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S&A PRO Series - VI. Alarm & Output Terminal; Alarm Output Terminals & Wiring; Alarm Causes and Status Table

S&A PRO Series
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TY-JS-220607-001
14
VI. Alarm & Output Terminal
In order to guarantee the equipment will not be affected while abnormal situation
happens to the chillers, the chillers are designed with alarm protection function.
1. Alarm output terminals and wiring diagram.
2.Alarm causes and working status table.
Display
Condition
Alarm
code
Buzzer
OUT
H1H2
OUT
H1H3
Circulating pump works properly
DISCONNECTION
BREAKOVER
Ultrahigh ambient temperature alarm
E1
Sounds
BREAKOVER
DISCONNECTION
Ultrahigh water temperature alarm of
laser circuit
E2
Sounds
BREAKOVER
DISCONNECTION
Ultralow water temperature alarm of
laser circuit
E3
Sounds
BREAKOVER
DISCONNECTION
Ultrahigh water temperature alarm of
optics circuit
E4
Sounds
BREAKOVER
DISCONNECTION
Ultralow water temperature alarm of
optics circuit
E5
Sounds
BREAKOVER
DISCONNECTION
Ambient temperature sensor failure
E6
Sounds
BREAKOVER
DISCONNECTION
Water temperature sensor failure of
laser circuit
E7
Sounds
BREAKOVER
DISCONNECTION
Water temperature sensor failure of
optics circuit
E8
Sounds
BREAKOVER
DISCONNECTION
Liquid level alarm
E9
Sounds
BREAKOVER
DISCONNECTION
External input alarm 2
E10
Sounds
BREAKOVER
DISCONNECTION
Flow alarm of laser circuit
E11
Sounds
BREAKOVER
DISCONNECTION

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