Ferroli RHA Instruction Manual Download Page 1

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i migliori gradi centigradi

MONITORING SYSTEM

FOR SERIES:

• RHV R134a
• RHV R407C BTZ
• RVW
• RLA
• RHA

INSTRUCTION MANUAL

Summary of Contents for RHA

Page 1: ...i migliori gradi centigradi MONITORING SYSTEM FOR SERIES RHV R134a RHV R407C BTZ RVW RLA RHA INSTRUCTION MANUAL ...

Page 2: ...eclines all responsibility for any inaccuracies in this manual due to printing or typing errors The manufacturer reserves the right to make changes and improvements to products in the catalog at any time and without notice ...

Page 3: ...er setting 11 CONTROL PANEL UNIT ON OFF 11 REMOTE OFF BY DIGITAL INPUT 11 CHANGE OPERATING MODE hot cooling BY CONTROL PANEL 13 CHANGE OPERATING MODE SUMMER WINTER BY DIGITAL INPUT 13 SETTING THE OPERATING SET POINT 15 TERMOREGULATION TIME PROPORTIONAL 16 HEAT RECOVERY 18 IHEAT RECOVERY SETTING THE PARAMETERS 19 STATE OF OPERATION 21 DATE AND TIME 23 TIME SCHEDULING MANAGEMENT 23 MONITORING SYSTEM...

Page 4: ...4 ...

Page 5: ... the left of the LCD At POWER ON the LCD display shows the F1 up F2 middle and ON OFF down functions By a single pressure of ON OFF button the keyboard displaying change F1 became F3 up button and F2 became F4 middle button The ON OFF down button doesn t change By a new pressure on ON OFF button the keyboard displaying change and show the previous situation F1 F2 and ON OFF BY PUSHING FOR SOME SEC...

Page 6: ...dvanced Temperature Control is active RLA LFL unit function PRE ALARM HIGH PRESSURE is active RLA LFL unit function PRE ALARM LOW PRESSURE is active RLA LFL unit The alarm reset procedure is explained in paragraph MONITORING SYSTEM ALARMS 6 Position UP scrolls through the menu items upwards or increases the value of a parameter Position DOWN scrolls through the menu items downwards or decreases th...

Page 7: ... the RH side of the display YES NO appears depending on the enabling of Remote OFF Menu indicate the access point to the user menu Pressing Enter with the UP DOWN buttons it is possible to access the following pages see the table Pressing the DOWN button takes you to page 04 04 Reserved menu is reserved for the support service DISPLAY DESCRIPTION Page 1 of 3 Inputs and outputs Displays the status ...

Page 8: ...ding on the enabling of REM S W By using the UP DOWN ENTER buttons to select the Local mode it is possible to change the Mode of operation HOT COOLING of unit Pressing the DOWN button takes you to page 04 04 REM OFF enable enable switch off the unit via digital input This function has priority over keypad commands On the RH side of the display YES NO appears depending on the enabling of REM OFF Me...

Page 9: ...OLING of unit Pressing the DOWN button takes you to page 04 05 REM S W enable enable mode change of the unit via digital input This func tion has priority over keypad commands On the RH side of the display YES NO appears depending on the enabling of REM S W REM OFF enable enable switch off the unit via digital input This function has priority over keypad commands On the RH side of the display YES ...

Page 10: ... to page 02 04 Power show the power output from the unit Set Point 1 the set point adjustment Band 1 the band adjustment By using the UP DOWN ENTER buttons to select the Set point 1 and or Band 1 line it is possible to change the adjustment settings 17 25 01 04 Standby Water IN 12 0 C Water OUT 7 0 C 02 04 Power 70 Set Point 1 7 0 C Band 1 1 0 C 03 04 Real Set 7 0 C Recovery 41 0 C REM OFF enable ...

Page 11: ...E UNIT IS ON THE UNIT COULD SWITCH OFF IF THE 1_On OffRem REMOTE DIGITAL INPUT IS OPEN MONITORING SYSTEM User setting CONTROL PANEL UNIT ON OFF To switch the machine on and off press the on off function button for a few seconds Unit ON OFF by control panel REM OFF enable digital input 1_On Off REM Unit status on No The unit status not depends by digital input on off off on Yes CLOSE off on off off...

Page 12: ...ical schematic of the unit Close the electrical panel Apply power to the electrical panel by bringing the door lock switch in position 1 Press the ON OFF button on the control panel to turn on the machine At this point the machine is turned on and is ready to turn the compressors to meet the set point set Set the parameter REM OFF enable at YES In this way digital off contact is enabled Opening th...

Page 13: ...n mode hot cooling by control panel select LOCAL MODE from the main screen NOTE THE CHANGE OF THE OPERATION MODE BY CONTROL PANEL HAS A PRIORITY MORE LOW COMPARED TO CHANGE THE OPERATION MODE BY DIGITAL INPUT IF THE DIGITAL INPUTS S W REM IS OPEN THE UNIT WORK IN HEAT PUMP REGARDLESS TO CHANGE OPERATING MODE BY CONTROL PANEL THE CHANGE OPERATING MODE FROM DIGITAL INPUT HAS PRIORITIES IN RELATION T...

Page 14: ...e electrical panel by bringing the door lock switch in position 1 Wait for the main page on the control panel Set the local mode of operation at Cooling Set the parameter REM S W Enable at YES Note If you set REM S W Enable YES and the remote contact Summer Winter is CLOSED off the unit is ready for operation at cooling mode OPEN on 4 way valves immediately reverse cycle switching and the unit wil...

Page 15: ...C blink and change it with the Up and Down buttons as required Press ENTER to confirm To return to the main screen press the LEFT ESC LEFT ESC button several times Power 70 Set Point 1 7 0 C Band 1 1 0 C CH SET 1 01 01 Setpoint 1 chiller mode 7 0 C F1 F2 F1 F2 To modify the Band 1 proceed in a similar manner to the one described for setting the operating SET POINT IMPORTANT NOTE In time proportion...

Page 16: ...or water outlet by remains above the threshold value for further TEMPO POWER INCREASE IN COLD is another power step If the temperature of evaporator water outlet by remain within the temperature range determined by CHILLER SETPOINT BAND 2 and CHILLER SETPOINT BAND 2 the power output from the machine remains constant If the temperature of evaporator water outlet by remains below the threshold CHILL...

Page 17: ...her power step If the temperature of evaporator water outlet by remain within the temperature range determined by HEAT PUMP SETPOINT BAND 2 and HEAT PUMP SETPOINT BAND 2 the power output from the machine remains constant If the temperature of evaporator water outlet by remains above the threshold HEAT PUMP SETPOINT BAND 2 for the time given by the parameter HEAT PUMP DEC POWER TIME is a step off p...

Page 18: ...ches back to normal operating mode Switching from normal operation to heat recovery and vice versa takes place respecting the minimum time of operation set for the two modes minimize compressor power screw compressor MONITORING SYSTEM User setting AIR WATER UNIT WATER WATER UNIT PARTIAL HEAT RECOVERY VP Units in water water condensation is unique for all circuits refrigerator and heat recovery is ...

Page 19: ...2 0 C F1 F2 RECOVERY SETPOINT 41 0 C F1 F2 To change this set point value press Enter twice the value 41 0 ºC will start flashing change the set point value as required using the Up Down buttons After changing the value press Enter to confirm and then press Left to exit MONITORING SYSTEM User setting HEAT RECOVERY SETTING THE PARAMETERS To access the operating parameters for heat Recovery mode bri...

Page 20: ...value press Enter twice the value 2 0 C will start flashing change the value as required using the Up Down buttons After changing the value press Enter to confirm and then press Left to exit REMOTE Allows the Recovery function to be enabled from a remote digital input Using the MENU joystick buttons select the REMOTE parameter To change the YES NO status press Enter twice the value will start flas...

Page 21: ...nd time there will be the information for setting the time and date Under Pumps there will be a list of the machine s pumps and for each one of them Operating status Days of operation Hours of operation Pump enable Under Circuits there will be a list of the machine s circuits and for each one of them there will be displayed The compressor suction pressure read by the low pressure transducer if pre...

Page 22: ...r there will be the percente of condensing control water water unit Under Fans will list the bench and fans for each of them will be displayed speed of operation expressed in Under the heading Heat Recovery will list the condensers for the heat recovery and for each of them will be displayed recovery enable the power expressed in input temperature Under time scheduling will be settings for configu...

Page 23: ...he week TIMER TYPE 1 Time scheduling Weekly With this timer type for all days the unit will work with the same time schedu ling Under SETUP line you can set up max 4 time bands singularly activable for all the days of the week TIMER TYPE 2 Time scheduling Week end 5 2 With this timer type you can select 2 different time scheduling one for working days and one for weekend Under SETUP line you can s...

Page 24: ...is disabled even if the configuration mode is activated For instance for TIMER TYPE 0 daily in submenu SETUP you have to move on MONDAY line then press ENTER and so setup for each time band the parameters showed TIME BAND 1 ENABLE FLAG this parameter enable disables the first time band TIME BAND 1 HOUR this parameter allows the setting of the start hour of the first time band TIME BAND 1 MINUTES t...

Page 25: ...fixed by display user interface we can define standard set point It is not possible to switch off the unit by display user interface but only by digital input Remote ON OFF if activated TIME BAND 1 CH TEMP SETPOINT This parameter allows the setting on chiller mode CH of the water temperature set point TIME BAND 1 HP TEMP SETPOINT not used for only cooling units This parameter can be used only for ...

Page 26: ...larms Alarms Reset F1 F2 ALARMS 02 02 History Automatic Alarms F1 F2 Mode 2 Press and hold down button F3 for a few seconds The alarm menu is displayed as follow 1 VIEW 2 VIEW Select the relevant item and press Enter When an alarm is present the red led is ON When an alarm is resettable the red led is blinking In order to reset an alarm select alarm reset and press ENTER Real Set 7 0 C REM OFF ena...

Page 27: ...f the unit from switch control panel Check the connection between the motherboard and expansions Turn on the unit and verify the adsens of the alarm If the problem persists contact the service support TIMEOUT EXP 1 TIMEOUT EXP 2 TIMEOUT EXP 3 TIMEOUT EXP 4 BIOS AREA CRC ERR EXTERNAL EEPROM Sw error Turn off the unit from switch control panel Turn on the unit and verify the adsens of the alarm If t...

Page 28: ... differential pressure switch and or flowswitch Stop unit with only 1 pump pre sent Swap to the other pump if two pump are present If the alarm persist stop the unit no water circulation or insufficent water flow rate defective sensors switch not cor rect fans 1 thermal protections thermal protection Fans 1 Stop compressor and fan The evaporator pump stays on current value outside limit fans 2 the...

Page 29: ...cent water flow rate defective sensors switch not correct Condenser pump A thermal protections Condenser Pump A Condenser Pump A stop current value outside limit Condenser pump B thermal protections Condenser Pump B Condenser Pump B stop Condenser pump A unavailable Condenser Pump A Condenser Pump A stop Pump not available from the controller Condenser pump B unavailable Condenser Pump B Condenser...

Page 30: ... no power supply phases Heat recovery H2OIN sens ERR Heat recovery water inlet probe immediate exit from heat recovery mode Sensor faulty Interrupted or in short circuit Sens ERR outdoor air probe Outdoor air probe The settings depend on the probe not be executed Sensor faulty Interrupted or in short circuit DEMAND LIMIT sens ERR DEMAND LIMIT analog input DEMAND LIMIT function ignored Sensor fault...

Page 31: ... be displayed from the specific menu using the keys on the keypad When first opened the oldest alarm in the log number 1 in the list is shown Press ENTER on the keypad to scroll through the stored alarms to the most recent The last alarm is stored as an index list the greatest number If you access the alarms log display menu after having browsed through the alarms log the display will show the las...

Page 32: ...rcuit 1 E1302 Alarm thermal protection fans circuit 2 E1401 Error probe evaporator water outlet E1501 Alarm antifreeze evaporator E1601 Error probe condenser E1701 Error transducer oil compressor 1 E1702 Error transducer oil compressor 2 E1801 Error transducer low pressure circuit 1 E1802 Error transducer low pressure circuit 2 E1901 Alarm compressor 1 oil pressure E1902 Alarm compressor 2 oil pre...

Page 33: ...ermal protection E1101 evaporator pump a thermal protection E1102 evaporator pump b thermal protection E1200 evaporator 1 water flow E1301 fans circuit 1 thermal protection E1302 fans circuit 2 thermal protection E1401 evap 1 water out sens err E1501 evaporator 1 antifreeze E1601 circuit 1 liquid probe sens err E1602 circuit 2 liquid probe sens err E1801 circuit 1 low press sens err E1802 circuit ...

Page 34: ...NOTE ...

Page 35: ...eclines all responsibility for any inaccuracies in this manual due to printing or typing errors The manufacturer reserves the right to make changes and improvements to products in the catalog at any time and without notice ...

Page 36: ...Cod 3QE26762 Ferroli spa 37047 San Bonifacio Verona Italy Via Ritonda 78 A tel 39 045 6139411 fax 39 045 6100933 www ferroli it ...

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