Nibe S1255-6 Guida utente

IHB EN 2001-2

531086

INSTALLER MANUAL

Ground source heat pump

NIBE S1255

Quick guide

NAVIGATION

Browse

Scroll

Select The dots at the bot-

tom edge show

that there are more

pages.

If the menu has

several sub-menus,

you can see more

information by

dragging up or

down with your fin-

ger.

Most options and

functions are activ-

ated by lightly

pressing on the dis-

play with your fin-

ger.

Drag to the right or

left with your finger

to browse between

the pages.

Setting the indoor temperature.

Bottom floor

Temperature

HEAT

13.45 3 October

Smartguide

Yes please, take me to Smartguide.

Hi!

Your system is working properly. Do you want help making

changes?

13.45 3 October

You can set the temperature for your installation's climate

system here.

Smartguide helps you both to view information about the

current status and to make the most common settings

easily. The information that you see depends on the

product you have and the accessories that are connected

to the product.

Product overview

PRODUCT OVERVIEW

Update

Product name

Serial number

Software

Service

13.45 3 October

Company AB

Telephone number

VVM S320

06919618030101

0.5.1

Increasing hot water temperature

HOT WATER

More hot water

13.45 3 October

Here, you can find information about product name, the

product's serial number, the version of the software and

service. When there is new software to download, you

can do it here (provided that S1255 is connected to my-

Uplink).

Here, you can start or stop a temporary increase in the

hot water temperature.

41 Important information

4Safety information

4Symbols

4Marking

4Serial number

5Inspection of the installation

62 Delivery and handling

6Transport

6Assembly

7Supplied components

7Handling panels

9Removing insulation

103 The heat pump design

10General

11Distribution boxes

11Cooling sections

134 Pipe connections

13General

14Dimensions and pipe connections

15Brine side

15Heating medium side

16Cold and hot water

16Docking alternatives

185 Electrical connections

18General

20Connections

25Settings

286 Commissioning and adjusting

28Preparations

28Filling and venting

29Start-up and inspection

32Setting the heating curve

347 myUplink

34Specification

34Connection

34Range of services

34Mobile apps for myUplink

358 Control - Introduction

35Display unit

36Navigation

36Menu types

399 Control - Menus

39Menu 1 – Indoor climate

43Menu 2 – Hot water

44Menu 3 - Info

45Menu 4 - My system

48Menu 5 - Connection

49Menu 6 - Scheduling

50Menu 7 - Service

5810 Service

58Service actions

6411 Disturbances in comfort

64Info-menu

64Manage alarm

6612 Accessories

6813 Technical data

68Dimensions and setting-out coordinates

69Electrical data

70Technical specifications

75Energy labelling

85Item register

90Contact information

3Table of ContentsNIBE S1255

Table of Contents

Safety information

This manual describes installation and service proced-

ures for implementation by specialists.

The manual must be left with the customer.

Symbols

NOTE

This symbol indicates danger to person or ma-

chine .

Caution

This symbol indicates important information

about what you should consider when installing

or servicing the installation.

TIP

This symbol indicates tips on how to facilitate

using the product.

Marking

The CE mark is obligatory for most products sold

in the EU, regardless of where they are made.

Classification of enclosure of electro-technical

equipment.

IPx1B

Read the User Manual.

Read the Installer Manual.

Serial number

The serial number can be found at the bottom right on

S1255, in the display on the home screen "Product

overview" and on the type plate (PZ1).

Caution

You need the product's ((14 digit) serial number

for servicing and support.

NIBE S1255Chapter 1 | Important information4

1 Important information

Inspection of the installation

Current regulations require the heating installation to be inspected before it is commissioned. The inspection must

be carried out by a suitably qualified person. In addition, fill in the page for the installation data in the User Manual.

DateSignatureNotesDescription

✔

Brine side

System flushed

System vented

Antifreeze

Level/Expansion vessel

Filterball (particle filter)

Safety valve

Shut off valves

Circulation pump setting

Heating medium side

System flushed

System vented

Expansion vessel

Filterball (particle filter)

Safety valve

Shut off valves

Circulation pump setting

Electricity

Connections

Main voltage

Phase voltage

Fuses heat pump

Fuses property

Outside sensor

Room sensor

Current sensor

Safety breaker

Earth circuit-breaker

Set emergency mode in menu 7.1.8.2

5Chapter 1 | Important informationNIBE S1255

Transport

S1255 should be transported and stored vertically in a

dry place. When being moved into a building, S1255

may be leant back 45 °.

Ensure that S1255 has not been damaged during trans-

port.

Caution

The product can be tail heavy.

Remove the outer panels in order to protect them when

moving in confined spaces inside buildings.

EXTRACTING THE COOLING MODULE

To simplify transport and service, the heat pump can be

separated by pulling the cooling module out from the

cabinet.

See page 60 for instructions about the separation.

Assembly

• Place S1255 on a solid foundation indoors that can

take the heat pump's weight. Use the product's ad-

justable feet to obtain a horizontal and stable set-up.

30 - 50 mm

15 - 40 mm

20-55 mm

• Because water comes from S1255, the area where

the heating pump is located must be equipped with

floor drainage.

•Install with its back to an outside wall, ideally in a room

where noise does not matter, in order to eliminate

noise problems. If this is not possible, avoid placing

it against a wall behind a bedroom or other room

where noise may be a problem.

• Wherever the unit is located, walls to sound sensitive

rooms should be fitted with sound insulation.

• Route pipes so they are not fixed to an internal wall

that backs on to a bedroom or living room.

INSTALLATION AREA

Leave a free space of 800 mm in front of the product.

Approx. 50 mm free space is required on each side, to

remove the side panels (see image). The panels do not

need to be removed during service. All service on S1255

can be carried out from the front. Leave space between

the heat pump and the wall behind (and any routing of

supply cables and pipes) to reduce the risk of any vibra-

tion being propagated.

(50) (50)

800

* A normal installation needs 300 – 400 mm (any side) for connection

equipment, i.e. level vessel, valves and electrical equipment.

NIBE S1255Chapter 2 | Delivery and handling6

2 Delivery and handling

Supplied components

LEK

Current sensor1

3 x

Room sensor

1 x

Outside sensor

1 x

LEK

Level vessel1

1 x

O-rings

8 x

LEK

Safety valve

0.3 MPa (3 bar)1

1 x

Filterball

6 kW

1 x G1

1 x G3/4

12/16 kW

1 x G1

1 x G1 1/4

Compression ring

couplings

6 kW

2 x (ø28 x G25)

2 x (ø22 x G20)

12/16 kW

4 x (ø28 x G25)

1Not Italy and the DACH countries.

LOCATION

The kit of supplied items is placed in packaging on top

of the heat pump.

Handling panels

OPEN FRONT HATCH

Press the hatch's top left corner to open it.

REMOVE THE FRONT

1. Remove the screw in the hole next to the on/off

button (SF1).

2. Pull the panel's top edge towards you and lift diag-

onally upwards to remove it from the frame.

ASSEMBLE THE FRONT

1. Hook one bottom corner of the front onto the frame.

7Chapter 2 | Delivery and handlingNIBE S1255

2. Hook the other corner in place.

3. Check the display is straight. Adjust if necessary.

4. Press the top of the front section against the frame

and screw it into place.

REMOVE SIDE PANEL

The side panels can be removed to facilitate the install-

ation.

1. Remove the screws from the upper and lower

edges.

2. Twist the panel slightly outwards.

3. Move the panel outwards and backwards.

NIBE S1255Chapter 2 | Delivery and handling8

Assembly takes place in the reverse order.

Removing insulation

The insulation can be removed to make installation

easier.

9Chapter 2 | Delivery and handlingNIBE S1255

General

BT7

QN10

BT2

EB1

PZ1

QM34

QM31

BT6

QM32

QM33

PZ2

QM22 UB1

AA4

SF1

AA4-XF3

XL1

XL6

XL4 XL3

XL7

XL2

BF1

UB2

FC1

XL5

XF8

FR1

PIPE CONNECTIONS

Connection, heating medium flowXL1

Connection, heating medium returnXL2

Connection, cold waterXL3

Connection, hot waterXL4

Connection, HWC1

XL5

Connection, brine inXL6

Connection, brine outXL7

1Only heat pumps with enamelled or stainless steel vessel.

HVAC COMPONENTS

Venting, coilQM22

Shut-off valve, heating medium flowQM31

Shut off valve, heating medium returnQM32

Shut off valve, brine outQM33

Shut-off valve, brine inQM34

Shuttle valve, climate system/water heaterQN10

SENSORS ETC.

Flow meterBF1

Temperature sensors, heating medium flowBT2

Temperature sensor, hot water chargingBT6

Temperature sensor, hot water topBT7

ELECTRICAL COMPONENTS

Display unitAA4

AA4-XF3 USB port

Immersion heaterEB1

Miniature circuit breaker1

FC1

Electrical anode2

FR1

On/off buttonSF1

Network connection for myUplinkXF8

1S1255-6 3x400 V is not equipped with miniature circuit breakers

(FC1).

2Only heat pump with enamelled vessel.

MISCELLANEOUS

Rating platePZ1

Identification plate, cooling modulePZ2

Cable glandUB1

Cable glandUB2

Designations according to standard EN 81346-2.

NIBE S1255Chapter 3 | The heat pump design10

3 The heat pump design

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