Operating Condition Check Sheet - Daikin VRV Service Manual

Operating Condition Check Sheet

6. Operating Condition Check Sheet
Content of malfunction:
Service shop:
Outdoor unit
Indoor unit No.1
No.2
No. of unit connected
unit(s)
No.3
No.4
Capacity
No.5
%
No.6
No.7
No.8
Pipe length / Height difference
Time zone malfunction
generated
Check item
Suction
temperature
Discharge
temperature
Liquid pipe
temperature
Indoor
data
Gas pipe
temperature
Preset flow rate
MV opening
degree
Inspection item
Power supply
voltage
Compressor
operation capacity
High pressure
Low pressure
Outdoor
unit Liquid pressure
operation
data
Outdoor air
temperature
Suction /
discharge air
temperature
Discharge pipe
temperature
Suction pipe
temperature
Others
"Complains or requests from users, Operation conditions at the time of measuring (No. of thermostat ON units, etc.), Past record of
malfunction, remedies executed, Comments, etc."
108
Model name
m/
About o'clock Malfunction code
Inspection
Standard
method
With remote
controller No. 41
With thermometer
With remote
controller No. 41
With remote
controller No. 41
With remote
controller
*
Inspection method
Measure voltage between each phase with tester
(in operation)
Measure with clamp meter
Measure with pressure gauge, service checker
(After 20 minutes or later from operation start)
Measure with pressure gauge, service checker
(After 20 minutes or later from operation start)
Measure with pressure gauge
(After 20 minutes or later from operation start)
Measure with thermometer
(Measure in the place receiving no influence of
discharged air from outdoor unit)
Measure with thermometer (Check on short
circuiting)
(Measure the maximum different temperature with
outdoor.)
Measure with surface thermometer or service
checker
Measure with surface thermometer or service
checker
(Measure in the place receiving no influence of
injection)
* Check on MV opening degree by using checker or remote controller with special setting.
Person in charge:
Serial No.
m Frequency of malfunction generated
Measured value
No.1 No.2 No.3 No.4
Reference
Within ± 10 % of rated
voltage
No voltage drop
In cooling; -5 to 43°C
In heating; -15 to 16°C
(Tc + 20) to 120°C
Tc: Saturation
temperature equivalent to
high pressure
Te + (2 to 20)°C
Te: Saturation
temperature equivalent to
low pressure
System name, Installation site
/
No.5 No.6 No.7
Measured value
R-S
S-T
T-R
INV
STD1
—
ON / OFF
STD2
ON / OFF
—
—
—
Suction
—
Discharge
INV
STD1
STD2
Troubleshooting
Si30-408
time(s)
Check
No.8
Check
V
V
V
Hz
MPa
MPa
MPa
°C
°C
°C
°C
°C
°C
°C