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Panasonic E18RKUA, Installation Manual, Page: 9 / 17

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Panasonic E18RKUA Installation Manual Download Page 9

40 

11.3.3.1  Connect the Cable to the Outdoor Unit 

1. Remove Top panel.
2. Remove Control Board Cover (Resin and

Metal).

3. Remove Plugs.
4. Fix the conduit connectors to the knockout

holes with lock-nuts, then secure them against
the side panel.

5. All wires pass through conduits.
6. Connection cable between indoor unit and

outdoor unit should be UL listed or CSA
approved 4 conductor wires minimum AWG16
in accordance with local electric codes.

7. Wire connection to the power supply

(208/230V 60Hz) through circuit breaker.

o

Connect the UL listed or CSA approved
wires minimum AWG14 to the terminal
board, and connect the other end of the
wires to ELCB / GFCI.

8. Connect the power supply cord and

connection cable between indoor unit and
outdoor unit according to the diagram below.

9. Secure the wire onto the control board with

the holder (clamper).

10. After completing wiring connections, reattach

the control board cover (Metal and Resin) and
the top panel to the original position with the
screws.

11. For wire stripping and connection requirement,

refer to instruction 11.2.5 of indoor unit.

š

Earth lead wire 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 connecting piping is in the room (where dew may form), please increase the insulation by

using POLY-E FOAM with thickness 1/4" (6 mm) or above.

Control Board
Metal Cover

Top Panel

Power
Supply
Wires

Lock Nuts

Knockout
Holes

Plugs

Side Panel

Connectors

Control Board
Cover (Resin)

Outdoor Unit

1
2
3

1
2

L1
L2

3

l

a

n

i

m

r

e

T

l

a

n

i

m

r

e

T

Indoor Unit

Disconnect
Switch
Field supply

Grounding wire

Grounding wire min AWG16

* Ensure all connecting wire

between indoor unit and
outdoor unit and power supply
cord are installed in individual
conduit.

Power Supply
Single Phase
208/230V 60Hz
min AWG14

208/230V min AWG16

208/230V min AWG16

208/230V min AWG16

WARNING

This equipment must be properly earthed.

Holder

L1 L2

1

2

3

Power

supply

cord

Indoor &

outdoor

connection

cable

Terminal

Board

Earth wire
longer than
others AC
wires for
safety
reason

Earth wire
longer than
others AC
wires for
safety
reason

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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