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Summary of Contents for mecair MPS Series
- Page 1 Model “MPS” Instruction Manual MPSing001 – rev. 02 April 02 MECAIR S.r.l. Diaphragm Valves and Electronic Controls for Dust Collector Filters Via per Cinisello 97 – 20054 Nova Milanese – Milano – Italy Phone ++39 0362 3751, Fax ++39 0362 367279...
- Page 2 ELECTRONIC SEQUENCER with ∆P CONTROL Model “MPS” Istructions for use FEATURES Pag. 2 INDEX TECHNICAL CHARACTERISTICS Pag. 2 INSTALLATION Pag. 3 PRELIMINARY CHECK Pag. 3 ELECTRICAL CONNECTIONS Pag. 3 FILTERED PRESSURE TAPS Pag. 4 INSTALLATION Pag. 4 CONNECTION Pag. 4 TECHNICAL DRAWING Pag.
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Page 3: Technical Characteristics
1. FEATURES The Model “MPS” has been designed to guarantee the control of diaphragm valves mounted on pulse jet dust collector filters containing filter bags or cartridges. MPS main features include: – Operates in MANUAL or AUTOMATIC mode Automatic start up of cleaning cycle according to set ∆P –... -
Page 4: Installation Specifications
3. INSTALLATION SPECIFICATIONS • Do not place MPS in direct sunlight in order to avoid overheating of circuit board • If you select the SHUT-DOWN CLEANING function connect MPS to a line with stabilised power. • Protect MPS from rain, water infiltration and humidity. Make sure that all cover screws are properly tightened in order to avoid any infiltration that may seriously damage the circuit board. -
Page 5: Installation
6. FILTERED TAPS Differential pressure inside the filter is detected by an internal pressure sensor located within the MPS, and which is connected to the filter by means of two filtered taps. Filter taps are designed to prevent the dust clogging the silicon tubes, which connect the filter to the MPS sensor. - Page 6 6.3 TECHNICAL DRAWING 1: FILTERED TAPS Pressure Holes Positioned Upward (3÷5 Ø 4 central) Otherwise 1 hole Ø 20 Filter Wall filt Seal Ø 20 4 fixing holes Silicon the seal well before Ø 3,75 joining the parts Self-tapping screws Ø...
- Page 7 7. START UP 7.1 START UP: VOLTAGE SELECTION Make sure that MPS does not have power (on/off switch [19] on 0 and terminals [15] disconnected). Check: 1) That the value of power supply, indicated by the yellow label [16] as INGRESSO-IN, corresponds to the available power supply (voltage / freq) 2) That power supply to the valves, indicated by the yellow label [16] as USCITA-OUT, corresponds to the voltage / freq.
- Page 8 7.2 START UP: SELECTION OF PARAMETERS Connecting the power supply [15]: a) When 230 V (L = phase, N = neutral) b) When 110 V (L = phase, N = neutral) c) When power supply from auxiliary transformers (coils, remote control switches, etc.) it is mandatory to earth one of the 2 terminals of the secondary and to connect it to N [15].
- Page 9 Using keys +/– [8] select N° OF CYCLES of SHUT DOWN CLEANING.(0 ÷ 99). (Select 0 if you do not wish to have shut down cleaning). Shut down cleaning starts automatically when ∆P of the filter goes below 0,10 kPa. –...
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Page 10: Shut Down Cleaning
10. REMOTE CAUTION !: MECAIR fit the MPS unit with a bridge on terminals REMOTE and COMMON [12]. If you wish to operate MPS with a remote switch, read instructions below. If you do not wish to take advantage of this opportunity, do not remove the bridge to prevent MPS... -
Page 11: Hour Counter
To activate REMOTE: 1) Unscrew and open the lower panel [20]. 2) Remove the bridge from terminals REMOTE and COMMON [12]. 3) Bring an external no-load and normally open (NO) contact to REMOTE and COMMON terminals [12] from an external device (example: contact from ∆P monitor). 4) Replace the lower panel fixing the screws [20]. -
Page 12: Display Messages
Some valves are between MPS and coils. ignored by MPS. Coils are interrupted. Check coils continuity. The secondary of the transformer Contact MECAIR is interrupted. Power circuit is damaged. Contact MECAIR Display shows the pulsing sequence but Power supply to the valves are... - Page 13 Remote : connect to remote start Close = run INLET or local jump Open = stop MECAIR S.r.l. NOVA MILANESE − MILANO − ITALY Phone ++39 0362 3751 Fax ++39 0362 367279 PREDISPOSIZIONE TENSIONE INGR./USC. INGRESSO IN USCITA OUT VOLTAGE SET IN/OUT...
- Page 14 17. LEGEND LED PAUSE LED PULSE LED AUTO LED SHUT DOWN CLEANING LED PRECOATING LED OK Push Button SELECT MENU Push Buttons +/– Push Button DELTA P/VALVES Display Valve earthing REMOTE terminal Relay Terminals Push in terminals Power supply terminals Yellow label indicating IN/OUT voltage –freq.
- Page 15 MPS 4-16 GENERAL ASSEMBLY VALVES DIFFERENTIAL PRESSURE INLET...
- Page 16 MPS 4-16 FRONT PANEL...
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led ok is on but diferential pressure display showing SB