indoor Unit

Step-8

To take out the unit, push the
marking at the bottom unit, and pull it
slightly towards you to disengage the
hooks from the unit.

Right Rear piping

Insert the connection cable

Cover for the
bottom piping

Tape it with piping in a

position as mentioned

in Fig. below.

Cover for
the right
piping

Piping

Drain hose

Cover for
the left
piping

Cover for the
bottom piping

Cover for the
bottom piping

Tape it with

piping in a position as

mentioned in

Fig. below.

Piping

Drain
hose

Cover
for the
left
piping

Right and Right Bottom piping

Secure the Indoor Unit

1. Press the lower left and right side

of the unit against the installation
plate until hooks engages with their
slot (sound click).

Cover for piping

In case of the cover is cut, keep the
cover at the rear of chassis as shown
in the illustration for future
reinstallation.
(Left and 2 bottom covers for piping.)

How to keep the cover

Install the indoor unit

Hook the indoor unit onto the upper
portion of installation plate. (Engage
the indoor unit with the upper edge
of the installation plate). Ensure the
hooks are properly seated on the
installation plate by moving it in left
and right.

Drain hose

Sleeve for

piping hole

Indoor unit

Hooks at

installation

plate

Piping

Installation

plate

Unit’s

hook

g

n

i

k

r

a

m

Guide
surface

Connection cable

Ab

ou

t

2

3

/

4

" -

3

5

/

32

"

(7

0-8

0

m

m

)

Connection
cable

Gas side
piping

Liquid side
piping

Drain hose

Summary of Contents for E18RKUA

Page 1: ...F 1 2 3 FAN SPEED SET CHECK CLOCK RESET AC RC ECONAVI AUTO HEAT COOL DRY FAN FAN SPEED AIR SWING AIR SWING T E M P OFF ON TIM ER SET CAN CEL ON O FF 1 2 3 CHECK WARNING This service information is designed for experienced repair technicians only and is not designed for use by the general public It does not contain warnings or cautions to advise non technical individuals of potential dangers in att...

Page 2: ...1 1 3 Indoor Outdoor Unit Installation Diagram Model Capacity Btu h Piping size Std Length Max Elevation Min Piping Length Max Piping Length Additional Refrigerant Piping Length for add gas Gas Liquid E9RKUAW 9000 3 8 9 52 mm 1 4 6 35 mm 24 6 ft 7 5 m 49 2 ft 15 m 9 8 ft 3 m 65 6 ft 20 m 0 2 oz ft 20 g m 24 6 ft 7 5 m E12RKUAW 11500 1 2 12 7 mm 1 31 32 50 mm or more 2 9 16 65 mm or more 8 ft 2 4 m...

Page 3: ...asuring tape at position as shown in the diagram above The hole center is obtained by measuring the distance namely 5 1 16 128 mm for left and right hole respectively o Drill the piping hole at either the right or the left and the hole should be slightly slanting to the outdoor side 11 2 2 To Drill a Hole in the Wall and Install a Sleeve of Piping 1 Insert the piping sleeve to the hole 2 Fix the b...

Page 4: ... Step 4 Install the Indoor Unit Step 5 Connect the piping Step 6 Please refer to Insulation of piping connection column as mentioned in indoor outdoor unit installation Insulate and finish the piping Step 7 Secure the Indoor Unit Step 8 To take out the unit push the marking at the bottom unit and pull it slightly towards you to disengage the hooks from the unit Right Rear piping Insert the connect...

Page 5: ... Piping Cable Apply putty or caulking material to seal the wall opening Connection cable Piping More than 18 1 2 470 mm More than 37 13 32 950 mm PVC tube VP 65 for piping and connection cable PVC tube for drain hose VP 30 PVC tube for drain hose VP 20 More than 27 9 16 700 mm How to insert the connection cable and drain hose in the case of left piping Cable 45 Drain hose Piping Drain hose from ma...

Page 6: ...or over inserted Conductor not fully inserted ACCEPT PROHIBITED PROHIBITED Use complete wire without joining Use approved socket and plug with earth pin Wire connection in this area must follow to national wiring rules Do not joint wires 13 32 1 16 10 1 mm Indoor outdoor connection terminal board 7 32 5 mm or more gap between wires 1 To cut 3 To flare Inclined Surface damaged Cracked Uneven thickn...

Page 7: ...of using long piping Connect the piping Align the center of piping and sufficiently tighten the flare nut with fingers Further tighten the flare nut with torque wrench in specified torque as stated in the table 11 3 2 2 Connecting the piping to outdoor Decide piping length and then cut by using pipe cutter Remove burrs from cut edge Make flare after inserting the flare nut locate at valve onto the...

Page 8: ...connect the vacuum pump house from the service port of the 3 way valve 6 Tighten the service port caps of the 3 way valve at a torque of 13 3 Ibf ft 18 N m with a torque wrench 7 Remove the valve caps of both of the 2 way valve and 3 way valve Position both of the valves to Open using a hexagonal wrench 5 32 4 mm 8 Mount valve caps onto the 2 way valve and the 3 way valve o Be sure to check for ga...

Page 9: ...e shall be Yellow Green Y G in colour and shall be longer than other lead wires as shown in the figure for electrical safety in case of the slipping 11 3 3 2 Piping Insulation 1 Please carry out insulation at pipe connection portion as mentioned in Indoor Outdoor Unit Installation Diagram Please wrap the insulated piping end to prevent water from going inside the piping 2 If drain hose or connecti...

Page 10: ...3 Indoor Outdoor Unit Installation Diagram Model Capacity Btu h Piping size Std Length Max Elevation Min Piping Length Max Piping Length Additional Refrigerant Piping Length for add gas Gas Liquid E18RKUA 17200 1 2 12 7 mm 1 4 6 35 mm 24 6 ft 7 5 m 49 2 ft 15 m 9 8 ft 3 m 100 0 ft 30 5 m 0 3 oz ft 25 g m 32 8 ft 10 m E24RKUA 24000 5 8 15 88 mm 2 9 16 65 mm or more 8 ft 2 4 m or more Left and right...

Page 11: ...uring tape at position as shown in the diagram above The hole center is obtained by measuring the distance namely 5 1 16 128 mm for left and right hole respectively o Drill the piping hole at either the right or the left and the hole should be slightly slanting to the outdoor side 12 2 2 To Drill a Hole in the Wall and Install a Sleeve of Piping 1 Insert the piping sleeve to the hole 2 Fix the bus...

Page 12: ...r Unit Step 5 Connect the piping Step 6 Please refer to Piping and finishing column of outdoor section and Insulation of piping connection column as mentioned in indoor outdoor unit installation Insulate and finish the piping Step 7 Secure the Indoor Unit Step 8 To take out the unit push the marking at the bottom unit and pull it slightly towards you to disengage the hooks from the unit Right Rear...

Page 13: ...same procedure Sleeve for piping hole Drain hose Piping Connection cable More than 45 9 32 1150 mm Replace the drain hose Indoor unit drain hose 3 4 20 mm nominal PVC pipe Install incline downward more than 1 Apply PVC glue at the join Drain hose adapter 9 Close join by Vinyl Tape Join indoor drain hose to 3 4 20 mm nominal PVC pipe size by using drain hose adapter 9 when necessary Drain hose adap...

Page 14: ...or over inserted Conductor not fully inserted ACCEPT PROHIBITED PROHIBITED Use complete wire without joining Use approved socket and plug with earth pin Wire connection in this area must follow to national wiring rules Do not joint wires 13 32 1 16 10 1 mm Indoor outdoor connection terminal board 7 32 5 mm or more gap between wires 1 To cut 3 To flare Inclined Surface damaged Cracked Uneven thickn...

Page 15: ...f using long piping Connect the piping Align the center of piping and sufficiently tighten the flare nut with fingers Further tighten the flare nut with torque wrench in specified torque as stated in the table 12 3 2 2 Connecting the piping to outdoor Decide piping length and then cut by using pipe cutter Remove burrs from cut edge Make flare after inserting the flare nut locate at valve onto the ...

Page 16: ... port of the 3 way valve 6 Tighten the service port caps of the 3 way valve at a torque of 13 3 Ibf ft 18 N m with a torque wrench 7 Remove the valve caps of both of the 2 way valve and 3 way valve Position both of the valves to Open using a hexagonal wrench 5 32 4 mm 8 Mount valve caps onto the 2 way valve and the 3 way valve o Be sure to check for gas leakage Hall Union Flare Nut Pipe Size Reduc...

Page 17: ...it Earth lead wire shall be Yellow Green Y G in colour and longer than other lead wires for electrical safety in case of the slipping 12 3 3 2 Piping Insulation 1 Please carry out insulation at pipe connection portion as mentioned in Indoor Outdoor Unit Installation Diagram Please wrap the insulated piping end to prevent water from going inside the piping 2 If drain hose or connecting piping is in...

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