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Thermocold DOMINO BASIC Series, User Manual, Page: 19 / 21

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Thermocold DOMINO BASIC Series User Manual Download Page 19

User Manual

 

 

 

 

 

 

15.

 

Alarms 

 

The controller is able to identify all alarms that may damage the normal operation of the machine. For each 

alarm code, the controller performs a given action. 

Below is a table with the alarm codes. 

 

Alarm code 

Description 

P”x” 

Failure on probe “x” 

A01 

High pressure switch alarm 

A02 

Low pressure switch alarm 

A05 

High pressure alarm from transducer 

A06 

Low pressure alarm from transducer 

A07 

Antifreeze alarm 

A08 

Plant side flow alarm 

A19 

Source side flow alarm 

A09 

Compressor 1 overload 

A10 

Compressor 2 overload 

A11 

Condenser fan overload 

A17 

Evaporator pump overload 

A18 

Condenser pump overload 

A12 

Defrost alarm 

A13 

Compressor 1 maintenance request 

A14 

Compressor 2 maintenance request 

A15 

Evaporator pump maintenance 

request 

A20 

Condenser pump maintenance request 

A16 

High temperature evaporator water 

inlet 

ACF”x” 

Configuration alarm “x” 

FErr 

Working alarm condensino units 

AFR 

Phases sequence alarm 

ALOC 

Generic alarm 1 

 
 
 

Summary of Contents for DOMINO BASIC Series

Page 1: ...AIR WATER AND WATER WATER UNIT FOR 2 PIPES SYSTEMS USER MANUAL Series DOMINO BASIC MEX MFX EASY Cod MU ICHILL U EL REV01 0315 UK...

Page 2: ...User Manual...

Page 3: ...t the compressor oil In conditions of low water temperature the pumps could start in order to avoid freezing conditions In order to avoid the breaking of heat exchangers due to water hammer be sure to...

Page 4: ...5 Set point display 11 6 Set point editing 11 7 Dynamic Set Point 12 8 Alarm display 13 9 Alarm reset 13 10 Remote control of the unit 14 11 Controlling the unit remotely by free contacts 14 12 Contr...

Page 5: ...according the type of the unit is able to handle units with single refrigerant circuit equipped with two scroll compressors with a proportional step regulation according inlet water temperature for a...

Page 6: ...ue inputs 3 NTC 1 configurable 0 5V 4 20mA NTC Analogue outputs Opto Insulated 4 configurables 0 10V signal external relay driving Relay outputs 5 x 5 2 A 250V SPST 1 open collector 12Vdc 40mA max Rem...

Page 7: ...4 Displays the outside air temperature only for air water if present Pb3 Display the condensing pressure in cooling mode and the evaporating pressure in heating mode Pb4 Displays the temperature of th...

Page 8: ...User Manual...

Page 9: ...om the menu ALrM Press and release from the main display it allows you to show the values of the configured probes temperature pressure in the upper display and the corresponding label in the lower di...

Page 10: ...ome controller functions are available through the multiple keys simultaneous pressure following are the combinations accepted by the controller Simultaneous pressure of buttons for 3 seconds it allow...

Page 11: ...enter in menu to change the parameters Alarm management is enabled also in standby mode alarms that occur are equally shown 5 Set point display Pressing and releasing the button it can see the setpoi...

Page 12: ...er 18 under SD the controller will change the set point continuously according to a law proportional With this function you can change the set point in order to ensure to changing external conditions...

Page 13: ...t to this visualization 9 Alarm reset 1 Enter to the function menu 2 Select the function ALrM 3 Press lower display shows the alarm while the upper display shows the label rSt if the alarm is resettab...

Page 14: ...an connect any type of temperature control device able to provide a current pulse to close the relay for the unit activation The terminals are those with the numbers 6 20 22B 23 and 29 on the X user t...

Page 15: ...e of connection it is necessary a TTL RS485 adaptor Observe the wiring diagram below observing a bus type connection and avoiding to create stars You can use the master and slave RS485 port depending...

Page 16: ...LL generic parameters group 3 Slide the parameters groups using and 4 Select the group that contains parameters to edit Pressing the set button you can enter in the parameters list of that group Lower...

Page 17: ...tion min max u m Risolution Sd1 Dynamic set point 0 disabled 1 enabled 0 1 C Sd2 Summer dynamic set point offset max 30 0 30 0 C Dec Sd3 Winter dynamic set point offset max 30 0 30 0 C Dec Sd4 Summer...

Page 18: ...User Manual CF29 Set Automatic Change Over 50 0 110 0 C Dec CF30 Differential Automatic Change Over 0 1 25 0 C Dec CF35 Remote keypad 0 Not present 1 Present 0 1...

Page 19: ...ow pressure alarm from transducer A07 Antifreeze alarm A08 Plant side flow alarm A19 Source side flow alarm A09 Compressor 1 overload A10 Compressor 2 overload A11 Condenser fan overload A17 Evaporato...

Page 20: ...he remote terminal is connected directly to the controller connectors designed for the remote keypad paying particular attention to the polarity of the connections Wrong wiring may cause serious damag...

Page 21: ...of the product Die inhaltlich technischen Angaben im vorliegenden Handbuch sind nicht verbindlich Die Thermocold Costruzioni GmbH beh lt sich die M glichkeit vor jederzeit n tige nderungen zur Verbes...

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