Hitachi UTOPIA RAS-4HVRP2E Service Manual page 331

11 Maintenance notes
Service and maintenance record using the 7-segment display
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RAS-(4-6)(V)(R/N)(C/P)2E
Customer's name: ______________________________
Outdoor unit model
(Serial number: _________________)
1. Operation mode
2. Test Run Start Time
3. Data Collect Start Time
4. Read Out Data from 7-Segment in Outdoor Unit
5. Protection Control Code
Y21
(RVR)
Y20F
(SVF)
Input/Output State of Outdoor
Micro-Computer
Total Capacity of Operating Indoor Unit
Control Software No
Inverter Software No.
Inverter Order Frequency to Compressor
Outdoor Fan Step
Outdoor Fan Speed
Outdoor Expansion Valve Opening
High Pressure (Discharge Pressure)
Low Pressure (Suction Pressure)
Discharge Temperature
Evaporating Temperature
Ambient Air Temperature
Outdoor Condensing Temperature
Inverter Fin Temperature
Inverter Primary Current
Inverter Secondary Current
Indoor Unit Address
Indoor Expansion Valve Opening
Liquid Pipe Temperature of Indoor Unit
Gas Pipe Temperature of Indoor Unit
Indoor Unit Inlet Air Temperature
Indoor Unit Outlet Air Temperature
Cause Code of Indoor Unit Stoppage
Accumulated operation time of the unit
Accumulated operation time of Compressor
(After Reset)
Outdoor Unit Alarm Code
Cause Code of Inverter Stoppage
Capacity of Indoor Unit(capacity DIP)
Total connection capacity of the indoor unit*
Quantity of indoor units connected
Refrigeration system address
?
N O T E
• O.U.: Outdoor Unit.
• I.U.: Indoor unit.
• FAN: Constant speed fan.
• 52C: CMC.
• PSH: High pressure switch.
• 20A: Solenoid valve (SVA).
329 SMGB0136 rev.0 - 07/2021
RAS-
(Serial number: ______________)
Y20A
(SVA)
SC
FAN2
oP
SP
iP
H1
Fo
F5.
Eo
.
Pd
.
Ps

d

E

o

C

F
A1
A2
n-
E-
L-
u-
i-
o-
d-
UJ
cU
AC

i
oC
CP
AA
GA
Date: _______________________
RAS-
(Serial number: ______________)
Y21 Y52C YCH Y20A
Fan
(RVR) (CMC) (CH) (SVA)
• 20F: Solenoid valve (SFV).
• 21: Reversing valve (RVR).
• CH: Oil heater.
• *: Multiply 1/8 by the code on the 7-segment.
Y21 Y52C YCH
Fan
(RVR) (CMC) (CH)
11