Rotenso J100Wi, Service Manual

Page: 85 / 132

LCAC R32 Series
85 Service manual
1.3.2.4 Evaporator Low Temperature T2 Protection.
• T2<0°C, the compressor stops and restarts only when T2≥5°C.
• 0°C≤T2<4°C, the compressor frequency is limited and decreases to a lower level
• 4°C≤T2<7°C, the compressor maintains its current frequency.
• T2>7°C, the compressor frequency is not limited.
1.3.2.5 High Condenser Coil Temperature Protection
18K 24~60K
T3
Increase slowly
Off
Decrease
Hold
Resume
T3
Resume
Off
Decrease
Hold
1.3.3 Heating Mode
1.3.3.1 Outdoor Fan Running Guidelines
18K
Fan speed is regulated according to T4 and compressor frequency.
T4
A
A+
Frequency linkage area
Frequency linkage area:
Fre
quency
of
com
pre
ss
or
ope
rat
ion
B
C
A
A+
PART 5. ELECTRICAL CONTROL SYSTEM