Panasonic E12NKUAW, E9NKUAW Installation Manual

F615169

Required tools for Installation Works

1	Philips screw driver	7	Reamer	13	Multimeter		47.9 Ibf.ft
2	Level gauge	8	Knife	14	Torque wrench		73.8 Ibf.ft
3	Electric drill, hole core drill (ø2 3/4")	9	Gas leak detector		13.3 Ibf.ft	15	Vacuum pump
4	Hexagonal wrench (5/32")	10	Measuring tape		31.0 Ibf.ft	16	Digital Micron Gauge
5	Spanner	11	Thermometer		40.6 Ibf.ft
6	Pipe cutter	12	Megameter

SAFETY PRECAUTIONS

•Read the following “SAFETY PRECAUTIONS” carefully before installation.

•Electrical work must be installed by a licensed electrician. Be sure to use the correct rating of the power plug and main circuit for the model to be installed.

•The caution items stated here must be followed because these important contents are related to safety. The meaning of each indication used is as below. Incorrect installation due to ignoring of the instruction will cause harm or damage, and the seriousness is classified by the following indications.

WARNING This indication shows the possibility of causing death or serious injury.

CAUTION This indication shows the possibility of causing injury or damage to properties only.

The items to be followed are classifi ed by the symbols:

Symbol with white background denotes item that is PROHIBITED.

Symbol with dark background denotes item that must be carried out.

•Carry out test running to confi rm that no abnormality occurs after the installation. Then, explain to user the operation, care and maintenance as stated in instructions. Please remind the customer to keep the operating instructions for future reference.

WARNING

Do not install outdoor unit near handrail of veranda. When installing air-conditioner unit on veranda of a high rise building, child may climb up to outdoor unit and cross over the handrail causing an accident.

Do not use unspecifi ed cord, modifi ed cord, joint cord or extension cord for power supply cord. Do not share the single outlet with other electrical appliances. Poor contact, poor insulation or over current will cause electrical shock or fi re.

Do not tie up the power supply cord into a bundle by band. Abnormal temperature rise on power supply cord may happen.

Do not insert your fi ngers or other objects into the unit, high speed rotating fan may cause injury.

Do not sit or step on the unit, you may fall down accidentally.

Keep plastic bag (packaging material) away from small children, it may cling to nose and mouth and prevent breathing.

When installing or relocating air conditioner, do not let any substance other than the specifi ed refrigerant, eg. air etc mix into refrigeration cycle (piping). Mixing of air etc will cause abnormal high pressure in refrigeration cycle and result in explosion, injury etc.

Do not add or replace refrigerant other than specifi ed type. It may cause product damage, burst and injury etc.

•For R410A model, use piping, fl are nut and tools which is specifi ed for R410A refrigerant. Using of existing (R22) piping, fl are nut and tools may cause abnormally high pressure in the refrigerant cycle (piping), and possibly result in explosion and injury.

• Thickness or copper pipes used with R410A must be more than 1/32". Never use copper pipes thinner than 1/32".

• It is desirable that the amount of residual oil is less than 0.0008 oz/ft..

Engage authorized dealer or specialist for installation. If installation done by the user is incorrect, it will cause water leakage, electrical shock or fi re.

Install according to this installation instructions strictly. If installation is defective, it will cause water leakage, electrical shock or fi re.

Use the attached accessories parts and specifi ed parts for installation. Otherwise, it will cause the set to fall, water leakage, fi re or electrical shock.

Install at a strong and fi rm location which is able to withstand the set’s weight. If the strength is not enough or installation is not properly done, the set will drop and cause injury.

For installation work, follow all electrical, building, plumbing, local codes, regulations and these installation instructions. If electrical circuit capacity is not enough or a defect is found in electrical work, it will cause electrical shock or fi re.

Do not use spliced wires for indoor / outdoor connection cable. Use the specifi ed indoor / outdoor connection cable, refer to instruction 5 INDOOR/OUTDOOR UNIT ELECTRICAL WIRING and connect tightly for indoor/outdoor connection. Clamp the cable so that no external force will have impact on the terminal. If

connection or fi xing is not perfect, it will cause heat-up or fi re at the connection.

Wire routing must be properly arranged so that control board cover is fi xed properly. If control board cover is not fi xed perfectly, it will cause fi re or electrical shock.

This equipment must installed with an Earth Leakage Circuit Breaker (ELCB) or Ground Fault Current Interrupter (GFCI) or Appliance Leakage Current Interrupter (ALCI) that has been certifi ed by an NRTL Certifi ed Testing Agency and that is suitable for the voltages and amperages involved. Otherwise, if may cause electrical shock and fi re in case of equipment breakdown.

During installation, install the refrigerant piping properly before running the compressor. Operation of compressor without fi xing refrigeration piping and valves at opened condition will cause suck-in of air, abnormal high pressure in refrigeration cycle and result in explosion, injury etc.

During pump down operation, stop the compressor before removing the refrigeration piping. Removal of refrigeration piping while compressor is operating and valves are opened will cause suck-in of air, abnormal high pressure in refrigeration cycle and result in explosion, injury etc.

Tighten the fl are nut with torque wrench according to specifi ed method. If the fl are nut is over-tightened, after a long period, the fl are may break and cause refrigerant gas leakage.

After completion of installation, confi rm there is no leakage of refrigerant gas. It may generate toxic gas when the refrigerant comes into contact with fi re.

Ventilate if there is refrigerant gas leakage during operation. It may cause toxic gas when the refrigerant comes into contact with fi re.

This equipment must be properly earthed. Earth line must not be connected to gas pipe, water pipe, earth of lightning rod and telephone. Otherwise, it may cause electrical shock in case of equipment breakdown or insulation breakdown.

CAUTION

Do not install the unit at place where leakage of fl ammable gas may occur. In case gas leaks and accumulates at surrounding of the unit, it may cause fi re.

Do not release refrigerant during piping work for installation, re-installation and during repairing a refrigeration parts. Take care of the liquid refrigerant, it may cause frostbite.

Do not install this appliance in a laundry room or other location where water may drip from the ceiling, etc.

Do not touch the sharp aluminium fi n, sharp parts may cause injury.

Carry out drainage piping as mentioned in installation instructions. If drainage is not perfect, water may enter the room and damage the furniture.

Select an installation location which is easy for maintenance.

Power supply connection to the room air conditioner.

Power supply cord shall be UL listed or CSA approved 3 conductor with minimum AWG14 wires.

Power supply point should be in an easily accessible place for power disconnection in case of emergency.

In some countries, permanent connection of this air conditioner to the power supply is prohibited.

Fix power supply connection to a circuit breaker for permanent connection.

Use NRTL approved fuse or circuit breaker (rating refers to name plate) for permanent connection.

Installation work.

It may take two people to carry out the installation work.

•IMPORTANT

This product has been designed and manufactured to meet ENERGY STAR® criteria for energy efficiency when matched with appropriate coil components. However,

proper refrigerant charge and proper air flow are critical to achive rated capacity and efficiency. Installation of this product should follow the manufacturer’s refrigerant charging and air flow instructions. Failure to confirm proper charge and airflow may reduce energy efficiency and shorten equipment life.

Attached accessories

No.	Accessories part	Qty.	No.	Accessories part		Qty.
	Installation plate			Remote control
1		1	5 holder			1
	Installation plate fixing			Remote control holder
2 screw		5	6 fixing screw			2
	Remote	1		Drain elbow		1
3 Control			7
4	Battery	2	8	Air purifying filter		1
	Applicable piping kit			Piping size
			Gas		Liquid
	CZ-3F5, 7BP	3/8" (9.52 mm)			1/4" (6.35 mm)
	CZ-4F5, 7, 10BP	1/2" (12.7 mm)			1/4" (6.35 mm)
	CZ-52F5, 7, 10BP	5/8" (15.88 mm)			1/4" (6.35 mm)

•Pipe size reducer (CZ-MA1P) for outdoor Multi connection CS-E12NKUAW

SELECT THE BEST LOCATION

INDOOR UNIT

 Do not install the unit in excessive oil fume area such as kitchen, workshop and etc.

 There should not be any heat source or steam near the unit.  There should not be any obstacles blocking the air circulation.  A place where air circulation in the room is good.

 A place where drainage can be easily done.

 A place where noise prevention is taken into consideration.  Do not install the unit near the door way.

 Ensure the spaces indicated by arrows from the wall, ceiling, fence or other obstacles.

 Recommended installation height for indoor unit shall be at least 8.2 ft.

OUTDOOR UNIT

 If an awning is built over the unit to prevent direct sunlight or rain, be careful that heat radiation from the condenser is not obstructed.

 There should not be any animal or plant which could be affected by hot air discharged.

 Keep the spaces indicated by arrows from wall, ceiling, fence or other obstacles.

 Do not place any obstacles which may cause a short circuit of the discharged air.

 If piping length is over the [piping length for additional gas], additional refrigerant should be added as shown in the table.

 Recommended installation height for outdoor unit should be above the seasonal snow level.

			Piping size		Std.	Max.	Min.	Max.	Additional	Piping
		Capacity					Piping	Piping	Refrigerant	Length
	Model	(Btu/h)	Gas	Liquid	Length	Elevation	Length	Length	(oz/ft)	for add.
					(ft)	(ft)	(ft)	(ft)		gas (ft)
	E9NKUAW	8500	3/8"	1/4"	24.6	49.2	9.8	65.6	0.2	24.6
	E12NKUAW	12000	1/2"			49.2	9.8	65.6	0.2	24.6

Example: For E9NKUAW

If the unit is installed at 32.8 ft distance, the quantity of additional refrigerant should be 1.64 oz .... (32.8 - 24.6) ft x 0.2 oz/ft = 1.64 oz.

Indoor/Outdoor Unit Installation Diagram

Piping direction		Do not bend up
	(Front side)	drain hose
Right
Rear	Left
Right Left
bottom Rear	Left bottom
		/9"16 more
		2 or

1 31/32" or more

(Left and right are identical)

Insulation of piping connections

•Carry out insulation after checking for gas leaks and

secure with vinyl tape.

 Vinyl tape

Attaching the remote control holder to the wall

Remote control holder fi xing screws 6

Remote control 3

Installation parts you should purchase ()

Installation plate 1

Bushing-Sleeve ()

Sleeve ()

Putty ()

(Gum Type Sealer)

Bend the pipe as closely on the wall as possible, but be careful that it doesn’t break.

Vinyl tape (wide) ()

• Apply after carrying out a drainage test.

• To carry out the drainage test, remove the air fi lters and pour water into the heat exchanger.

Saddle ()

Remote control holder 5
								"			Conduit
	3	15			15						(Power supply cord ())
						/	more
							16
	or	/		3		or
It is advisable to		more									Conduit
			16"
avoid more than 2											(Connection cable)
blockage directions.											Liquid side piping ()
For better ventilation
& multiple-outdoor			"								Gas side piping ()
installation, please			/8
			3
consult authorized		39 more									Additional drain hose ()
dealer/specialist.			or
								11			Control Board cover
										13
• This illustration is for								or
										/
explanation purposes only.										16"
									more
The indoor unit will actually face

a different way.

INDOOR UNIT

	1	SELECT THE BEST LOCATION
		(Refer to “Select the best location” section)

2 HOW TO FIX INSTALLATION PLATE

The mounting wall shall be strong and solid enough to prevent it from the vibration.

Wall		Wall	Wall
	More than 1		More than 1
	2 screw	More than	Indoor unit
		2

9 17/32"	Installation	9 1/4"
Measuring	plate 1
Tape
5 1/16"		5 1/16"

Model			Dimension
	1	2	3	4	5	6
E9NKUAW, E12NKUAW	19 3/32"	3 7/32"	6 1/2"	6 7/32"	1 11/16"	3 3/4"

The center of installation plate should be at more than 1 at right and left of the wall. The distance from installation plate edge to ceiling should more than 2.

From installation plate left edge to unit’s left side is 3. From installation plate right edge to unit’s right is 4.

b: For left side piping, piping connection for liquid should be about 5 from this line. : For left side piping, piping connection for gas should be about 6 from this line.

1.Mount the installation plate on the wall with 5 screws or more (at least 5 screws). (If mounting the unit on the concrete wall, consider using anchor bolts.)

•Always mount the installation plate horizontally by aligning the marking-off line with the thread and using a level gauge.

2.Drill the piping plate hole with ø2 3/4" hole-core drill.

•Line according to the left and right side of the installation plate.The meeting point of the extended line is the center of the hole. Another method is by putting measuring tape at position as shown in the diagram above. The hole center is obtained by measuring the distance namely 5 1/16" for left and right hole respectively.

•Drill the piping hole at either the right or the left and the hole should be slightly slanting to the outdoor side.

4 INDOOR UNIT INSTALLATION

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

1.FOR THE RIGHT REAR PIPING

Step-1 Pull out the Indoor piping

Step-2 Install the Indoor Unit

Step-3 Secure the Indoor Unit

Step-4 Insertcable the connection

2.FOR THE RIGHT BOTTOM PIPING

Step-1 Pull out the Indoor piping

Step-2 Install the Indoor Unit

Step-3 Insertcable the connection

Right Rear piping

Tape it with piping in a position as

mentioned in Fig. below.

		Piping
		Cover for the	Cover
			for the
	Drain	bottom piping
			left
	hose	Cover for the	piping
		bottom piping

	How to keep the cover		Cover for piping
	In case 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.)
	Right and Right Bottom piping
	Tape it with piping in a
	position as mentioned in
	Fig. below.
		Piping
			Cover for the	Cover for
		Cover for		the left
			bottom piping
	Drain hose	the right		piping

piping

Step-4 Secure the Indoor Unit

3 TO DRILL A HOLE IN THE WALL AND

INSTALL A SLEEVE OF PIPING

1.	Insert the piping sleeve to the hole.	Wall
2.	Fix the bushing to the sleeve.
3.	Cut the sleeve until it extrudes about	Indoor	Outdoor
	19/32" from the wall.
	CAUTION		19/32"
		Sleeve for
	When the wall is hollow, please be sure
		tube
	to use the sleeve for tube assembly to	assembly
	prevent dangers caused by mice biting
	the connection cable.		Approx. 7/32" - 9/32"
4.	Finish by sealing the sleeve with putty
	or caulking compound at the final stage.		Bushing for tube
			assembly
		ø2 3/4" mm through
		hole	Putty or caulking compound

5 CONNECTUNIT THE CABLE TO THE INDOOR

	1. The inside and outside connection cable can be connected						Conduit
	without removing the front grille.
	2. Unscrew the conduit cover and fi x the conduit connector to						Connector
								Conduit
	conduit cover with lock nut, then secure it against chassis.
	3. Connection cable between indoor unit and outdoor unit should							Cover
							Lock Nut
	be UL listed or CSA approved 4 conductor wires minimum
	AWG16 in accordance with local electric codes.
	• Ensure the colour of wires of outdoor unit and terminal number							Chassis
	are the same as the indoor's repectively.
	Terminals on the indoor unit		1	2	3
	Colour of wires (connection cable)						Rear Side of Indoor Unit
	Terminals on the outdoor unit		1	2	3
								Terminal
		WARNING						Board
	This equipment must be properly earthed.							Earth wire
								longer than
	• Earth lead wire shall be Yellow/Green (Y/G) in colour and							others
								AC wires
						Indoor and		for safety
	shall be longer than other lead wires as shown in the
	fi gure for electrical safety in case of slipping.					outdoor		reason
						connection
								Holder
						cable
	WIRE STRIPPING AND CONNECTING REQUIREMENT
	Wire stripping				Conductor		Conductor	Conductor not
		Indoor/outdoor
	± 1/16”				fully inserted		over inserted	fully inserted
		connecting
		terminal board
	13/32”	7/32"
		or more			ACCEPT		PROHIBITED	PROHIBITED
	No loose strand when inserted	(gap between

wires)

CUTTING AND FLARING THE PIPING

1. Please cut using pipe cutter and then remove the burrs.

2. Remove the burrs by using reamer. If burrs are not removed, gas leakage may be caused. Turn the piping end down to avoid the metal powder entering the pipe.

3. Please make fl are after inserting the fl are nut onto the copper pipes.

Improper fl aring 

	Pipe		Handle
	Reamer				0 – 1/32"
		Bar	Yoke	Bar
						Inclined Surface Cracked	Uneven
			Core
						damaged	thickness
	Point down	Clamp handle	Red arrow mark		Copper	When properly flared, the internal surface of the
						flare will evenly shine and be of even thickness.
					pipe
1. To cut		3. To fl are				Since the flare part comes into contact with the
	2. To remove burrs
						connections, carefully check the flare finish.

Install the indoor unit

3. FOR THE EMBEDDED		Hook the indoor unit onto the		Hooks at
				installation
PIPING
		upper portion of installation		plate
Step-1	Replace the drain hose	plate. (Engage the indoor unit		Sleeve for
		with the upper edge of the
				piping hole
		installation plate). Ensure the
				Piping
		hooks are properly seated
	Bend the embedded	on the installation plate by
Step-2		moving it in left and right.	Indoor unit	Drain hose
	piping

•Use a spring bender or equivalent to bend the piping so that the piping is not crushed.

Step-3 Pull the connection cable into Indoor Unit

•The inside and outside connection cable can be connected without removing the front grille.

Step-4 Cut and flare the

embedded piping

•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 fl aring the piping”.

Step-5 Install the Indoor Unit

Step-6 Connect the piping

•Please refer to “Connecting the piping” column in outdoor unit section. (Below steps are done after connecting the outdoor piping and gas-leakage confirmation.)

Step-7 Insulatepiping and finish the

•Please refer to “Insulation of piping connection” column as mentioned in indoor/outdoor unit installation.

Step-8 Secure the Indoor Unit

Secure the Indoor Unit

1. Press the lower left and right side of the unit against the installation plate until hooks engage with their slot (sound click).

	Unit’s	Installation
		plate
	hook

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

Insert the connection cable
	Connection
23	cable
"About		Gas side
4
/		piping
3
-
5
/		Liquid side
"
32
		piping

	Guide	Connection cable	Drain hose
	surface

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

Replace the drain hose
Rear view for left piping installation
		Connection
	Drain hose	cable
		Piping
			9/32"
Drain hose	Connection	More than 45
	cable	Drain hose
Drain cap
	Adjust the piping
	slightly downwards.	Sleeve for piping hole

• How to pull the piping and drain hose out, in case			• How to insert the connection cable
of embedded piping.			and drain hose in the case of left
Apply putty or	than		piping.
caulking material	"
to seal the wall	More9/32
	45	Connection
opening.		cable
"
9/16		Piping
27			45°
than	More1/2"	Drain hose
	than
More	18	from main unit
	PVC tube (VP-65) for piping		Drain
PVC tube for	and connection cable		hose
	PVC tube for drain hose (VP-30)
drain hose (VP-20)
PVC tube	Cable		Cable
for drain			Piping
hose	Piping
			 (For right piping, follow the same
	Indoor unit		procedure)

2 27/32"

OUTDOOR UNIT

1	SELECT THE BEST LOCATION
	(Refer to “Select the best location” section)

2 INSTALL THE OUTDOOR UNIT

•After selecting the best location, start installation to Indoor/Outdoor Unit Installation Diagram.

1.Fix the unit on concrete or rigid frame fi rmly and horizontally with a bolt nut (ø 13/32").

2.When installing at roof, please consider strong wind and earthquake. Please fasten the installation stand fi rmly with bolt or nails.

A B

C

Model	A	B	C	D
E9NKUA, E12NKUA	22 7/16"	4 1/8"	23/32"	12 19/32"

D

5 CONNECTUNIT THE CABLE TO THE OUTDOOR

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 lunit 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.

•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.

	Top Panel
	Power
Control Board	Supply
	Wires
Metal Cover	Lock Nuts

Control Board

Cover (Resin)

Knockout

Holes

Plugs

Side Panel

Connectors

3 CONNECT THE PIPING

Connecting The Piping to Indoor

	Please make fl are after inserting fl are nut (locate at joint	Do not over tighten, overtightening may cause gas leakage.
	portion of tube assembly) onto the copper pipe. (In case
	of using long piping)	Piping size	Torque
		1/4"	13.3 Ibf.ft
	Connect the piping
		3/8"	31.0 Ibf.ft
	 Align the center of piping and suffi ciently tighten the
		1/2"	40.6 Ibf.ft
	fl are nut with fi ngers.
		5/8"	47.9 Ibf.ft
	 Further tighten the fl are nut with torque wrench in
	specified torque as stated in the table.	3/4"	73.8 Ibf.ft

Connecting The Piping to Outdoor

Decide piping length and then cut by using pipe cutter.

	Remove burrs from cut edge.	Spanner
		or Wrench
	Make fl are after inserting the fl are nut (locate at valve) onto
		Torque
	the copper pipe.
	Align center of piping to valve and then tighten with torque	wrench
	wrench to the specified torque as stated in the table.

Connecting The Piping to Outdoor Multi

Decide piping length and then cut by using pipe cutter. Remove burrs from cut edge. Make fl are after inserting the fl are nut (locate at valve) onto the copper pipe.

Align center of piping to valve and then tighten with torque wrench to the specified torque as stated in the table.

Male side	Hall Union
(Auxiliary pipe)
	Wrench
(Adjustable Wrench)
	Hall Union

Male side

(Auxiliary pipe)

Wrench

(Adjustable Wrench)

Torque Wrench for Flare

Nut and Pipe Size Reducer

Gas Leak Checking

Flare Nut	Female side

			Applicable to
		(Connection pipe)	Liquid and Gas side of
			CS-E9NKUAW
			Liquid side of
			CS-E12NKUAW
		Torque Wrench for Flare Nut
		Pipe Size	Flare Nut
	Packing
		Reducer	Female side
			(Connection pipe)

Applicable to

Gas side of

CS-E12NKUAW

Pressure test to system to 400 PSIG with dry nitrogen, in stages. Thoroughly leak check the system. If the pressure holds, release the nitrogen and proceed to section 4.

Terminals on the indoor unit			1	2	3
Colour of wires (connection cable)
Terminals on the outdoor unit	L1	L2	1	2	3	Terminal
(power supply cord)						Board

Earth wire

POWER SUPPLY

longer

Earth wire

than other

longer

9. Secure the wire onto the control board with the

AC wires

than other

holder (clamper).

for safety

AC wires

reasons

for safety

10.After completing wiring connections, reattach the

reasons

control board cover (Metal and Resin) and the top

panel to the original position with the

Holder

screws.

11.For wire stripping and connection requirement, refer

to instruction 5 of indoor unit.

Power

Indoor &

outdoor

supply

connection

cord

WARNING

cable

This equipment must be properly earthed.

•Earth lead wire shall beYellow/Green (Y/G) in colour and should be longer than other lead wires as shown in the fi gure for electrical safety in case of slipping.

6 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” or above.

Air purifying filter 8

INSTALLATION OF AIR PURIFYING FILTER

1.	Open the front panel.	1
2.	Remove the air fi lters.
3.	Put the Air purifying fi lter into place as shown in illustration at right.

2

Air filter

3

4 EVACUATION OF THE EQUIPMENT

WHEN INSTALLING AN AIR CONDITIONER, BE SURE TO EVACUATE THE AIR INSIDE THE INDOOR UNIT AND PIPES in the following procedure.

Indoor unit

Liquid side

Two-way valve

Outdoor unit

Close

Gas side

Three-way valve

Close

Vacuum

pump

1. Connect a charging hose with a push pin to the Low side of a charging set and the service port of the 3-way valve.

2. Connect the micron gauge between vacuum pump and service port of outdoor units.

3. Turn on the power switch of the vacuum pump and make sure that connect digital micron gauge and to pull down to a value of 500 microns.

4. To make sure micron gauge a value 500 microns and close the low side valve of the charging set and turn off the vacuum pump.

5. Disconnect 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 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").

8. Mount valve caps onto the 2-way valve and the 3-way valve.

• Be sure to check for gas leakage.

• If micron gauge value does not descend 500 microns, take the following measures:

- If the leak stops when the piping connections are tightened further, continue working from step 3. - If the leak does not stop when the connections are retightened, repair location of leak.

- Do not release refrigerant during piping work for installation and reinstallation. - Be careful with the liquid refrigerant, it may cause frostbite.

DISPOSAL OF OUTDOOR UNIT DRAIN WATER

• If a drain elbow is used, the unit should be placed on a stand which is taller than 1 3/16".

• If the unit is used in an area where temperature falls below 32°F for 2 or 3 days in succession, it is recommended not to use a drain elbow, for the drain water freezes and the fan will not rotate.

Drain elbow 7

Hose

Install the hose at an angle so that the water smoothly flows out.

HOW TO TAKE OUT FRONT GRILLE

Please follow the steps below to take out front grille if necessary such as when servicing.

1.Set the vertical airfl ow direction louvers to the horizontal position.

2.Slide down the 2 caps on the front grille as shown in the illustration at right, and then remove the 2 mounting screws.

3. Pull the lower section of the front grille towards you to remove the front

grille.	Front grille	Cap
When reinstalling the front grille, fi rst	Vane
set the vertical airfl ow direction louver
to the horizontal position and then carry
out above steps 2 - 3 in the reverse	(Move the vane
order.
	to upward)	Cap

AUTO SWITCH OPERATION

The below operations will be performed by pressing the “AUTO” switch.

1.AUTO OPERATION MODE

The Auto operation will be activated immediately once the Auto Switch is pressed

and release before 5 sec..

2. TEST RUN OPERATION (FOR PUMP DOWN/SERVICING PURPOSE)

The Test Run operation will be activated if the Auto Switch is pressed continuously for more than 5 sec. to below 8 sec..

A “pep” sound will occur at the fi fth sec., in order to identify the starting of Test Run operation.

3.HEATING TRIAL OPERATION

Press the “AUTO” switch continuously for more than 8 sec. to below 11 sec. and release when a “pep pep” sound is occured at eight sec. (However, a “pep” sound is heard at fi fth sec..) then press Remote controller “A/C Reset” button once. Remote controller signal will activate operation force heating mode.

4.REMOTE CONTROLLER RECEIVING SOUND ON/OFF

The ON/OFF of Remote controller receiving sound can be changed by the following steps:

a)Press “AUTO” switch continuously for more than 16 sec. to below 21 sec.. A “pep”, “pep”, “pep”, “pep” sound will occur at the sixteenth sec..

b)Press the “A/C Reset” button once. Remote controller signal will activate the Remote controller sound setting mode.

c)Press the “AUTO” switch once to select Remote controller receiving sound ON/OFF. A “pep” sound indicates receiving sound ON, and a “pep” sound indicates receiving sound OFF.

CHECK THE DRAINAGE

• Open front panel and remove air fi lters.

(Drainage checking can be carried out without removing the

•	front grille.)	Drain
	Pour a glass of water into the drain tray-styrofoam.	tray-
•	Ensure that water fl ows out from drain hose of the indoor unit.	styrofoam

Vane

EVALUATION OF THE PERFORMANCE

Screw

• Operate the unit at cooling/heating operation mode for fi fteen minutes or more.

• Measure the temperature of the intake and discharge air.

•Ensure the difference between the intake temperature and the discharge is more than 46.4°F during Cooling

operation or more than 57.2°F during Heating operation.

Discharge air

CHECK ITEMS

Is there any gas leakage at flare nut		Is the indoor unit properly hooked to the
connections?		installation plate?
Has the heat insulation been carried out at flare		Is the power supply voltage complied with rated
nut connection?		value?
Is the connection cable being fixed to terminal		Is there any abnormal sound?
board firmly?		Is the cooling/heating operation normal?
Is the connection cable being clamped firmly?		Is the thermostat operation normal?
Is the drainage ok?		Is the remote control’s LCD operation normal?
(Refer to “Check the drainage” section)		Is the Air purifying filter installed?
Is the earth wire connection properly done?

ENGLISH

F615169

PRINTED IN MALAYSIA