ESM™ User Manual – Version 4.0
Contents
1. There are two 12VDC power output terminals for use if power is re quired for an external pressure transducer Two ground terminals are also provided Two output terminals one 0 10VDC and one 4 20mA are provided These are used for the temperature reset application LED Status IIM Indicates Save Mode or Lock out Green Off No Light Red Constant On Channel Bypassed It is important to note that when in temperature reset mode the Save Mode is indicated on the channel based on the reset level being used For example if the third reset level is used the 3rd IIM channel will show the constant green 6 SMARTCOOL 00000000 0 00 ee ee ee eee ee ee Problem Solving When installed and configured correctly the ESM will provide trou ble free and reliable service However there are a number of common problems or perceived problems that may occur due to incorrect instal lation poor power supply or other equipment failure Common problems include e Compressor not running e Nodisplay on the LNC e No saving hours recorded e Over temperature The following charts will help to solve most start up or opereational problems Before carrying out the following checks make sure there are no fault indicators on the air conditioning or refrigeration systems that may be causing the problem A multimeter is required for the following checks 0000000000 0 00 0 ee ee eee eee Problem 1 Compressor does not opera2. the over temperature problem occurs all the time only on extreme days or in the case of refrigeration only after defrost Is there a special condition that causes the problem Is HVAC system ok Not an ESM fault me Is the ESM in bypass Switch ESM to bypass Check HVAC system amp check temperatures temperatures N Y Not an ESM fault Check value of saving settings Y2 High amp Low Y1 High amp Low Reset values to suit current temper ature measures then place ESM in operation amp check temperatures General Warranty Policy Smartcool Systems Inc hereinafter referred to as SMARTCOOL warrants that the Product shall conform to and perform in accordance with published technical specifications and the accompanying written materials and shall be free of defects in materials and workmanship for the period of time herein indicated such warranty period commencing upon receipt of the Product This warranty is limited to the repair and or replacement at SMARTCOOL s discretion of defective or non conforming Product and SMARTCOOL shall not be responsible for the failure of the Product to perform specified functions or any other non conformance caused by or attributable to a any misapplication or misuse of the Product b failure of Customer to adhere to any of SMARTCOOLS specifications or instructions c neglect of abuse of modification of or accident to the Product or d any associ
3. with Capacity Control Cards that may be part of the chiller or large compressor s control systems and cause the chiller or compressor s to reduce their own capacity during save cycles Also many large rotary screw compressors utilize an infinitely variable slide valve to manage the cooling capacity The IIM can be used to di rectly manipulate these valves to provide capacity reduction during a save cycle SMARTCOOL 0000 0000000 0 00 0 00e eee eee ee ee oe Terminology Run The primary controller calls for the compressor s and Smart cool s technology allows the compressor s to run Save The primary controller calls for the compressor s and Smart cool s technology does not allow the compressor s to run Override Smartcool s technology automatically removes itself from the system and allows primary controller to control the system until the control parameters are met Bypass Smartcool s technology is manually removed from the sys tem and has no effect on the system Network Control Module LNC The Network Controller contains the Central Processor Unit that provides control for a maximum of eight channels through four two channel Sys tem Interface Modules OR a maximum of four channels through two 2 channel Intelligent Interface Modules The Keypad on the Network Controller enables selection of and access to e Channel Input Output Status e Channel Bypass On Off e Performance data The Energy Savin
4. SMARTCOOL ESM User Manual Version 4 0 Copyright 2012 Smartcool Systems Inc All rights reserved SMARTCOOL 00 000000 00 0 00 0 0 eee eee ee oH Product Overview The Energy Saving Module is not a controller It is an add on to the ex isting system designed to work with the existing A C and Refrigeration equipment to reduce the consumption of energy while maintaining temperature control When a call for cooling comes from the existing control the ESM takes over to determine when and for how long each compressor or unloader will run At any time the ESM can be put into bypass and the system returns to operating exactly as it was prior to the installation This is an important distinction for system repairs and or troubleshooting Every installation will consist of at least 1 Network Control Module LNC and 1 System Interface Module SIM or 1 Intelligent Interface Module IIM The LNC contains the operating program which controls the switching and communications functions of the system The commu nication system of the LNC also enables the establishment of a Global Network Local systems can be networked via an RS485 communication port on the LNC to produce a Global Network in excess of 300 chan nels The SIM provides the connections for interfacing into the existing sys tem and acts as a switching device for turning the compressor s or un loaders on and off The IIM is designed to interface
5. ange Pressing the ENTER key will toggle the By pass ON or Off Use the directional arrows to access the other channels When finished press EXIT System Interface Module SIM The SIM is connected in series with the air conditioning or refrigeration control circuit to directly control the compressor operation Each Sys tem Interface Module SIM has two electrically separate independent channels with normally open and normally closed switching Each channel has provision for an exter nal override which can be activated by any type of external switching device such as a thermostat or pressure switch LED Status SIM Indicates Green Flashing Save Mode or Lock out Green Off No Light Red Constant On Channel Bypassed SMARTCOOL 0000000000 0 000 0 0e ee ee ee ee Intelligent Interface Module IIM Each IIM has two electrically separate independent channels with nor mally open and normally closed switching A 24 pin male connector on each side of the IIM enables direct side by side connection to the Network Controller and other IIMs Each channel is provided with an external 12VDC output for the control of an external relay during save cycles The re lay for each channel is utilized for the slide valve control func tion In Analog Output mode the relay of channel one can be used to drive an external relay for switching the IIM signal in place of an existing signal i e BMS when required
6. ated or complementary equipment or software not furnished by SMARTCOOL Limitation of Liability EXCEPT AS EXPRESSLY PROVIDED HEREIN SMARTCOOL MAKES NO WARRANTY OF ANY KIND EXPRESSED OR IMPLIED WITH RESPECT TO ANY EQUIPMENT PARTS OR SERVICES PROVIDED PURSUANT TO THIS AGREEMENT INCLUDING BUT NOT LIMITED TOTHEIMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE NEITHER SMARTCOOL OR ITS DEALER SHALL BE LIABLE FOR ANY OTHER DAMAGES INCLUDING BUT NOT LIMITED TO DIRECT INDIRECT INCIDENTAL SPECIAL OR CONSEQUENTIAL DAMAGES WHETHER IN AN ACTION IN CONTRACT OR TORT INCLUDING NEGLIGENCE AND STRICT LIABILITY SUCH AS BUT NOT LIMITED TO LOSS OF ANTICIPATED PROFITS OR BENEFITS RESULTING FROM OR ARISING OUT OF OR IN CONNECTION WITHTHE USE OF FURNISHING OF EQUIPMENT PARTS OR SERVICES HEREUNDER OR THE PERFORMANCE USE OR INABILITY TO USE THE SAME EVEN IF SMARTCOOL OR ITS DEALER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES IN NO EVENT WILL SMARTCOOL OR ITS RESELLERS TOTAL LIABILITY EXCEED THE PRICE PAID FOR THE PRODUCT 12 SMARTCOOL Warning Information contained in this manual is protected by copy right and is the exclusive property of Smartcool Systems Inc The information contained herein must not be copied in any form or transferred to third parties without the consent of Smartcool Systems The information contained in this manual is to be used as a general guide only Smartcool Systems reser
7. g Module is de signed to be fail safe In the un likely event of a system fault each input output channel will auto matically bypass to ensure continuous operation of the air conditioning and refrigeration equipment 2 00000000 0000 0 0 ee eee ee ee Understanding the LNC Display If your installation involves IIMs instead of SIMs you should consult your installer to interpret the LNC display 2 Display A is the default display when only JOHANNEL 1 one SIM is connected RUN SAVE Display B is the default display when more than one SIM is connected Only the num GHANNEL 12345678 ber of channels connected will show on RSNNNNNN the display Display A Display B Description LED SIM pam O8 creme ss SAVE Primary control turned off com pressor BYPASS Channel in bypass no savings will occur GLBPASS All channels in bypass no sav Red ings will occur Y2 OR Channel in bypass due to high Red temperature or pressure Channel in bypass via override Red LOCK e Channel locked Green 00000000 0 000 0 00 0 ee ee ee ee ee Reading Performance Data on the LNC Compressor Run Hours Saved Hours and Bypass Hours for each chan nel can be displayed by using the keypad gt Display Data From the default screes press ENTER From this screen use the directional arrows and a select DISPLAY DATA and press ENTER Use 2 puntiows gt Bypass Hours the directional arrows to view ot
8. her screens eres Run Hours Indicates the number of hours the compressor ran without being affected by the ESM Bypass Hours Indicates the total number of hours the channel has been in bypass when demand is present Save Hours Indicates the total number of hours the channel has been in save mode When installed on a chiller this may indicate the total number of hours when the reset value was used in the chiller Display Status This screen provides a user with a history of the LNC performance data which is necessary for analysis of the system performance From the default screen press ENTER gt Display Data gt Display Status From this screen use the directional arrows eas and select DISPLAY STATUS and press ENTER Minute 26 Y2OR 1 The LNC performance data will appear and Offtime 8 next 9 may need to be recorded for analysis or diag nostic purposes Yi 34y2 36 00 0BAR 05 To return to the default screen press the EXIT button twice 4 SMARTCOOL 000 00000000 0 00 0 0 ee eee ee ee ee Manual Bypass To enable service to the refrigeration or air condition systems it may be necessary to bypass one or more channels To access the bypass screen press the gt Display Data gt Display Status ENTER key gt Bypass gt Configure From this screen use the directional arrows to highlight BYPASS and then press the gt Channel 1 ENTER key Bypass gt Use ENTER to ch
9. te No Input Check SIM between IN amp N for voltage Input OK Not an ESM fault LED on amp not Check SIM channel LED Off flashing LED status LED on amp flashing Not an ESM fault Replace SIM Channel is in Save Output OK Check SIM between No Output NC amp N for voltage Not an ESM fault Replace SIM 00000000 0 0 0 ee ee ee ee ee Problem 2 No display visible on the LNC Power on Replace LNC Blown fuse Check for power supply Check for blown fuse Replace fuse Not an ESM fault 00 00000000 0 00 0 0 0 ee ee eee ee ee Problem 3 No saving hours recorded This problem can be caused by incorrect wiring by incorrectly setting the Y2 High amp Low values or by the ESM being switched to bypass Is the ESM turned on Not an ESM fault Turn Yes on amp check operation Yes Is the ESM in bypass Not an ESM fault Turn off bypass amp check operation Check display data Are any hours recorded Check SIM for correct neutral connection Are any RUN hours recorded Check SIM for correct polarity of input and output connections Are any BYPASS hours recorded Yes Check values of Y2 High and Low settings 00000 00000000 0 00 0 0 ee ee ee ee ee Problem 4 Over temperature problems Before carrying out the following check make sure the ESM is operating correctly It will also help to ascertain if
10. ves the right to amend the design and specifications of the products included in this publication The instructions contained in this manual refer to software version 4 05 or higher For detailed instructions of prior ver sions please contact Smartcool Systems for support Copyright 2012 Smartcool Systems All rights reserved 0000000000 0 0 0 ee ee ee ee ee This device complies with Part 15 of the FCC Rules Operation is subject to the following 1 This device may not cause harmful interference 2 This device must accept any interference received including inter ference that may cause undesired operation This Class A digital apparatus complies with Canadian ICES 003 CE Support Contact your local installer for additional support If local support is not available the Smartcool team is available to help you with any problems you may have with an installation of Smartcool products Tel 44 1420 544 868 support smartcool net www smartcool net
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