Related Manuals for Ferroli RHV R134a
Summary of Contents for Ferroli RHV R134a
- Page 1 MONITORING SYSTEM FOR SERIES: • RHV R134a • RHV R407C BTZ • RVW • RLA • RHA INSTRUCTION MANUAL...
- Page 2 The manufacturer declines 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.
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Page 3: Table Of Contents
TABLE OF CONTENTS MONITORING SYSTEM - User interface ............. . .5 CONTROL PANEL . -
Page 5: Monitoring System - User Interface
MONITORING SYSTEM - User interface CAUTION: IF THE ALARM SIGNAL “RTC” (REAL TIME CLOCK) APPEARS WHEN STARTING FOR THE FIRST TIME, SET THE DATE AND TIME IN THE RESPECTIVE “DATE AND TIME” MENU. CONTROL PANEL The control panel is composed of the instrument’s front panel, equipped with an LCD display, three indicator LEDs, and one joy- stick buttons and three function button, it enables viewing and/or checking the operating mode and parameters, resources and complete alarm diagnostics. -
Page 6: Joystick Button: "Menu
MONITORING SYSTEM - User interface JOYSTICK BUTTON: “MENU” Used to scroll through the menus by acting on the four positions (UP; DOWN; LEFT; RIGHT) pressing a single time; in particular: • Position UP: scrolls through the menu • Position LEFT (ESC): returns to the items upwards or increases the value of a parameter. -
Page 7: Monitoring System - User Menù
MONITORING SYSTEM - User menù COOLING MODE IR When the unit switches on, the display shows the first page of the main screen. On the top line there is the current time (17:25) and the page no. (1/4 comprising 17:25 01/04 the screen. -
Page 8: Heating Mode Ip (Reversible Refrigerant Side)
MONITORING SYSTEM - User menù HEATING MODE IP (reversible refrigerant side) When the unit switches on, the display shows the 4 page of the main screen 17:25 01/04 On the top line there is the current time (17:25) and the page no. (1/4 comprising the screen. -
Page 9: Heating Mode Iw (Reversible Water Side)
MONITORING SYSTEM - User menù HEATING MODE IW (reversible water side) When the unit switches on, the display shows the first page of the main screen 17:25 01/05 On the top line there is the current time (17:25) and the page no. (1/5 comprising the screen. -
Page 10: Heat Recovery
MONITORING SYSTEM - User menù HEAT RECOVERY When the unit switches on, the display shows the first page of the main screen On the top line there is the current time (17:25) and the page no. (1/4 comprising 17:25 01/04 the screen. -
Page 11: Monitoring System - User Setting
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. REMOTE OFF BY DIGITAL INPUT To activate this function, select REM OFF enable from the main screen and with the joystick-menu buttons set YES. NOTE: IF YOU ENABLE REM OFF BY DIGITAL INPUT WHILE THE UNIT IS ON, THE UNIT COULD SWITCH OFF IF THE 1_On/OffRem REMOTE DIGITAL INPUT IS OPEN. - Page 12 MONITORING SYSTEM - User menù RECOMMENDED SETTINGS : to configure correctly the function ON / OFF from digital input, follow the following guidelines : CAUTION : THESE OPERATIONS MUST BE PERFORMED BY QUALIFIED PERSONNEL. - Sure that the parameter REM OFF Enable is set to NO (figura 1). Real set 7.0°C REM S/W enable...
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Page 13: Change Operating Mode (Hot / Cooling) By Control Panel
MONITORING SYSTEM - User setting CHANGE OPERATING MODE (hot / cooling) BY CONTROL PANEL To change the operation 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. - Page 14 MONITORING SYSTEM - User menù RECOMMENDED SETTINGS : to properly configure the change mode of operation by digital input, try the following: CAUTION: THESE OPERATIONS MUST BE PERFORMED BY QUALIFIED PERSONNEL -Sure that the parameter REM S/W Enable is set to NO. Real set 7.0°C REM S/W enable...
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Page 15: Setting The Operating Set Point
MONITORING SYSTEM - User setting SETTING THE OPERATING SET POINT From the main screen, press the “Up” and “Down” buttons to access Set Point 1 and press ENTER: the “Setpoint 1 chiller mode” screen will appear. Press ENTER to make the temperature value 7.0°C blink and change it with the “Up” and “Down” buttons as required. -
Page 16: Termoregulation Time Proportional
MONITORING SYSTEM - User setting TERMOREGULATION TIME PROPORTIONAL COOLING MODE (IR) The function of the regulator consists in activating a number of resources (power step) in proportion to the time that the evapo- rator water outlet by spends beyond the threshold given by CHILLER SETPOINT + (BAND / 2). The band is symmetric with respect to the value of CHILLER SETPOINT. - Page 17 MONITORING SYSTEM - User setting HEATING MODE (IP / IW) The function of the regulator consists in activating a number of resources (power step) in proportion to the time that the evapo- rator water outlet by spends below the threshold given by HEAT PUMP SETPOINT - (BAND / 2). The band is symmetric with respect to the value of HEAT PUMP SETPOINT.
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Page 18: Heat Recovery
MONITORING SYSTEM - User setting HEAT RECOVERY The recovery function heats water using heat from the condenser that otherwise would be dispersed in the environment: - In air (air-water units) - In water (water-water units) When the machine is in cooling mode (compressors on), if the water in the recovery circuit is of a sufficiently low temperature to require heat, the machine switches from normal to recovery mode. -
Page 19: Iheat Recovery Setting The Parameters
MONITORING SYSTEM - User setting HEAT RECOVERY SETTING THE PARAMETERS To access the operating parameters for heat Recovery mode, bring on the start screen, scroll through the pages to select the "Recovery" and press ENTER. RECOVERY 01/02 17:25 Working Set 7.0°C ENABLE Recovery... - Page 20 MONITORING SYSTEM - User setting PROP. BAND Using the MENU joystick buttons, select the PROP. BAND parameter. This parameter is set by default to 2.0 °C. RECOVERY PROP BAND RECOVERY 01/02 ENABLE 2.0°C SETPOINT 41.0°C PROP BAND 2.0°C To change this set-point value, press “Enter” twice: the value 2.0 °C will start flashing - change the value as required using the “Up/Down”buttons.
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Page 21: State Of Operation
MONITORING SYSTEM - User setting STATE OF OPERATION To know the machine’s operating status, scroll through the main menu down to the bottom and select “menu”, then press “Enter”. MENU 03/04 Inputs and outputs Real Set 7.0°C Alarms REM OFF enable Date and time Menu Use the Up and Down buttons to scroll through the menu to display the items:... - Page 22 MONITORING SYSTEM - User setting Under “Compressor” there will be a list of the machine’s compressors and, for each one of them, there will be displayed: • The current state of operation (power or alarm) • Power output expressed as a % •...
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Page 23: Date And Time
MONITORING SYSTEM - User setting DATE AND TIME The “Date and time” menu is used to set the date and time on the instrument. To set the date and time, go to the “Date and time” menu with the joystick-Menu buttons. 03/04 MENU 01/03... - Page 24 MONITORING SYSTEM - User setting After timer type set you have to go to SETUP line to actually setup the start, the end, the unit mode and water temp setup for each time band. SETUP: according to the different timer type selected on the display there will be different lines: TIMER TYPE = 0 (Daily) SETUP 01/03...
- Page 25 MONITORING SYSTEM - User setting TIME BAND 1 MODE: this parameter allows the setting of the unit operation mode in the first time band: 1 = OFF Enabling this mode the unit is off and it is not possible to switch on neither by display user interface nor by digital input (for instance by remote) MONDAY 04/24...
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Page 26: Monitoring System - Alarms
MONITORING SYSTEM - Alarms ALARMS The alarms menu is used to display and reset any active alarms and display the alarm log. There are 2 different ways of accessing the alarms menu: Mode 1: Scroll through the main menu down to the bottom and select “Menu”, then press “Enter”, then select “Alarms” and press “Enter”. -
Page 27: Bios Alarms
MONITORING SYSTEM - Alarms BIOS ALARMS They solely concern HW and SW operation of the micro-controller and do not involve the machine components (compressors, pumps, sensors, etc.) After selecting the bios alarms menu, all active bios alarms are displayed. The bios alarms can end automatically or can last until operator intervention. For example: The RTC battery alarm (RTC= Real Time Clock), while not being a cause of failure, shuts down the machine until the current date and time are set correctly. -
Page 28: User Alarms
MONITORING SYSTEM - Alarms USER ALARMS They are only manual reset alarms and concern solely the machine’s components (compressors, fans, pumps, sensors, pres- sure switches, etc.) and do not involve the HW and SW operation of the micro-controller. in order to restart the system it is necessary: - removing the cause of alarm - to reset manually the alarm from the alarm submenu If there are no active user alarms, the “EMPTY”... - Page 29 MONITORING SYSTEM - Alarms Alarms shown on display Components involved Alarm effect Cause of alarm High temperature water condenser Water outlet probe condenser 1 Stop the unit - value outside limit Water outlet probe condenser 2 Low temperature water condenser -no water circulation or insufficent water Condenser water differential pressure Condenser water flow...
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Page 30: Automatic Alarms
MONITORING SYSTEM - Alarms AUTOMATIC ALARMS In case of these alarms the unit start automatically after removing the cause. Manual reset is not required. If there are no active AUTOMATIC alarms, the “EMPTY” string is displayed for 2 seconds. Automatic alarms table Alarms shown on display Components involved Alarm effect... -
Page 31: Alarms History
MONITORING SYSTEM - Alarms ALARMS HISTORY The control board has the ability to store in code the last 50 alarm entries that occurred in the unit. -01/05 -01/05 total number of alarms in the log number of alarm displayed (index list) E0701-11-12/06/07-02 -E0701-11-12/06/07-02 NEXT... - Page 32 MONITORING SYSTEM - Alarms Alarms history table for RHV - RVW units Alarm Alarm code E0000 Error probe evaporator water inlet E0100 Error probe evaporator water outlet E0200 Error probe dynamic setpoint E0300 Alarm evaporator high temperature E0400 Alarm condenser low temperature E0501 Error transducer high pressure circuit 1 E0502...
- Page 33 MONITORING SYSTEM - Alarms Alarms history table for RLA - LFL - RHA units Alarm Alarm code E0000 sens err evaporator water inlet E0300 high temperature plant return E0400 low temperature plant return E0501 circuit 1 high press sens err E0502 circuit 2 high press sens err E0601...
- Page 34 NOTE...
- Page 35 The manufacturer declines 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 Ferroli spa ¬ 37047 San Bonifacio (Verona) Italy ¬ Via Ritonda 78/A tel. +39.045.6139411 ¬ fax +39.045.6100933 ¬ www.ferroli.it...