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IV Produkt Control Unit IVC3

IVC3 Basic Manual 2004-12-15.doc

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A rotation guard sensor connected to a digital input detects that the VVX is running. If the rotation

sensor don’t register a signal within every five minutes a B-alarm generates.

The revolving heat recover are running 12 minutes every 4 hour for conditioning.

2.5 Heater

By IVC3 an electrical or a water heater-battery can be controlled (selected in operation unit)..

Setup

Setting

Description

Config. Heater Water/El

Selection of a water-heater or an electrical-heater.

2.5.1 Water-heating-battery

Water-heater is controlled in sequence with heat-recovery by 0…10V signal.

Freeze guard in IVC3 controls temperature in heater-battery (Setp. Freeze) by open valve at

decreasing temperature. If heater water temperature are decreasing below (Alarm Freeze) fan stops

and a A-alarm generates.

Set point for freeze guard (Setp. Freeze) decreases 13° at running unit.

Circulation pump for warm water configures for either exercise or continues operation. If exercise are

selected the pump will stop when outdoors temperature exceeds set limit (Temp. pump stop) plus a 2°

hysteresis, pump will start when outdoor temperature decrease set limit.

The pump will always start if valve opens.

Pump run are off delayed 4 minutes.

Pump exercises one minute once a day when stopped.

Setup

Setting

Description

CP Heat

Exercise/

Cont.operation

Selects if pump should operates continuously or if it should

stop during summer.

Settings

Setting

Description

Temp. pump stop

-30 - +30

Selection of outdoors temperature for start/stop of

circulation-pump when configured as exercise

Setp. Freeze

0 - +60

Setpoint for minimum water temperature at non operating

unit (at operating unit the set point decreases with 13°).

Alarm Freeze

0 - +60

The water temperature for a freeze alarm, an A-alarm is set

up and the unit stops immediately.

Warm water valve (V)

Warm water temperature

(ºC)

Freeze guard, water heater

Setp. Freeze (unit stopped)

Setp. Freeze decr. 13º (unit runs)

4º

Alarm Freeze

A-alarm

Unit stops

Содержание IVC3

Страница 1: ...IV Produkt Control Unit IVC3 IVC3 Basic Manual 2004 12 15 doc Basic Manual IVC3 Control System Rev 1 0 ...

Страница 2: ...ht cooling extract air temperature sensor 9 2 10 2 Night cooling room temperature sensor 9 2 10 3 General conditions for night cooling 9 2 10 4 Night cooling settings 9 2 11 Night heating 10 2 11 1 Night heating extract air temperature sensor 10 2 11 2 Night cooling room temperature sensor 10 2 11 3 General conditions for night heating 10 2 11 4 Night heating settings 10 2 12 Limited airflow 10 2 ...

Страница 3: ...nd outputs 14 7 1 Digital output relay 14 7 2 Digital output triac 15 7 3 Analogue output 0 10VDC 15 7 4 Analogue input passive sensor 15 7 5 Digital input from free contacts 15 8 Parameter lists 16 8 1 Menu Status 16 8 2 Menu Setup 16 8 3 Menu Settings 17 8 4 Menu Clock 18 9 Communications 18 ...

Страница 4: ...mal speed Unit operates with SA and EA at forced speed Unit operates with fan speed according to time schedule 2 3 Fan speed normal and forced Four different operation modes can be set STOP NORMAL FORCED and AUTO Settings Setting Description SA normal 0 100 SA peed at normal speed EA normal 0 100 EA peed at normal speed SA forced 0 100 SA peed at forced speed EA forced 0 100 EA peed at forced spee...

Страница 5: ...ing unit Circulation pump for warm water configures for either exercise or continues operation If exercise are selected the pump will stop when outdoors temperature exceeds set limit Temp pump stop plus a 2 hysteresis pump will start when outdoor temperature decrease set limit The pump will always start if valve opens Pump run are off delayed 4 minutes Pump exercises one minute once a day when sto...

Страница 6: ...art and stop parameters for DX cool are to be set in parameter menu DX cool start DX cool stop DX cooler are start delayed 2 minutes Heat recovery is delayed 2 minutes after a cooling sequence Setup Setting Description Cool battery Not installed Installed Select if a cooler is to be controlled CP cool Excesice Cont operation DX cool Circulation pump run at needs whit exercise Circulation pump cont...

Страница 7: ...ain setpoint extract air temperature Min Supply air 0 60 C Minimum supply air temperature Max Supply air 0 60 C Maximum supply air temperature 2 8 3 Room control Constant room temperature with min and max limits for supply air Room temperature sets set point for supply air to maintain a constant extract air temperature Cascade factor 5 Settings Setting Description Setp Main 0 60 C Main setpoint ro...

Страница 8: ... fan forced 30 30 C See fig above 2 9 Control sequence Cooler heat recovery VVX and heater will in sequence control the temperature At warming demand the output to cooler decreases than VVX starts with different run stop intervals out of needs at digital VVX or with an increasing output signal at analogue VVX and finally increased output signal to heater The sequence is opposite at cooling request...

Страница 9: ...A Cooler recovery and heater are always blocked during night cooling 2 10 2 Night cooling room temperature sensor Controller measures continuously room temperature to decide if night cooling is needed If room temperature exceeds set start limit Night cooling start the unit will start for night cooling until room temperature are more than 1 below start point Unit will in night cooling run on forced...

Страница 10: ...t is selectable in operating terminal if EA are to be used in night heating EA night heating Ordinary temperature set points are used in night heating 2 11 2 Night heating room temperature sensor Controller measures continuously room temperature to decide if night cooling is needed If room temperature drops below set start limit Night heating start the unit will start for night heating until room ...

Страница 11: ...this point there is no compensation Outd comp summer Temp 2 30 30 C Setpoint for full summer compensation at this point compensation has is full influence on temp control Outd comp summer Comp 30 30 C The value that compensation would achieve at Temp 2 summer Outd comp winter Temp 1 30 30 C Setpoint for full winter compensation at this point compensation has is full influence on temp control Outd ...

Страница 12: ...it stops 3 4 Alarm pump overheating Alarm activates by fault indication from pump or if electrical heater indicates overheating Alarm at closed contact Alarm is set by a closing external contact Result water heater alarm category B unit stops if heater valve are opened unit operates as usual if heater valve are closed Result electrical heater alarm category B unit operates as usual electrical heat...

Страница 13: ... alarm and unit operates as usual No alarm would be set up at a unit without cooler if outdoor temperature exceeds 20 C Settings Setting Description Alarm temp fail 0 60 C Deviation limit from setpoint for supply air temperature a B alarm is set up after more than 30 minutes deviation An A alarm is set up and unit stops if temperature drops more than 5 below low limit 4 Time schedule At Fan mode s...

Страница 14: ...n an output is manually set Only configured outputs are enable for manual overrun Not configured outputs are hidden or displayed not installed Settings Setting Description SA man 0 100 Supply air fan manual overrun output value EA man 0 100 Exhaust air fan manual overrun output value Rot VVX man 0 100 Revolving heat recovery manual overrun output value H valve man 0 100 Heater valve manual overrun...

Страница 15: ...ving heat recovery VVX 230 VAC 7 3 Analogue output 0 10 VDC 1 Heater 2 Cooler 3 Supply Air fan SA 4 Exhaust Air fan EA 5 Heat recovery VVX 7 4 Analogue input passive sensor 1 Supply air temperature 30 C 80 C 2 Outdoor air temperature 30 C 80 C 3 Freeze protection temperature 30 C 80 C 4 Exhaust air room temperature 30 C 80 C 7 5 Digital input from free contacts 1 Alarm fans 2 Extended operation in...

Страница 16: ...rcise Cool battery Not installed Installed Select if a cooler is to be controlled Not installed CP cool Exercise Cont operatio n DX cool Circulation pump run at needs with exercise Circulation pump continuous run DX cooler controls on off by digital output Exercise Config VVX Digital Analog Selection if VVX is to be controlled by an analogue o 10V or a digital output Digital Night cooling Not inst...

Страница 17: ...its to normal speed at outdoor temp below set value Climate adapted control Low outdoor temperature fan speed normal at and below this point See fig 25 C 0 C Outd Temp fan forced 30 30 C Only at Climate adapted control High outdoor temperature fan speed forced at and above this point The point where controller shift between supply and extract air control See fig 14 C Outd comp summer Temp 1 30 30 ...

Страница 18: ... be used at night heating Start SA man 0 100 Supply air fan manual overrun output value 0 EA man 0 100 Exhaust air fan manual overrun output value 0 Rot VVX man 0 100 Revolving heat recovery manual overrun output value 0 H valve man 0 100 Heater valve manual overrun output value 0 C valve man 0 100 Cooler valve manual overrun output value 0 El heater man 0 100 Electrical heater manual overrun outp...

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