Immergas Audax top erp series User manual

HEAT PUMPS

with reversible inverter mono-

phase and three-phase air-

water Heat Pumps

AUDAX TOP ErP

AND INTEGRATED

SYSTEMS

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INDEX

MAIN INDEX

1 AUDAX TOP ErP DESCRIPTION .........................................................................................................................................................4

2 AUDAX TOP 6  8  12 ErP FEATURES MONOPHASE ..................................................................................................................5

3 AUDAX TOP 16  18  21 ErP FEATURES THREEPHASE ..............................................................................................................6

4 INTEGRATED SYSTEM FOR AIR CONDITIONING AND D.H.W. PRODUCTION ..................................................................7

5 HEAT ADJUSTMENT WITH AUDAX TOP ERP CONTROL PANEL IN STANDALONE APPLICATIONS (SETTING AND

OPERATING LOGIC)..............................................................................................................................................................................9

6 AUDAX TOP ErP DIMENSIONS AND CONNECTIONS................................................................................................................ 21

7 AUDAX TOP ErP MINIMUM INSTALLATION DISTANCES .........................................................................................................23

8 AUDAX TOP ErP HYDRAULIC CIRCUIT COMPONENTS...........................................................................................................25

9 AUDAX TOP ErP OPERATING LIMITS AND ANTIFREEZE FUNCTION...................................................................................28

10 AUDAX TOP 6 ErP TECHNICAL DATA.............................................................................................................................................30

11 PRODUCT FICHE REGULATION 811/2013 AUDAX TOP 6 ErP.................................................................................................31

12 AUDAX TOP 6 ERP “POWER” AND “COP” CENTRAL HEATING / “EER” COOLING ............................................................. 32

13 GRAPH OF AUDAX TOP 6 ErP PUMP FLOW RATE/HEAD ...........................................................................................................34

14 AUDAX TOP 8 ErP TECHNICAL DATA.............................................................................................................................................35

15 PRODUCT FICHE REGULATION 811/2013 AUDAX TOP 8 ErP.................................................................................................36

16 AUDAX TOP 8 ERP “POWER” AND “COP” CENTRAL HEATING / “EER” COOLING ............................................................. 37

17 GRAPH OF AUDAX TOP 8 ErP PUMP FLOW RATE/HEAD ...........................................................................................................39

18 AUDAX TOP 12 ERP TECHNICAL DATA..........................................................................................................................................40

19 PRODUCT FICHE REGULATION 811/2013 AUDAX TOP 12 ErP...............................................................................................41

20 AUDAX TOP 12 ERP “POWER” AND “COP” CENTRAL HEATING / “EER” COOLING ...........................................................42

21 GRAPH OF AUDAX TOP 12 ErP PUMP FLOW RATE/HEAD .........................................................................................................44

22 AUDAX TOP 16 ErP TECHNICAL DATA...........................................................................................................................................45

23 PRODUCT FICHE REGULATION 811/2013 AUDAX TOP 16 ErP...............................................................................................46

24 AUDAX TOP 16 ERP “POWER” AND “COP” CENTRAL HEATING / “EER” COOLING ...........................................................47

25 GRAPH OF AUDAX TOP 16 ErP PUMP FLOW RATE/HEAD .........................................................................................................49

26 AUDAX TOP 18 ErP TECHNICAL DATA...........................................................................................................................................50

27 PRODUCT FICHE REGULATION 811/2013 AUDAX TOP 18 ErP...............................................................................................51

28 AUDAX TOP 18 ERP “POWER” AND “COP” CENTRAL HEATING / “EER” COOLING ...........................................................52

29 GRAPH OF AUDAX TOP 18 ErP PUMP FLOW RATE/HEAD .........................................................................................................54

30 AUDAX TOP 21 ErP TECHNICAL DATA...........................................................................................................................................55

31 PRODUCT FICHE REGULATION 811/2013 AUDAX TOP 21 ErP...............................................................................................56

32 AUDAX TOP 21 ERP “POWER” AND “COP” CENTRAL HEATING / “EER” COOLING ...........................................................57

33 GRAPH OF AUDAX TOP 21 ErP PUMP FLOW RATE/HEAD .........................................................................................................59

34 AUDAX TOP 6  8  12  16 ErP P.C.B...................................................................................................................................................60

35 AUDAX TOP 6  8  12  16 ErP CONTROL DIAGRAM....................................................................................................................63

36 AUDAX TOP 6  8  12  16 ErP TERMINAL BLOCK ELECTRICAL CONNECTIONS................................................................64

37 AUDAX TOP 18  21 ErP P.C.B. ............................................................................................................................................................65

38 AUDAX TOP 18  21 ErP CONTROL DIAGRAM ..............................................................................................................................66

39 AUDAX TOP 18  21 ErP TERMINAL BLOCK ELECTRICAL CONNECTIONS...........................................................................67

40 ELECTRIC CONNECTION CABLES FEATURES ............................................................................................................................68

41 SYSTEM MANAGER .............................................................................................................................................................................69

42 ZONE REMOTE CONTROL ............................................................................................................................................................... 76

43 ROOM TEMPERATURE/HUMIDITY SENSOR................................................................................................................................76

44 EXPANSION BOARD FOR ZONE MANAGEMENT........................................................................................................................76

45 SYSTEM DISTRIBUTION KIT............................................................................................................................................................77

46 DEHUMIDIFIER...................................................................................................................................................................................81

47 INTRODUCTION WITH COMMENTARY TO INTEGRATED SYSTEMS: MAIN APPLICATIONS...........................................85

DIAGRAM AUDAX TOP ERP AND 2 LOW TEMPERATURE ZONES+ SOLAR HEATING FOR D.H.W. PRODUCTION + MANAGER

... 88

49 DIAGRAM AUDAX TOP ErP + CONTROL PANEL TO CONTROL THE ROOM + SOLAR PACK............................................90

50 DIAGRAM AUDAX TOP ErP AIR CONDITIONING ONLY + BOILER PLUS + 2 LOW TEMPERATURE ZONES AND

1 DIRECT ZONE + SOLAR HEATING FOR D.H.W. PRODUCTION + SYSTEM MANAGER...................................................92

51 DIAGRAM AUDAX TOP ErP + BOILER WITH 1 HIGH TEMPERATURE ZONE + 2 LOW TEMPERATURE ZONES

+ SOLAR HEATING FOR DHW + SYSTEM MANAGER..................................................................................................................94

52 DIAGRAM AUDAX TOP ErP + PLUS BOILER AND 2 LOW TEMPERATURE ZONES + STORAGE TANK UNIT FOR D.H.W.

PRODUCTION + SYSTEM MANAGER..............................................................................................................................................96

DIAGRAM AUDAX TOP ERP AIR CONDITIONING ONLY + BOILER WITH INTEGRATED STORAGE TANK UNIT + SOLAR

HEATING FOR D.H.W. PRODUCTION, SEPARATE CENTRAL HEATING/COOLING SYSTEM + SYSTEM MANAGER

.......................98

54 DIAGRAM AUDAX TOP ErP IN CASCADE AIR CONDITIONING ONLY + HIGH POWER BOILER + THERMAL

FLYWHEEL AND MIXED ZONE + SOLAR HEATING FOR D.H.W. PRODUCTION + SYSTEM MANAGER ...................... 100

55 DIAGRAM AUDAX TOP ErP + BOILER AND 2 LOW TEMPERATURE ZONES + SOLAR HEATING FOR D.H.W.

PRODUCTION AND CENTRAL HEATING + SYSTEM MANAGER...........................................................................................102

56 OPTIONAL WHICH CAN BE COUPLED .......................................................................................................................................104

57 MAIN INERTIAL STORAGE TANK TECHNICAL FEATURES.....................................................................................................107

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AUDAX TOP ErP

1 AUDAX TOP ErP DESCRIPTION

A range of air/water reversible heat pumps with inverter tech-

nology. e mono-phase versions are available with AUDAX

TOP 6 ErP, AUDAX TOP 8 ErP and AUDAX TOP 12 ErP

models to full central heating and cooling requirements for

homes, oces, shops, etc...; while the three-phase versions are

available with AUDAX TOP 16 ErP, AUDAX TOP 18 ErP and

AUDAXTOP 21 ErP models to full central heating and cooling

requirements for large domestic systems (newly built large homes

such as duplexes, three-unit houses, condominiums), as well as

oces, shops, artisan activities, etc..

ese appliances are distinguished for their high energy eciency

and contained sound levels. ey can be used as a single gen-

erator to assist the system, but also inside an integrated system

(for example, with a heat pump - boiler - solar heating). ey

are engineering solutions that can be perfectly integrated with

each other, which allow to attain maximum benet from the

various energy production systems on the basis of the respective

eciency parameters.

For the entire system to operate correctly, Immergas oers an

“intelligent” system Manager capable of identifying the most

economical energy source at a given time and therefore choose

the right appliance to activate.

All AUDAX TOP ErP series models are equipped with a system

side plate heat exchanger and low energy consumption circu-

lation pump, which facilitate installation. e maximum ow

temperature set-point with central heating is 60 °C (57 °C for

AUDAX TOP 21 ErP), which enables use of radiator systems

as well as fan coil or radiant systems.

e entire range complies with the requirements of ErP Directive

(2009/125/EC) and ELD (2010/30/EC). Various hydraulic,

electric and electronic kits are available, which enable exible

use in all circumstances.

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AUDAX TOP ErP

2 AUDAX TOP 6  8  12 ErP FEATURES MONOPHASE

6 kW, 8 kW and 12 kW mono-phase inverter air/water heat

pumps for winter and summer air conditioning. e galvanised

steel structure makes the machines particularly suitable for

outdoor installation.

Main components:

• Control Panel - standard supply - which enables you to pro-

gram the machine and also functions as a room temperature/

humidity sensor. It also displays the error codes in the event

of malfunctions;

• R410A refrigerant gas (pre-loaded in the machine);

• Twin Rotary compressor with hybrid inverter activation in

direct current with PAM (Pulse Amplitude Modulation) and

PWM (Pulse Width Modulation) logic to oer improved

reliability, low energy consumption and vibration-free opera-

tion in all operating conditions and acoustic insulation with

sound-absorbing materials.

• cooling circuit including a compressor and air/gas refrigerant

nned coil, two-way electronic throttle valve, refrigerant gas/

water insulated stainless steel plate heat exchanger, 4-way

reversing valve (reversible heat pump cycle or cooling cycle

operation);

• variable speed fan with a 3-blade impeller characterised by an

innovative prole designed to guarantee better distribution of

air and contained sound levels (AUDAX TOP 6 - 8 ErP);

• double variable speed fan with a 3-blade impeller characterised

by an innovative prole designed to guarantee better distribu-

tion of air and contained sound levels (AUDAX TOP 12 ErP);

• system low energy consumption pump and ow switch to

ensure there is sucient water circulation to guarantee correct

operation of the hydronic and cooling circuits;

• 2 litre internal expansion vessel (AUDAX TOP 6 - 8 ErP);

• 3 litre internal expansion vessel (AUDAX TOP 12 ErP);

• 3 bar system safety valve;

• included and standard supply are the water Y lter 1”, vibra-

tion-dampening devices, condensate drain ttings and cable

clamp to pass electric cables;

• ow and return 1” M hydraulic connections situated at the

rear;

• electronic management system equipped with various sensors

situated in key positions of the cooling circuit to electronically

detect the system's operating status. e system's ow water

temperature is detected by means of a probe;

• option to pilot a 3-way diverter valve directly from AUDAX

TOP ErP for D.H.W. production heating and an external

booster pump on the system;

• maximum system water ow temperature up to 60 °C;

• operation up to outdoor air temperature of -20°C in winter

and +46°C in summer;

• protection against freezing up to -10°C as a result of periodic

activation of the pump and AUDAX TOP ErP cooling circuit

(with power supply voltage);

• IPX4 electrical insulation rating.

System solutions:

• Standalone system with AUDAX TOP ErP and integrative

resistance;

• can be coupled to a separate storage tank for DHW;

• can be coupled to a boiler via the System manager;

• can be coupled to a boiler and the solar heating system via the

System manager.

• can be installed as a set conguration with the System manager.

Is available in the model:

• AUDAX TOP 6 ErP code 3.025557

• AUDAX TOP 8 ErP code 3.025558

• AUDAX TOP 12 ErP code 3.025560

EC Declaration Of Conformity.

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AUDAX TOP ErP

3 AUDAX TOP 16  18  21 ErP FEATURES THREEPHASE

16 kW, 18 kW and 21 kW three-phase inverter air/water heat

pump for winter and summer air conditioning. e galvanised

steel structure makes the machines particularly suitable for

outdoor installation.

Main components:

• Control Panel - standard supply - which enables you to pro-

gram the machine and also functions as a room temperature/

humidity sensor. It also displays the error codes in the event

of malfunctions;

• R410A refrigerant gas (pre-loaded in the machine);

• twin Rotary compressor with hybrid inverter activation in

direct current with PAM (Pulse Amplitude Modulation) and

PWM (Pulse Width Modulation) logic to oer improved

reliability, low energy consumption and vibration-free opera-

tion in all operating conditions and acoustic insulation with

sound-absorbing materials.

• cooling circuit including a compressor and air/gas refrigerant

nned coil, two-way electronic throttle valve (2 in the 21 kW

version), refrigerant gas/water insulated stainless steel plate

heat exchanger, 4-way reversing valve (reversible heat pump

cycle or cooling cycle operation);

• double fan variable speed with a 3-blade impeller characterised

by an innovative prole designed to guarantee better distribu-

tion of air and contained sound levels;

• modulating system low energy consumption pump and ow

switch to ensure there is sucient water circulation to guar-

antee correct operation of the hydronic and cooling circuits;

• 3 litre internal expansion vessel (16 kW);

• 8 litre internal expansion vessel (18 - 21 kW);

• 3 bar system safety valve;

• included and standard supply are the water Y lter 1”, vibra-

tion-dampening devices, condensate drain ttings and cable

clamp to pass electric cables;

• ow and return 1” M hydraulic connections situated at the

rear;

• electronic management system equipped with various sensors

situated in key positions of the cooling circuit to electronically

detect the system's operating status. e system's ow water

temperature is detected by means of a probe;

• option to pilot a 3-way diverter valve directly from AUDAX

TOP ErP for D.H.W. production heating and an external

booster pump on the system;

• maximum system water ow temperature up to 60 °C (57 °C

for AUDAX TOP 21 ErP);

• operation up to outdoor air temperature of -20°C in winter

and +46°C in summer;

•for AUDAX TOP 16 ErP protection against freezing up to -10°C

(with power supply voltage) as a result of periodic activation of the

pump and AUDAX TOP ErP cooling circuit;

•for AUDAX TOP 18-21 ErP protection against freezing up to -10°C

(with power supply voltage) as a result of periodic activation of the

pump and electric resistances;

• IPX4 electrical insulation rating.

System solutions:

• standalone system with AUDAX TOP ErP and integrative

resistance;

• can be coupled to a separate storage tank for DHW;

• can be coupled to a boiler via the System manager;

• can be coupled to a boiler and the solar heating system via the

System manager.

• can be installed as a set conguration with the System manager.

Is available in the model:

• AUDAX TOP 16 ErP code 3.025562

• AUDAX TOP 18 ErP code 3.025563

• AUDAX TOP 21 ErP code 3.026940

EC Declaration Of Conformity.

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AUDAX TOP ErP and Integrated System

Comprised of a boiler – solar heating – heat pump and possibly

photovoltaic – etc, they are the natural evolution of air-condi-

tioning systems: with very high seasonal eciency, low energy

consumption and reduced polluting emissions.

ey are engineering solutions that can be perfectly integrated

with each other, which allow to attain maximum benet from the

various energy production systems on the basis of the respective

eciency parameters.

For the entire system to operate correctly, Immergas oers a

System Manager, able to:

- always make use of the most convenient heat source;

- keep the system performance high in every circumstance;

- control and command the entire system with a unique "brain"

(i.e. the System Manager);

- promote heat pump activation with a system that generates

electricity from renewable sources.

Basically, the System Manager is a supervisor that can control

the entire system).

Amongst other things, the following main operations are nec-

essary:

- acquire outdoor temperature (from the external probe, inserted

as per standard on the heat pump);

- set central heating side and cooling side (if provided) climatic

curve operation to determine the system's ow temperature;

- congure the fuel cost (e.g. methane);

- congure the electric energy cost;

- set the AUDAX TOP ErP minimum integration (cut o) T.

e point of economic balance between the gas boiler and the

heat pump is a COP value between 2.4 and 2.6 approximately

(approximate value referred to methane); this value changes

based on the cost of electrical power and gas, in the location

where the system is installed.

With sucient Toutdoor to full minCOP economical conveni-

ence, or Toutdoor is higher than Tminimum integration (cut o), the

heat pump starts and the performance eciency conditions are

constantly monitored. On the contrary, if the environmental

conditions are such that the AUDAX TOP ErP coecient of

performance tends towards lower values than COPmin for eco-

nomical convenience, or outdoor T is less than minimum integration

(cut o) T, the system Manager starts the boiler (or integrative

resistance).

4 INTEGRATED SYSTEM FOR AIR CONDITIONING AND D.H.W. PRODUCTION

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AUDAX TOP ErP and Integrated System

Each time AUDAX TOP ErP is operating, the Manager enables

an additional control, which checks the time it takes the system

to reach full operation: when a maximum time is exceeded (can

be set dierently between C.H. and D.H.W.) for the heat pump

to reach the owT, the boiler or integrative electrical resistance

is started.

It is also possible to choose the integration operation method

(boiler/resistance) between simultaneous or alternative Heat

Pump.

In all cases where radiant panels are also included for summer

cooling, alongside dehumidiers (see previous picture), the

System Manager will also monitor the dew point through the

installation of room probes (Immergas). anks to this intelligent

function the System Manager can increase the ow temperature

to the radiant panels by about 1°C (up to a maxT of 18°C - maxi-

mum limit of the cooling heat pump), avoiding the phenomenon

of condensation on the surface of the structure. is function can

only be activated with an Immergas accessory kit that controls

humidity. In some cases, for example, the System Manager can

turn the heat pump o if the ow temperature to the radiant

panels is not suciently corrected.

If on the other hand, there is a high temperature zone in the

system, in addition to the low temperature one, it will be served

exclusively by the boiler through an accordingly congured

dedicated expansion connected to the System Manager.

D.H.W: operation: amongst the possible congurations with

integrated systems is the option to connect the boiler and

AUDAX TOP ErP parallel with the same coil, and use a storage

tank probe with one DHW set for the entire storage tank, and set

it in the system's Manager. If the system Manager is connected

to the boiler on external probe clamps (pre-set models), if the

set DHW temperature is < 50°C, the heat pump starts (always

checking the aforesaid convenience); however, if it is > 50°C,

AUDAX TOP ErP heats up to 50°C, then the boiler starts; if

there is no boiler but there is storage tank integrative electrical

resistance, the water is brought to 50°C via the heat pump and

AUDAX TOP ErP is then disabled, leaving the resistance to

integrate to the pre-set value.

In systems where there is a boiler or an integrative electrical

resistance on the storage tank, in addition to the heat pump, it

is also possible to enable the anti-legionella function.

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AUDAX TOP ErP

5 HEAT ADJUSTMENT WITH AUDAX TOP ErP CONTROL PANEL IN

STANDALONE APPLICATIONS (SETTING AND LOGIC OPERATION)

e Control Panel (standard supply with AUDAX TOP ErP)

enables programming of several operating options and relative

temperature/humidity control of the system.

For example, the Control Panel acquires data regarding outdoor

temperature (from the external probe), system ow temperature

(regarding the pre-set climatic curve), and also the room's hu-

midity percentage.

e standard Control Panel supplied is connected to a specic

terminal block on AUDAX TOP ErP, which enables you to

program the machine and also functions as a room temperature/

humidity sensor. It also displays the error codes in the event of

malfunctions.

e room sensor function can be disabled in order to use it only

to display the heat pump statuses and leave AUDAX TOP ErP

external control management on/o.

e user interface is composed of an LCD display, keys and an

encoder central knob.

N.B.: With system Manager applications, the Control Panel

(standard) can also function as a room temperature/humidity

probe of a system's zone.

Factory set device class: "VI"

Ref. European Commission Notice 2014/C 207/02

5.1 TECHNICAL FEATURES

e Control Panel (standard) with Standalone conguration,

enables:

• Operation with variable ow temperature according to outdoor

temperature (through the standard AUDAXTOP ErP external

probe supplied);

• Machine time band operation (C.H and cooling) in Comfort

or Economy mode;

• Any operation anomalies with error codes via system self-di-

agnosis displayed on the screen.

e Control Panel also manages the following data:

• External temperature (via external probe as per standard with

AUDAX TOP ErP);

• System ow temperature settings (C.H and cooling);

• Instant outlet temperature from the machine;

• Dew temperature;

• No. of machine operating hours.

Please note that AUDAX TOP ErP can:

• Directly pilot one/two 3-way diverter valves for D.H.W.

production, and can manage activation of an external booster

pump on the system;

• Manage activation of an auxiliary heat source (e.g. electrical

resistance);

• Manage and an external alarm that forces machine shutdown;

• Limit the machine's frequency (to reduce noise).

NOTE: With Standalone applications to manage any dehu-

midiers, you can opt for On/O room thermostats + On/

O humidistats (connected parallel with AUDAX TOP ErP),

with a relay to split the humidistat request and also take it to

the dehumidiers.

TECHNICAL DATA

• Dimensions: 100 x 129 x 37 mm (H x L x D);

• Supply voltage: 15 Vdc (directly from the Heat Pump terminal

block);

• Maximum input: 2 VA;

• 4-pole cable connection (type H03VV-F 5 x 0.75 mm2), max

length 50 m. Use wires having minimum sections of 0.5 mm2

and maximum 1.5 mm2;

• Casing protection rating: IP20.

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AUDAX TOP ErP

5.2 PROGRAMMING MENU

Once the device is powered, it goes into the status prior to switch-

o. Press the “Modo” (Mode) (2) button to cyclically select the

desired mode amongst those available.

Depending on the system's conguration, the main screen dis-

plays various information regarding the system.

Press the “Menu” (3) button to access a list of variables that

enable you to customise use of the system.

To browse the menus, which can be accessed by pressing the

relative “RH” or “LH” context buttons, scroll through the

sub-menus displayed by turning the main switch (1).

Press the said main switch (1) to select the one highlighted.

erefore, by pressing repeatedly, you can scroll down the menu

levels and go back to a previous level by pressing the “Indietro”

(Back) context button. To exit the menu completely, press the

“Esci” (Exit) button, which will take you back to the initial page

of normal operation.

To conrm the parameter change, press the main switch (1).

MAIN MENU

Menu item Description

Set Point Zone Denes the operating parameters to manage the zone

Set Point DHW Denes the operation parameters in domestic circuit mode

Time and Program Denes the date/time and time operating ranges

Information Display system operating data

Historical alarm code Displays the list of the last 10 anomalies

Service Password protected menu dedicated to a qualied technician

Language Denes the control panel operation language

1 - Main parameters switch with button to

conrm and save data

2 - Left context button

3 - Right context button

4 - Display

N.B. PARAMETERS ONLY VALID FOR AUDAXTOP 18 - 21 ErP

12:34 Fr 3 Jan 2014

Mode Menu

20.6 °C

Room set 21.0°C

67%

13°C

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AUDAX TOP ErP

5.3 USER PROGRAMMING MENU

Menu Set Point Zone

Menu item Description Range Default

Set comfort heat. Room temperature in central heating zone Comfort mode 15 ÷ 35 °C 20

Set economy heat. Room temperature in central heating zone Economy mode 5 ÷ 25 °C 17

Set ow heat. Flow temperature in room zone central heating mode 20 ÷ 60°C 40

Oset ow heat. Oset temperature for central heating zone - 15 ÷ + 15

°C 0

Set comfort cool. Room temperature in cooling zone Comfort mode 15 ÷ 35 °C 25

Set economy cool. Room temperature in cooling zone Economy mode 15 ÷ 35 °C 28

Set ow cool. Flow temperature in room zone cooling mode 4 ÷ 25 °C 8

Oset ow cool. Oset temperature for cooling zone -15 ÷ + 15

°C 0

Menu Set point DHW

Menu item Description Range Default

Set comfort DHW storage temperature in Comfort phase 30 ÷ 60 °C 50

Set economy DHW storage temperature in Economy phase 30 ÷ 45 °C 30

Menu Time and Programs

Menu item Description Range Default

Date and time Current date and time setting

Time slots Denes the time range for operation in Comfort and Economy mode

Program Zone Time programming for controlled zone

Mon - Fri

Cal 1

Sat - Sun

Cal 3

Program DHW DHW operation time programming Mon - Sun

Cal 1

Program Holiday

Denes the period during which the system disables both hot water heating and

room central heating and/or cooling functions.

At the end of the set days, the previously active functions will be reset.

Disabled

Menu Information

Menu item Description

Flow temperature Instant outlet temperature from the system

Return temperature Instant inlet temperature to the system

External temperature External temperature detected by the external probe

Flow temp. system calc. Flow temperature requested by the generators

Dew point Dew temperature

Temp DHW Storage water temperature

Firmware board version Heat pump control board software revision

Firmware display version Display software revision installed on the control panel

H.P. hours of operation Number of operating hours of the heat pump

Mode of operation H.P. Describes the heat pump operation mode.

N.B. PARAMETERS ONLY VALID FOR AUDAXTOP 18 - 21 ErP

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AUDAX TOP ErP

Menu Historical alarm code

Description

Displays the history log of the last 10 anomalies

Menu Service

Menu item Description Range Default

Password protected menu dedicated to a qualied technician

Menu Language

Menu item Description Range Default

Language Denes the control panel operation language ITA - ENG ITA

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AUDAX TOP ErP

5.4 MAINTENANCE TECHNICIAN PROGRAMMING MENU

Menu Service

Menu item Description Range

Denition of zone Zone system sub-menu settings -

Dening plant Sub-menu to dene the devices connected to the system -

Device conguration Sub-menu to set the device's conguration -

ermoreg. heat. Central heating thermoregulation setting sub-menu -

ermoreg. cool Cooling thermoregulation setting sub-menu -

ermoreg. parameters Parameters thermoregulation setting sub-menu -

Integration System integration setting sub-menu -

Heat pump Heat pump operating parameters sub-menu -

Manual Manual operating parameters sub-menu -

Factory settings Default settings restore sub-menu Yes / No

Menu Service -> Denition of Zone

Menu item Description Range Default

Mode Display the operating mode - Heat + Cool -

Room control inter-

face

Enable operation of the supplied control panel if set on “R. Panel”.

If “TA” set, the central heating and cooling requests will be made based on the

request of an external thermostat.

Remote Pan-

el/T.A. R.Panel

Enable Remote

Control

Enable operation of the supplied control panel.

If “No” is set, the control panel only displays the heat pump statuses.

N.B.: setting “No”, it is compulsory to enable the room thermostat (refer to the

next item), otherwise the machine will display an anomaly.

Yes / No Yes

Enable thermostat Enable operation of a room thermostat to check the heat pump

PdC is controlled by contacts in the said P.C.B. Yes / No No

Enable dew point Enable operation with a humidity probe in the control panel. Yes / No No

Menu Service -> Dening Plant

Menu item Description Range Default

External probe Enables operation with the external probe. No / PdC No

Enable DHW Operation in domestic circuit Yes / No No

Reduction function Enable PdC operation frequency reduction, which is controlled by the said terminal

board. Yes / No No

Power Power percentage in reduction mode. 50% ÷ 100% 75%

Circulator control Enable the pump operation with speed set “Max.speeed” or the modulating mode

with tracking of the “Modulating” temperature dierential.

Max.speed/

Modulating Modulating

Speed Min Value of minimum speed used in modulating operation. 19% ÷ 50% 50%

Speed Max Value of maximum speed used in modulating operation. 50% ÷ 100% 100%

Delta T Temperature delta to be maintained with modulating operation. 2 ÷ 20 5

N.B. PARAMETERS ONLY VALID FOR AUDAXTOP 18 - 21 ErP

N.B. PARAMETERS ONLY VALID FOR AUDAX TOP 6 - 8 - 12 - 16 ErP

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Menu Service -> Device conguration

Menu item Description Range Default

H.P. control

Setting “Yes”, the default control panel supplied manages the heat pump.

Setting “No”, the control panel does not control the heat pump and must be cou-

pled with other Immergas systems (for example, TRIO, MAGIS HERCULES, Or

System manager). If “No” is set, it displays another item “slave address”.

N.B.: if it is erroneously set to “No”, it is still possible to change the selection.

Yes / No Yes

Slave address Address to congure according to the zone where the device is installed (e.g.: zone 1

= 41, zone 2 = 42, zone 3 = 43, etc...). 1 ÷ 247 -

Menu Service -> ermoreg. Heat

Menu item Description Range Default

Discharge Set min

Without the external probe it denes the minimum ow temperature that can be

set by the user. With the external probe present it denes the minimum ow tem-

perature corresponding to operation with maximum external temperature

20 ÷ 45 °C 30°C

Discharge Set max

Without the external probe it denes the maximum ow temperature that can be

set by the user. With the external probe present it denes the maximum ow tem-

perature corresponding to operation with minimum external temperature

35 ÷ 60 °C 50 °C

External Temp. min With the external probe present it denes at what minimum external temperature

the system must operate at the maximum ow temperature -25 ÷ +15 °C -5 °C

External Temp. max With the external probe present it denes at what maximum external temperature

the system must operate at the minimum ow temperature -5 ÷ +45 °C 20°C

Menu Service -> ermoreg. Cool

Menu item Description Range Default

Discharge Set min

Without the external probe it denes the minimum ow that can be set by the user.

With the external probe present it denes the minimum ow temperature corre-

sponding to operation with maximum external temperature

4 ÷ 20 °C 7 °C

Discharge Set max

Without the external probe it denes the maximum ow that can be set by the user.

With the external probe present it denes the maximum ow temperature corre-

sponding to operation with minimum external temperature

10 ÷ 25 °C 12 °C

External Temp. min With the external probe present, it denes at what maximum external temperature

the system must operate at the minimum ow temperature 20 ÷ 45 °C 20°C

External Temp. max With the external probe present, it denes at what minimum external temperature

the system must operate at the maximum ow temperature 20 ÷ 45 °C 35 °C

Menu Service -> ermoreg. Parameters

Menu item Description Range

Room probe modul.

It enables you to set operation of the control panel as modulating on/o: Set “Yes”, the

ow temperature will be varied depending on the room temperature set. Set “No”, the

ow temperature will be kept constant until the desired room temperature is reached.

N.B.: if an outdoor temperature probe is present, the ow temperature will be set

depending on the relative functioning curve

Yes / No Yes

System inertia

It establishes the system reaction speed according to the type of system present.

Example:

5 system with little heat inertia

10 system with normal dimensions with radiators

20 system with a lot of heat inertia (e.g. oor-standing system)

1 ÷ 20 10

Antifreeze enable Enables the room antifreeze function Yes / No Yes

Antifreeze set Allows to set the room temperature for activation of the anti-freeze function 0 ÷ 10 °C 5 °C

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Menu Service -> Integration

Menu item Description Range Default

Electrical integration It establishes the type of integration in the system: “Sys.” enables the system integra-

tion, “San” the DHW integration, “San+Sys.” enables both integrations

- None

- Sys.

- N.A.

- San

- San + Sys.

None

Contemp. Temp.

intgr.

Temperature threshold below which integration is activated and the heat pump

maintained on. -20 ÷ +15 °C -20 °C

Min. temp. of inte-

gration

Temperature threshold below which integration is activated and the heat pump is

switched o. -20 ÷ +15 °C -20 °C

Waiting time integra-

tion

Standby to reach the set value before activating integration when outdoor tempera-

ture is below the previously set temperature values (minimum integration tempera-

ture and simultaneous integration temperature).

5 ÷ 120’ 60’

Counter reset H.P. Reset the number of operating hours of the heat pump Yes / No No

Integration device It establishes the type of integration in the system

- None

- Electrical re-

sistance

None

Min. Temp. of inte-

gration

Temperature threshold below which integration is activated and the heat pump is

switched o -20 ÷ +30 °C -20 °C

Contemp. Temp.

integration

A value that is equal to, or higher than, the minimum integration temperature must

be set.

Activate central heating integration when the outdoor temperature is below the set

value, the set intake requested has not been reached, and the heat pump remains

active

0 ÷ 60 °C 20°C

Waiting time integra-

tion

Standby to reach the set value before activating integration when outdoor tempera-

ture is below the previously set temperature values (minimum integration tempera-

ture and simultaneous integration temperature)

0 ÷ 600’ 60’

Counter Reset H.P. Reset the number of operating hours of the heat pump Yes / No No

Menu Service -> Heat pump

Menu item Description Range

Flow temperature Instant outlet temperature from the system

Flow temp. system calc. Flow temperature requested by the generators

Comp. discharge temp. Current heat pump compressor temperature 0 ÷ 100 °C

Comp. suction temp. Compressor inlet temperature -20 ÷ 100 °C

BPHE refrigerant temp. Coolant temperature inside the plate heat exchanger -20 ÷ 100 °C

Coil refrigerant temp. Battery temperature -20 ÷ 100 °C

Outdoor Air Temp. Room temperature -20 ÷ 100 °C

Max freq. compressor Maximum frequency in current operating conditions 0 ÷ 200 Hz

Requested frequency Frequency requested by the control board 0 ÷ 200 Hz

Actual frequency Current compressor frequency 0 ÷ 200 Hz

Compressor runtime Number of hours of operation of the compressor

N.B. PARAMETERS ONLY VALID FOR AUDAXTOP 18 - 21 ErP

N.B. PARAMETERS ONLY VALID FOR AUDAX TOP 6 - 8 - 12 - 16 ErP

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Menu Service -> Heat pump

System mode Indicates the system's operating mode

0 = O

1 = Standby

2 = Cooling

3 = Central heating

4 = Extra central heating

5 = Extra cooling

6 = Central heating reduction

7 = Cooling reduction

8 = Antifreeze protection

9 = Defrosting

10 = High temperature protection

11 = Surveillance time

12 = Anomaly

Flow switch Indicates circulation inside the hydraulic circulator On / O

Flag anomalies H Indicates any multiple anomalies on the heat pump

Flag anomalies L

Communication status

Indicates the communication status between the control panel and heat

pump

2 or more than 2 = communication OK

0 = communication problem

Menu Service -> Manual

Menu item Description Range

Manual

0 = No manual forcing

1 = “On” heat pump circulator

2 = “On” alarm outlet on clamp N° 5

3 = “On” external circulator on clamp N° 4

4 = Alarm/defrosting outlet on clamp N° 11

5 = Outlet for integration resistance on clamp N° 12

6 = DHW 3-way valve outlet on clamp N°10

0 ÷ 6

N.B: Before exiting this menu, remember to bring the value to “0” (zero) for correct operation.

N.B. PARAMETERS ONLY VALID FOR AUDAX TOP 6 - 8 - 12 - 16 ErP

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AUDAX TOP ErP

Menu Heat Pump

Menu item Description Range

Working parameters Sub-menu for working data -

State Sub-menu for operating state -

Auxiliary info Sub-menu with other operating data -

P.C.B. settings Sub-menu to congure the P.C.B.

Menu Heat Pump -> Working parameters

Menu item Description Range

Flow temperature Instant outlet temperature from the system

Return temperature Instant inlet temperature to the system

Calculated system temperature

set Flow temperature requested by the generator

Compressor outlet temperature Current heat pump compressor temperature

Compressor intake temperature Compressor inlet temperature

Compressor intake sat. temper-

ature Compressor inlet saturation temperature

Coolant temperature on ex-

changer Coolant temperature inside the plate heat exchanger

Coil temperature low part Coil temperature, low side

Coil temperature high part Coil temperature, high side

External Temperature External room temperature

PdC frequency Current compressor frequency

System mode Indicates the system's operating mode

0=O

1 = Cooling

2 = Central heating

4 = DHW

6 = Central heating integration

7 = Defrosting

24 = DHW met

100 = Anomaly

101 = Cooling anomaly

102 = Central heating anomaly

104 = DHW anomaly

106 = Integration anomaly

107 = Defrosting anomaly

N.B. PARAMETERS ONLY VALID FOR AUDAXTOP 18 - 21 ErP

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AUDAX TOP ErP

Menu Heat Pump -> State

Menu item Description Range

System stat Indicates the current system mode

0 = O

1 = Wait after ignition

2 = Minimum compressor on time

3 = Minimum compressor o time

4 = delay for mode change

5 = Step 1 compressor

6 = Step 2 compressor

7 = Step 3 compressor

8 = Step 4 compressor

9 = Compressor stop delay

11 - Frequency reduction on

20 = Defrosting

39 = Minimum external temperature for central

heating

40 = Maximum external temperature for central

heating

41 = Maximum ow/return value in central heating

42 = Low external temperature in central heating

43 = Very high external temperature in central heating

44 = High external temperature (compressor limita-

tion)

45 = Step 1 High temperature protection in central

heating

46 = Step 2 High temperature protection in central

heating

47 = Step 3 High temperature protection in central

heating

48 = Step 4 High temperature protection in central

heating

50 = Minimum external temperature for cooling phase

51 = Minimum machine inlet temperature for cooling

phase

52 = External temperature <15°C in cooling phase

53 = External temperature >26°C in cooling phase

54 = External temperature >40°C in cooling phase

55 = Low saturation temperature

57 = Step 2 antifreeze protection in cooling

58 = Step 1 antifreeze protection in cooling

61 = External temperature <0°C and ow temperature

> 12°C in cooling phase

62 = External temperature <0°C in cooling phase

70 = Protection for lack of ow rate

80 = Protection for oil return

85 = Compressor o from inverter

91 = Central heating integration

N.B. PARAMETERS ONLY VALID FOR AUDAXTOP 18 - 21 ErP

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AUDAX TOP ErP

Menu Heat Pump -> State

Menu item Description Range

Integration status Indicates the operating mode of the part of integration

-1 = integration disabled

0 = O

1 = Integration on

2 = Integration on

3 = Integration on during defrosting

4 = Integration on for heat pump anomaly

5 = Integration on for low external temperature

12 = Integration o for DHW request

13 = Capacity Limit

50 = Integration not allowed

51 = No CH request

100 = Integration anomaly

DHW state Indicates the operating mode during DHW request

-1 = DHW disabled

0 = DHW enabled

1 = DHW not active (request for central heating or

cooling)

2 = ree-way DHW drive

100 = DHW anomaly

Flow switch Indicates circulation inside the hydraulic circulator On/o

Input status On/o Indicates the input state for the on/o control On/O

DHW Request Indicates the presence of a heat request by the DHW

storage On/O

Input status reduction Indicates the input state for the reduction control On/O

Fault

(Current alarm code) Current anomaly code

Fault Inverter Inverter anomaly code

Menu Heat Pump -> Auxiliary info

Menu item Description Range

Overheating temp. Indicates the overheated gas temperature

Overheating target temp. Indicates the overheated gas required temperature

Inverter Temp. Indicates the inverter temperature

Max freq. compressor Indicates the maximum frequency that can be reached by the compressor with the

present conditions

Requested frequency Indicates the frequency requested from the compressor

Fan speed Top Indicates the upper fan speed

Fan speed Low Indicates the lower fan speed

Circulator speed Indicates the pump speed

Water control point Temperature control set

Water temp. control Reference probe for the temperature control set

N.B. PARAMETERS ONLY VALID FOR AUDAXTOP 18 - 21 ErP

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AUDAX TOP ErP

Menu Service -> Test switch Max. press.

Menu item Description Range

Test pressure switch

Test method for high pressure switch.

N.B. to run the test, set the value to 1 and wait for the test result

0 = O

1 = Test required

N.B. the following states are managed by

the machine DO NOT USE

2 = AP Test in progress

3 = AP Test performed correctly

4 = AP Test failed for maximum time

reached

5 = AP Test failed for ow switch error

6 = AP Test failed for low water temper-

ature

7 = AP Test failed for inverter error

Menu Service -> Manual

Menu item Description Range Default

Manual operation

Forcing of the heat pump operation

N.B. all controls on the ow and return sensors are disabled with these

modes.

0 = O

1 = Test cooling

2 = Test central heating

3 = Test cooling with

ramp

4 = Test central heating

with ramp

Circulator speed Pump speed forcing 0% ÷100% 0%

Flow switch Indicates circulation inside the hydraulic circulator O/On

ree way DHW Force the output for the DHW 3-way control O/On O

N.B. PARAMETERS ONLY VALID FOR AUDAXTOP 18 - 21 ErP

Menu Heat Pump -> P.C.B. settings

Menu item Description Range

Unit Type It establishes whether the machine is of reversible type

- Central heating

- Cooling

- Central heating + Cooling

Unit Size It establishes the Unit power

- 6 KW

- N.A.

- 8 KW

- N.A.

- 12 KW

- N.A.

- 16 KW

- N.A.

- 18 KW

- N.A.

- 21 KW

Power Supply

integration It denes the Unit power supply voltage 230Vac - 400Vac

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This manual suits for next models

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