Johnson Controls HIDH018B21S, Engineering Manual

Page: 214 / 668

INDOOR UNITS
3-48
TC-15001-rev.3
Ŷ )UHH]H3URWHFWLRQ&RQWUROGXULQJ&RROLQJRU'U\2SHUDWLRQ
Power Supply
No
Yes
No
No
Yes
Yes
Cooling or Dry Operation
Cooling or Dry Operation
> 32
o
F(0
o
C)
< 32
o
F(0
o
C)
> 58
o
F(14
o
C)
< 58
o
F(14
o
C)
Gas or Liquid Pipe
Surface Temp. of
Indoor Heat Exchanger
Is it continuous for
more than 3 min.?
Is it continuous
for more than 3 min.?
(6 min. in case of
Dry Operation)
Is compressor
operated for more than
15 min?*
* The check interval differs
depending on the conditions.
I.U. Electronic Expansion Valve:
Completely Closed
No
No
Yes
MIF Operation at Set Fan Speed
(In case of Dry Operation,
MIF Operation: OFF for 6 min.)
Either Gas or Liquid Pipe
Surface Temp. of
Indoor Heat Exchanger
Yes
Elapsed Time:
15 min.
Pipe Surface
Temp.
*2)
> 36
o
F(2
o
C)
I.U.: Indoor Unit
a
a
*2): Pipe Surface Temp.
NOT adopted at .
MIF : Motor for Indoor Fan