AlphainnoTec HT 6Split Manual de usuario

27-11-2020

29183

Installation and operating

manual

Indoor unit

Cooperating with air

heat pumps

HT 6Split

HT 12Split

Technische Änderungen vorbehalten | 83021400bUK – Originalbetriebsanleitung | ait-deutschland GmbH

3List of contents |HT 6Split

HT 12Split

List of contents

1 Important information_____________ 4

Information regarding safety __________________________ 4

2 Supply and operation______________ 6

Transport_________________________________________ 6

Assembly_________________________________________ 6

Included items_____________________________________ 6

Removal of the covers_______________________________ 6

3 Indoor module structure _________ 7

HT 6Split / HT 12Split _______________________________ 7

4 Pipe connections____________________ 9

General pipe connections ____________________________ 9

Pipe connections__________________________________ 13

Other information__________________________________ 13

Connection options ________________________________ 14

Connection options ________________________________ 18

DHW circulation___________________________________ 20

5 Outdoor unit LSplit________________21

Transport and storage______________________________ 21

Assembly________________________________________ 21

Lift from the street to the set up location________________ 21

Lift from the pallet to nal positioning __________________ 22

Scrapping _______________________________________ 22

Condensation run off_______________________________ 22

Recommended alternative for leading off condensation water22

Dimensions ______________________________________ 24

Installation area___________________________________ 26

Sound pressure levels______________________________ 26

6 Electrical connections ___________27

General information________________________________ 27

Connections______________________________________ 28

Optional connections_______________________________ 30

Settings _________________________________________ 31

7 Start-up and regulation __________31

Preparations _____________________________________ 31

Filling and venting _________________________________ 31

Circulation pump __________________________________ 32

Start____________________________________________ 33

Start guide_______________________________________ 33

8 Control - Introduction____________34

Display unit ______________________________________ 34

Menu system_____________________________________ 35

9 Control_________________________________37

Menu 1 - INDOOR CLIMATE_________________________ 37

Menu 2 - HOT WATER _____________________________ 38

Menu 3 - INFO____________________________________ 38

Menu 4 - MY SYSTEM _____________________________ 39

Menu 5 - SERVICE ________________________________ 40

Start guide_______________________________________ 41

Settings for the user _______________________________ 43

Service submenus_________________________________ 52

Cooling settings___________________________________ 58

10 Service _______________________________59

Service actions ___________________________________ 59

11 Disturbances in comfort_______63

Troubleshooting___________________________________ 63

Additional heating only _____________________________ 64

12 Accessories ________________________65

Connecting the KVR accessory_______________________ 66

13 Technical data _____________________67

Dimensions and layout of connections _________________ 67

Technical data ____________________________________ 68

Performance _____________________________________ 69

Diagram of electrical connections _____________________ 70

4HT 6Split

HT 12Split

1 Important information

Information regarding

safety

Serial number

Symbols

Marking

HT 6Split / HT 12Split features

the CE mark and water protec-

tion IP21.

The CE mark conrms that Alpha in-

notechastaken careforproduct con-

formity with applicable regulations of

relevant EU Directives. The CE is re-

quired for most products sold in the

EU, regardless of their place of man-

ufacture.

IP21 means that items with the di-

ameter greater or equal to 12.5 mm

cannot access inside causing dam-

age, and that the product has been

secured against vertically falling wa-

ter drops.

The device can be operated by chil-

dred aged over 8 and persons with

physical, sensoric, or mental disa-

bilities, and without any experience

or knowledge about its operation, if

supervised or trained in safe opera-

tion, and if they understand the risks

related to its operation. The device

must not serve as a toy for children.

Activities related to cleaning and ba-

sic maintenance must not be per-

formed by unsupervised children.

Rightstoimplementdesignchanges

are reserved.

©Alpha innotec 2019

This manual contains installation

and maintenance procedures for

specialists.

The serialnumber islocatedat the

bottom of the rating plate, on the

top cover HT 6Split / HT 12Split

and consists of 14 digits.

IMPORTANT

This symbol informs about the

risk to the device or a person

CAUTION

This symbol points to im-

portant information to be

noted when operating the

device easier.

ADVICE

This symbol shall mean

tips to make product oper-

ation easier.

Serial

number

(PF3)

Chapter 1 | Important information

5HT 6Split

HT 12Split

Waste disposal

Disposal of the packaging

shall be the responsibility

of the installation techni-

cian installing the product,

or a special waste man-

agement facility.

Description Notes Signature Date

Heating medium

Installation rinsing

Installation venting

Diaphragm expansion vessel

Particulate lter

Safety valve

Cut-o󰀨 valves

Pressure in the heating system

Connection according to the drawing

Hot water

Cut-o󰀨 valves

Mixing valve

Safety valve

Power supply

Communication connection

Circuit fuses

Fuses, internal module

Building fuses

Temperature sensor outdoor

Room sensor

Energy meter

Emergency switch

Switch di󰀨erential

Thermostatemergencymodesetting

Miscellaneous

Connected to

Installation acceptance

The heating system must be accepted before start-up. Acceptance must be done by a person with appropriate

qualications. Complete the card in the operating manual by entering the installation data.

CHECKLIST

Chapter 1 | Important information

Do not dispose of decommissioned

products together with regular

household wastes. Hand them over

to a specialist facility dealing with

waste disposal or salesperson of-

fering such services.

Incorrect disposal of the product by

the user is subject to administrative

penalties under applicable regula-

tions.

6HT 6Split

HT 12Split

2 Supply and operation

Transport Included items

Assembly

HT 6Split / HT 12Split heat pump must be transported

and stored vertically in a dry place. HT 6Split / HT12Split

can be, however, carefully placed on the rear side of the

casing when carrying the device into the building.

Leave 800 mm free space at the front of the heat

pump. All maintenance works on HT 6Split / HT

12Split can be done from the front.

The side covers and rear wall of the housing are per-

manently attached, therefore it is not possible to dis-

mantle them.

• HT 6Split / HT 12Split must be set on a solid wa-

terproof base that would keep the weight of the

indoor unit. The regulated legs of the heat pump

allow for levelling and stable setting of the device.

• Because HT 6Split / HT 12Split is equipped with

condensate drain, indoor unit installation site must

be furnished with a  oor drain with a discharge to

the sewer system.

1. Remove screws at the bottom edge of the front cover.

2. Open the cover at the lower edge, taking care to

not damage the connecting cables, and then re-

move the front cover by lifting it up.

3. Disconnect the cable connecting the front cover

to the unit.

Installation site

Removal of the covers

Chapter 2 | Supply and operation

20-40 mm Wrench size 13

IMPORTANT

When using an additional heat source, leave behind

the device the space necessary for non trouble free

connections and subsequent maintenance.

25-30 mm

800 mm

IMPORTANT

The opening pressure of the safety valve is 3 bar.

Safety group with safety

valve (3 bar), pressure

gauge and automatic air

vent (1 pc.)

Temperature sensor

Outdoor and indoor

(2 pcs)

Connection p.28

Current sensor (3 pcs)

Connection p.28 230V connection

jumper (1 pc.)

LEK

7HT 6Split

HT 12Split

3 Indoor module structure

Chapter 3 | Indoor module structure

HT 6Split / HT 12Split XL11 XL10 XL4 XL13 XL14 XL3

GP12

AA27

AA8

AA2:X4AA2:X15

AA2

BT64

XL2

XL1

EP2QN12

BT12CM1

BP4EB1

BT15BT63

BT3

BT6

BT7

X10

BT30

FD1

EB1

AA23

FA1

K1A-K3A

FA2

AA3

SF1

AA7

EB2

BT71

XL5 BT25

QN10

8HT 6Split

HT 12Split

LEGEND

Pipe connections

XL1 Connection, heating medium, supply

XL2 Connection, heating medium, return

XL3 Connection, cold water

XL4 Connection, hot water

XL5 Connection, hot water circulation

XL10 Connection, cooling

XL11 Connection, safety group,manometer

XL13 Connection, liquid cooling medium

XL14 Connection, gas cooling medium

HVAC elements

CM1 Diaphragm expansion vessel, closed

QN10 Isolation valve, domestic hot water / cen-

tral heating

QN12 Isolation valve, cooling/heating

GP12 Circulation pump

EP2 Heat exchanger

Sensors

BP4 Pressure sensor, high pressure

BT3 Temperature sensor, heating medium re-

turn

BT6 Temperature sensor, hot water loading

BT7 Temperature sensor, top of the hot water

heater

BT12 Temperature sensor, condenser outlet

BT15 Temperature sensor, liquid

BT25 Temperature sensor, heating medium

supply

BT63 Temperature sensor, heating medium sup-

ply downstream the submersible heater

BT64 Temperature sensor, cooling medium

supply

BT71 Temperature sensor, heating medium re-

turn

Electrical elements

X0 High voltage terminal block 400V~/230V~

X1 Low voltage terminal block 230V~

X2 Low voltage terminal block 230V~

X10 Low voltage terminal block 230V~

AA2:X4 Low voltage terminal block

AA2: X15 Low voltage terminal block

K1A-K3A Submersible heater switch

K2 Alarm relay

BT30 Thermostat - emergency mode

AA2 Main card

AA3 Sensor card

AA23 Communication card

AA7 Relay card

AA8 Titanium anode card

AA27 Relay card

FD1 Temperature limiter

FA1 Circuit breaker (to internal module)

FA2 Circuit breaker (L Split)

EB1 Submersible heater

Other

EB15 HT 6Split / HT 12Split

SF1 Controller switch

PF3 Serial number

EB2 Domestic hot water tank

Chapter 3 | Indoor module structure

9HT 6Split

HT 12Split

4 Pipe connections

General pipe connections

Pipe installation must be carried out in accordance

with current norms and directives.

The pipe dimension should not be less than the recom-

mended pipe diameter according to the table below.

However, each system must be dimensioned individu-

ally to achieve the recommended system ows.

The system can cooperate with a low- and medium

temperature heating system. Recommended temper-

ature of the heating medium at minimum designed

outdoor temperature DOT must not exceed 55°C on

supply, and 45 °C on return circuit from the heating

system, whereas HT 12Split / HT 6Split can achieve

even 65 °C when using a ow-through heating mod-

ule or another peak heat source.

Excess medium owing out of the safety valve must

be discharged via a pipe to a oor drain. The over-

ow pipe must be slanted at the entire length from the

safety valve, and must be secured against freezing.

In order to achieve maximum system e󰀩ciency, we

recommend the installation of HT 12Split / HT 6Split

as close to the heat pump as possible.

The HT 12Split / HT6Split module is not equipped with

cut-o󰀨 valves, which must be installed outside the in-

door module to make future maintenance easier.

The HT 12Split / HT 6Split module can be connected

to the central heating, cooling, and domestic hot wa-

ter installation. Install the supplied safety valve and

the manometer.

Air/water

heat pump Minimum

ow during

defrosting

(100%

pump

speed (l/s)

Minimum

recom-

mended

pipe

dimension

(DN)

Minimum

recom-

mended

pipe

dimension

(mm)

HT6Split/

L6Split 0,19 20 22

HT 12Split/

L8Split 0,19 20 22

HT 12Split/

L12Split 0,29 20 22

IMPORTANT

Any high points in the climate system, must be

equipped with air vents.

IMPORTANT

The pipe systems need to be ushed out before

the indoor module is connected so that

any debris cannot damage component parts.

IMPORTANT

As long as heating circuits in the system have not been

lled with the heating medium, do not set the switch

(SF1) in the controller in position “I” or “ ”. The com-

pressor in the heat pump and the ow-through heating

module can be damaged.

MINIMUM SYSTEM FLOWS

The installation must be dimensioned at least to man-

age the minimum defrosting ow at 100% pump op-

eration, see table.

IMPORTANT

All connections require free ow, hence a discharge

valve must be installed.

IMPORTANT

An undersized system can result in damage to the

machine and lead to malfunctions.

Chapter 4 | Pipe connections

HT 6Split / HT 12Split is

equipped with a pressure

expansion vessel of

10 litres. The pre-pres-

sure of the pressure ex-

pansion vessel must be

dimensioned according to

the maximum height (H)

between the vessel and

the highest positioned

radiator, see gure. A

pre-pressure of 0.5 bar (5

mvp) means a maximum

permitted height di󰀨er-

Expansion vessel

Bu󰀨er vessel

Minimum volume of the heating system

CAUTION

The diaphragm expansion vessel at the domestic hot

water installation is not required. It is, however, required

to install a safety valve with opening pressure of 3 bar.

ence of 5 m. The maximum system volume excluding

the boiler is 220 litres at the above pre-pressure.

Approx. 10 l/kW is required for connection to the heat

pump, and many heating systems do not have this

volume. To prevent operational problems, the volume

is then expanded using a UKV bu󰀨er vessel.

LSplit 6 8 12

Minimum volume of the heating system

during heating / cooling 50l 80l 100l

IMPORTANT

In order to achieve undisturbed ow of the heating sys-

tem, use a hydraulic coupling or open heating loops.

Remember to always keep the minimum required ow

in the installation - see the section "Minimal ow in the

installation".

10 HT 6Split

HT 12Split

XL10

XL1

XL2

-EB101

-BT1

BA-SVM 10-200

-GP11

XL18XL19

HS1 -BP4

-BT15

-BT12

-BT3

-GP12 -BT25

-QN12 -BT63

-BT71

-QN10

-BT7

-BT6

EQ-BT25/BT64

The HT 6Split / HT 12Split indoor unit is equipped

with a coil water heater, diaphragm expansion vessel,

safety group, electric heating module (heater), isola-

tion valves, plate heat exchanger, metering instru-

ments, and an electronic circulation pump. Together

with the outdoor unit of air heat pump LSplit, forms a

complete heating system.

The LSplit outdoor unit provides heat for heating the

domestic hot water and supplying the heating system

while using free energy in the outdoor air, e󰀩ciently

operating within the range of low temperatures up to

-20°C.

Installation diagram The connection of the outdoor unit and indoor unit HT

6Split / HT 12Split, with a system of pipes lled with

a cooling medium secures the connection against

freezing in the event of any power outages. The con-

trol of system operation is the function of controller

module.

Symbol Description





Cut-o󰀨 valve





Non-return valve





Three-way valve





Safety valve





Temperature sensor





Diaphragm expansion

vessel



Manometer





Vent





Circulation pump

Electric module

Symbol Description





Particulate lter





Compressor





Heat exchanger

Cooling





Central heating

systems





Domestic hot water

Relief valve

Additional heat source

Basic connection diagram

Chapter 4 | Pipe connections

HT 6Split

HT 12Split

The control mechanism of HT 6Split / HT 12Split al-

lows for two cooling operation systems to be used:

• 2-pipe cooling system,

• 4-pipe cooling system.

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