Commercial Air Conditioner
Model: AU182AFERA
AD182AMERA, AS182AVERA
heat exchanger temp.
THLHEATBL3
THLHEATBL2
THLHEATBL1
THLHEATBL0
Indication area
normal
area 2
area 1
stop
area 1
area 2
normal
In trial running, the low load protection is ignored.
After compulsory cooling begins for 1 minute, for 3 minutes, the low load protection is cancelled
temporarily. (THLH[3
,
2
,
1
,
0]= 7
℃
,
4.6
℃,
2.2
℃,
-0.5
℃
)
11. High load protection
In heating mode, make high load protection due to the heat exchanger temperature.
heat exchanger temp.
frequency when high load protection begins
THHEAT6 74.7
THHEAT5 70.3
THHEAT4 65.1
THHEAT3 62.2
THHEAT2 52.9
THHEAT1 51.6
THHEAT0 47.1
Indication FQY
normal
C D E
standby
D C B A B C D E
stop
High load protection
When the heat exchanger temperature is not up to "THHEAT[2]", the temperature will resume
the control of normal temperature area.
Temp. point
Temp.
FQY point
FQY
THHEAT3
62.6
FQHHEAT2
70
THHEAT4 65.1 FQHHEAT3
40
THHEAT5 70.3 FQHHEAT4
30
THHEAT6 74.4
Stop
-68-