Hitachi RAS-(3-6)HVNC1(E) - Page 492

12 Maintenance notes
478
SMGB0087 rev.0 - 12/2013
Customer’s name:___________________________________________________________ Date:_______________
Outdoor unit model (serial No.)
RAS-
(Serial No._______________)
RAS-
(Serial No.________________)
7.5 Cause of IU stoppage dA
8. Indoor unit (unit number _____________________)
8.1 IU expansion valve opening EA
8.2 Liquid pipe temperature of IU (Freeze protection) LA
8.3 IU intake air temperature iA
8.4 IU discharge air temperature oA
8.5 Cause of IU stoppage dA
N O T E
• O.U.: Outdoor Unit.
• I.U.: Indoor unit.
• FAN1 FAN2: Constant speed fan.
• 52C: CMC.
• PSH: High pressure switch.
• 20A: Solenoid valve (SVA).
• 20F: Solenoid valve (SFV).
• 21: Reversing valve (RVR).
• CH: Oil heater.
• *: Multiply 1/8 by the code on the 7-segment.