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XR75CX

Emerson XR75CX User Manual

Name: Emerson XR75CX
Brand: Emerson
Rating: 4 (1 reviews)

36 pages

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026-1210 Rev 0 09-FEB-2011

XR75CX Digital Controller for Medium-Low

Temperature Refrigeration Applications

Installation and Operation Manual

Default Chapter5
- Table of Contents5
1 Introduction7
- General Warning7
2 Overview7
- General Description7
- Ordering Code7
3 Controlling Loads8
- Compressor8
- Defrost8
- Control of Evaporator Fans8
  - Forced Activation of Fans8
  - Cyclical Activation of the Fans with Compressor off8
- Light Relay Configuration (PAR Oa3; TERM. 1-4)9
4 Front Panel Commands10
- Keys and Functions10
- Use of Leds10
5 Max and Min Temperature Memorization11
- How to See the Min Temperature11
- How to See the Max Temperature11
- How to Reset the Max and Min Temperature Recorded11
6 Main Functions12
- T Oset the Current Time and Day (Only for Devices with Rtc)12
- How to See the Setpoint12
- How to Change the Setpoint12
- How to Start a Manual Defrost12
- How to Change a Parameter Value12
- The Hidden Menu12
  - How to Enter the Hidden Menu12
  - How to Move a Parameter from the Hidden Menu and Vice Versa13
- How to Assign Amodbus Address13
- How to Lock the Keyboard13
- T Ounlock the Keyboard13
- The Continuous Cycle13
- The On/Off Function13
7 Parameters14
8 Digital Inputs20
- Generic Alarm (I2F=Eal)20
- Serious Alarm Mode20
- Pressure Switch20
- Door Switch Input20
- Start Defrost20
- Switch the Auxiliary Relay20
- Inversion of the Kind of Action: Heating - Cooling20
- Energy Saving20
- Holiday Defrost20
- Digital Inputs Polarity21
9 Rs485 Serial Line (for Monitoring Systems)22
10 Rep Output (Optional)22
11 Installation and Mounting23
12 Electrical Connections23
- Probe Connection23
13 How to Use the Hot Key24
- How to Program a Hot Key from the Device (Upload)24
  - (Upload)24
14 Alarm Signals25
- Silencing Buzzer/Alarm Relay Output25
- Alarm Recovery25
- Other Messages25
15 Specifications26
16 Connections27
17 E2 Modbus Network Wiring28
18 Ect Modbus Networking to E2S29
- E2 Setup of Devices29
  - Set up Network Ports29
  - Add and Connect the Device30
- Wiring Types31
- Modbus Termination Blocks32
19 Default Setting Values33

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Emerson XR75CX Specifications

General

Brand	Emerson
Model	XR75CX
Category	Controller
Language	English

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Emerson XR75CX User Manual

Table of Contents

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Emerson XR75CX Specifications

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