technical bulletin Control Link CD Installation Instructions
Contents
1. a Case Temp Hi Limit Exceeded or Case Temp Lo Limit Exceeded alarm that occurs for the CL CD s associated case will cause the main module and remote display s Alarm LED to turn ON indicating an active alarm Unlike CL CD s temperature sensor alarms no alarm message will be shown on the display when case temperature alarms occur Pressing the ALARM SILENCE button will cause the Alarm LED to turn OFF It will also reset the Case Temp Hi or Case Temp Lo alarms in the E2 Advisory Log If the alarm re occurs a new alarm record will be written to the E2 Advisory Log after the programmed delay time in the Standard Circuit configuration Document Part 026 4601 Rev 4 04 AUG 2009 Page 8 of 10 2009 Emerson Climate Technologies Retail Solutions Inc This document may be photocopied for personal use Visit our website at http www emersonretailsolutions com for the latest technical documentation and updates technical bulletin Control Link CD Installation Instructions Multiple Alarms If more than one CL CD related alarm is active the CL CD display will only display the first alarm that occurred All other alarms will only be visible from the E2 Advisory Log Pressing the ALARM SILENCE button returns all alarms to normal both on the CL CD display and the E2 Advisory Log NOTE It is recommended you manage alarms through the E2 Advisory Log instead of the CL CD interface Viewing and resetting the alarms through E2 will en2. a return air temp sensor CAL product temp will be calculated by weighted average of the discharge and return air temperatures Pr CE PrEE Weight in percentage of the discharge air sensor value 1 in calculating the product temperature if CAL is used as the product temp 0 100 So method For example if Pr LE is 60 60 of input 1 will be added to 40 of input 2 to yield the product temperature Fail safe state of relays if communication is lost with the E2 Relay 1 and 2 refer to the on board relays on the CL CD main module FF On OFF rdl ri relays 3 through 7 refer to the relays on the Expansion Relay Board if one is being used Refer to Figure 7 for a diagram showing the relay numbers dFEE Input type of defrost termination sensor 3 Choose nEC if a temp sensor or d 9 if a temperature switch nEL dt 9 ntl CAL 1 CALY Calibration offsets of the temperature inputs 1 2 3 and 4 If a sensor is giving a high or low reading enter an offset to correct it 1g 10 i APAS The password required to edit settings from the CL CD keypad ooog 9999 0000 SFE Software revision number This field is read only Document Part 026 4601 Rev 4 04 AUG 2009 Page 10 of 10 2009 Emerson Climate Technologies Retail Solutions Inc This document may be photocopied for personal use Visit our website at http www emersonretailsolutions com for the latest technical documentation and updates
3. information about ECT 2 SWITCHES 1 6 MODBUS networking and termination SRS ADDRESSING ADDRESS 2 SWITCH IN ON POSITION CL CD Network Addressing Baud Rate and Parity ne ADDS ANETWORK ID bist Each CL CD must have a unique network address The network LEFT TE EET address is set by switches 1 6 of the DIP switch bank on the net VIEW sa work card Switches 1 6 correspond to binary digits of the net Mbithi work address 1 2 4 8 16 and 32 respectively Each switch in the UP ON position adds the corresponding value to the net BAUD RATE amp RARITY NETWORK WIRING work address CL CDs should be numbered in order starting oa EARS TENT with unit 1 see Figure 8 AAAAAAAR Switches 7 and 8 set baud rate and parity Set switch 7 to DOWN OFF to set the baud rate at 19 2k or UP ON for 9600 SET SWITCH 7 IN THE Set switch 8 DOWN OFF to specify no parity or UP ON to ee ie s TO 19200 BAUD OR specify even parity UP ON for 9600 WIRE RS485 to RS485 SET SWITCH 8 IN THE WIRE RS485 to RS485 DOWN OFF POSITION e TO SELECT NO PARITY CONNECT SHIELDS TO 0V E2 Setu p of CL CD Devices OR UP ON TO SPECIFY MIDDLE TERMINAL EVEN PARITY To enable communications between E2 and the CL CD units the devices must be added and addressed in E2 TERMINATION JUMPER SETTINGS Log in to the E2 with Level 4 access a ale OS TERMINATED 2 Press lt gt HH Connected I O Board
4. to RS485 see Figure 8 Document Part 026 4601 Rev 4 04 AUG 2009 Page 4 of 10 2009 Emerson Climate Technologies Retail Solutions Inc This document may be photocopied for personal use Visit our website at http www emersonretailsolutions com for the latest technical documentation and updates technical bulletin Control Link CD Installation Instructions Pon ane Biasing TERMINATED TERMINATED The devices at both ends of the daisy chain must be terminated BIASED UNBIASED ALL 3 JUMPERS CENTER JUMPER using the network termination jumpers However unlike the E2 IN UP POSITION IN LEFT POSITION T O Network an ECT MODBUS network must be biased on only one end the E2 On the CL CD network card the termination and bias jumpers E 2 are located below the network connector To terminate a device set the center jumper to the LEFT position i e toward the rear of the module Leave the two outside jumpers in the RIGHT NETWORK CARD NETWORK ADDRESSING position i e toward the front of the module Refer to Figure 8 emer If the ECT MODBUS network includes devices other than Con A A i A i i A trol Link and if one of these devices is the endpoint of the daisy WBSESOSE SEE EME es chain it may be necessary to use a MODBUS termination block D ADDRESS 1 if the end device has no means of on board termination Refer to Q DARRARAR Technical Bulletin 026 4602 for more
5. 2 Manual P N 026 1610 for information on setting up input definitions Modes of Operation Case Temperature Display Normal Mode When the case circuit is not in defrost and no alarms are active the CL CD display shows a temperature The user may select any of the four temperature inputs on the CL CD as the default display temperature by default the CL CD shows the discharge air temperature In this mode you may view the values of all the other inputs and outputs by pressing the DOWN arrow button Each time the DOWN arrow button is pressed a message will be displayed for one second to indicate what input or output value will be shown followed by the current value Document Part 026 4601 Rev 4 04 AUG 2009 Page 7 of 10 2009 Emerson Climate Technologies Retail Solutions Inc This document may be photocopied for personal use Visit our website at http www emersonretailsolutions com for the latest technical documentation and updates technical bulletin Control Link CD Installation Instructions Msg Displayed Sensor Value Displayed dA Discharge air sensor value Input 1 Pe Product temperature Input 2 dF Defrost termination temperature or switch state Input 3 co Coil outlet temperature Input 4 di Generic digital input Input 5 SH The calculated coil superheat if 3 and 4 have thermistors rc State of generic relay 1 reye State of generic relay 2 r93 State of gene
6. C or 12A N O 120 240 VAC RELAY 4 120VAC 1 2 hp N O or N C FLA 9 8A LRA 40A RELAY 5 240VAC 1 hp N O or N C FLA 8 0A LRA 30A RELAY 6 _ Pilot Duty 50VA 24 240VAC RELAY7 Table 1 Relay Ratings Output Board 618 1120 Networking CL CDs communicate with a parent E2 controller using a MODBUS network Each CL CD must be equipped with a net work card P N 618 2080 which plugs into the Control Link main module in the Network Comm Bus socket The net work card has a three terminal connector for wiring the MODBUS network cable and a DIP switch bank with eight switches for assigning the CL CD a unique network address The instructions in this section show how to configure and connect a network terminate the network and set addresses and baud rates It is strongly recommended you obtain a copy of Technical Bulletin P N 026 4602 ECT Modbus Networking to E2s for complete instructions on configuring a MODBUS network including grounding and noise minimization tech niques E2 COM port connection details and E2 software setup Daisy Chaining and Network Connection to Control Link CL CDs must be networked together in a daisy chain configuration all CDs networked in series from the E2 and termi nated at the two end devices No splits or star configurations are allowed The network cable must be Belden 8761 or equivalent Observe network polarity wiring RS485 to RS485 OV to OV and RS485
7. eads Online If not verify the CL CD is powered up wired correctly and has the proper network address baud rate and parity CL CD Software Setup Once a CL CD unit has been added and is online on the E2 MODBUS network the CL CD itself must be programmed This is typically done from the E2 front panel since the CL CD is designed to interface with the E2 and many CL CD fea tures such as satellite output configuration may only be programmed from the E2 front panel If a CL CD must be installed with no available access to E2 either because it is stand alone or because E2s have not been installed yet you may wish to configure the CL CD from the Control Link main module or remote display interface Refer to Configuring CL CD From The Control Link Interface page 8 Configuring CL CD Through E2 1 While logged in to the E2 with Level 4 access press 4 CONFIGURED APPLICATIONS 2 Select 100 Control Link CD 3 If there are multiple CL CDs highlight the application name whose number corresponds to the network address of the CL CD you wish to set up i e CL CD001 for CL CD 1 4 From the CL CD s status screen press SETUP 5 The parameters in these setup screens can be used to specify which inputs are present the case name or defrost override message sensor offsets and other important functions The E2 Online Help will explain the function of each parameter to access Online Help highlight the paramet
8. er you need assistance with and press When all parameters are set properly press D to return to the CL CD s status screen From the status screen press and select 9 Application Commands Application commands allow you to clear alarms in the CL CD send configuration from E2 down to the CL CD or receive configuration from the CL CD Select 3 Snd E2 Cnfg to Device Repeat steps 1 7 until all CL CDs are set up E2 Circuit Association The final step in setting up an E2 MODBUS network with Control Link CDs is associating the Standard Circuit applica tions in the E2 with the CL CDs they are attached to Refer to the E2 user manual for information on how to add and con figure standard circuits Log in to the E2 with level 4 access Press CIRCUITS to view the circuit summary screen Highlight the circuit you wish to configure then press SETUP In Setup screen C1 General set the following two parameters Num Case Sensrs Enter the number of CL CDs on this circuit Re NS Num Prod Sensrs If the CL CDs on this circuit have sensors on input 2 enter the number of these sensors e Using Case Disp Set to Yes indicating the case temperature and other temps related to this circuit are being supplied by CL CDs 5 Press to move to Setup screen C2 Case Disp This screen will show a number of Case Display fields equal to the number entered in Num Case Sensrs step 4 For each field press LOOK UP and select the application name w
9. er values cause the calculated Superheat to respond slower to changes in Superheat 10 5 dSdP Default sensor value to display during normal operation select input default is discharge air 1 4 I ELE For the generic digital input defines whether the input is edge triggered or level triggered Eg9E Lul Ed9E Denk Text to display during defrost This may not be set through the CL CD keypad input but you may view its value by pressing SET This JEF must be programmed through E2 Orde Time after defrost ends that the defrost message r nE will continue to be displayed minutes o 60 I Document Part 026 4601 Rev 4 04 AUG 2009 Page 9 of 10 2009 Emerson Climate Technologies Retail Solutions Inc This document may be photocopied for personal use Visit our website at http www emersonretailsolutions com for the latest technical documentation and updates technical bulletin Control Link CD Installation Instructions Advanced Parameters Code Description Min Max Default CASn Case name displayed when the UP arrow button is pressed This may not be set through the CL CD keypad input but you may view blank its value by pressing SET This must be programmed through E2 If a sensor is connected to input 2 this determines how product temperature is calculated If 2 is a product temp sensor SNSr the GAS ICAL SnASr Prid raw value of the sensor will be used as the product temp If 2 is
10. hose number corresponds to the network address number of the CL CD you want to associate For example if you want to associate CL CD 7 with this circuit select CL CD007 from the Look Up Table Once associated the Standard Circuit will automatically receive discharge air termination temperature and product tem perature either by sensor or calculation from the CL CDs Document Part 026 4601 Rev 4 04 AUG 2009 Page 6 of 10 2009 Emerson Climate Technologies Retail Solutions Inc This document may be photocopied for personal use Visit our website at http www emersonretailsolutions com for the latest technical documentation and updates technical bulletin Control Link CD Installation Instructions Operation SET UPARROW ALARM HED BUTTON BUTTON The Control Link module display is primarily used to view temperatures and other information about the case circuit and secondarily to program the CL CD or clear alarms The display on the front of the Control Link module and the remote dis play unit commonly used with CL CD are identical and are used the same way Seven Segment Display ALARMSILENCE DOWN ARROW EE 7 Eo BUTTON BUTTON The four digit seven segment display is the primary means a technician or opera Figure 9 CL CD Display tor will use for viewing temperatures and alarm codes and programming set points 7 SEGMENT LED DISPLAY Alarm LEDs The ALARM LED is located on the left side of the display d
11. irectly above the seven segment LEDs This LED is ON to indicate one or more of the following alarm conditions are active for that case e A temperature sensor open or short on the CL CD itself see Alarms on page 8 e A Case Temp Hi Limit Exceeded alarm from the E2 indicating the CL CD s case temperature sensor has exceeded the Case Temp Hi setpoint in the Standard Circuit to which the CL CD is associated or e A Case Temp Lo Limit Exceeded alarm from the E2 indicating the CL CD s case temperate sensor has fallen below the Case Temp Lo setpoint in the Standard Circuit to which the CL CD is associated Active Case Temp Hi and Case Temp Lo alarms are the only E2 generated alarms that will cause the CL CD s Alarm LED to be ON Combined case temp hi lo alarms product temperature alarms etc will not affect the Alarm LED Buttons The four buttons to the right of the seven segment display are used to program the CL CD select temperatures and alarms for viewing and perform other functions such as alarm clearing Output Relay Control The two on board relays on the CL CD and the five Relay Expansion Board 618 1120 relays if present are controlled by the associated Control Link CD application in the E2 To control these relays you must connect the application s RELAY x COMMAND input where x is the relay number to the output of another application in the E2 such as a schedule to con trol lighting Refer to the E
12. ixon front left side PRODUCT TEMP OR RETURN AIR 4 i 2 TEMPERATURE a COIL SENSOR OUTLET SENSOR Figure 5 Sensor Wiring CL CD Outputs On Board Relay Outputs Relay 1 The CL CD has two on board relays that may be used as satellite outputs by other E2 L EAN applications Wire the outputs to the two wire terminals on the right side of the control unit as shown in Figure 6 Each of these output points are rated to a maximum of 3A 250V Relay 2 eE 4 RELAY 2 For loads greater than 3A use the outputs to energize external relays Figure 6 CL CD Outputs Expansion Board Relay Outputs 000 OOOO Use the Form C contactors on the output board points labeled RELAY Cogpgggaguag 3 through RELAY 7 to connect the satellite outputs you will be using Refer to Figure 7 and refer to Table 1 for relay ratings and fail safe positions ON OPEN ON CLOSED OFF CLOSED OFF OPEN FAIL CLOSED FAIL OPEN Figure 7 Expansion Board 618 1120 Output Wiring Document Part 026 4601 Rev 4 04 AUG 2009 Page 3 of 10 2009 Emerson Climate Technologies Retail Solutions Inc This document may be photocopied for personal use Visit our website at http www emersonretailsolutions com for the latest technical documentation and updates technical bulletin Control Link CD Installation Instructions Expansion Board Relay Ratings Relay Ratings RELAY 3 10A N
13. l use Visit our website at http www emersonretailsolutions com for the latest technical documentation and updates technical bulletin Control Link CD Installation Instructions Mount the case temp sensor in the discharge air stream for the case Mount the defrost termination sensor near the evapora tor coil If monitoring case superheat the defrost termination sensor should be tie wrapped to the evaporator coil near the inlet Case Superheat is calculated by subtracting the defrost termination temperature from the coil outlet temperature and applying the SH Smoothing parameter Mount the product temperature sensor anywhere in the refrigerated space If using a return air sensor mount the sensor in the return air stream The coil outlet sensor must be tie wrapped to the evaporator coil at the outlet The bottom three terminal connector may be used for one generic digital sensor This sensor s ON OFF state is sent back to the E2 as a generic input value and may be programmed in a Standard Circuit application as a clean switch door switch or any other type of digital input NOTE This input does not support push buttons and momentary switches and may only be used for edge triggered or level triggered switches CASE TEMP DISCHARGE AIR SENSOR DEFROST TERMINATION GENERIC i SENSOR OR Control Link TEMPERATURE foni A INPUT Ag Cantal Link Module gt switch i front left side SWITCH 4 front left side amp kl
14. mp 30 65 C 22 149 F Max Power Consumption 15W Control Link w expansion board Remote Display Mounting REMOTE DISPLAY 6 00 The remote display is designed to be mounted on an accessible 12 7 cm part of a refrigerated case or enclosure no more than 25 feet from the main module Do not mount the remote display in an 3 3 area where water may be splashed or sprayed on the enclosure SN 4 25 If flush mounting on a flat surface such as the front of a case or enclosure punch a 5 8 square hole in the surface to allow the protruding RJ45 jack to recess and then drill 5 32 holes for the mounting screws using the remote display itself as a template J j j FLUSH MOUNT Figure 3 shows the dimensions FEUSH MO TYP2PL Power down the main module before connecting the remote Figure 3 Remote Display Mounting display Use CAT5 wiring with RJ45 connectors to connect the Main Module with the Remote Display Do not exceed a maximum length of 25 feet If mounting the unit inside the refrigerated area of the case insulate the remote display s RJ45 connector with a dielectric grease to insulate the connector from moisture contamination e o Wi rl ng Control Link Module Control Link Module front view bottom right corner front view bottom right corner Power Control Link Module without output board A L2 When the Control Link module is used without an output board c
15. onnect 120 240 VAC 50 60 Hz line voltage to the spade lug connectors on the lower right side of the Control Link module Figure 4 Power Control Link Module with 618 1120 output board raite ptt slde When the 618 1120 output board is used with a Control Link module connect NOTE The Land Non the screw terminals arein reverse order i tl the L and N spade lug terminals on the module to the L and N spade lug termi 3n the module and on the output board nals on the output board Figure 4 Connect 120 240 VAC 50 60 Hz line volt Figure 4 Control Link Power age to the screw terminals labeled L and N on the output board Do not connect any wire to the middle terminal NOTE The L and N on the screw terminals are in reverse order of the L and N spade lug terminals on the module and on the output board Sensors Case temperature and product temperature or return air sensors must be wired to the top three terminal connector on the left side of the Control Link module The defrost termination and coil outlet temperature sensors if present must be wired to the middle three terminal connector Use only CPC NTC 10k thermistors The defrost termination sensor can be either a 10k thermistor or a temperature switch Wire as shown in Figure 5 Document Part 026 4601 Rev 4 04 AUG 2009 Page 2 of 10 2009 Emerson Climate Technologies Retail Solutions Inc This document may be photocopied for persona
16. rd The Control Link main module P N 818 2060 and relay expansion boards P N 618 1120 are designed for mounting on a refrigerated case or in an enclosure near the case The output board connects to the main module with a ribbon cable and therefore should be mounted directly below the main module using the attached stand off bracket Figure 1 shows module dimensions and Figure 2 shows relay expansion board dimensions CONTROL LINK MOUNTING 3 81 5 32 TYP4PL EXPANSION BOARD 618 1120 __ 3 88 9 86 cm 1 50 3 81 cm Control Link front view l FRONT VIEW SIDE VIEW 2 19 1 38 5 56 cm 3 49 cm Figure 1 Control Link Module Mounting Figure 2 Expansion Board Mounting 13 65 cm ISSUVISSSISSG NO C NC NO C Ni NO G NC NO C NCJNO C NC RELAY3 RELAY 4 RELAYS RELAY6 REI g FRONT VIEW g SIDE VIEW Document Part 026 4601 Rev 4 04 AUG 2009 Page 1 of 10 2009 Emerson Climate Technologies Retail Solutions Inc This document may be photocopied for personal use Visit our website at http www emersonretailsolutions com for the latest technical documentation and updates technical bulletin Control Link CD Installation Instructions Main Module Expansion Board and Remote Display Environment Specifications Operating Temperature 20 C 60 C 4 F 140 F Operating Humidity 90 RH non condensing Storage Te
17. ric relay 3 r44 State of generic relay 4 r45 State of generic relay 5 r46 State of generic relay 6 recy State of generic relay 7 In this mode you may also use the UP arrow button to view the name of the case programmed for the CL CD via E2 and the MODBUS address of the CL CD Pressing the UP arrow button cycles between the case name if defined otherwise blank and the MODBUS address number Defrost Mode When the case circuit is in defrost the CL CD may be programmed to display any four character message instead of the default temperature This feature ensures the higher case temperatures that occur during a defrost cycle do not alarm cus tomers The defrost message is displayed throughout the defrost cycle and for a programmed amount of time afterwards Alarms CL CD Alarms If a temperature sensor connected to the CL CD fails an alarm message t5 will be displayed indicating which input num ber has failed and whether the sensor is open or short 5 10 for example indicates temp sensor 1 is open The CL CD will also send this alarm to the E2 s Advisory Log Press the ALARM SILENCE button to clear the alarm message and dis play the default temperature or defrost message if in defrost mode If the condition that caused the alarm is still present the alarm will re occur after one minute E2 Alarms Case Temp Hi and Case Temp Lo When a CL CD is associated with a Standard Circuit application in E2
18. s and Controllers ORQA UNTERMINATED UNBIASED 3 Inthe Connected I O screen in a box labeled ECT Devices there will be a parameter called CtrlLink CD In this field enter the number of CL Figure 8 CL CD Networking CDs on the network 4 Press D to return to the Network Setup menu then select E Controller Setup Locate the CtrlLink CaseDisp units you added to the network list press W and Gi to scroll through the list The default name for a CL CD is a code string beginning with CD If desired enter a new name for each device in the Name field 6 By default each CtrlLink CaseDisp in the network list has a board number of 0 To set the address and begin communication press and select W i Select Address In the list of MODBUS devices choose the address number corresponding to the CL CD s dip switch setting and press Ea to select it Document Part 026 4601 Rev 4 04 AUG 2009 Page 5 of 10 2009 Emerson Climate Technologies Retail Solutions Inc This document may be photocopied for personal use Visit our website at http www emersonretailsolutions com for the latest technical documentation and updates technical bulletin Control Link CD Installation Instructions Repeat steps 5 and 6 until each CL CD device has a name and address When finished press io return to the Network Setup menu then press HM Controller Status Locate the CL CDs you set up and verify their status r
19. sure you are aware of all alarms affecting the case and you can reset or clear individual alarms when necessary Configuring CL CD From The Control Link Interface UP ARROW ALARM LED BUTTON 1 Clear any active alarms by pressing the ALARM SILENCE button 2 Press and hold the UP and DOWN arrow buttons simultaneously for five seconds 3 When the display shows APAS press the SET button and use the arrow buttons to select the cor rect password default is 0000 Press the SET button to enter the password The display will show the first programmable parameter LF line frequency The arrow buttons may be used to scroll through the list of general parameters To change the value of any parameter ALARM SILENCE DOWN ARROW 1 Select the parameter using the arrow buttons until the code is shown and press the SET but ZS ONENT LED DISPLAY BUTTON BUTTON ton Figure 10 CL CD Display 2 The current value of this parameter will be displayed Use the arrow buttons to change the value 3 Press the SET button to accept value Repeat steps 1 4 until all setpoints have been properly configured 5 When finished press and hold the SET button to save changes and exit After approximately 5 seconds the display will go blank and then revert to normal display to indicate setpoints have been saved 6 To cancel all changes press and hold the SILENCE button for five seconds or leave the controller idle for 60 seconds You will lose all se
20. technical bulletin Control Link CD Installation Instructions Overview The Control Link Case Display CL CD P N 818 2060 is an electronic refrigerated case display that uses up to five inputs to monitor case temperature defrost termination temperature product or return air temperature and other sensor val ues and switches related to refrigerated case operation The CL CD displays these temperatures and values on an LED dis play The CL CD may be networked with an E2 RX controller software version 2 60F01 or higher to share sensor data with a Standard Circuit application that controls the case refrigeration Because CL CDs require only a single network cable to communicate with an E2 cases equipped with CL CDs require sig nificantly less wiring and installation labor than traditional installations which typically require one cable per sensor run to a centrally located group of input boards The CL CD may control two external loads directly from its two onboard dry contact relay outputs or it may use a plugga ble expansion output board P N 618 1120 general purpose board with 5 additional relays for satellite output control of up to 7 loads The output board requires CL CD firmware version 2 06 or higher NOTE For information about networking Control Link CD with E2 refer to Technical Bulletin 026 4602 available on the Internet at http www emersonretailsolutions com library Mounting Main Module Relay Expansion Boa
21. tpoint changes made since you entered general programming mode CAUTION To make changes permanent you MUST press and hold the SET button for five seconds Leaving the controller idle for 60 seconds will log you out and cancel all of your setpoint changes 7 If this CL CD is connected to an E2 you must save the CL CD s settings in the E2 Press EP EB and select 100 Control Link CD Highlight the application whose number corresponds to the network address number of the CL CD you programmed in Steps 1 5 above From the Status P Screen that appears press and select 9 Application Commands Select 2 Send Device Cfg to E2 Advanced Parameters Code Description Min Max Default LF Input power line frequency Hz co 60 60 FE Temperature units this affects units for both display and setpoints F C F 5 iPr If the discharge air sensor is connected to input 1 set this parameter to YES no YES YES S2Pr If a product temp or return air temperature sensor is connected to input 2 set this parameter to YES no YES no S3Pr If the defrost termination sensor is connected to input 3 set this parameter to YES no YES no 54Pr If the coil outlet temperature sensor is connected to input 4 set this parameter to YES no YES no SSPr If the generic digital input 5 is being used and has a switch or digital sensor connected set this parameter to YES no YES no SHA Smoothing factor for Superheat calculation high
Download Pdf Manuals
Related Search