44 SERVICE MANUAL FOR AMERICA
4.
Leakage or reverse valve fault
The air conditioner shutdown immediately when meet one of below conditions.
1)
Heating: coil pipe temp. of outdoor unit can’t decrease 3 degree within setting
time and coil pipe temp. of indoor unit can’t increase 3 degree all along.
2)
Cooling: coil pipe temp. of outdoor unit can’t increase 3 degree within setting
time and coil pipe temp. of indoor unit can’t decrease 3 degree all along.
5.
High temp. protection of compressor discharge
1)
The protection don’t effect if the temp. sensor of compressor discharge fault.
2)
The air conditioner stop running immediately and display error code when the temp.
of compressor discharge more than
Tsd
.
3)
The compressor decrease frequency until the temp. of compressor discharge less
than 210
O
F
if the temp. of compressor discharge more than
203
O
F
. The compressor resume
normal frequency when the temp. of compressor discharge less than
194
O
F
.
6.
Temperature switch protection of compressor
The air conditioner will shutdown immediately and display fault code if the temp.
switch of compressor switch off.
7.
High temp. protection of middle coil pipe of condenser
1)
The protection don’t effect if the temp. sensor of middle coil pipe fault.
2)
The compressor decrease frequency until the temp. of middle coil pipe less than
136
O
F
.if the temp. of middle coil pipe more than 134
O
F
.
.
3)
It resume normal frequency when the temp. of middle coil pipe less than133
O
F
..
8.
High temp. protection of indoor coil pipe
1)
The compressor decrease frequency until the temp. of indoor coil pipe more than
(Tsce-2
) if the temp. of indoor coil pipe less than (
Tsce-2)in cooling mode.
The compressor decrease frequency until the temp. of indoor coil pipe less than
(Tsce+2
) if the temp. of indoor coil pipe more than (
Tsce+2) in heating mode.
2)
It resume normal frequency when the temp. of indoor coil pipe less than
Tsce(cooling mode
) or
less than
Tshe(heating mode)
.
9.
Low temp. protection of compressor suction
1)
The protection don’t effect if the temp. sensor of compressor suction fault or compressor don’t
run or in heating mode..
2)
The compressor decrease frequency until the temp. of compress suction more than
Tss
if the temp. of compressor suction less than
Tss.
It resume normal frequency when the
temp. of compressor suction more than
(Tss+2
).
10.
Fault protection of outdoor sensor
The air conditioner is running at the frequency of less than (
3/5)*Fmax and display fault code if
the temp. sensor of compressor discharge fault, or the temp. sensor of outdoor middle coil
pipe fault, or the temp. sensor of compressor suction fault, or the temp. sensor of outdoor
ambient fault.
11.
High temp. of ambient
1)
The protection don’t effect if the temp. sensor of outdoor ambient fault.
2)
The air conditioner stop running immediately and display error code if outdoor
ambient temp. more than
131
O
F or less than -4
O
F.
12.
Over current protection of compressor
Содержание TAS-09EH/O
Страница 9: ...9 SERVICE MANUAL FOR AMERICA 4 5 outdoor Unit TAS 18MVH O ...
Страница 23: ...23 SERVICE MANUAL FOR AMERICA 8 WIRING DIAGRAMS 8 1 TAS 09EH O Wiring Diagram 8 2 TAS 12EH O Wiring Diagram ...
Страница 28: ...28 SERVICE MANUAL FOR AMERICA 9 4 TAS 18MVH O Refrigeration Diagram 9 5 TAS 24MVH O Refrigeration Diagram ...
Страница 29: ...29 SERVICE MANUAL FOR AMERICA 10 TUBING CONNECTIONS ...