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CHILLER CONTROLLER CHECKING PROCEDURE
9.
CHILLER CONTROLLER CHECKING PROCEDURE
Checking mode indicates 3 kinds of contents as follows.
- Operating condition data, Chiller unit ROM No. and controller ROM No. etc. are indicated.
Refer to the table below in detail.
- The content of abnormal stoppage including activation of safety devices is indicated up to max. 10
data.
- Capacity control state is indicated.
Changing to Checking Mode Procedure
1. Press the "CHECK" switch for more than 3 seconds. The mode is changed to checking mode.
(Indicate various data)
2. By pressing the "CHECK" switch, indication is changed according to the following order.
various data → alarm history → capacity control state
Indication of Various Data
1. By pressing the "TEMP." switch, the following contents are indicated.
Indication
Indication Content
code
C1Pd ~ C6Pd
Discharge Pressure
C1Ps ~ C6Ps
Suction Pressure
C1td ~ C6td
Discharge Gas Temperature
C1ts ~ C6ts
Suction Gas Temperature
C1tr ~ C6tr
Liquid Refrigerant Temperature
CEL
Inlet Water Temperature
CoL
Outlet Water Temperature
CcoL
Individual Water Piping Outlet Temperature
tSC
Setting Temperature of Chilled Water
tSH
Setting Temperature of Hot Water
tSCd
Setting Analog Temperature of Chilled Water
tSHd
Setting Analog Temperature of Hot Water
dF
Differential Setting
tA
Ambient Temperature
Crno
ROM No. of Chiller Unit
CvEr
Version No. of Chiller Unit
rno
ROM No. of Controller
NOTE:
∧
By pressing the "TEMP.
" switch once, indication code is indicated, and by pressing the "TEMP.
switch again, indication content is indicated. If the "TEMP.
changed in the opposite order.
2. By pressing the "UNIT SELECTION" switch, the unit No. is changed and each unit data is
indicated. (In case of changing the indicated unit, indication is started from C1Pd.)
Unit
Remark
MPa
MPa
Indicate Max. 6
°C
Refrigerant Circuit
Data
°C
°C
°C
°C
The display contents
°C
depend on chiller unit.
°C
°C
°C
°C
°C
°C
∨
" switch is pressed, indication is
∧
"
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