Fedders HFC1009N2F User manual

Installation & Operation Manual

Ductless Split Air Conditioner

23-23-0411N-001

For additional questions please call

1-217-347-6459

or e-mail: [email protected]

TABLE OF CONTENTS

INSTALLATION

SAFETY PRECAUTIONS..........................................................1

WIRING DIAGRAMS ..............................................................2

PARTS LIST .......................................................................... 3

SELECTING A LOCATION ......................................................4

INDOOR UNIT INSTALLATION

Mounting the wall bracket ......................................5

Drilling the tubing access hole ................................5

Removing the base cover ........................................6

Attaching the indoor unit to the wall bracket ......6

Wiring the indoor unit ............................................ 6

Cutting tubing and cables........................................7

Connecting the tubing to the indoor unit ..............7

OUTDOOR UNIT INSTALLATION

Locating the outdoor unit........................................8

Installing the outdoor unit ......................................8

Connecting wiring to the outdoor unit ..................9

Connecting tubing to the outdoor unit ..............10

Checking for refrigerant leakage ..........................10

Evacuating air from the tubing and indoor unit..10

Opening the service valves for operation ............10

Restraining the tubing............................................10

FINAL INSTALLATION

Re-installing the base cover ..................................11

Switching on the power supply ............................11

OPERATION

IMPORTANT SAFETY PRECAUTIONS .................................12

FEATURES ............................................................................12

REMOTE CONTROL OPERATION ........................................13

Starting the air conditioner....................................13

Setting the timer ....................................................14

Select mode ............................................................15

Select settings ........................................................16

MAINTENANCE

Cleaning the air filters............................................17

Supplemental air filter............................................17

Cleaning the cabinet ..............................................18

Changing remote control batteries .................... 18

TROUBLESHOOTING............................................................19

WARRANTY..........................................................................20

WARNING

This unit should only be installed by a qualified

HVAC technician in accordance with the

National Electrical Code and local codes and

ordinances.

Failure to follow these precautions could result

in electrical shock, fire, death or serious personal

injury.

ENGLISH FRANÇAIS

ESPAÑOL

WARNING

INDOOR UNIT OPERATES ON LOW VOLTAGE (24VDC)

SUPPLIED BY THE OUTDOOR UNIT.

DO NOT CONNECT LINE VOLTAGE TO THE INDOOR UNIT.

WARNING

Electrical Shock Hazard

• This unit should only be installed by a qualified

HVAC technician in accordance with the National

Electrical Code and local codes and ordinances

• Failure to follow these precautions could result in electrical

shock, fire, death or serious personal injury

• Use copper conductors of correct wire gauge and protector

size only

Important Grounding Requirements

•Do not operate this air conditioner without proper time

delay circuit protection (circuit breaker or fuse). Refer to

serial plate for proper power supply requirements.

• This air conditioner requires a separate power supply on a

separate fused circuit

• To avoid possible electrical shock, air conditioner must be

properly grounded

WARNING

CAUTION

Additional Safety Precautions

• Do not store or use gasoline or other flammable

vapors and liquids in the vicinity of this or any other

appliance. The fumes can create a fire hazard or

explosion.

• Do not introduce objects in the air discharge area.

This could cause permanent damage to your unit.

•

Do not operate without filter

• Do not obstruct the air intake area of your air

conditioner, as this could cause overheating, thus

activating the unit’s security switch and shutting off

the unit

• Do not block air circulation to outside louvers of

cabinet

• Do not block air flow inside with blinds, curtains, or

furniture, or outside with shrubs, enclosures, or

other buildings

• Do not run the air conditioner with an outside

protective cover in place. This could result in fire or

mechanical damage within the air conditioner.

• Clean the air conditioner filter every two weeks to

avoid overheating caused by air obstruction

•Use two or more people to move and install air

conditioner. Failure to do so can result in back or

other injury.

This symbol indicates the

possibility of death or serious

personal injury

This symbol indicates the

possibility of personal injury

or property damage

BTU Voltage Voltage Max Fuse Power Source Signal

Evaporator Condenser Amps Wiring Gauge Wiring Gauge

9,000 24VDC* 115v 15 14 awg 18 awg (min)

12,000 24VDC* 230v 15 14 awg 18 awg (min)

Electrical Specifications

* Voltage to the Evaporator is supplied by the Condenser

IMPORTANT SAFETY PRECAUTIONS

WIRING DIAGRAMS

LOW VOLTAGE (24V)

TO INDOOR UNIT

LINEVOLTAGE

POWER SUPPLY

LOW VOLTAGE (24V)

TO INDOOR UNIT

LINEVOLTAGE

POWER SUPPLY

Cool only unit

Wiring diagrams

Below are wiring diagrams for both cool only and heat pump units

Heat pump unit

WARNING

INDOOR UNIT OPERATES ON LOW

VOLTAGE (24VDC) SUPPLIED BY

THE OUTDOOR UNIT.

DO NOT CONNECT LINE VOLTAGE

TO THE INDOOR UNIT.

WARNING

INDOOR UNIT OPERATES ON LOW

VOLTAGE (24VDC) SUPPLIED BY

THE OUTDOOR UNIT.

DO NOT CONNECT LINE VOLTAGE

TO THE INDOOR UNIT.

ENGLISH

Parts list

A number of installation parts have been packed with the indoor

unit. Please check the contents of the box with the list below.

Description Illustration

Wall bracket

Remote control

Remote control holder

Screws for mounting

wall bracket

Purifying filters

Base leg dampers

Drain adapter

(heat pump models only)

Gasket

(heat pump models only)

AAA batteries

(for remote control)

Quantity

PARTS LIST

Before beginning installation, consider the placement of both the

indoor and outdoor units. It is important to correctly measure the

distance the tubing will need to travel between the two units.

Select a location for the outdoor unit

•Make sure you do not block the discharge area of the outdoor

unit with plants or debris

• Do not install either unit near any source of heat, steam or

flammable gas

• Locate the unit in a location where it can be easily maintained

Select a location for the indoor unit

• Locate the indoor unit in a place where it will provide cool air

throughout the room

• Locate the indoor unit in a place where the unit’s airflow will

not be obstructed

•The wall that the indoor unit is mounted to must be

structurally sound and able to support the weight of the unit

•It is preferable to locate the indoor unit on an outside wall

where there will be access to adequate drainage or a drain

source

• Place the unit so that the air filter can be removed easily and

maintenance work can be performed without interference

•Maintain minimum distances from walls, ceiling, and floor

illustrated in figure 3 on page 5 of this manual

Maximum

allowable

elevation

between

indoor unit

and outdoor

unit is

16.5 feet.

Outdoor unit

Indoor Unit Wall

Wall

Wall bracket

Oil trap

Roof top

111

112

Outdoor

unit

Wrap tubing

with tape and

insulation

Main

power

24VDC

power

Liquid line

Suction line

Indoor unit

Maximum

allowable

tubing length

between indoor

and outdoor

units is 32 feet

CAUTION

Tubing Line Length and Refrigerant Charge

Each indoor unit comes with a refrigerant charge that is

sufficient for use with tubing up to 16.4 feet.

If the required length of connecting tubing exceeds 16.4 feet,

add 0.23 oz/ft of refrigerant for each additional foot.

The maximum allowable tubing length between indoor

unit and outdoor unit is 32 feet.

CAUTION

Unit Elevation

If the outdoor unit is placed higher than the indoor unit, an oil

trap should be installed every 12 feet in the suction line.

The maximum allowable elevation between indoor and

outdoor is 16.5 feet.

SELECTING A LOCATION

ENGLISH

Mounting the wall bracket

• Secure the wall bracket directly to the wall and into wall studs

using screws provided as shown in figure 3

• Make sure the wall bracket is horizontally level when mounted

• If wall studs are not available, it is recommended to use a toggle

bolt or similar drywall anchor

• If you are mounting the bracket on a concrete wall, use anchor

bolts to secure the top of the bracket to the wall

•Do not overtighten the bottom two screws causing the bracket

to bend. There should be a .20 inch gap between the bracket

and wall

CAUTION

Make sure the wall bracket is level.

If the wall unit is not mounted level, condensate water will leak

from the unit and can damage walls and/or carpet underneath.

INDOOR UNIT INSTALLATION

113 Minimum 5.5”

to ceiling

Minimum 5.5”

to wall Minimum 7”

to wall

Fasten wall bracket to wall studs with screws

Drill a 2.5” diameter tubing hole at either the right or the

left. The hole should be slightly slanted to the outdoor

side. Your application may vary. See figure 4 for different

tubing outlet location options.

Drill the tubing access hole

Drill a 2.5” diameter tubing

access hole to route the

tubing to the outdoor unit.

The hole should be slightly

slanted to the outdoor side.

A typical installation will use a

Right or Left back outlet as

illustrated in figure 3.

See figure 4 for different

configurations to suit your

application.

Left Bottom Outlet

Left Back Outlet

Left Outlet

Right Bottom Outlet

Right Back Outlet

Right Outlet

114

There should be a .20 inch gap

between the bracket and wall

Side view

ENGLISH

INDOOR UNIT INSTALLATION

Removing the base cover

Remove the base cover to access tubing and wire connections.

• Use a flat head screwdriver to un-latch the base cover tabs from

the indoor unit. The tab locations are indicated by ’triangle’

markings on the base plate.

• Do not twist the screwdriver to dislodge the base cover from the

indoor unit; doing so will damage the plastic part

115

Base cover tabs

Attaching the indoor unit to the wall bracket

•Wiring connections to the indoor unit must be completed before

attaching it to the wall bracket

•Hook the unit onto the hangers on top of the wall bracket

• Ensure that the unit is level

• Ensure that the drain hose, tubing, and connecting wires are

aligned and in the proper position

116 Hook the unit to the hangers on top

of the wall bracket

Wiring the indoor unit (24VDC)

Connect the wires to the indoor unit by opening the decorative

front grille and following these steps:

•Remove the screw that secures the control box cover

• Connect the wiring as shown on the wiring diagrams on page 2

(a wiring diagram can also be found on the unit)

•Route the wiring from the back and up through the opening in

the front as shown in figure 7

• Ensure all terminals are securely tightened

117

118

Route wire through here

and up to the front

Wire from the back and

through this opening

Control box cover

Front view

Rear view

INDOOR UNIT INSTALLATION

Connecting the tubing to the indoor unit

• Sufficiently tighten the flare nut with fingers, then tighten the

flare nut with torque wrench according to the table in figure 9

• Wrap all exposed tubing with tape. Do not wrap tubing that

will be located inside the unit.

•Pass the tubing, drain hose and connecting wire through the

wall with the drain hose on the bottom

•Make sure all tubing, drain hose, and connecting wire angle

downwards as they pass through and exit the wall

Use caution

when bending

Tubing, drain hose and

connecting wire

Tape

Connecting wire

Suction line

Insulation

Drain tubing

Liquid line

1110

119

1111

Liquid line and suction line should both be

insulated. Drain tubing outside the unit should also

be insulated.

Do not wrap tubing

that will be located

inside the unit

Tube diameter Torque lb. ft. (N.m.)

1/4” 9.36 - 14.23

(6.35 mm) (12.7 - 19.3)

1/2” 36.06 - 45.00

(12.70 mm) (48.9 - 61.0)

3/8” 26.25 - 32.75

(9.52 mm) (35.6 - 44.4)

Cutting Tubing And Cables

• Measure the distance between the indoor and outdoor units

• Cut tubing about 10% longer than the measured distance

• Cut electrical wires at least 6.5 feet longer than the measured

distance.

CAUTION

Remove burrs from the edges of the cut tubing. If burrs are

not removed, they may cause refrigerant leakage when in

operation.

CAUTION

Any bend in the tubing must have a minimum radius of 4”

(100mm) to prevent leakage. Bend tubes with caution.

Do not remove the flare nut from the tubing in the indoor unit

until you are ready to connect it to the outdoor unit.

OUTDOOR UNIT INSTALLATION

Locating the outdoor unit

• Locate the outdoor unit where the air flow around it will not

be obstructed

• Check that the base is level and does not exceed the maximum

slope of five degrees

• Secure the unit to a base with anchor bolts to reduce

vibrations and noise

• Allow adequate space to access the unit for service and

maintenance

• Maintain a minimum distance around the unit as shown in

figure 12

• Do not install the unit near a heat source, steam source or

flammable gas

• Heatpump units should be mounted above the snow line,

if possible

Installing the outdoor unit

• Attach the base leg dampers by sliding the damper slots onto

the base of the outdoor unit as shown in figure 13

• Attach the drain gasket and drain adapter to the base pan of

the unit before you secure the unit (applicable to heat pump

models only) as shown in figure 13

• Fasten the unit onto the base

1112

1113

At least 24”

At least 16”

At least 4”

At least 24”

Base leg dampers

Drain adapter (heat pump models only)

At least 24”

ENGLISH

OUTDOOR UNIT INSTALLATION

1114

1115

1116

Connecting wiring to the outdoor unit

•The installer shall check available power to make certain it

matches the unit (Name Plate Rating) and that constant voltage

can be maintained to the unit. Unsatisfactory performance

would otherwise result. The local power company should be

contacted regarding problems or questions concerning power

supply.

•Install a line service disconnect switch within sight of the

condensing unit. The line voltage service wiring for the

condensing unit should include a fused disconnect switch.

•Use correct wire size and fuse size. To ensure that adequate

voltage will be available at the condensing unit, the line voltage

service wiring must be of adequate size. Minimum

recommended wire ampacities and maximum fuse sizes are

listed on the unit name plate.

•Two holes are provided in the control box

a. One is for the connection of the line voltage conduit

or cable. The hole is sized for 3/4" conduit.

b. One is for low-voltage wiring. Refer to the wiring

diagram attached to electrical box cover for connection.

•Be sure to ground the condensing unit by securing the ground

wire to the grounding lug inside the control box

•Be sure to follow National Electrical Code and all local codes

WARNING

Electrical equipment should be installed by a qualified, licensed

electrician. Improper electrical hook-up may damage

equipment, can create a hazard, cause personal injury or death,

and will void the warranty.

Control box

knockouts

Service cover

Line level

Terminal block

Low voltage

Terminal block

Grounding screw

Screws

Lock nut

Low voltage

line (24VDC)

Connect to

indoor unit Line Level

Connect to

power supply

WARNING

Indoor unit operates on low voltage (24VDC) supplied by the outdoor unit.

DO NOT CONNECT LINE VOLTAGE TO THE INDOOR UNIT. SEE WIRING DIAGRAMS ON PAGE 2.

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