Check Items After Power On; Overview Of System Operation Check Procedure; Power Source Check Sheet; Error Indication Check Sheet - Fujitsu Airstage VR-II Series Service Manual

1-3 Check Items After Power ON

Overview of system operation check procedure

Step-1: Connect Service Tool PC to the VRF VR-II system.
Do scaning of refrigerant system which should be commissioned.
Step-2: Compare the number of installed units (OU, RB Group and IU) with the System List data obtained from the Service Tool.
Step-3: Operate all Indoor Units under Test Mode Cooling (Select Test mode either cool or heat based on ambient temperature.).
Step-3-1: During operation, check the RB unit SV status and IU thermistor value
Step-3-2: After 1-hour operation, check the Refrigerant System
Step-4: After 1-hour Test run operation (excluding special operation),
Step-4-1: Switching the operation mode of IU, in order of RB group number, from cool to heat.
- Check the RB unit SV status and IU thermistor value
Step-4-2: When all IUs run under heating, continue operation minimum 15min. And check the Refrigerant system

1-3-1 Power source check sheet

Check Item
Ref. circuit name _______________________,
Outdoor Unit Between L1-L2 / L1-L3 / L2-L3
Power
Source
Indoor Unit
&
RB Unit

1-3-2 Error indication check sheet 1/2

Check Contents
Ref. circuit name ________________________,
Master
Slave -1
Slave -2
IU address _______
IU address _______
For each
IU address _______
refrigerant
IU address _______
system
IU address _______
IU address _______
IU address _______
IU address _______
IU address _______
IU address _______
IU address _______
IU address _______
Check contents
Actual Power Supply (V)
< 3N, 3Wire + ground, 60Hz >
Actual Power Supply (V)
< 1, 2Wire + ground, 60Hz >
Outdoor unit
Indoor unit
(RB address ________ )
(RB address ________ )
(RB address ________ )
(RB address ________ )
(RB address ________ )
(RB address ________ )
(RB address ________ )
(RB address ________ )
(RB address ________ )
(RB address ________ )
(RB address ________ )
(RB address ________ )
Judgement
Ref. address ________(00
AC (208 - 230V) 10%
Incoming voltage per breaker
AC (208 - 230V) 10%
Incoming voltage per breaker
Judgement
Ref. address ________(00
LED101 (green light)
Judgment : must be ON
Note : LED102 (Red) must not be flash & must not be ON
7-SEG LED
Judgment : 'Sn' displayed
Indoor Unit
For Wall mounted, Universal, Celling & Small Cassette
Check IU operation LED & timer LED condition
Judgment : must be flashing alternately
For Large Cassette and Duct type IU
Check Wired RC (3- wire) display screen
Judgment : Clock display "AM 12:00" will appear
Check Wired RC (2-wire) display screen
Judgment : Language selection screen will appear
01-12
99)
Master (V): R-S:_____ / S-T:____ / T- R:____
Slave -1 (V): R-S:_____ / S-T:____ / T-R:____
Slave -2 (V): R-S:_____ / S-T:____ / T-R:____
Breaker-1 (V):
Breaker -2 (V):
Breaker -3 (V):
99)
Check PCB- Lighting status
Yes / No
Yes / No
Check LED & RC display status
Yes / No
Yes / No
Yes / No
Present Status
_______
_______
_______
_______
Present Status
LED101: Yes No
7-SEG : Yes No
LED101: Yes No
7-SEG : Yes No
LED101: Yes No
7-SEG : Yes No
Yes No
Yes No
Yes No
Yes No
Yes No
Yes No
Yes No
Yes No
Yes No
Yes No
Yes No
Yes No