20
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
code
Indication Content
Unit
Remark
C1Pd ~ C6Pd
Discharge Pressure
MPa
C1Ps ~ C6Ps
Suction Pressure
MPa
C1td ~ C6td
Discharge Gas Temperature
°
C
C1ts ~ C6ts
Suction Gas Temperature
°
C
C1tr ~ C6tr
Liquid Refrigerant Temperature
°
C
Indicate Max. 6
Refrigerant Circuit
Data
CEL
Inlet Water Temperature
°
C
CoL
Outlet Water Temperature
°
C
CcoL
Individual Water Piping Outlet Temperature
°
C
The display contents
depend on chiller unit.
tSC
Setting Temperature of Chilled Water
°
C
tSH
Setting Temperature of Hot Water
°
C
tSCd
Setting Analog Temperature of Chilled Water
°
C
tSHd
Setting Analog Temperature of Hot Water
°
C
dF
Differential Setting
°
C
tA
Ambient Temperature
°
C
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.
∨
” switch is pressed, indication is
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.)