Nibe GV-HR 120, Руководство по установке

Страница: 27 / 40

The control can manage an earth heat exchanger
with a damper. The relay is engaged in one of the
two following circumstances: 5
• The outdoor temperature, sensor T9, is lower than
the set value in Service menu, menu 26 - "Frost".
• The outdoor temperature, sensor T9, is more than
1°C above the set temperature in Service menu,
menu 10 - "Level 1 supply air" and 1°C above cur-
rent room temperature.
MENU 28 - STOP THE UNIT
Setting range: "On" and "off"
Factory setting: "Off"
The installation can be switched off by pressing and
holding the "Speed" button for 4 seconds.
Select "on" to activate the function.
MENU 29 - INTERRUPT BYPASS T3
Setting range: 0 - 20 °C
Default value: 4 °C
Here you set the outdoor air temperature at which the
bypass damper (QN37) will be closed, to prevent cold
air from being blown into the home.
This value is an expression of the largest permitted dif-
ference between the desired temperature set in User
menu, menu 1 - "Temperature", and the lowest permitted
supply air temperature.
NOTE
Incorrect settings in this menu may damage
the installation.
MENU 30 - MODBUS MODE
Setting range: 0 - 2
Default value: 0
Modbus switched off 0
9600 Baud 1
19200 Baud 2
NOTE
Incorrect settings for Modbus may damage the
installation.
MENU 31 - MODBUS ADDRESS
Setting range: 1 - 247
Default value: 1
Set the address here.
See the accessory installation instructions for function
description.
MENU 32 - HUMIDITY, MAX. TEMP.
Setting range: 5 - 25 °C
Default value: 15 °C
Here you set the end point for outdoor temperature
compensation (T3), see the x-axis in the diagram "
Set
point value, humidity " on page 17 .
MENU 33 - HUMIDITY, MAX. VALUE
Setting range: 35 - 85%
Factory setting: 60%
Here you set the end point for outdoor temperature
compensation (T3), see the y-axis in the diagram "
Set
point value, humidity " on page 17 .
MENU 34 - HUMIDITY, VENTILATION SPEED
Setting range: 5 - 30%
Factory setting: 15%
Here you set the amount by which the fan speed may
deviate in relation to the desired fan setting.
The factory setting of 15% means that the fan speed
may be 15% higher or lower than the set value in menu
Service menu, menu 11 - "Level 2 supply air", 12 - "Level
3 supply air", 14 - "Level 2 exhaust air" and 15 - "Level 3
exhaust air".
MENU 35 - HUMIDITY, CONTROL
FREQUENCY
Setting range: 1 - 60 min.
Factory setting: 10 min
Here you set the desired frequency for how often the
fan speed may be changed. The adjustment is made at
1% for each time unit, e.g. for every 10 minutes.
MENU 36 -
Not used.
MENU 37 - AIR HEATER PI P
Setting range: 1 - 255
Default value: 5
The electrical air heater (EAH 21) is controlled with PI
control.
In this menu, you set the desired amplification (the P
section).
27 Chapter 8 | Control - Menus NIBE GV-HR 120-400