Termal HSFL 411 XMR, HSFL 531 XMR, HCNL 821 XMR Service Manual

MULTI FRIENDLY Air Conditioning Systems

Convertible type Indoor Units:

HSFL 411 XMR HSFL 531 XMR

HCNL 821 XMR

Outdoor Unit:

SERVICE MANUAL

-2-

1. Description of products & features

1.1 Brief Introduction for T1 working condition

1.2 Operating Range of Air Conditioners

Working temperature range

Rated Maximum Minimum

Indoor

DB℃

27 32 18

WB℃

19 23 14

outdoor

DB℃

35 43 10

Cooling

WB℃

24 26 6

Indoor

DB℃

20 27 15

WB℃

14.5 -- --

outdoor

DB℃

7 24 -15

Heating

WB℃

6 18 --

Climate type

ype of

Air Conditioner Cooling Only 18 ℃~43℃

Heat pump -7℃~43℃

Electricity Heating ~43℃

-3-

1.3 Product features

Highly efficient, can match with the universal outdoor unit

The outdoor unit can match with cassette, wall mounted type, duct, console and ceiling floor type indoor unit. One set outdoor can match with multiple indoor units, up to 4 sets. Even when you have already installed the air conditioner, if you want to add or reduce one unit, go ahead freely as long as your operation complies with our design. Greatly convenient for designer and installer.

Total indoor load can be up to 135% than the standard match

The total capacity of all indoor units can be 135% more than the nominal cooling capacity, but the

total indoor cooling capacity will not be increased.

Adopt the much friendlier refrigerant R410A

The air conditioner system adopts the greatly friendly refrigerant R410A, which is protective for the

ozone layer and is good to avoid the earth getting warmer. Benefit for the environment.

Adopt the advanced DC inverter technology

The system adopts the advanced DC inverter technology, which can consume less power energy to

realize the equal efficiency, saving money for you.

With air inlet filter, enhance the air quality

The high efficiency filter can collect the dirt and remove the bacterium, which can be installed on the

easy-to-unload place, convenient to be cleaned.

Convenient infrared remote controller

This remote controller YR-H71 can realize the oprional healthy air flow and sterilize function, it is mobile type appearance, so smart and compact.

And the infrared controller can be equipped with the controller holder, convenient to fix

the remote controller.

Auto–restart function (optional)

All indoor units have auto-restart function. When the power supply cut off suddenly, the unit will

automatically recover the previous running mode once the power supply is on.

-4-

Self-diagnostic function

In the course of operation, if the failure occurs, the failure code will display on the wired controller or

on the operation panel. Then according to the failure code chart, you can eliminate the failure soon.

Central control function, if connected with a central controller

(This device will be available in the near future). That is convenient for building management.

Weekly timing function, if connected with a detector and a weekly timer

Adjustable heating temperature compensation

In heating and in cooling mode, the temperature compensation can be adjusted by the infrared remote.

controller. If you do not want the compensation, you can set the compensation as 0°C (factory setting).

Optional wired controller YR-E12

The wired controller YR-E12 can control a single unit individually, also it can control some units in

group of 16 indoor units. with plenty of functions: refer to the controller function section.

-5-

2.1 Outdoor Unit

——

Cooling Heating

W 8000 10000 W 2480 2580

W/W

3.22 3.87

W 1500 1800 W 550 550 W

9500 11500

3800 3800

——

A 16.8 16.8

—— 99% 99%

A Model / Manufacture —— Oil charge and type —— Type —— Number —— Type × Number —— Speed r/min Motor output power W Air-flows (H/M/L) m³/h Type / Diameter mm Face area m² External mm Package mm

—— ——

W Noise level H/M/L dB(A) Weight Net / Shipping kg / kg

Type / Charge kg No need to recharge m Recharge g/m Liquid mm Gas mm

——

Drop between IU & OU

Piping length between IU & OU

Total liquid piping length

m Max.Drop between IU &OU m Max.Drop between IU & IU m Max.Piping length between IU & OU m Max.Total length

Connecting method

Flared

Between I.D &O.D

≤5 ≤10 ≤40

10(indoor unit lower than outdoor unit)

15 (indoor unit higher than outdoor unit)

25 60

58/-/-

74 / 89

Piping

Refrigerant R410A / 2.6

40 20

Pipe 4* Φ6.35

4* Φ9.52

Defrosting method

Automatic by reversible cycle

Crankcase heater power

Dimension (L×W×H)

1068x340x830 1100x440x979

Refrigerant control method

EEVs

about 4000

Heat exchanger TP2M / 7.0

about 0.75

Outdoor unit

Compressor TNB220FLBM1/MITSUBISHI ELEC.

670CC

Twin Rotary (DC inverter)

Fan Axial × 1

850/700/500

Max.Running current Power factor(under rating power input) Fuse size (recommended size)

Maximum capacity Maximum power input Power source

1PH, 220-230V~, 50Hz

1. The above performance data are from the combination of HCNL 821 XMR+3*HKEL 201 XMR+1*HSF 411 XMR.

2. Large drop and long piping installation will obviously reduce the total capacity.

Item Model HCNL 821 XMR

Function Rating capacity Power input EER / COP Minimum capacity Minimum power input

-6-

-7-

—— Cooling Heating Cooling Heating

W 4100 4600 5000 5500

10‐³×m³/h

1.6 / 2 / —— ——

N, V, Hz

A 0.45 0.45 0.45 0.45 Type × Number —— Speed r/min Motor power W Air-flows (H/M/L) m³/h Type / Diameter mm Total area m² Temp. scope

℃

External mm Package mm

Drainage pipe material, diameter mm

—— ——

—— Noise level H/M/L dB(A) Weight Net / Shipping kg / kg Refrigerant Type ——

Liquid mm Gas mm

——

* o.d.=outer diameter; i.d.=inner diameter

Connecting method Flared Flared

28.3/34.3 28.3/34.3

Piping

R410A R410A

Pipe

6.35 6.35

12.7 12.7

Electricity Heater / /

48/45/41 48

/45/41

EEV on outdoor unit

Fresh air hole dimension / /

990/655/199

1150/750/300 1150/750/300

PVC, 20/18(o.d./I.d.*) PVC, 20/18(o.d./I.d.*)

700/640/580

Heat exchanger

TP2M / 7x0.35 TP2M / 7x0.35

about 0.49 about 0.49

cooling: 6~7 / heating: 43~60

CENTRIFUGAL × 2

1150/1050/850 1150/1050/850

output: 28/input: 80 output: 28/input: 80

Running current

Fan

CENTRIFUGAL × 2

700/64

0/580

Dimension (L×W×H)

990/655/199

Controller type Infrared YR-H71 or wired YR-E12 Refrigerant control

Communication cable

2x(0.75~1.25mm2 ), must be shielded

Power source 1, 220~230, 50

Dehumidifying capacity

Item

Power cable 3 × 0.75mm

HSFL 411 XMR HSFL 531 XMR

Function Capacity

2.2 Indoor Units

Norminal conditions: indoor temperature (cooling): 27℃DB/19℃WB, indoor temperature (heating): 20℃DB. Outdoor temperature (cooling): 35℃DB/24℃WB, outdoor temperature (heating): 7℃DB/6℃WB. The noise level will be measured in the third octave band limited values, using a Real Time Analyser calibrated sound intensity meter. It is a sound pressure noise level.

SAFETY INSTRUCTIONS

• Please read carefully the following Safety Instructions before operating the air conditioner.

• A strict observance of the Instructions indicated on the “USER’S MANUAL” will prevent personal hurt

and incidents to the User. Moreover, correct operation and long life of the system will be ensured.

• Depending on the seriousness of potential risks and damages, the reported Instructions are classied

in two types: “WARNING” and “CAUTION”. A strict observance of the Instructions is required to guarantee your personal safety and the safety of the environments where Units have been installed.

• The following Instructions are related to the air conditioner’s installation. They have been reported in this “USER’S MANUAL” just to allow the User to check that installation is or has been properly carried

out. If an improper installation - not corresponding to the Instructions - is veried, please contact the

Dealer or the Authorized Technical Service.

The User must never attempt to repair, install or perform special maintenance by himself.

Key to symbols

WARNING

This symbol points out the risk of serious injury or death.

This symbol points out the risk of injury or damage to the property.

Prohibition. Action or procedure not allowed, with serious effects for people or objects.

CAUTION

Obligation. Compulsory action or procedure. The missed observance could bring to serious effects for people or objects.

• Strictly observe the instructions provided in this Manual.

• The air conditioning system contains in its refrigerant circuit the R410A gas under pressure. Never disconnect refrigerant pipes or connection joints.

• Never perform any handling on Outdoor Unit service valves or on Indoor Unit's unions.

• Keep this Manual in a safe place easy to reach at any time for convenient

reference.

• In case the air conditioner is transferred and reinstalled, this User's Manual should

always be attached to the appliance.

3. Safety precautions

-8-

- 9 -

Installation

Never try to install this Unit by yourself, i.e. without the support of Technical Personnel. Never try to repair the Unit by yourself. The Unit’s components can be reached only by opening or removing the covering panels, and this involves exposure to high voltage. Even by disconnecting power supply, it is not always possible to avoid the risk of electric shocks.

• Please always contact the Dealer or Authorized Service Center for installation.

Never attempt to install the air conditioner by yourself, because improper installation could

cause electric shock, injuries, water leakage or re.

• Please always contact the Dealer or the Authorized Service Center for any servicing operation or special maintenance.

Never try to repair or carry out special maintenance by yourself. Improper repair or maintenance

could cause electric shock, injuries, water leakage or re.

Conrm that installation has been carried out according to the following prescriptions:

WARNING

• When installing, all possible countermeasures must be taken to avoid refrigerant gas leaks. If there is high concentration of refrigerant gas in the room, oxygen lack may occur.

• Do not install the air conditioner near burners, heat sources or ammable gas. This is to avoid the risk of malfunctioning, re or explosion.

• Ensure that a circuit breaker has been installed on the power supply line above the air conditioner, to avoid the risk of electric shock.

• When installing in a small room, countermeasures should be taken in case a refrigerant leak exceeds the proper range. Otherwise, it will cause people asphyxia.

CAUTION

• Ensure that drain hose and drain pipe installation has been correctly carried out. Incorrect installation or maintenance will cause water leakage.

CAUTION

• Ensure that Indoor and Outdoor’s Units have been properly grounded. Defective grounding could cause electric shock.

• This kind of appliance needs a specic circuit breaker with proper protective devices against overcurrents and short circuits (fuses or automatic switches).

Circuit

breaker

(specic)

Safety precautions

- 10 -

Do not insert the air conditioner’s plug into multiple sockets or into sockets to which other appliances are connected. Do not use plug adapters.

Always observe the operating precautions listed in the following tables. In this way, correct operation and safeguard of people, animals and objects inside air-conditioned environments will be ensured.

WARNING

Use the correct voltage and frequency for power supply.

Fully insert the plug into the power socket and make sure the connection is secure and without

play. Otherwise, sparks and re may occur.

Do not put heavy objects on the power supply cord. Take care not to damage it. Do not use faulty or damaged power supply cords.

Do not pull out the plug from the power socket by drawing the power cord. Damaging to the power cord, to the plug or to the socket may occur, and this could result in electric shock or

re generation.

Never turn off the air conditioner by pulling the power supply plug out of the socket. This could

cause electric shock or re.

Always press the ON/OFF button on remote controller.

Do not use extension cords. Do not use rolled power supply cords.

Never touch switches, sockets or power supply plugs with wet hands. This could cause electric shock.

If you smell something burning, immediately turn off the air conditioner, switch the circuit breaker to “OFF” or “0” and contact the Authorized Technical Assistance.

Do not insert any objects into the air inlet or outlet of Indoor and Outdoor’s Units. Even if fans are stopped, they could automatically start all at once.

You should avoid to expose your body directly to cool air for a long time. This may cause you health problems.

Do not direct the airow towards infants, aged or

disabled people.

220 ÷ 230V~, 50Hz

B A

M D

OFF

A U T O

OFF

TEMP

SWING

FAN

Safety precautions

- 11 -

CAUTION

Ventilation should be operated when using at the same time the air conditioner and gas

burners. Insufcient ventilation will cause lack

of oxygen.

Do not use sprayers near the air conditioner and do not spray anything towards the appliance.

Do not place burners near the airflow of air conditioner.

Do not expose plants or animals to the direct

airow of the air conditioner.

To avoid the risk of electric shock, do not sprinkle water or other liquid on Indoor Unit. Do not clean the air conditioner by water spurts.

Ventilate the room regularly while the air conditioner is operating. Fail to follow this advice could result in lack of oxygen inside the room.

Do not expose food, plants, animals, precision

devices or works of art to the direct airow of the

air conditioner.

For prope r perfo rman ce, op erat e the air conditioner under the temperature and humidity conditions indicated in this Manual (see page 5, “Recommended Operating Conditions”). If the Unit operates beyond these conditions, malfunctions may occur or dew may drip from the Indoor Unit.

Do not place anything in front of the air conditioner nor obstruct the air outlet.

When necessary, replace fuses with fuses of the same type and size. Never use a piece of iron or copper instead of the proper fuse, as it could

result in a malfunction or in a re accident.

Do not touch the heat exchangers’ metal aps on Indoor and Outdoor Units. This could cause hurts due to the sharp shape of the aps. Take care of this especially when removing the inlet grille and the air lters.

Do not put any object on the air conditioner. On the appliance’s upper part there is an air inlet grille that must not be obstructed. Besides, a heavy object may cause the air conditioner’s fall.

Safety precautions

4. Net dimensions of the Indoor Units

Convertible type units: HSFL 411, 531 XMR

-12-

100

900 990

655

200

880

620 605 600

40 35 35 30

199

(mm)

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kbpda]en_kj`epiojan1

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pda ]en _kj`epekjan,o pq^ao sepd od]nl kn lkejpa`

epaio/ _nqodejc kn pseopejc ]ju pq^ao/ kn

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hkqran1

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]hhksa` pk oep kj pda kqp`kkn qjep1

y7-+1.1+~:1659

Uda nabnecan]pejc _en_qep eo ha]g0lnkkb1

41 Bllhe_]^ha ]i^eajp pailan]pqna n]jca=

z0- 4~+015- 19 ~,~7:1<- 15 .6336=15/

91:;~:165

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nalh]_a` ^u pda oanre_a ]cajp kn ] oeieh]n

mq]hebea` lanokj1

61 Jb pda bqoa kj QD ^k]n` eo ^nkgaj lha]oa

_d]jca ep sepd pda pula kb U6148B 2583WBD1

Dkkhejc

Ia]pejc

Jj`kkn

Outdoor

S]pa` N]teiqi Nejeiqi

5: 65 4;

4< 56 47

68 76 43

57 59 9

53 5: 48

4718 00 00

: 57 048

94;00

EC D XC D EC D XC D

Jj`kkn

Outdoor

EC D XCD

Model

Dkiiqje_]pekj _]^ha

-odaeh`a` sena.

Power cable

HSFL411XMR

I38SO0G 6H -40518.ii

I38SO0G 5Y-31:80418.ii

HSFL531XMR I38SO0G6H-40518.ii5 I38SO0G5Y-31:80418.ii5

5. Installation instructions

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pda hk_]h op]j`]n`1

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Uda namqenaiajp kb pda _kiiqje_]pekj _]^ha=

-13-

EC D XCD

■R410A

The working pressure of R410A is approximately 1.6 times higher than R22. Because the oil in the

refrigerant is different, please do not mix them.

Refrigerant R22 (single) R410A (mixed) R407C (mixed)

Oil Mineral oil (SONTEX 200LT) Synthetic oil (POE oil) Synthetic oil (POE oil)

Pressure ratio 1 Approx. 1.6 Approx. 1.1

■Operation flow

1. Calculate the refrigerant additional charging amount, and charge a suitable amount.

1. Air purging by refrigerant is prohibited seriously

2. Use a special vacuum pump with reverse check mechanism

1. Charge the nitrogen to the set pressure

2. 24 hours later,check if the pressure in the pipe has reduced

1. Do not connect the power supply

1. Use piping material of the specified thickness

2. Do not use dirty pipe

3. Always flow nitrogen during welding work

hand over

trial running and adjustment

maintenance panel installation

gas leakage check

additional refrigerant charging

evacuation and drying

leakage test

refrigerant piping connection

outdoor unit installation

outdoor unit foundation work

electric wiring work

remote controller installation

insulation work

duct work

drain piping work

refrigerant piping work

indoor unit installation

operation chart preparation

1. Always inspect the used refrigerant

2. Always use the specified refrigerant

refrigerant inspection

prepare work schedule

-14-

■Piping material

1. Use the correct refrigerant piping and materials for R410A

2. For the pipe wall thickness, see the table below:

Pipe diameter Φ6.35 Φ9.52 Φ12.7 Φ15.88 Φ19.1

Pipe wall thickness 0.8 0.8 0.8 1.0 1.2

Note: Always observe and comply with the local regulations when installing the refrigerant piping.

■Tools

R410A work requires a number of special tools (* symbol). Since the tools used in R22 work

cannot be used for R410A, provide the tools separately.

Tool name Process and application

Pipe cutter Piping cutting

*Flaring tool Pipe flaring work

*Torque wrench Flare nut connection

Expander Expansion at pipe connection

Pipe bender Pipe bending work

Refrigerant piping work

Nitrogen gas Pipe oxidation prevention

Welder Pipe brazing

Air tightness test

*Gauge manifold

*Charging hose

Vacuum evacuation and refrigerant

charging operation check

Air tightness test

Refrigerant additional charging

*Vacuum pump (with adapter)

Vacuum drying

Electronic scale

Gas leakage detector Gas leakage test

Refrigerant additional charging

■Work precautions

Refrigerant check: Before work, check the used refrigerant and prepare materials matched to the

refrigerant.

Refrigerant piping: Observe the basics of refrigerant piping to avoid the unnecessary problems. In

addition, when performing the welding work, seal in the nitrogen gas to the pipes, and prevent it

from the oxidation.

Leak pressure detection: Perform seal detection and make sure there is no refrigerant leakage.

Vacuum drying: If the vacuum pump has not the reverse flow check mechanism, use the pump

together with a reverse flow check adapter.

Additional refrigerant: Charge a suitable amount of refrigerant with a special R410A gauge

manifold and charging hose.

-15-

Operation and Performance

*Heating Performance

*Microcomputer-controlled Automatic Defrosting

Heat-pump air conditioners heat your entire room by recirculating air throughout the room, with the result that some time may be required after first starting the air conditioner until the room is heated.

This air conditioner operates on the heat-pump principle, absorbing heat from outdoor air and transferring that heat indoors. As a result, the operating performance is reduced as outdoor air temperature drops. If you feel that insufficient heating perfomance is being produced, we recommend you use this air conditioner in conjunction with another kind of heating appliance.

Instructions relating to heating (*) are applicable to HSFL 411, 531 XMR Indoor Units.

When using the Heating mode under conditions of low outdoor air temperature high humidity, frost may form on the outdoor unit, resulting in reduced operating performance.

In order to prevent this kind of reduced performance, this unit is equipped with a Microcomputer-controlled Automatic Defrosting function. If frost forms, the air conditioner will temporarily stop, and the defrosting circuit will operate briefly (for about 7 to 15 minutes).

STANDARD PARTS

The following installation parts are furnished. Use

them as required.

Mark Parts name

Adhesive tape

Saddle (L.S) with screws

Drain hose

Heat insulation material

Piping hole cover

Putty

Plastic clamp

Optional parts

A B

C D E F

Additional information about these models

-16-

SELECTING THE MOUNTING POSITION

(1)Do not install where there is the danger of com bustible gas leakage.

(2) Do not install near heat sources. (3) If children under 10 years old may approach

the unit, take preventive measures so that they cannot reach the unit.

Install at a place that can withstand the weight of the indoor and outdoor units and install positively so that the units will not topple or fall

WARNING

CAUTION

Decide the mounting position with the customer as follows:

INDOOR UNIT

(1) Install the indoor unit level on a strong wall, floor, ceiling which is not subject to vibration. (2) The inlet and outlet ports should not be obstructed: the air should be able to blow all over the room. (3) Install the unit near an electric outlet or special branch circuit. (4) Do not install the unit where it will be exposed to direct sunlight. (5) Install the unit where connection to the outdoor unit is easy. (6) Install the unit where the drain pipe can be easily installed. (7) Take servicing, etc. into consideration and leave the spaces shown in Fig.A. Also install the unit where the filter can be removed.

Under ceiling

2 cm or more

Ceiling

Indoor unit

30 cm or more

Left

Right

1.5m

Floor console

30 cm or more

1.5m

Left

Right

may be difference

Fig.A

Indoor unit

Installation of the Indoor Unit

-17-

ELECTRICAL WIRING

(1) The power source capacity must be the sum of the room air conditioner current and the current of other electrical appliances. When the current contracted capacity is insufficient, change the contracted capacity.

(2) When the voltage is too low and the air conditioner is difficult to start, contact the power company the voltage raised.

CAUTION

TEST RUNNING

1. CHECK ITEMS

(1) INDOOR UNIT

(1) Is operation of each button on the remote control unit normal? (2) Does each lamp light normally? (3) Do not air flow direction louvers operate normally? (4) Is the drain normal?

(2) Air filter removal and cleaning, and how to use air louvers. (3) Give the operating and installation manuals to the customer.

(1) Always use a special branch circuit and install a special receptacle to supply power to the room air conditioner.

(2) Use a circuit breaker and receptacle matched to the capacity of the room air conditioner.

(3) The circuit breaker is installed in the permanent wiring. Always use a circuit that can trip all the poles of the wiring and has an isolation distance of at least 3mm between the contacts of each pole.

(4) Perform wiring work in accordance with standards so that the room air conditioner can be operated safely and positively.

(5) Install a leakage circuit breaker in accordance with the related laws and regulations and electric company standards.

WARNING

MOUNT THE COVER PLATE AND THE INTAKE GRILL

(2) OUTDOOR UNIT

(1) Is there any abnormal noise and vibration during operation? (2) Will noise, wind, or drain water from the unit disturb the neighbors? (3) Is there any gas leakage?

CUSTOMER GUIDANCE

Explain the following to the customer in accordance

with the operating manual: (1) Starting and stopping method, operation switching, temperature adjustment, timer, air flow switching, and other remote control unit operations.

1.Mount the cover plate. (Right)

(1) Cut a pipe exit hole in the right plate. This is only when the pipe exits from the right side. (This operation is not required when the protrusion is on the top or rear.)

Fig. 31

Cover plate (Right)

(2) Join the cover plates (right) and mount with screws.

Fig. 32

Installation procedures

-18-

(2) Insert the hinges on the bottom of the intake grill into the holes in the base assembly. Then mount the arms to the three areas on the top of the intake grill.

Fig. 35

Fig. 34

(1) Cut the right side of the intake grill. This is only when the pipe exits from the right side

3. Mount the intake grill.

(1) Join the cover plate (left) and mount with screws.

Fig. 33

2. Mount the cover plate.(Left)

Installation procedures

-19-

Open the intake grill and remove the three or four or six screws.(Fig. 1)

Remark: The main unit can be wired before the indoor unit is installed. Select the most appropriate installation order.

A. FLOOR CONSOLE TYPE

1. DRILLING FOR PIPING Select piping and drain directions.(Fig.2) The piping and drain can be made in three directions as shown below.

(Fig.2)

rear

right

down

REMOVE THE INTAKE GRILL

PREPARING INDOOR UNIT INSTALLATION

When installing set to wall, install the accessory wall bracket at the position shown in Fig.5,and mount the set to it.

Fig. 1

Intake grill

(Fig. 5)

Wall bracket

Side of set

65.5cm

99cm

50cm

24.5cm

6.5cm

12.5cm 10cm

6.5cm

53cm

4.5cm

7cm hole

3.5cm hole

The drain hose can be connected to either the left or right side.(Fig.3)

(Fig. 3)

Drain hose (Left side) Drain hose (Right side)

Wall

7cm

6mm

Indoor unit outdoor unit

(Fig.4)

When the directions are selected, drill a 7 cm dia. hole on the wall so that the hole is tilted downward toward the outdoor for smooth water flow. When the pipe is led out from the rear, make a hole in Fig.4, at the position shown.

Installation of the Indoor Unit

-20-

Select whether the drain hose will be connected to the left or right side.(Fig.3) Insert the drain hose into the drain pan, then secure the drain hose with a nylon fastener. (Fig.6)

2. INSTALLING DRAIN HOSE

(Fig. 6)

Wrap the insulation (drain hose) around the drain hose connection. (Fig.7)

(Fig. 7)

CAUTION

Do not install the unit drain hose side is too high. Height A should be less than 5 mm.(Fig.9)

Fig. 8

Be sure to arrange the drain hose correctly so that it is leveled lower than the drain hose connecting port of the indoor unit.

Drain pan

Drain hose

Nylon fastener

Drain pan

Drain hose

Insulation (Drain hose)

OK NO NO

Arrange the drain hose lower than this portion.

Drain hose

Fig. 9

A A

Drain hose

B. UNDER CEILING TYPE

Using the installation template, drill holes for piping and anchor bolts(for holes).(Fig.10)

Installation template

Wall

Ceilling

Drilling position for piping

Drilling position for anchor bolt

200mm

900mm

Fig. 10

Installation of the Indoor Unit

-21-

3. INSTALLING BRACKETS Install the brackets with nuts, washers and spring

washers.(Fig. 15)

4. INSTALLING INDOOR UNIT

Bracket (Right)

Bracket (Left)

Select piping and drain directions. (Fig.11)

1. DRILLING FOR PIPING

Insert the anchor bolts into the drilled holes, and drive the pins completely into the anchor bolts with a hammer. (Fig. 14)

2. DRILLING HOLES FOR ANCHOR BOLTS AND INST ALLING THE ANCHOR BOLTS

When the directions are selected, drill 80mm and 50mm or 150mm dia. hole on the wall so that the hole is tilted downward toward the outdoor for smooth water flow.

With a concrete drill, drill four 12.7 mm dia. Holes. (Fig.13)

Wall

6mm

Install the drain hose at the rear; it should not be installed on the top or right side.

Fig. 11

Rear (Install the drain hose in the direction.)

Right

CAUTION

Fig. 12

Now, securely tighten the hex bolts in both sides.

Fig. 17

Reset the hex bolts as shown in Fig.16.

Hex bolt

8 to 13mm

Indoor unit

Fig. 16

Apply the indoor unit to the brackets.(Fig.17)

Bolt

Bracket

Indoor unit

Fig. 13

60 to 70mm

12.7mm

Fig. 14

Fig. 15

Spring washer

Special nut

Bracket

Installation of the Indoor Unit

-22-

Select whether the drain hose will be connected to the left or right side.(Fig.3) Insert the drain hose into the drain pan, then secure the drain hose with a nylon fastener.(Fig.6) Wrap the insulation (drain hose)around the drain hose connection.(Fig.7) Be sure to arrange the drain hose correctly so that it is leveled lower than the drain hose connecting port of the indoor unit.(Fig.18)

5. INSTALL THE DRAIN HOSE

Fig. 18

Pass the drain hose through here

CONNECTING THE PIPING

1. FLARE PROCESSING

(1) Cut the connection pipe with pipe cutters so that the pipe is not deformed.

(2) Holding the pipe downward so that cuttings cannot enter the pipe, remove the burrs.

(3) Remove the flare nut from the indoor unit pipe and outdoor unit and insert the flare nut onto the pipe, and flare with a flaring tool.

2. BENDING PIPES The pipes are shaped by your hands. Be careful

not to collapse them.

Remove the hole cover.

Arrange the drain hose lower than this portion

Drain hose

VT wire

Drain hose

Fig. 19

Piping hole

Base (Bottom)

Intake grill

VT wire hole

Cut the grill

Fig. 21

Extend the pipe by unwinding it

Installation of the Indoor Unit

-23-

(1) Dimension of connecting pipe

(2) The maximum length and drop height of connecting pipe

Cautions for piping connection

Smear refrigerant oil on the joints of piping and flare. The bending radius shall be as large as possible. Align the pipe center when fastening, and tighten the nut, as shown in the figure. Pay attention to not mix foreign matters such as sands in.

Do not twist or deform the connecting pipe. Do not mix dusts.

The bending radius shall be as large as possible. Both gas pipe and liquid pipe shall be heat insulation.

No leakage in the flare.

(3) Piping connection

Connecting method

Spanner

Joint

Nut

If not aligned ,tighten the nut by force will damage the nut that result in gas leakage

Please refer to the installation manual of outdoor unit To ensure the efficiency , Pipes shall be as short as possible.

Fit the nut on and fasten

HSFL 411XMR HSFL 531XMR

Flare connection

Gas pipe

3-way valve

Indoor Unit

Outdoor unit

Liquid pipe

2-way valve

Flare connection

Diameter of Pipe Liquid Pipe 6.35mm

Gas Pipe 12.7mm

Tighten Torque (N. m)

11.8

49.0

A(adaptor, from 9.52 to 12.7)

To outdoor unit

To gas pipe

90 0.5

Gas pipe Liquid pipe

12.7mm

6.35mm

HSFL 411XMR HSFL 531XMR

3. PIPING CONNECTION

-24-

Installation of the Indoor Unit

HOW TO CONNECT WIRING TO THE TERMINALS

A. For solid core wiring (or F-cable)(Fig.24A)

(1) Cut the wire with a wire cutter or wire-cutting pliers, then strip the insulation to about 25mm of the exposed solid wire. (2) Using a screwdriver, remove the terminal screw(s) on the terminal board. (3) Using pliers, bend the solid wire to form a loop suitable for the terminal screw. (4) Shape the loop wire properly, place it on the terminal board and tighten securely with the terminal screw using a screw driver.

B. For strand wiring(Fig.24B)

(1) Cut the wire with a wire cutter or wire-cutting pliers, then strip the insulation to about 10mm of the exposed strand wiring. (2) Using a screwdriver, remove the terminal screw(s)on the terminal board. (3) Using a round terminal fastener or pliers, securely clamp a round terminal to each stripped wire end. (4) Position the round terminal wire, and replace and tighten the terminal screw using a screw driver.

After passing the connection cord and power cable through the insulation tube, fasten it with the cord clamp, as shown in Fig.25

HOW TO FIXED CONNECTION CORD AND POWER CABLE AT THE CORD CLAMP

Fig. 25

Insulation tube

Cord clamp

Use VW-1, 0.5 to 1.0 mm thick, PVC tube as the insulation tube.

Fig. 24

Insulation

Strip 25mm

Loop

A. Solid wire

Terminal board

Screw with special washer

Round terminal

Wire

Screw with special washer

Round terminal

Wire

Strip 10mm

Round terminal

B. Strand wire

-25-

Installation of the Indoor Unit

ELECTRICAL WIRING

1. INDOOR UNIT SIDE

(1) Remove the electric component box.

(2) Pull out the electric component box.

(3) Remove the electric component box cover.

Remove the three tapping screws.

(1) Remove the cord clamp. (2) Process the end of the connection cords to the dimensions shown in Fig.34. (3) Connect the end of the connection cord fully into the terminal block.

(4) Wiring

(4) Fasten the connection cord with a cord clamp. (5) Fasten the end of the connection cord with the screw.

Be careful not to pinch the lead wires between the electric component box and base.

CAUTION

(1) Match the terminal block numbers and connection cord colors with those of the outdoor unit. Erroneous wiring may cause burning of the electric parts.

(2) Connect the connection cords firmly to the terminal block. Imperfect installation may cause a fire.

(3) Always fasten the outside covering of the connection cord with the cord clamp.(If the insulator is chafed, electric leakage may occur.)

(4) Always connect the ground wire.

Do not remove the screws. If the screws are removed, the electric component box will fall.

Fig. 26

Electric component box

Remove the four tapping screws.

Fig. 27

Electric component box

CAUTION

Fig.28

Electric component box

Fig. 29

Base

Electric component box cover

CAUTION

-26-

Installation of the Indoor Unit

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IMPORTANT: Indoor Unit communication address setting

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-27-

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-28-

+ 65 hidden pages

Termal HSFL 411 XMR, HSFL 531 XMR, HCNL 821 XMR Service Manual

Specifications and Main Features

Frequently Asked Questions

User Manual