Nibe AG-WT10 series User guide

Installer manual

LEK

AG-WT10

Air/air heat pump

IHB GB 1535-2

331551

Table of Contents

21 Important information

2Safety information

3Read before starting the installation

3Electrical requirements

42 Delivery and handling

4Transport

4Assembly

4Supplied components

53 Pipe connections

5General

5Connecting the cooling circuit

64 Electrical connection

6General

6Connecting indoor and outdoor unit

75 Installation

7Installation instructions

10Pump down

116 Remote control

11Positioning remote control

Coding remote control for multiple indoor

units

157 Disturbances in comfort

15Troubleshooting

168 Accessories

179 Technical data

17Dimensions

18Technical specifications

19Electrical circuit diagram

20Index

1Table of Contents |AG-WT10

Safety information

This manual describes installation and service proced-

ures for implementation by specialists.

This appliance can be used by children

aged from 8 years and above and per-

sons with reduced physical, sensory or

mental capabilities or lack of experience

and knowledge if they have been given

supervision or instruction concerning

use of the appliance in a safe way and

understand the hazards involved. Chil-

dren shall not play with the appliance.

Cleaning and user maintenance shall

not be made by children without super-

vision.

Rights to make any design or technical

modifications are reserved.

©NIBE 2015.

Symbols

NOTE

This symbol indicates danger to machine or

person.

Caution

This symbol indicates important information

about what you should observe when main-

taining your installation.

TIP

This symbol indicates tips on how to facilitate

using the product.

Safety precautions

NOTE

■Avoid the use and storage of flammable li-

quids near the climate unit.

■Never install electric equipment that does

not have IPX1 protection (protection against

vertical water drops), under the unit.

The manufacturer assumes no liability, if safety the

standards or protection preventive measures are not

complied with.

Special safety measures

During installation the cooling circuit must be connec-

ted first and then the electrical circuit. Perform in re-

verse order when removing the unit.

During repair

■Disconnect the voltage (via the main switch) before

opening the unit to check or repair the electrical

parts.

■Keep hands and clothing away from moving parts.

■Clean after completing the work, and check that no

metal residue or cable parts have been left inside the

unit.

■Vent the premises during the installation and the

cooling circuit test. Ensure that no refrigerant gas

has leaked out during the installation, as contact with

naked flames or heat sources can be toxic or danger-

ous.

AG-WT10Chapter 1 | Important information2

1 Important information

Read before starting the install-

ation

This heat pump complies with strict safety and function

standards.

It is very important that the installer or the service

technicians install or repair the system so that it works

safely and efficiently.

For a safe installation and good function the

following is required:

■Read this instruction manual carefully before starting

installation.

■Follow the installation and safety instructions exactly

as described and shown.

■Comply with local and national electrical regulations.

■Note all the warning and safety messages indicated

in this manual.

■The unit must be connected to a separate supply.

These instructions are sufficient for installation and

maintenance. If assistance is required for a particular

problem, contact our dealer for further information.

NIBE does not accept any responsibility for damage

that occurs in the event of incorrect installation or im-

proper maintenance.

Electrical requirements

NOTE

The electrical discharge can cause serious

personal injury or death. Only qualified electri-

cians may handle the electrical system.

■Before installation ensure that the mains supply for

the power supply is the same as that indicated on

the climate unit's rating plate.

■Each unit must be connected with approved groun-

ded cable.

■The electrical connections must be performed by a

specially trained and qualified electrician.

■Ensure a ground connection before the unit is

powered.

■Hazardous electrical voltage is used in this electrical

circuit. See electrical wiring diagram and its instruc-

tions below the connection. Incorrect connections

or unsuitable ground connection can cause accidents

or death.

■The yellow/green cable must not be used for connec-

tions other than ground.

■Tighten the cables securely. Incorrect connections

can cause overheating and fire.

■Electrical cables must not come into contact with the

cooling pipes, the compressor or fan's moving parts.

■Use separate cables for each type of cable.

3Chapter 1 | Important informationAG-WT10

Transport

Take care when lifting and moving the indoor and

outdoor unit. We recommend that you ask for assist-

ance and bend your knees when you lift to avoid injur-

ing your back. There is a risk of cutting yourself on the

sharp edges of the climate unit.

Assembly

We recommend that this climate unit be installed by

an authorised technician in accordance with the sup-

plied installation instructions.

NOTE

■Do not install this climate unit where there

are flue gases, flammable gases or a lot of

moisture, e.g. in a greenhouse.

■Do not install this climate unit where there

is equipment that generates too much heat.

■Do not install the unit in premises where it

may be subjected to water splashes (e.g.

laundry rooms).

■To protect the climate unit from corrosion,

the unit must not be installed where it can

be directly exposed to seawater splashes or

sulphur fumes.

Selection of installation location for indoor

unit

Caution

For optimum comfort, energy saving and

function the unit should be positioned as re-

commended below.

Prevent the following:

■Proximity to heat sources that can damage the unit's

cover.

■The presence of oil vapour (such as in a kitchen or

near industrial machinery) because oil contamination

can lead to malfunction or deform surfaces, especially

the unit's plastic surfaces.

■Premises with unstable surfaces can cause vibrations,

noise or water leaks.

■To drill holes in enclosed areas where there are elec-

trical parts or units.

The following is recommended:

■Select the appropriate position from which every

angle of the premises can be heated uniformly.

■Check that the surface is sufficiently stable to carry

the weight of the unit.

■Select a suitable position to ensure good ventilation

and maintenance space around the unit.

Installation area

Minimum working and maintenance range (measured

in mm):

150

100

150

2000

NOTE

Ensure that all pipes and hoses are insulated

to prevent the build-up of condensation.

Supplied components

AG-WT10-7:AG-WT10-4:

1 x Remote control1 x Remote control

2 x Battery2 x Battery

1 x Flared nut 1/4"1 x Flared nut 1/4"

1 x Flared nut 1/2"1 x Flared nut 3/8"

AG-WT10Chapter 2 | Delivery and handling4

2 Delivery and handling

General

Only use refrigerant pipes that are seamless, degreased,

deoxidized and suitable for a pressure of at least 42

bar. The pipes must be supplied with at least 8 mm

vapour-proof insulation.

Max 10 m

Pipe length

1.5 mThe refrigerant pipes' minimum length

7.5 mThe refrigerant pipes' total length with

standard filling

15 mThe refrigerant pipes' total length with

additional filling1

1Additional filling of refrigerant can be done when the unit

runs in cooling operation:

For pipes 1/4" - 3/8" = 15g/m

For pipes 1/4" - 1/2" = 20 g/m

For information about pipe dimensions, see section

"Technical Specifications" on page 18.

Condensation drain

Any condensation removal line must have an internal

diameter of at least 16 mm and be of sufficient length

to transport the condensation to an external drain.

Connecting the cooling circuit

■Use the flare method to connect the pipes.

■Lubricate the contact surfaces and hand tighten, the

tighten the connections using a torque wrench to

obtain a good and secure connection.

■Check carefully that there is no risk of any leakage

prior to the function test.

Caution

For further information, see the installation

manual for the outdoor unit.

5Chapter 3 | Pipe connectionsAG-WT10

3 Pipe connections

General

Electrical installation and service must be carried out

under the supervision of a qualified electrician.

Cut the current with the circuit breaker before carrying

out any servicing. Electrical installation and wiring must

be carried out in accordance with the stipulations in

force.

Caution

Also see the installer handbook for the out-

door unit.

Connecting indoor and out-

door unit

Indoor unit Outdoor unit

Rated voltage

230V ~ 50Hz

Explanation

Power supply cableA

Communication cable1

Connection cableC

1The communication cable must always be screened. (8.5 m

screened cable included in AG-AA10-30/40/50).

AG-WT10Chapter 4 | Electrical connection6

4 Electrical connection

Installation instructions

1. Remove the mounting screw on the unit's wall

mounting and press on the hooks, which are

marked with triangles, for unhooking the panel.

2. The unit can be connected in four directions:

straight back (right and left) - right-hand side - left-

hand side.

3. Assess and mark the holes for the pipes and screws:

the centre point of the holes for the pipes must be

in line with the centre point of the holes for the

lower screws (see the figure for recommended hole

locations).

Spirit level

AG-WT10-4

AG-WT10-7

195 115

190260

7Chapter 5 | InstallationAG-WT10

5 Installation

4. Drill a hole at a suitable angle and with a diameter

of about 65 mm. Insert and adjust a plastic pipe.

2-5°

5. Prepare installation of the wall mounting.

6. Install the wall mounting on the wall using suitable

screws. Ensure that the unit is properly mounted

on the wall to prevent noise and vibrations.

7. When connecting cooling pipes to the right or left,

cut off the casing's groove.

8. Cables for external sensors must enter on the right-

hand side. The condensation collection box is

equipped with outlet points with pipes on the

right-hand side and rubber plug on the left-hand

side.

AG-WT10Chapter 5 | Installation8

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