Cooling
Appendix B: Operating Range for Air Cool Direct Expansion Unit
Heating
Service Parts
1. Remove any dust adhering to the filter by using a vacuum
Indoor Air
Filter
2. Rinse the filter well and dry before placing it back onto
3. Do not use gasoline, volatile substances or chemicals to
1. Clean any dirt or dust on the grille or panel by wiping it
Indoor Unit
2. Do not use gasoline, volatile substances or chemicals to
STANDARD OPERATING CONDITIONS
Outdoor
DB (°C)
D
46
43
19
E
14
Cooling Operation Range
Outdoor
WB (°C)
I
18
J
10
-9
F
15
Heating Operation Range
SERVICE AND MAINTENANCE
Maintenance Procedures
cleaner or wash in lukewarm water (below 40°C) with a
neutral cleaning detergent.
the unit.
clean the filter.
with a soft cloth soaked in lukewarm water (below 40°C)
and a neutral detergent solution.
clean the indoor unit.
1-15
C
B
A
19
23
Indoor WB (°C)
H
G
27
20
Indoor DB (°C)
Period
At least once
every 2 weeks.
More frequently
if necessary.
At least once
every 2 weeks.
More frequently
if necessary.