IV Produkt Control Unit IVC3
IVC3 Basic Manual 2004-12-15.doc
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Settings
Setting
Description
Night cooling
Interv.:
10-250 min
Delay before starting night cooling after end of daytime.
Only when extract air temp. sensor is used.
Night cooling
Start:
0-60
°
C
Start and stop temperature night cooling.
Start limit: room/extract air temp. >= Start
Stop limit: room/extract air temp. <= Start –1°
2.11 Night heating
Night heating is selected from operation terminal (Not installed / Installed).
IVC3 measures outdoor temperature continuously during operating time to decide if night heating is
possible after ordinary operating time. Night heating is not allowed if outdoor temperature constantly
has exceeded 20° during one hour
2.11.1 Night heating, extract air temperature sensor
The IVC3 will after operating-time wait a set delay before starting night heating. Controller measures
extract air temperature for 5 minutes to decide if night heating is needed. If extract air temperature
after check not exceeds set start limit (Night heating start) the unit would than continue until extract air
temperature are more than 1° above start point. Unit will in night heating mode run on forced speed
SA. It 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 temperature are more than 1° above start point. Unit will in night heating mode run on forced
speed SA. It 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.
2.11.3 General conditions for night heating
The revolving recover are blocked if EA has been set not to run during night heating.
Night heating has a min run time of 20 minutes.
2.11.4 Night heating, settings
Setup
Setting
Description
Night heating Not installed/
Installed
Select if night cooling is to be used.
Settings
Setting
Description
Nattvärme
Interv.:
10-250 min
Delay before starting night heating after end of daytime.
Only when extract air temp. sensor is used.
Nattvärme
Start:
0-60
°
C
Start and stop temperature night cheating.
Start limit: room/extract air temp. <= Start
Stop limit: room/extract air temp. >= Start+1
°
EA night
heating
Start/Stop
Select if exhaust air fan is to be used at night heating.
2.12 Limited air flow