COSTER. Adjustment of desired value by means of remote set point adjuster.

Transcription

1 COSER EPERAURE CROER D 5 - RF 8 Eng. C.. D 5.. RF 8 Eng. C ntrol of temperature with cfigurable features : hree-point modulating with PI - in e or two stages Proportial - in e stage Power supply ; DI rail compatible. APPICAI RF 8 ctroller is designed for hot or cold temperature ctrol in following types of plant: producti DHW heating swimmimg pool water heating by underfloor panels or fan coils heating greenhouse beds air handling units. FUCIS he principal functis of RF 8 are: emperature ctrol by C k Ω detectors (ambient, air duct or immersi): at cstant value: detector B (range... C) or detector (range C) or detector B (range... C) & detector flow (range...99 C). ntrol output : hree-wire modulating - in e or two stages Proportial - in e stage Adjustment of desired value by means of remote set point adjuster.. DEECORS & EECRO o. Descripti ype Sensing de Data sheet element or emperature detector: hot or cold water immersi SIH C kω B- or ambient SAB C kω B or air duct SA C kω B- or cable-type SAF C kω B- tis: Set point adjuster CDB

2 D 5 - RF 8 Eng. C.. COSER. ECHICA DAA (factory settings in bold type) Electrical Power supply V~ ±% Frequency 5 6 Hz nsumpti VA Protecti IP Radio disturbances VDE875/87 Vibrati test with g(di 6) Voltage-free output ctacts: maximum switching voltage 5 V~ maximum switching current 5 () A nstructi standards Italian Electrotech. mmittee (CEI) Software ass A echanical Case DI E module Installati DI 5 rail aterials: base cover ABS Permitted ambient temperature : operati 5 C storage 5 6 C Permitted ambient humidity ass F DI Weight.7 kg 5. OVERA DIESIS 6. FACIA Setting ranges (..) = cooling Desired temperature: with detector B or B (5) C with detector ly (5) 99 C Desired temperature adjuster: with detector B or B (... C) ± 5 C with detector ly ( C) ± C inimum limit flow temperature 8() 99 C aximum limit flow temperature 5() 99 C ntrol output : hree-wire modulating - in e or two stages - proportial in e stage Actuator run time 6 ; 9 ; ; 8 s Proportial band with ly e detector : ±.5 () C Proportial band with two detectors: for detector B ±.5 () C for detector ±.5 () 99 C Integral time.5 () 8 min. - differential ±.5 () C - proportial time cycle 5 ; ; ; min. In the presence of electrical disturbances the output ctrols of the ctroller may change status but this will be restored automatically. COSER EPERAURE CROER RF Pb/ t HEA COO FOW It min max Protective cover for electric compents Base with transformer, relay and terminal block Screws for securing cover and base DI rail securing elements 5 DI rail release lever 7. SIIG - hree-digit numerical display - and keys for changing parameters - and keys for displaying parameters - ntrol output EDs 5 - ing/oling EDs EDs for data shown display: 6 - Proportial band or differential 7 - Integral time 8 - inimum limit range flow temperature 9 - aximum limit range flow temperature he ctroller must be sited in a dry space which meets the permitted ambiental cditis shown under. echnical Data. If positied in a space classified as Dangerous it must be enclosed in a cabinet for electrical apparatus cstructed according to the regulatis in force for the class of danger involved. It can be installed a DI rail or in a DI modular enclosure. 8.WIRIG Proceed as follows: Separate base and cover ount base DI rail and check that securing elements (5.) hold it firmly in place. Carry out wiring according to the diagram and in observance of the relevant regulatis in force, and using cables of :.5 mm for power and relay ctrol outputs mm for detectors and telectrol Switch power () and check voltage across terminals and. Switch power, replace cover base and secure it with the four screws supplied (5.). ou are advised not to insert more than two cables in a single terminal of the ctroller and if necessary to use external juncti boxes.

3 COSER D 5 - RF 8 Eng. C.. 9. WIRIG DIAGRAS 9. With three-wire modulating output 9. With two-stage - output 9. With proportial - output eg. : with run time of secds eg. : with 5-minute time cycle.. st nd. RF 8 RF 8 RF 8 B F F B F F B F F ol ol ol B B B B C kω temperature detector with... C range C kω temperature detector with C range emperature setpoint adjuster Remote seas switch Pos. = ctrol excluded with valve closing Or Remote timeswitch ctact. hree-wire modulating ctrol. wo-stage - ctrol. - ctrol with proportial cycle 9. electrol ntinuous ntinuous imeswitch ctrol Seas switching heating cooling ing oling By timeswitch F F F F F F F F F F F F Or Or ol ol Or

4 D 5 - RF 8 Eng. C.. COSER. EXAPES OF ISAAIS. emperature ctrol by modulating ctrol valve RF 8 B F F RF 8 RF 8 RF 8 RF 8 RF 8 Water temperature detector ( C) Regulating valve Setpoint adjuster (optial). ntrol temperature by - ctrol pump. ntrol return temperature and flow water limits by - ctrol pump B RF 8 RF 8 B F F B F F RF 8 RF 8 B Water temperature detector ( C) Primary circuit pump Setpoint adjuster (optial) B emperature detector return water to swimming pool (... C) emperature detector swimming pool flow water ( C) Primary circuit pump Setpoint adjuster (optial). ntrol temperature and flow water limits by modulating ctrol valve B B B RF 8 B F F RF 8 RF 8 RF 8 B B Principal temperature detector (... C) Flow water temperature detector ( C) Regulating valve Setpoint adjuster (optial)

5 COSER D 5 - RF 8 Eng. C...5 ntrol ambient temperature by - ctrol in two stages of heat generator.6 Ambient temperature ctrol by - proportial ctrol pump B st St. nd St. F F RF 8 RF 8 B B F F B F F RF 8 B B RF 8 B Ambient temperature detector (... C) E wo-stage burner F Safety thermostat Setpoint adjuster (optial) B Ambient temperature detector (... C) Plant pump Setpoint adjuster (optial).7 ntrol of minimum boiler temperature for inserti in sequence RF 8 RF 8.. RF 8 RF 8 F F B F F B F F E E K K DCC 6.. B. Boiler temperature detector (...99 C) B. Boiler temperature detector (...99 C) Boiler valve Boiler valve K Boiler relay K Boiler relay Boiler pump Boiler pump K K K 8 9 DCC 6 K 5

6 D 5 - RF 8 Eng. C.. COSER.8 ntrol ambient heating or cooling temperature by modulating ctrol air handling units.9 ntrol temperature mixed air by modulating ctrol mixing dampers B RF 8 B RF 8 B F F B F F RF 8 ol ol RF 8 B Ambient detector (... C) Actuator damper terminal unit Seas switch Setpoint adjuster (optial) B B Detector mixed air (... C) Actuator miximg dampers Seas switch Setpoint adjuster (optial) B. ntrol ambient heating or cooling temperature or discharge air by modulating ctrol. ntrol ambient heating temperature or discharge air by - ctrol in two stages B B B B RF 8 B B RF 8 B F F B F F ol ol RF 8 RF 8 B B B Detector temp. discharge or extract or ambient air (... C) Regulating valve Seas switch Setpoint adjuster (optial) B Detector temp. discharge or extract or ambient air (... C) Electric battery Setpoint adjuster (optial). ntrol temperature cooling ambient or discharge air by - ctrol in two stages st St. nd St. B B B RF 8 B F F RF 8 B Detector discharge or extract or ambient air (... C) Refrigerator compressor Setpoint adjuster (optial) B 6

7 COSER D 5 - RF 8 Eng. C... ntrol preheating temperature and ambient heating temperature or discharge air by modulating ctrols B. B. B. B. RF 8 RF 8 B F F B F F RF 8 B. Detector preheating temperature (... C) B. Detector discharge or extract or ambient air temperature (... C) Preheating regulating valve Postheating regulating valve Setpoint adjuster (optial) B. B.. ntrol preheating temperature and ambient heating temperature and limits discharge air by modulating ctrols B. B. B. p Ch RF 8 RF 8 RF 8 B F F B F F B. Detector preheating temperature (... C) B. Detector ambient or extract air temperature (... C) Detector temperature discharge air ( C) Preheating regulating valve Postheating regulating valve Setpoint adjuster (optial) B. B. 7

8 D 5 - RF 8 Eng. C.. COSER. OPERAI RF 8 is a digital ctroller incorporating a microprocessor for the ctrol of temperature mitored by: detector B ly (C kω, range... C) : ambient temp., temp. cooled water, etc. or detector ly (C kω, range C) : temp: hot water, flow temp., etc. or ambient temp. or principal temp. B and detector flow temp.. with : ing if : F F or oling if : F F. nfigurati with ctrol output : hree-wire modulating - in e or two stages - proportial in e stage It is indispensable to cfigure the ctroller according to its use by means of the microswitches the base. Bold type indicates the positi of the cursor (actually white) of the microswitches. Factory setting: programmed for three-wire modulating ctrol with 6 secds run time. o change type of ctrol positi ly the microswitches ccerned, as shown in table below. icro Functi Descripti Positi of micro ype ctrol output hree-point modulating ctrol - ctrol ype - ctrol - in e or two stages (ly if is ) - proportial - Valve run time 6 secds and (ly if in ) 9 secds and secds and 8 secds and - Half-load cycle time 5 minutes and (ly if and ) minutes and minutes and minutes and. ntrol by e detector (B or ) he ctroller compares the desired temperature (ing) or - (oling) with the temperature t measured by detector B or and calculates the value of the ctrol output in relati to the difference and to the parameters set. odulating three-wire output ing oling - : valve opening - : valve closing % Pb % Pb % t % t - output in e or two stages ing oling - : st stage - : nd stage - - t t - - t t 8

9 COSER D 5 - RF 8 Eng. C.. - output with proportial cycle ing oling - : ctrol 5% Cycle time 5% % 5% % Pb % 5% % Pb t t. ntrol using two detectors (B and ) he ctroller compares the desired temperature (ing) or - (oling) with the temperature t measured by detector B and calculates the desired flow temperature f (ing) or f- (oling) in relati to the difference and to the variati range of the flow temperature. ing oling f () Pb f () Pb f max. f max. ( f max. f min. ) ( f max. f min. ) f min. f min. (B) t (B) (B) t (B) he ctroller compares the desired flow temperature f (ing) or f- (oling) with the flow temperature t f measured by the detector and calculates the value of the ctrol output in relati to the difference and the parameters set. hree-wire modulating output ing oling - : valve opening - : valve closing % Pbf % Pbf % f () t () % f () t () - output in e or two stages ing oling - : st stage - : nd stage f () - output with proportial cycle ing oling - : ctrol 5% Cycle time 5% - - % 5% % t m Pbf f () t () t () - - % 5% % t m f () Pbf f () t () t () 9

10 D 5 - RF 8 Eng. C.. COSER. EERIG SEIG PARAEERS he setting parameters must be entered after having completed the electric wiring and cfigured the microswitches (.). he display normally shows the temperature measured by detector: B : if cnected ly B or if cnected B and. : if cnected ly. he and keys permit viewing the setting parameters (blinking display) he and keys permit changing the parameters shown the display. he type of parameter shown the display is indicated by the lighting or blinking of the relative ED. If for 6 secds no key is pressed, the display returns to showing the measured temperature.. Synchrising valve run If the ctroller is cfigured with hree-wire modulating output, each time the ctroller is powered it carries out the Synchrisati of the ctrol output during which the valve actuator is ctrolled in closing for a period slightly lger than the valve run time set by the cfigurati microswitches. During the period of synchrisati (valve closure ED lit) the display shows the letter A and a number from 99 to which indicates as a percentage the passage of time. Warning! During synchrisati the keys must not be pressed. At the end of synchrisati the display shows the temperature measured by the detector and it is possible to enter the operating parameters according to the procedure described in. or... ntrol using ly detector B or ly detector he parameters for ing and oling are different : With F F "HEA" ED lit. Enter data for ing. With F F "COO" ED lit. Enter data for oling. Fixed display with temperature measured by B or. Press : Display blinking with desired temperature. Adjust using and (resoluti.5 C). Keep pressed until display appears : Display blinking with Proportial band Pb for detector B, if modulating or proportial -. Differentinal t if - in e or two stages ed "Pb/ t" lit. Change using or (resoluti.5 C). Press : Display blinking with Integral time It, ly if odulating. It ED lit. Adjust using or (resoluti e minute). Press, (or in any event after 6 secds), display returns measured temperature.

11 COSER D 5 - RF 8 Eng. C... ntrol using detector B and detector he parameters for ing and oling are independent: With F F HEA ED lit. Enter data for ing. With F F COO ED lit. Enter data for oling. Display fixed with temperature measured by B. Press : Display blinking with desired temperature (B). Adjust using or (resoluti.5 C). Press : Display fixed with flow temperature measured by. FOW min and max EDs blinking. Keep pressed until appears display : Display blinking with Proportial band Pb for detector B. Pb/ t ED lit. Adjust using or (resoluti.5 C). Press : Display blinking with Integral time It for detector B, ly if modulating. Adjust using or (risoluzie minuto). Press : Display blinking with minimum flow temperature f min which establishes minimum limit setting range for flow temperature. FOW min ED lit. Adjust using or (resoluti.5 C). Press : Display blinking with maximum flow temperature f max which establishes maximum limit setting range for flow temperature. FOW max ED lit. Adjust using or (resoluti.5 C). Press : Display blinking with : Proportial band Pb for detector, ly if modulating. Differential t for detector, if - in e or two stages. Pb/ t ED lit. FOW min and max ED blinking. Adjust using or (resoluti.5 C). Press : Display blinking with Integral time It for detector, ly if modulating. It ED lit. FOW min and max ED blinking. Adjust using or (resoluti e minute). Press : (or, in any event after 6 secds), display returns to showing temperature measured by B.

12 D 5 - RF 8 Eng. C.. COSER COSER ilan Head ice & Sales COSER Via San G.B. De a Salle, /a el (I) UI E ISO 9 el (FW) CROI EPERAURA EERGIA 6 Rome Viale G. arci, 7 58 Edolo (BS) Via Gen. reboldi 9/9 Web: Fax Reg.. Central & Southern el Fax Orders and Shipping el / Fax info@coster.info CISQ/CSQ cert.n 95.COEE D