Nibe F2300, Руководство по обслуживанию

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Hot gas temperature
Stop with automatic restart:
႑ The compressor stops when the temperature (BT14)
exceeds 135 °C.
Stop with manual restart:
႑
The above has occurred 3 times within 240 minutes.
Restart when (BT14) is below 60 °C.
High pressure switch (BP10)
႑
The compressor stops when the pressure exceeds
32 °C. The alarm can be reset manually when the
pressure falls below 25 bar.
Low pressure switch (BP2)
႑
The compressor stops when the pressure has fallen
below 0.2 bar. The alarm can be reset manually when
the pressure exceeds 0.7 bar.
Working area
15
10
20
25
30
35
40
45
50
55
60
65
70
-20 -25 -30 -15 -10 -5 0 5 10 15 20 25 30 35 45 40
Water temperature
°C
°C
Outdoor air temperature
Supply temperature
Return temp
During shorter time it is allowed to have lower working
temperatures on the water side, e.g. during start up.
High supply temperature
Blocks the compressor when the supply temperature
(BT12) is higher than maximum supply temperature.
Resets when supply temperature (BT12) is lower than
max supply temperature and the return temperature
is lower than maximum return temperature minus dif-
ference in menu A3.
High return temperature
Blocks the compressor when the return temperature
(BT3) is higher than maximum return temperature.
Resets when the return temperature (BT3) is lower than
maximum return temperature minus diff in menu A3.
MP alarm (07)
MP alarm (07) is obtained if main contactor (QA51,
motor circuit breaker (FC2), high pressure switch (BP10)
or phase monitor *BA1) have tripped.
Main contactor (QA51)
If any of the following conditions are met, the main
contactor breaks (QA51).
႑
High pressure switch (BP10) has tripped
႑
The fan's (GO1) klixon has tripped.
Motor circuit breaker (FC2)
Tripped motor circuit breaker is reset manually .
Fuse F2300
13 A 14 kW
16 A 20 kW
Phase monitor (BA1)
Trips if:
႑
a phase falls below ~160 V.
႑
incorrect phase sequence
Time conditions compressor
႑
Minimum time between stop and start is 5 min.
႑
Minimum time from start to next start is 20 min.
႑
Quick start occurs in menu S2.
NIBE™ F2300 Chapter 4 | Compressor protection 10
4 Compressor protection