Auto Commissioning & Management System & Amount of Refrigerant Check Function
4)
C
y
cle
S
tat
u
s
Ŷ
T
hings
to
Check:
Cyc
l
e
stat
u
s
of
o
u
tdoor
u
nit
Ŷ
E
rror
Code:
None
(
showing
"
Check
Req
u
ired
"
on
the
res
ul
t
report)
Ŷ
Determine
the
cyc
l
e
stat
u
s
of
each
o
u
tdoor
u
nit.
Ŷ
When
needing
to
check
the
cyc
l
e
stat
u
s
of
o
u
tdoor
u
nit
,
p
l
ease
check
in
the
fo
ll
owing
order.
Is the discharge
temperature sensor of corresponding
outdoor unit normal
?
While in the Auto
Commissioning &
M
anagement System
operation, the indoor unit has maintained
the THER
M
O ON state.
Is the system refrigerant level appropriate
?
Check the valve/sensor
and compressor.
Check the discharge
temperature sensor and take action
(assembly status, connector,
resistance, etc.).
Ventilate the indoor air.
Adjust the refrigerant level
(add/remove).
Finish
Upon running the Auto
Commissioning &
M
anagement System,
are the values of valve/sensor and operational
current found to be normal
?
*
How to
M
easure Resistance
After separating the temperature sensor connector from PC
B
,
measure the resistance between two connector terminals.
[Resistance of Discharge Temperature
S
ensor]
Temperature
Resistance