Related Manuals for Honeywell SN0500
Summary of Contents for Honeywell SN0500
- Page 1 SN0500 / SN0501 REFRIGERANT GAS LEAK DETECTOR INSTALLATION / USER GUIDE Copyright © 2004 Honeywell Control Systems Ltd. All Rights Reserved EN1B-0014UK07 R0404...
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Page 2: Table Of Contents
At the time of writing, this User Guide accurately describes the product. However, in the course of development of our products we may make changes without notification. Honeywell shall not be liable for errors or for incidental or consequential damages, directly or indirectly, in connection with the furnishing, performance or misuse of this product or document. -
Page 3: Introduction
GAS LEAK DETECTOR INSTALLATION & USER GUIDE 1. INTRODUCTION The Honeywell Refrigerant Gas Detection sensors, SN0500 (for refrigerant R404a) and SN0501 (for refrigerant R410) are used to detect the leakage of refrigerant gas and notify a monitoring system or provide a local indication (i.e. audible or visual signal). -
Page 4: Power Supply
GAS LEAK DETECTOR INSTALLATION & USER GUIDE The Power supply is connected at Con 1 (see Fig. 1) Green LED on - shows power connected. Pin 1 = 0V, Pin 2 = 12 to 24 VAC or 12 to 30VDC, Pin 3 = Earth. -
Page 5: Relay Contacts
GAS LEAK DETECTOR INSTALLATION & USER GUIDE Note: If changing any jumper - power must be removed. There are two relays rated up to 1 Amp at 24V DC/AC. The status of the relays is jumper selectable. Relay 1 at Con 6. Low-level alarm. Yellow LED on when in alarm. Normally closed when JP4 link inserted, JP3 link removed, as shown on Fig. -
Page 6: Standard Default Settings
GAS LEAK DETECTOR INSTALLATION & USER GUIDE Low-level relay set at 500 PPM, NO, Auto reset mode Relay 1 High-level relay set at 900 PPM, NO, Auto reset mode. Relay 2 Delays on both alarm outputs are 0 minutes (no delay). CON 1: Power Supply input Power on indicated by Green LED. -
Page 7: Connections At A Glance
GAS LEAK DETECTOR INSTALLATION & USER GUIDE Connector Description CON1 0V Supply Voltage. CON1 24V Supply Voltage. CON1 Earth. CON2 Display Connection – not used. CON2 Display Connection – not used. CON2 Display Connection – not used. CON2 Display Connection – not used. CON2 Display Connection –... - Page 8 Automation & Control Solutions Refrigeration Control Newhouse Industrial Estate Motherwell Lanarkshire ML1 5SB Phone: (44) 01698 481698 Fax: (44) 01698 481699 www.honeywell.com/refrigeration Subject to change without notice. EN1B-0014UK07 R1204...