Nibe F1226 series User Manual

■
External switch for changing the room heating activ-
ated.
–
Check any external switches.
■
Air in the climate system.
–
Vent the climate system (see page 25).
■
Closed valves (QM20), (QM32) to the climate system.
(QM40), (QM41) to the climate system.
–
Open the valves.
High room temperature
■
Too high set value on the automatic heating control.
–
Enter menu 1.1 (temperature) and reduce the offset
heating curve. If the room temperature is only high
in cold weather the curve slope in menu 1.9.1
"heating curve" needs adjusting down.
■
External switch for changing the room heating activ-
ated.
–
Check any external switches.
Low system pressure
■
Not enough water in the climate system.
–
Top up the water in the climate system (see page
25).
The compressor does not start
■
There is no heating requirement.
–
The heat pump does not call on heating nor hot
water.
■
Temperature conditions tripped.
–
Wait until the temperature condition has been reset.
■
Minimum time between compressor starts has not
been reached.
–
Wait 30 minutes and then check if the compressor
has started.
■
Alarm tripped.
–
Follow the display instructions.
NIBE F1226Chapter 10 | Disturbances in comfort46

Nibe F1226 series Specifications

General

Type	Ground Source Heat Pump
Refrigerant	R407C
Dimensions (HxWxD)	1800 x 600 x 620 mm
Max Flow Temperature	58°C
Integrated Hot Water Tank	Yes
Control System	Nibe SMO 20
Power Supply	400V 50Hz