Table of Contents
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NF-8HD / NF-16HD CONTROLLER
CONTENTS:
Safety Instructions
Installation Manual
Operating Instructions
Maintenance Instructions
Spare parts
MANUAL FOR
(AUG 2005 Vers. 1005)
Tab. 05.51 Page 06.01-06.02
Tab. 05.91 Page 05.01-05.12
Tab. 05.91 Page 07.01-07.04
Tab. 05.91 Page 08.01
Tab. 05.91 Page 09.01
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Table of Contents
Related Manuals for Dantherm NF-8HD
Summary of Contents for Dantherm NF-8HD
- Page 1 MANUAL FOR NF-8HD / NF-16HD CONTROLLER (AUG 2005 Vers. 1005) CONTENTS: Safety Instructions Tab. 05.51 Page 06.01-06.02 Installation Manual Tab. 05.91 Page 05.01-05.12 Operating Instructions Tab. 05.91 Page 07.01-07.04 Maintenance Instructions Tab. 05.91 Page 08.01 Spare parts Tab. 05.91 Page 09.01...
- Page 2 01SEP05 1004GB Cat. 20 / Tab. 05.51 / Page 06.01 SAFETY REGULATIONS NF10 Disregarding Dantherm Filtration safety regulations entails a heavy safety risk. Maintenance. Maintenance must be performed to Dantherm Filtration maintenance directions. Open fire, sparking or other form of heat generation such as: Welding, grinding, boring/drilling or smoking etc.
- Page 3 01SEP05 1004GB Cat. 20 / Tab. 05.51 / Page 06.02 Respiratory Protective Device, possibly with fresh air supply. Goggles, possibly shield mask in connection with fresh air supply. For fire/explosive dust, the following must also be used: Fire Retardant Suit. Fire Retardant Working Gloves.
- Page 4 The control system is entirely assembled and tested. Connection. The filter control system NF-8HD is mounted right in front of the first 8 valves. If more than 8 valves are present, an NF-8E expansion unit is mounted immediately in front of the next 8 valves or a NF-16HD can be used.
- Page 5 E1(10) and E2 (11) or select DTC Mode 3. Application of the down-time- cleaning functions is a condition on all Dantherm Filtration guarantees. The set of con- tacts is potentialfree and is activated most appropriately by an auxiliary relay in the fan con- trol system: •...
- Page 6 01AUG 1005GB Cat.20 / Tab. 05.91 / Page 05.03 To save the new values, press the M button for more than 3 seconds. The controller automati- cally returns from the parameter setting mode to the parameter-selecting mode when the val- ues are saved.
- Page 7 01AUG 1005GB Cat.20 / Tab. 05.91 / Page 05.04 State of Operation The state of operation is indicated by the 3 light emitting diodes (LEDs) (Fig. 4, 1.1, 1.2, and 1.3) and the filter differential pressure is indicated in plain text. LED 1.1 (ON): is illuminated if the unit is operational.
- Page 8 01AUG 1005GB Cat.20 / Tab. 05.91 / Page 05.05 DTC Down-Time Cleaning The DTC is activated differently dependent of the selected method. DTC Mode 1: Fig. 1: In DTC Mode 1 the down-time cleaning procedure is started on the terminals E1 and E2 (Fan stops: E1-E2 open) DTC Mode 2: Fig.
- Page 9 01AUG 1005GB Cat.20 / Tab. 05.91 / Page 05.06 DTC Mode 3: Delta-P DTCmax Fig. 3: In DTC Mode 3 the down-time cleaning procedure is started when the pressure comes under the ∆p- DTCmin limit, but only if the ∆p-DTCmax has been exceeded. The terminals E1 and E2 are not taken into account.
- Page 10 01AUG 1005GB Cat.20 / Tab. 05.91 / Page 05.07 Final inspection after installation. • Check that the circuit voltage is 230V AC 50-60 Hz. • Monitoring of valve and unit function by starting the test operation. • The down-time-cleaning procedure is tested by briefly opening and closing the terminals E1 and E2 (first select DTC mode 1) •...
- Page 11 Data link to expansion units B1, B2, B3, B4 Data link to programming output signal (only NF-16HD) Data link to Delta P external display 4-20 mA (only NF-8HD 4-20mA and NF-16HD) Fig. 5:Terminals in the filter controller NF-8HD / NF-16HD...
- Page 12 . . . Ventile 2 bis 8 24V DC Data input terminals from main unit Terminals for connection of 1 – 8 solenoid valves Data output terminals for the following expansion units Fig. 6: Terminals for the expansion unit NF-8E NF-8HD NF-8E NF-8E (NF-16HD) (NF-16E) (NF-16E)
- Page 13 230 V ON / OFF 50-60 Hz p extern ON / OFF Nur bei DTC-Modi 1 oder 2 Fig. 8: Connection of compressed air hoses for NF-8HD NF-16HD 250 V AC 0,4 A 9 10 11 12 13 34 35...
- Page 14 To return to the operating mode Press the ∇-button and the ∆-button for more than 3 seconds to return to the operating mode. Parameter list; NF-8HD standard values in the ( ). • ∆p -MIN (700 Pa) • ∆p -MAX (1300 Pa) •...
- Page 15 01AUG 1005GB Cat.20 / Tab. 05.91 / Page 05.012 >3 s ∆p ∆p >3 s >1 s 10 s >1 s Fig. 10: Short description of how to check and change the parameters.
- Page 16 Replace the fuse. • • The plant’s emergency stop is Check the emergency stop. activated • • Internal control error Contact Dantherm Filtration service • • No valve activation Defect lead connection Check cables and cable connec- tions • •...
- Page 17 Data link to expansion units B1, B2, B3, B4 Data link to programming output signal (only NF-16HD) Data link to Delta P external display 4-20 mA (only NF-8HD 4-20mA and NF-16HD) Fig. 2:Terminals in the filter controller NF-8HD / NF-16HD...
- Page 18 01AUG 1005GB Cat.20 / Tab. 05.91 / Page 08.01 MAINTENANCE INSTRUCTIONS for the filter control unit NF-8HD / NF-16HD Safety precautions Adjustment of electrical controllers with the casing removed may only be carried out by spe- cialised personnel and in full accordance with the stipulated safety rules.
- Page 19 01AUG 1005GB Cat.20 / Tab. 05.91 / Page 09.01 LIST OF SPARE PARTS for the filter control NF-8HD / NF-16HD Whenever there is an error in the control system itself, then either the set of fuses or the whole constrol unit has to be replaced.