1535 Relative Humidity Transmitter - Novatech Controls

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35530 30!INSTALLATION2.1 MOUNTING THE TRANSMITTERSurface mount the transmitter case on to a flat surface or bracket, using the four holes provided. Refer to Figure 2.1.If the hole layout provided is not suitable then the circuit boards may be removed and additional holes drilled in therear of the case. Mounting screws should not come into contact with the printed circuit boards.All wiring should comply with local electrical codes. The lead between the probe and transmitter should be orderedwith the probe. It has an integral weatherproof connector to plug into the probe head.FRONT REAR SIDE31912.529412.51329.5 HolesAll Dimensions in Millimetres38155!Figure 2.1Enclosure Mounting Dimensions2.2 HEATER INTERLOCK RELAYSCAUTIONOn direct fired dryers, explosion protection for heated probes is achieved by switching the power to the probe heater offwhenever the main fuel valve is closed.The principle is that if the main fuel valve is open then the main flame has been established. With this primary source ofignition on, the probe heater can be safely switched on. The most dangerous situation is if fuel leaks into the drier whenthe fuel valve is closed. When power is removed from the main fuel valve the heater must also be switched off.To achieve this protection, connect the main fuel valve power to the ‘burner on I/P’ terminals and check that relay RL 7coil is compatible with the voltage connected eg. 110 or 240 VAC. Refer to Figure 2.2.For installations where there is no risk of explosion, connect a constant mains supply to terminals number 39 and 40.Page 18NOVATECH HUMIDITY TRANSMITTER
!Figure 2.2 Probe Heater Safety Interlock ConnectionsNOVATECH HUMIDITY TRANSMITTER Page 19
Page 3 and 4: !USING THIS MANUALThe Novatech 1535
Page 5 and 6: !NOVATECH 1535 HIGH TEMPERATURE,PER
Page 7 and 8: !Heater VoltageHead TemperatureRefe
Page 9 and 10: !1.3 PURGE/CALIBRATION PANELSDue to
Page 11 and 12: !1.6 REFERENCE GAS DRIERA cooler is
Page 13 and 14: !FLOWSWITCHSOLENOIDVALVE(NOTE 4)PUM
Page 15 and 16: !1.12 AUTO CALIBRATION CHECKING-PRO
Page 17: !INSTALLATION &2COMMISSIONINGSECTIO
Page 21 and 22: !2.4 CONNECTING THE PROBE CABLEConn
Page 23 and 24: !2.6 CONNECTING THE REFERENCE GAS (
Page 25 and 26: !2.8 CONNECTING THE ALARMSThe alarm
Page 27 and 28: !2.11 CONNECTING REFERENCE GASA ref
Page 29 and 30: !2.15 REFERENCE GAS FLOW SWITCHEnsu
Page 31 and 32: !2.24 DUST IN THE DRIERThe preferre
Page 33 and 34: !OPERATOR FUNCTIONS (RUN MODE)3.1 D
Page 35 and 36: !3.3.2 SUMMARY OF ALARM RELAYSALARM
Page 37 and 38: !SET-UP MODE SUMMARY4.1 SET-UP MODE
Page 39 and 40: !4. DRIER HEATING Options:TYPE1. In
Page 41 and 42: !13. TIME BETWEEN Set the time betw
Page 43 and 44: !25. PRINTER BAUD RATE Select the c
Page 45 and 46: !TRANSMITTER MAINTENANCE5.1 MAINTEN
Page 47 and 48: !10. SET PROBE A new EMF offset mus
Page 49 and 50: !5.7 BACK-UP BATTERY REPLACEMENTThe
Page 51 and 52: !If the probe tests reveal less tha
Page 53 and 54: !APPENDICES1. PROBE EMF TABLES2. CI
Page 55 and 56: !MILLIVOLT TABLE WITH AIR REFERENCE

1535 Relative Humidity Transmitter - Novatech Controls

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