Related Manuals for Danfoss EIM 365
Summary of Contents for Danfoss EIM 365
- Page 1 User Guide Superheat controller Type EIM 365 (PV01) For commercial air conditioning and refrigeration applications...
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Page 2: Table Of Contents
Superheat controller, type EIM 365 (PV01) Contents Introduction Portfolio overview Installation Applications User Interface Configuration Alarms Parameter list Ordering Certificates, declarations, and approvals Online support © Danfoss | Climate Solutions | 2022.09 BC415322248492en-000101 | 2... -
Page 3: Introduction
Introduction EIM 365 is a superheat controller that can be used to control the superheat of the evaporator by adjusting the opening degree of a valve. It is used in applications such as air conditioning, heat pumps and refrigeration. The controller can also be used as stepper valve driver by setting the valve opening degree manually via communication Bus. -
Page 4: Portfolio Overview
Superheat controller, type EIM 365 (PV01) Portfolio overview Table 1: Portfolio overview Features Specifications Supply voltage 24 V AC / DC (+ 15%), 50 / 60 Hz, 15 VA / 8 W, Class II isolation Power Consumption Idle: Max. 20 mA @ 24 V DC Operating: Max. -
Page 5: Installation
<95% RH, non-condensing Dimensions 25 × 50 × 80 mm / 0.98 × 1.97 × 3.15 inch Battery backup 18 – 28 V DC, > 49 VmAh (Recommend using Danfoss EKE 2U) Operation Standalone or via MODBUS data communication Connector type... - Page 6 Superheat controller, type EIM 365 (PV01) Dimension and Mounting Figure 1: Connection diagram Power Supply 24 V AC or DC Pressure transmitter Ratiometric 0.5 – 4.5 V i.e. AKS TxD– TxD+ Modbus to master controller Battery backup Temperature sensors PT 1000 i.e.
- Page 7 Electronic controls are no substitute for normal, good engineering practice. • Danfoss will not be responsible for any goods, or plant components, damaged because of the above defects. It is the installer’s responsibility to check the installation thoroughly, and to fit the necessary safety devices.
- Page 8 • Do not reverse the polarity of the power connection cables and avoid ground loops (i.e. avoid connecting one field device to several controllers as this may result in short circuits and can damage your device). • Use individual transformers for EIM 365 controller to avoid possible interference or grounding problems in the power supply.
- Page 9 You can overcome this degradation by changing the settings for the valve driver. This guideline is based on the cable type being the same type as the standard Danfoss stepper motor cable Table 5: Recommended wire size and cable distance (twisted pair) between EIM controller and stepper motor valve Cable length 1 m –...
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Page 10: Applications
The EIM 365 controller is designed to be operated via Modbus and to rely on a constant connection to the master controller of the system it is located within. In this configuration the master controller reads the readout registers from the EIM 365 and uses the parameters to change the control behavior of the EIM 365 (see parameter list). -
Page 11: User Interface
Superheat controller, type EIM 365 (PV01) User Interface EIM 365 is to be setup using Modbus with connection to supervisor or using Danfoss Koolprog PC suite. In order to connect the product to Koolprog, Customer has to use modbus convertor mentioned in techincal specification. -
Page 12: Configuration
The EIM 365 controller has a default configuration to be operated via Modbus and to rely on a constant connection to the master controller of the system it is located within. In this configuration the master controller reads the readout registers from the EIM 365 and uses the parameters to change the control behavior of the EIM 365 (see Parameter list). - Page 13 Superheat controller, type EIM 365 (PV01) Table 7: Configuring the superheat control Minimum Stable Superheat (MSS): The controller will be searching for the minimum stable superheat between an upper and lower boundary specified by the user. Then if the superheat is stable at...
- Page 14 The EIM 365 can be set in a standalone configuration by setting the modbus register i.e “HWMainSwitch” to 1. This will setup the S4 input to be used as a Regulation On / Off switch. Note that only external control of the EIM 365/336 in this configuration is through the Regulation On / Off switch.
- Page 15 NOTE: That defrost is not initiated by the EIM 365, but must be initiated by the master controller. In a standalone configuration the defrost mode is not possible. If a more dynamic control of the opening degree during defrost is required, the user should disable the “Def Hold Ti 2”...
- Page 16 3117 Te reference while in Te control mode Protection or Limiter features EIM 365 has protection features and Limiter features that prevents the system from operating under bad conditions or gives indication towards it, these features are • Superheat close •...
- Page 17 Superheat controller, type EIM 365 (PV01) Figure 11: MOP controlling At this pressure the OD increases slower and slower. At this pressure the OD no longer increases. Beyond it the OD decreases. pressure Valve Opening Degree Normal regulation Normal OD...
- Page 18 Valve Configuration The EIM 365 can be configured to be used with a wide range of valves ETS 12.5 or 25; ETS 50; ETS 100; ETS 250; ETS 400; USER DEFINE; Saginomiya; ETS 6; CCMT; CCMT16; CCMT24; CCMT30; CCMT42; CTR; CCMT 0; CCMT 1; ETS Colibri...
- Page 19 This is often the case if the suction pressure is used to trigger low temperature/pressure alarms by the systems main controller. In these cases the sensors can be omitted from the EIM 365, and the sensor values can be received via modbus instead.
- Page 20 Superheat controller, type EIM 365 (PV01) WARNING: Wrongselection of refrigerant may cause damage to the compressor. Startup Modes Forced opening During startup In some applications it is necessary to open the valve quickly when the compressor turns on, to prevent too low suction pressure.
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Page 21: Alarms
Superheat controller, type EIM 365 (PV01) Alarms Alarms and troubleshooting Problems with startup Sometimes in one-to-one applications, the valve does not open sufficiently on startup, and troublesome low pressure trips may occur. The force opening of valve function has been implemented in the EIM 336 controller. After startup, this function will provide a constant, set minimum opening degree during a set time period, regardless of the superheat value. - Page 22 Superheat controller, type EIM 365 (PV01) Alarms and clearing alarms Several alarms are registered and made available on modbus. Most of these are automatically cleared when the error is no longer present. Sensor error : Temperature sensor error has a timeout of 10 minutes. This means that after the reason for a sensor error has gone, the error will remain active for 10 minutes, and then it is cleared.
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Page 23: Parameter List
Superheat controller, type EIM 365 (PV01) Parameter list Table 25: Parameter list legend Rowtext Explanation The Parameter Number in the EIM 336 controller. All parameters are addressed as holding register. TheModbus PDU address correspond- sto PNU-1. If no translation table is used, this is the register number in modbus. - Page 24 Superheat controller, type EIM 365 (PV01) Label Description Min. Max. Value/ Unit Description Type KpT0 -1,0 20,0 -1.0 Pressure feedback gain. Automatic = -1, OFF = 0 , Fixed = 1 and above SH close 16,0 Superheat close level. If the superheat goes be-...
- Page 25 Enum 9 Select the type of Danfoss stepper motor valve valve selec- from the list. If you want to correct a Danfoss giv- en valve profile. Then first select the relevant valve and then select USER DEFINE. 0 = ETS 12.5...
- Page 26 Superheat controller, type EIM 365 (PV01) Table 36: Setup → Sensors Label Description Min. Max. Value/ Unit Description Type Setup → Sensors Adjust S2 -10,0 10,0 S2 Offset adjustment to correct the sensor signal due to long wires etc. Min transducer pressure 0,0...
- Page 27 Superheat controller, type EIM 365 (PV01) Table 40: Service → Control status Label Description Min. Max. Value/ Unit Description Type Service → Control status Control State 0 - Close Enum 8 Read Current state of internal control state machine. Ctrl Status...
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Page 28: Ordering
Superheat controller, type EIM 365 (PV01) Ordering Product part numbers Table 42: Product part numbers Description Pack format Code No. EIM 365 Single pack 080G1003 Accessories Table 43: Accessories Description Pack format Code No. Connector kit for 5x EIM Controller... -
Page 29: Certificates, Declarations, And Approvals
Some approvals may change over time. You can check the most current status at danfoss.com or contact your local Danfoss representative if you have any questions. -
Page 30: Online Support
Online support Danfoss offers a wide range of support along with our products, including digital product information, software, mobile apps, and expert guidance. See the possibilities below. The Danfoss Product Store The Danfoss Product Store is your one-stop shop for everything product related—no matter where you are in the world or what area of the cooling industry you work in.