Process 2
First start after the heat pump has been powerless.
Cooling operation:
The compressor starts with the speed in ”A rps”.
At outdoor temperatures above 35 °C, the start value
speed changes to “C rps”.
Heating operation:
The compressor starts with the speed in “A rps”.
At HM in (BT3) temperature above 48 °C, the start speed
is changed to “C rps”
5 minutes
and higher
Between
1 and 5
minutes
Between
0 and 1
minute
Time from
start
State
C rps
B rps
A rps
-
32
40
Speed
AMS 10-6
Heating
mode
C rps
B min
A rps
State
_
10
20
Speed
AMS 10-8
Cooling
mode
30
10
55
Speed
AMS 10-
12/-16
_
_
_
Speed
AMS 10-8
Heating
mode
30 *
2
55
Speed
TAMS 10-
12/-16
*The compressor speed is locked at A rps for B minutes
after start-up.
Process 3
Compressor starts in heating operation after having been
switched off for 2 hours or more.
The compressor starts with the speed in “A rps”.
At HM in (BT3) temperature above 48 °C, the start speed
is changed to “C rps”
B min
A rps
State
3
40
Speed AMS
10-6
Heating
mode
15
40
Speed AMS
10-8
15
55
Speed AMS
10-12/-16
*The compressor speed is locked at A rps for B minutes
after start-up.
Fan speed
The fan starts at the lowest speed. This does not apply
to AMS 10-6, which is regulated according to the com-
pressor’s speed.
The relationship between the evaporator’s temperature
and outdoor temperature limits the fan speed as follows.
COOLING MODE
Fan speed (rpm)
AMS 10-6
Max
Min
850
150
Min
fan
speed
(rpm)
Max fan speed (rpm)
AMS 10-8
D
C
B
A
Tho-A
Tho-R
130
710
850
850
850
a
190
600
710
850
850
b
190
400
600
710
710
c
190
200
400
600
600
d
Tho-R
d
25
30
33
40
43
53
c
b
a
Tho-A
D
15
18
30
37
46
48
C
B
A
Fan speed (rpm)
AMS 10-12/-16
Max
Min
870
190
Cooling operation:
The fan speed is checked every 15 seconds so that the
heat exchanger temperature (Tho-R1, -R2), the highest
one, is within a certain range.
Fan speed
Sensor temperature Tho-R
Reduction by 10 rpm
Below 30 °C
NIBE AMS10
Chapter 4 | Description of functions
18
Содержание SPLIT AMS 10
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