Test Running Record - Hitachi RUA-NP4ATS Instruction Manual

TEST RUNNING

6.4 Test Running Record

Compile test running records according to Table 4. Utilize these records for periodic operation checks, as
well as for troubleshooting.
For models: RUA-NP4ATS through RUA-NP8ATS
Main Power Switch(*1)
Operation
Equipments
Room Thermostat(*1)
Indoor Fan Motor
Electric
Components
Outdoor Fan Motor
Compressor
Safety Devices
NOTES:
*1：Field supplied.
For models: RUA-NP9ATS through RUA-NP10ATS
Main Power Switch(*1)
Operation
Equipments
Room Thermostat(*1)
Indoor Fan Motor
Electric
Components
Outdoor Fan Motor
Normal Start
(*2)
Reverse Start
(*2)
Safety Devices
NOTES:
*1：Field supplied.
*2：Normal start and reverse start are triggered alternately by the actuation of the first stage switch
of room thermostat.
12
Operational Sequence Chart
FAN
COOL
TH
MIF
MOF
MC
Fig. 9-1. Standard Operation Sequence
Operational Sequence Chart
FAN
COOL
TH
MIF
MOF
Compressor 1 MC1
Compressor 2 MC2
Compressor 1 MC1
Compressor 2 MC2
Start Delay Time
Fig. 9-2. Standard Operation Sequence
OFF
AUTO ON
OFF
─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─
Close Close Close
OFF
AUTO ON
OFF
(Stage)
1st ... ON
2nd ... ON
After 3 min. After 3 min. After 3 min. After 3 min.
After 3.5 After After After
Close Close Close Close Close Close Close Close Open
: ON
ON
AUTO
ON
Close Close Close
After 3 min. After 3 min. After 3 min. After 3 min.
: ON
ON
AUTO
ON
COOLING CALL
ON ON ON OFF
ON ON OFF OFF
3.5 3.5 min. 3.5 min. min. min.
: OFF
Open
: OFF
ON
ON