Channel descriptions
You can browse back and forth through the display's chan-
nels using the Plus and Minus buttons.
To modify a value, first press the Enter button to activate
modification mode, the value flashes. Adjust the value as
required using the Plus button or Minus button. Holding the
Plus button or Minus button in for about 3 seconds speeds
up the change in value. Then confirm using the Enter button.
The value will stop flashing.
The instructions are divided into three parts: status, temper-
atures and settable values.
Quick movement between the different types is carried out
by pressing the enter button when STATUS, TEMP. or AD-
JUST. are displayed.
Status
These channels show the status and statistics.
Channel
Shows the operating status of F2025.S1
Value
Normal operation.01
Defrosting is run.02
Cold outdoor air temperature.03
High return temperature.04
Low pressure pressostat has tripped.05
High pressure pressostat has tripped.06
Motor cut-out has tripped.07
Sensor alarm. One of the temperature sensors is
defective.
08
Communication error (only when SMO 10/VVM300
is connected).
09
High pressure pressostat has tripped during defrost-
ing (resets automatically)
10
Not used.11
Flow and return line sensors fitted incorrectly.12
Hot outdoor air. Appears when the outdoor air
heater temperature exceeds 35 °C.
13
High flow temperature.14
Defrosting interrupted. Appears if defrosting is un-
successful 3 times in a row.
15
Short operations times. Appears if operation time
has been shorter than 2 minutes 3 times in a row.
16
Hot gas alarm. Appears when the hot gas exceeds
120 °C. The alarm resets automatically when the
temperature falls below 60 °C. If the alarm is activ-
ated 3 times within 240 minutes it becomes continu-
ous.
17
Incorrect direction of rotation. Note! At quick start
ensure that the hot gas temperature has fallen to
approx. 40 °C before start.
18
Value
Shows the compressor status.
Compressor off.00
Compressor on.01
Compressor blocked due to an alarmXX
Compressor start in nn minutes.nn
S2
Shows the number of compressor starts, accumulatively.S3
Shows the compressor's operating time in hours, accumu-
latively.
S4
Shows the operating hours for connected additional heat,
accumulatively.
S5
Shows whether any additions are activatedS6
Active input indicated by 1.
Deactivated input indicated by 0.
Alarm input status (HP, LP and MS), 1 indicates the input
is OK.
S7
S7 1/1/1
25F2025
For the Installer
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