rcc-1081 Installation Instructions(Rev B)
Contents
1. of oO oe m Lo 3 of o eF T 28 OF p A zi g O Figure 6 rcc 1081 1 0 Connection Diagram RCC 1081 INS B For the latest technical documentation visit www novar com manuals 6 Part RCC 1081 Wiring Method Each terminal block can accommodate the following gauges of wire Single wire from 22 AWG to 14 AWG solid or stranded Multiple wires up to two 18 AWG stranded NOTE When attaching two or more wires to the same terminal other than 14 AWG 2 0 sq mm be sure to twist them together Deviation from this rule can result in improper electrical contact Table 5 Preparing wiring for terminal blocks Procedure Strip 1 2 in 13 mm from wires to be attached at one terminal p 1 t Cut a single wire to 3 16 in 5 mm Insert the wire in the required terminal location and tighten the screw If two or more wires are being inserted into one terminal location twist the wires together a minimum of three turns before inserting them Cut the twisted end of the wires to a 16 in 5 mm before inserting them into the terminal and tightening the screw RCC 1081 INS B For the latest technical documentation visit www novar com manuals 7 Part RCC 1081 gt Pull on each wire in all terminals to check for good mechanical connection BACnet Network Wiring A two conductor shielded cable should be used to make the BACnet MS TP Network Communications connections from the Opus Exe2. Storage Temp 40 F to 158 F 40 to 70 C Operating Voltage 22VAC 28VAC 50 60Hz Power Supply Power and universal inputs are classified as NEC Article 725 Class 2 power limited Total power consumption of the controller and all connected sensors and valves must be less than 1OOVA Refer to Table 4 for typical VA consumption LEDs Indicate power BACnet connectivity and module health status Safety and Precautions Observe all national and local electrical codes during installation RCC 1081 INS B For the latest technical documentation visit www novar com manuals 2 Part RCC 1081 Mounting The controller may be mounted in any orientation on a panel or a DIN rail but must be in a position that allows clearance for wiring or servicing q SEE Opus novar FCC 1081 Figure 3 rcc 1081 on DIN Rail WARNING Electrical Shock Hazard Can cause severe injury death or property damage Disconnect power supply and load power sources before beginning wiring or making wiring connections to prevent electrical shock or equipment damage Din Rail Mounting Procedure Table 1 Din Rail Mounting Procedure Procedure Holding the controller with its top tilted in towards the DIN rail hook the top ridge of the DIN rail channel on the back of the controller onto the top of the DIN rail DIN Latch Release Henin A Figure 4 rcc 1081 DIN Latch Release RCC 1081 INS B For the latest technical
3. atus meets all reguirements of the Canadian Interference Causing Eguipment Regulations Cet appareil numerique de la Classe A respecte toutes les exigencies du Reglement sur le material broilleur du Canada Waste Electrical amp Electronic Equip NOTE Customers are advised to dispose of this product at the end of its useful life according to applicable local laws regulations and procedures RCC 1081 INS B For the latest technical documentation visit www novar com manuals 1 2 Part RCC 1081 Opus is a Registered Trademark of Honeywell International BACnet is a registered trademark of American Society of Heating Refrigerating and Air Conditioning Engineers ASHRAE The material in this document is for information purposes only The content and the product it describes are subject to change without notice Novar makes no representations or warranties with respect to this document In no event shall Novar be liable for technical or editorial omissions or mistakes in this document nor shall it be liable for any damages direct or incidental arising out of or related to the use of this document No part of this document may be reproduced in any form or by any means without prior written permission from Novar Copyright 2015 by Honeywell International Inc All Rights Reserved Novar 6060 Rockside Woods Blvd Cleveland OH 44131 Phone 1 800 348 1235 www novar com RCC 1081 INS B For the latest technical documentation
4. cutive Controller to the terminals on the left side of the rcc 1081 The BACnet network should originate from the main Opus Executive Controller and connect to the rcc 1081 with the supplied 5 position terminal block Multiple devices can be connected via daisy chain wiring or a pass through connection between devices Stubs or branches off the BACnet network are not allowed In order to guarantee the network performance of each BACnet segment the BACnet network segments from the Opus Executive Controller should contain only rec 1081 modules or other Novar approved BACnet MS TP devices NOTE Network termination and or biasing resistors should NOT be applied to any Opus BACnet installation NOTE The default baud rate for the rec 1081 is 38400 baud RCC 1081 INS B For the latest technical documentation visit www novar com manuals 8 Part RCC 1081 NOTE VY Do not exceed the maximum recommended length 1200 M 4000 ft for any BACnet segment Setting BACnet Address Every rec 1081 comes from the factory set to a BACnet address of 255 Each controller must be assigned an unique BACnet MAC address ranging from 4 through 254 in order for the Opus xcm Executive Controller to be able to identify and communicate with it NOTE VY Users have the option to set the unique BACnet MAC address using the rcc RUI Remote display reference the rcc 1081 User Manual for instructions or it can be entered into the con
5. documentation visit www novar com manuals 3 Part RCC 1081 Din Rail Un Mounting Procedure Table 2 DIN Rail Un Mounting Procedure eel eee 1 Remove all wiring connectors from the controller to expose DIN latch release 2 Pull down DIN latch release with one hand to release the fastener from the DIN rail other hand controller from the top of the DIN rail NOTE VY Panel Mounting Procedure Please use caution when pulling the DIN latch release Over extending the DIN latch release can damage the resistance spring of the mechanism 181 3 7 14 165 1 8 1 6 20 LAE Figure 5 rcc 1081 Mounting Hole Dimensions RCC 1081 INS B For the latest technical documentation visit www novar com manuals 4 Part RCC 1081 Table 3 Panel Mounting Procedure w ooo o eo o o Position the base of the product level against the panel wall and mark the wall to show the location of the corner holes The controller mounts using four screws inserted through the corners of the base Fasten securely with four No 6 or No 8 machine or sheet metal screws Power amp I O Wiring Removable terminal blocks are used to make all wiring connections to the rcc 1081 Attach all wiring to the appropriate terminal blocks reference Figure 6 rcc 1081 I O Connection Diagram All wiring must comply with applicable electrical codes and ordinances or as specified in installation wiring diagrams WARNING Electrical Sh
6. nd to be in compliance with the requirements set forth in UL 873 Temperature Indicating and Regulating Equipment and is recognized by Underwriters Laboratories Inc for installations in the United States This device has been tested and found to be in compliance with the requirements set forth in C22 2 No 24 93 Temperature Indicating and Regulating Equipment and is recognized by Underwriters Laboratories Inc for installations in Canada This device complies with Part 15 of the FCC Rules The product meets emissions requirements for product specific standards EN 55022 FCC IC Class A Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 This device must accept any interference received including interference that may cause undesired operation NOTE 7 This device has been tested and found to comply with the limits established for Class A digital devices Itis intended to be used in a commercial environment Operation of this equipment in residential environments may cause harmful interference in which case the user may be required to correct the interference at their own expense CAUTION A Any changes or modifications not expressly approved by Novar could void your authority to operate this equipment For the latest technical documentation visit www novar com manuals 1 1 Part RCC 1081 Canadian Department of Comms DOC NOTE This Class A digital appar
7. novall Part RCC 1081 rCC 1081 BACnet Case Controller Mounting amp Wiring Instructions Table of Contents Introduction Novar s rec 1081 BACnet Case Controller consists of 10 user configurable inputs and eight 8 outputs The eight 8 outputs consist of seven 7 form C relay outputs and one 1 pulse width modulated solid state output plus one 1 12VDC stepper motor output us rCC 1081 Figure 1 rcc 1081 BACnet Case Controller The rcc 1081 is a multi function controller that provides superheat control when connected to EEV valves as well as suction pressure regulation when connected to EEPR valves The rcc 1081 can also control display case and cold room ambient air temperatures and manage defrost cycles for improved system energy consumption efficiencies RCC 1081 INS B For the latest technical documentation visit www novar com manuals 1 Part RCC 1081 In addition to providing local control functions the rcc 1081 will continually monitor the operating conditions of its associated display case and transmit the data via BACnet MS TP to a higher level Opus Executive Controller Specifications 128 4 5 08 140 5 5 53 Figure 2 rcc 1081 Dimensions Physical Dimensions Width 7 14 inches 181mm Height 5 53 inches 141mm Depth 1 57 inches 40mm Weight 1 15 Ibs Operating Environment Humidity 5 to 95 Relative Humidity non condensing Operating Temp 32 F to 140 F 0 C to 60 C
8. ock Hazard Can cause severe injury death or property damage Disconnect power supply and load power sources before beginning wiring or making wiring connections to prevent electrical shock or equipment damage Power Consumption The rcc 1081 requires a 24Vac power supply The total power draw for the controller sensors and valves cannot exceed 100 VA when powered by the same transformer Table 4 below shows the typical power consumption for a rcc 1081 and common 12Vdc Stepper valves Table 4 Power Consumption Table Product RCC 1081 Sporlan SEI EEV w RCC RUI CDS 8 ooo es S S l S NOTE For multiple RCC 1081 controllers operating from a single transformer the same side of the transformer secondary must be connected to the same power input terminal on each controller RCC 1081 controllers utilize half wave voltage rectification and may not be mixed with full wave rectified devices such as the older RCC 521 Case Controller Do not attempt to power both types of controllers from the same transformer RCC 1081 INS B For the latest technical documentation visit www novar com manuals 5 Part RCC 1081 o A 5 Sa a I Q 0 E ul ee cy mo a z co kusa Sia Mddng bapa F A j sk a oF re a 5 of of nn g co oF oo un i F SE 2 ii r Sof oF o zi 7 3 D z oF o i 0 a 5WV Do3 G NO PUJYA Serse Ajddns 2BApZ B W NC G 12Vdc Stepper D02 G NO
9. troller using the eight 8 DIP switches on the front of the controller When assigning a MAC address addresses 0 1 2 amp 3 should be avoided as they are commonly used for the router diagnostic tools etc and addresses 255 is never used because it is reserved as a broadcast address To set the BACnet address of a rcc 1081 using the DIP switches on the controller 1 Find an unused address on the MS TP network to which the controller connects 2 Locate the DIP switch bank on the front of the Controller for addressing This is labeled MAC Address 3 With the rcc 1081 powered down set the DIP switches for the BACnet address you want Add the binary value of DIP switches set to OFF down position to determine the MAC address see Table 6 Example if only DIP switches 1 3 5 and 7 are in the OFF down position the BACnet address would be 85 1 4 16 64 85 Table 6 DIP Switch Values for MS TP MAC Address DIP Switch E12 38 4 5 6 7 Hite A emma L e E 2 Deele RCC 1081 INS B For the latest technical documentation visit www novar com manuals 9 Part RCC 1081 Model amp Part Numbers Table 7 Novar Part Numbers Part No Product Description __ RCC 1081 INS B For the latest technical documentation visit www novar com manuals 10 Regulatory Compliance Federal Communications Commission FCC RCC 1081 INS B Part RCC 1081 This device has been tested and fou
10. visit www novar com manuals 1 3
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