Hitachi RCUE100AG1, Installation, Operation And Maintenance Instructions

Page: 29 / 100

1 /25
"
Brine Option Setting = DSW4
When the brine option is requested, the figure 4 of the
DSW4 must be turned to the ON (UPPER) side.
It is possible to set the temperature of brine outlet from
-10
°
C to 15
°
C.
NOTE:
The other information of brine option are on page 29 and
32.
9. SELF-INSPECTION FUNCTIONS
9.1. ALARM INDICATION
If the unit is operated under abnormal conditions, an alarm
code(refer to the table below) is indicated and the "Alarm"
LED lamp is lighted.
Function of 7-Segment Light Emitted Diode on Control
Panel is as shown in the table below.
Code
No.1
cycle
No.2
cycle
No.3
cycle
No.4
cycle
No.5
cycle
No.6
cycle
Content
C1-H1 C2-H2 C3-H3 C4-H4 C5-H5 C6-H6 Activation of High Pressure Switch
C1-L1 C2-L2 C3-L3 C4-L4 C5-L5 C6-L6 Excessively Low Pressure
C1-t1 C2-t2 C3-t3 C4-t4 C5-t5 C6-t6 Low Pressure Protection with Suction Gas Thermistor
C1-41 C2-42 C3-43 C4-44 C5-45 C6-46 Activation of Fan Motor Internal Thermostat
C1-51 C2-52 C3-53 C4-54 C5-55 C6-56 Activation of Thermal Relay for Compressor
C1-71 C2-72 C3-73 C4-74 C5-75 C6-76 Activation of Compressor Internal Thermostat
C1-61 C2-62 C3-63 C4-64 C5-65 C6-66 Activation of Discharge Gas Thermostat
C1-o1 C2-o2 C3-o3 C4-o4 C5-o5 C6-o6 Activation of Differential Pressure Control
C1-28 C2-28 C3-28 C4-28 C5-28 C6-28 Failure of Suction Gas Pressure Sensor (Open / Short)
C1-27 C2-27 C3-27 C4-27 C5-27 C6-27 Failure of Discharge Gas Pressure Sensor (Open / Short)
C1-26 C2-26 C3-26 C4-26 C5-26 C6-26 Failure of Suction Gas Thermistor (Open / Short)
C1-21 C2-21 C3-21 C4-21 C5-21 C6-21 Failure of Cooler Inlet Refrigerant Thermistor (Open/Short)
C1-23 C2-23 C3-23 C4-23 C5-23 C6-23 Failure of Discharge Gas Thermistor (Open / Short)
C1-24 C2-24 C3-24 C4-24 C5-24 C6-24 Failure of Thermistor set before Expansion Valve (Open / Short)
C1-P6 C2-P6 C3-P6 C4-P6 C5-P6 C6-P6 Freezing Protection Control by Cooler Inlet Refrigerant Temperature
6E-6E Alarm of Water Failure (Differential Water Pressure Switch Option)
AP-AP Activation of Additional Protection Device
13-13 Freezing Protection
C1-05 C2-05 C3-05 C4-05 C5-05 C6-05 Phase Abnormally
C1-5P C2-5P C3-5P C4-5P C5-5P C6-5P No Signal Feedback from Water Pump
"C1"-
"Pu"
"C2"-
"Pu"
"C3"-
"Pu"
"C4"-
"Pu"
"C5"-
"Pu"
"C6"-
"Pu"
Alarm of Excessively High Water Temperature
40-40 Malfunction
11-11 Failure of Water Inlet Temperature Thermistor (Open / Short)
12-12 Failure of Water Outlet1 Temperature Thermistor (Open / Short)
15-15 Failure of Water Outlet2 Temperature Thermistor (Open / Short)
16-16 Failure of Water Outlet3 Temperature Thermistor (Open / Short)
22-22 Failure of Ambient Temperature Thermistor (Open / Short)
" " - " "
: Flickering.
XX - XX
: SEG1-SEG2
7 Segments on
Control Panel
? ? ? ?
SEG.1 SEG.2