Omega CN3440 - Manual (Page 3)

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CONTENTS
1 INTRODUCTION .................................. 2
2 PREPARATION .................................... 3
2.1 Checking the Code Number ......... 3
3 MECHANICAL INSTALLATION .......... 4
3.1 Siting .......................................... 4
3.2 Mounting ...................................... 5
4 ELECTRICAL INSTALLATION ............ 6
4.1 Access to Terminals ..................... 6
4.2 Setting the Input Selector Links ... 6
4.3 Setting the Isolated Output Link ... 6
4.4 Cable Glands and
Conduit Fixings ............................ 8
4.4.1
Cable Glands
(IEC – 20mm) ................... 8
4.4.2 Conduit Adaptors
(N. American – 0.5in) ........ 8
4.4.3 Cable Glands
(N. American – 0.5in) ........ 9
4.5 Connections Summary ............... 10
4.6 Input Connections ...................... 12
4.6.1
Thermocouple
(THC) Inputs ................... 12
4.6.2 3-lead Resistance
Thermometer (RTD)
Inputs .............................. 12
4.6.3 2-lead Resistance
Thermometer (RTD)
Inputs .............................. 12
4.6.4 Links for Unused Inputs .. 12
4.7 Output Connections ................... 14
4.8 Relay Connections ..................... 14
4.9 Motorized Valve Connections .... 14
4.10 Logic Input Connections ............ 15
4.11 Power Supply Selection and
AC Connections ......................... 16
5 INSTALLATION RECORD ................. 17