Service And Maintenance Table Through The Remote Control Switch; Ras-3Hvrc2 - Hitachi UTOPIA RAS-4HVRP2E Service Manual

11 Maintenance notes
Service and maintenance table through the remote control switch

11.5 Service and maintenance table through the remote control switch

11.5.1 RAS-3HVRC2

Data sheet for the checks using the remote control switch:
Time
IU model
IU serial number
IU number / Alarm code
B Temperature indication
Temperature setting
Inlet air temperature
Discharge air temperature
Liquid pipe temperature
Remote thermistor temperature
Outlet air temperature
Gas pipe temperature
Evaporating temperature in heating mode
Control information
Temperature of the upper part of the
compressor
Thermo temperature of remote control
switch
Not prepared
C Indication of the microcomputer state
IU microcomputer
OU microcomputer
D Stoppage cause state indication
Cause code of Indoor Unit Stoppage
E Alarm fault
Times of Abnormality
Times of Power Failure
Times of Abnormal Communication
Times of Inverter Tripping
331 SMGB0136 rev.0 - 07/2021
:
Check Check
1 · 2
mode 1 mode 2
b1 --
b2 q1
b3 q2
b4 q3
b5 --
b6 q4
b7 q5
b8 q6
b9 q7
bA q8
bb --
bC --
C1 --
C2 --
d1 --
E1 --
E2 --
E3 --
E4 --
: : :
1 · 2 1 · 2 1 · 2
:
1 · 2
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