Stulz S-Klima C7000 - Alarm Texts

BA C7000 for EC Tower | EN | 01-2019 | 1000755
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11.4 Alarm texts
# stands for a number.
* The alarm in question can be configured so that a common alarm is triggered, which can control further technical equipment
via a digital output.
** The alarm text can be changed.
*** The error code can be read out at the corresponding wired remote controllers of MITSUBISHI Heavy Industries.
**** For size 3, the number (e.g. OU ERROR 1) indicates the error of the corresponding outdoor unit.
Cause Alarm text Effect
LP pressure switch/LP limit
undershot
LOW PRE. 1 ERROR Compressor 1 off
HP pressure switch/HP limit exceeded
Internal compressor circuit-breaker
COMP 1 ERROR/HP Compressor 1 off
LP pressure switch/LP limit
undershot
LOW PRE. 2 ERROR Compressor 2 off
HP pressure switch/HP limit exceeded
Internal compressor circuit-breaker
COMP 2 ERROR/HP Compressor 2 off
Temperature switch/Heat.circuit-b. ELECTRIC HEATER # Heating # off
Humidifier circuit-breaker HUMIDIFIER # ERROR Humidifier # off
Cooling air pattern differential pressure switch COOLING AIR PATTERN
FAILURE
All components off
Filter differential pressure switch FILTER # ERROR
Fan speed increase acc. to “Filter offset”
parameter
External alarm signal EXT. ALARMINP. # ** no direct effect*
Conductivity >5µS HUMIDIFIER # 5µS no direct effect*
Conductivity >20µS HUMIDIFIER # 20µS Ultrasonic humidifier off
Pump # circuit-breaker triggered PUMP # ERROR Pump # off
Dry cooler # circuit-breaker trig. DRY COOLER # ERROR Dry cooler # off
Water detector WATER ALARM Humidifier off
Return air temp. > Limit value ROOM TEMP TOO HIGH no immediate effect
return air humidity > limit value ROOM HUM TOO HIGH no immediate effect
Supply air temp. > Limit value SUPPLY AIR TEMP TOO
HIGH
no immediate effect
supply air humidity > limit value SUPPLY AIR HUM TOO HIGH no immediate effect
Water temp. > Limit value WATER TEMP TOO HIGH no immediate effect
Return air temp. < Limit value ROOM TEMP LOW no immediate effect
return air humidity< limit value ROOM HUM LOW no immediate effect
Supply air temp. < Limit value SUPPLY AIR TEMP LOW no immediate effect
supply air humidity < limit value SUPPLY AIR HUM LOW no immediate effect
Water temp. < Limit value WATER TEMP LOW no immediate effect
Fire/smoke sensor FIRE ALARM All components off
Phase failure, over/undervoltage, phase asymmetry,
phase sequence
PHASE ERROR All components off
Tolerance exceeded SENSOR # ERROR defective sensor # excluded
measured voltage/current outside of defined range SENSOR # DEFECT defective sensor # excluded
Thermostat at the HG heater has triggered. HG HEAT. DEFECT HG heater solenoid valve closed
Pressure sensor or EEV cable defective EEV PRESSURE SENSOR Valve opening remains in current position
Temp.sensor or EEV cable defective EEV TEMP.SENSOR Valve opening remains in current position
EEV step motor defective EEV STEP MOTOR Valve opening remains in current position
RS485 bus connection faulty UNRELIABLE EEV
Valve is closed after 15 seconds. An OPEN/
CLOSE operation is possible with the “Man-
ual emergency operation level” option.
Error on outdoor unit *** OUTDOOR UNIT ERROR **** Outdoor unit off