ACV Control Unit THETA Istruzioni per l'uso

Marca: ACV

Modello: Control Unit THETA

Tipo: Istruzioni per l'uso

For more information see Operating Instructions -

Temperature settings

Operating instructions summary

for standard unit and boiler control panel

For more information see Operating Instructions -

Special operating modes - Manual mode

Operation and and symbols Geral functions

With the combination knob values are selected, parameters

modified and, by pressing the knob they are memorized.

Turn to the right (+): increase values

Turn to the left (–): decrease values

Press once: Acceptance of the selected and indi-

cated value

eep pr

essed: Entry into the programming level,

re-entry into the previous selection

3 sec

Standard display

Weekday, date, time, boiler

temperature

The current operational mode

is indicated by an arrow poin-

ting to the appertaining symbol

63.5

16:32

MO. 22. AUG.;05

°C

63.5

16:32

MO. 22. AUG.;05

°C

Sun shade symbol:

Summer mode is activated

(heating switched off, hot-water

according to timer-program)

Frost cristal symbol:

Frost protection mode is

activated

63.5

16:32

MO. 22. AUG.;05

°C

Affichages spéciaux

50-4

EjjOR

HEAT.GEN

Error message (example)

appears alternating with

standard display

Call heating specialist!

-72.5

0058. 5

MANUAL

°C

keep pressed for approx. 5 seconds

Manual mode (adjust boiler temperature)

required boiler temperature

boiler temperature

modify

temperature

return to previous operational mode

For more information see Operating Instructions -

Temperature settings

Heating curves

The adjustment of the heating curve is dependent of the

plant installation and shows the relation between the outside

temperature and the heating water temperature.

Recommended setting values:

The calculation of the required heating energy is based on

the coldest avarage outdoor temperature and can be reque-

sted from the heating specialist.

Setting the heating curve

For more information see Operating Instructions -

Setting the heating characteristics.

50.0

DAY

DHW

°C

setting range: 10°C to DHW-max.

Setting the required hot-water temperature

setting range: 5.0 to 30 °C

20.0

ROOM-DAY

°C

Setting the required daytime temperature

Note:

For separated control mode the relevant heating circuit must be

selected first before setting daytime or set-back temperature!

setting range: 5.0 to 30 °C

16.0

ROOM-NIGHT

°C

Setting the required set back temperature

Heating system

-12°C -15°C -18°C

Underfloor 1.10 1.00 0.90

Radiator 1.70 1.55 1.45

Convector 2.20 2.00 1.85

modify

temperature

modify

temperature

modify

temperature

coldest outside temperature (regional)

select

heating circuit

1.50

HEAT.CURVE

confirm selected circuit

1.50

HEAT.CURVE

room temp. too warm: decrease slope

room temp. too cold: increase slope

modify

slope

store modification

terminate (exit to standard display)

Modify next heating circuit(s) in the same way, if necessary.

Attention! Alter only in small steps and in intervalls of 0.1

every 1 or 2 days. Thermostatic radiator valves

should almost be opened fully.

= direct circuit / MC1= mixer heating

circuit1/ MC2= mixer heating circuit 2

æçèéêëìí

When pressed the boiler operates at its maximum preset

temperature for 20 minutes. After this time the emission

measurement can be started again.

For more information see Operating Instructions -

Special operating modes -Emission measure-

ment

For more information see Operating Instructions -

Temperature settings

Operational elements (standard unit)

1 – Main knob with two functions (turn, push)

2 – Setting daytime temperature

3 – Setting set back temperature

4 – Setting hot-water temperature

5 – Heating and set back operational modes

6 – Setting heating characteristics

7 – Displaying operation information and temperatures

8 – Manual mode and emission measurement

9 – Backlit LCD display

10 – Operating instructions summary slot

Art. 0450017005 - 0525-21

Subject to change

see standard unit, additionally under hinged cover:

11 – Safety temperature limiter (STB)

12 – Mains fuse

13 – Mains switch

Operational elements (boiler control panel)

72.5

20: 00

EMISSION

°C

min

Emission measurement (for flue cleansing)

remainig time since set

current boiler

temperature

early termination of emission measurement

6699..55

1166::3322

MMOO.. 2222..AAUUGG..""0055

°C

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The following operational modes can be selected:

1. Short period operational modes:

HOLIDAY Heating and hot-water operation swit-

ched-off frost protected for holiday peri-

od.

ABSENT

Heating operation is interrupted until set

time of return.

PARTY

Heating operation is continued until end

of party.

2. Automatic operational modes:

éé

AUTOMATIC Heating and hot-water operation automati-

cally according to selected timer program.

êê

SUMMER Only hot-water operation according to selec-

ted timer program and hot-water temperature

3. Permanent operational modes:

HEATING Heating and hot-water operation continu-

ously to the set temperatures

RED.HEATING Heating and hot-water operation continu-

ously to the set reduced temperatures

STANDBY Complete heating plant frost protected.

switched-off

Selection of operational modes:

Pressing the button

¢¢

, the previously selected mode

appears flashing. The other operational modes can be selec-

ted and activated with the knob, simultanously an arrow at the

lower edge of the display points to the appertaining program

symbol.

Example: Select and activate AUTOMATIC- operational mode

Note: For separ

ate selection of operational mode first select

corresponding heating circuit!

At selected short period operational modes the corresponding

time settings such as date of return (HOLIDAY) or time of

Description in detail see Operating Instructions - sections

• Operational mode selection for heating and hot-water

• Functions of operational modes

• Quick operational mode selection

Operational modes (æçèéêëìí)

activate

return (ABSENT) or extended heating operation (PARTY) can be

adjusted).

Example: Set and activate holiday mode

TIMEPROGRAMS

20.0

MO-1

06.00-08.00

PjOGjAM

1. Select heating or hot-water circuit

Setting range: Direct circuit (HC), mixer heating circuit 1 (MC1)*,

mixer heating circuit 2 (MC2)*, domestic hot-water circuit (DHW)

2. Select operating times program

Appears only after clearance (see level selection SYSTEM/Parameter PROGRAM = P1-P3)

Setting range: P1, P2, P3

3. Select weekday and heating cycle

Setting order: Mon 1. cycle - Mon 2. cycle, Tue 1. cycle - Tue 2. cycle.. etc. ..Sun 2. cycle

Note: A third cycle is available if the second cycle is programmed.

4. Heating start (

= 1. switching-on time)

Setting range: 0.00 to 24.00 h

Note: The switching-on time is shown additionally by a flashing segment on the upper time bar.

246

18 2220

81416

20.0

MO-1

06.00 -08.00

246

18 2220

81416

Entry into level selection: Press knob for approx. 3 seconds

3 sec

Entry into the operating times

20.0

MO-1

06.00-08.00

7. Select next weekday and/or heating cycle

if necessary, select and program next heating cycle or weekday as described under 3.

246

18 2220

81416

5. Heating end ( = 1. switching-off time)

Setting range: 0.00 to 24.00 h

Note: The switching-off time is shown additionally by a flashing segment on the upper time bar.

20.0

MO-1

06.00-08.00

246

18 2220

81416

6. Cycle temperature ( = temperature during heating resp. hot-water operati-

on)

Setting range for heating circuits (HC, MC1, MC2): 5.0 °C to 30 °C

for hot-water circuit (DHW): 10.0 °C to maximum DHW-delimitation

Attention: When changing daytime temperature (button

¥¥

) or hot-water temperature

(button

§§

) all related cycle temperatures will be changed by the same amount.

20.0

MO-1

06.00-08.00

246

18 2220

81416

°C

Select operating times

set

Automatic

Current operational mode

* not in all units available

27.08

HOLIDAY TIL

27.08

HOLIDAY TIL

. . .

select

Holiday

set

date of return

activate

Current operational mode

°C

æçèéêëìí

. . .

Plant information

The information button displays general information such as tem-

peratures and plant conditions.

Turn knob clockwise:

– Temperatures (real and nominal values)

– variable inputs (function and values)

– meter reading such as consumption datas etc.

Turn knob anti-clockwise:

heating circuit information such as

– Operational mode (Holiday, Absent, Party, Automatic, etc.)

– Operating times program (P1 or P1-P3 after clearance)

– mode of operation (daytime or reduced mode, ECO-mode)

– Heating circuit identification (HC, MC1, MC2, DHW)

– Status of heating circuit pumps (ON-OFF)

– Status of mixer position (OPEN-STOP-CLOSE)

– Status of boiler (ON-OFF)

– Status and function of variable outputs

Note: The plant information appear only if available at the type

of instrument.

Description in detail see Operating Instructions - section

Plant information

Programming operating times

Operating times will be programmed as shown below. More informationl see Operating Instructions -

Programming of operating times.

Each setting flashing on the display can be adjusted with the knob and confirmed by pressing it. Re-entry into the previous

selection is done via the info button

¤¤

, re-entry into the standard display via the button

¢¢

or automatically after

approx. 60 seconds.

AUTOMATIC

æçèéêëìí

ACV Control Unit THETA Istruzioni per l'uso

Marca: ACV

Modello: Control Unit THETA

Tipo: Istruzioni per l'uso

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