dixell XR170C User Manual

Dixell
Installing and Operating Instructions
release 7.0
XR160C - XR160D - XR170C - XR170D - XR162C - XR172C
CONTENTS
1. GENERAL WARNING__________________________________________________ 2
1.1 Please read before using this manual _____________________________________ 2
1.2 Safety Precautions____________________________________________________ 2
2. GENERAL DESCRIPTION ______________________________________________ 2
3. CONTROLLING LOADS________________________________________________ 2
3.1 The compressor______________________________________________________ 2
3.2 Fast freezing ________________________________________________________ 3
3.3 Defrost _____________________________________________________________ 3
3.4 “Air dryer” applications_________________________________________________ 3
3.5 Control of evaporator fans ______________________________________________ 3
3.6 Fan relay used as 2° compressor ________________________________________ 3
4. FRONT PANEL COMMANDS____________________________________________ 3
4.1 Use of LEDS ________________________________________________________ 4
5. FUNCTION AND PARAMETERS’ PROGRAMMING MENU ____________________ 4
5.1 Function Menu_______________________________________________________ 4
5.2 List of functions ______________________________________________________ 4
5.3 Exit Timeout_________________________________________________________ 5
5.4 Accessing “Pr2” and SECURITY CODE input _______________________________ 5
5.5 Changing a parameter’s value___________________________________________ 5
6. LIST OF PARAMETERS________________________________________________ 5
7. INSTALLATION AND MOUNTING ________________________________________ 7
8. ELECTRICAL CONNECTIONS __________________________________________ 7
8.1 Probes connection____________________________________________________ 7
9. ALARM SIGNALS_____________________________________________________ 7
9.1 Silencing buzzer / alarm relay output______________________________________ 7
9.2 Alarm “EE” __________________________________________________________ 7
9.3 Alarm reset through keyboard ___________________________________________ 8
9.4 Alarm recovery_______________________________________________________ 8
10. TECHNICAL DATA ___________________________________________________ 8
11. CONNECTIONS _____________________________________________________ 9
12. DEFAULT SETTING VALUES
- STANDARD MODELS _____________________ 10
952057-58 XR160C - XR170C - XR160D - XR170D - XR162C - XR172C 1/י

dixell XR170C Specifications

General

Accuracy	±1°C
Hysteresis	Adjustable
Probe Inputs	NTC or PTC
Digital Inputs	1 configurable
Display	3 digits LED
Probe Type	NTC
Enclosure Rating	IP65
Temperature Range	-50°C to +110°C

Summary

General Warning

Please Read Before Using This Manual

Manual is part of the product and should be kept near the instrument for easy and quick reference.

Safety Precautions

Check supply voltage, avoid water/moisture, disconnect electrical connections before maintenance.

Controlling Loads

The Compressor

Regulation based on thermostat probe differential. Start/stop timed if probe fails.

Fast Freezing

Defrost

Two modes (electrical heater, hot gas). Controlled by 'tdF' parameter. Defrost end by evaporator probe.

Control of Evaporator Fans

Function and Parameters' Programming Menu

Function Menu

Accessing "Pr2" and Security Code Input

Accesses installer parameters ('Pr2') requiring a security code (321).

Changing a Parameter's Value

Step-by-step guide to modify parameter values using 'SET', 'UP', 'DOWN' keys.

List of Parameters

Hy Differential

LS Minimum Set Point

US Maximum Set Point

AC Anti-Short Cycle Delay

ALC Temperature Alarms Configuration

Configures how temperature alarms relate to SET point or absolute values.

ALU Maximum Temperature Alarm

ALL Minimum Temperature Alarm

ALd Temperature Alarm Delay

IdF Interval Between Defrost Cycles

MdF (Maximum) Length for Defrost

Sets defrost duration or maximum length based on EdF.

dtE Defrost Termination Temperature

Sets evaporator probe temp for defrost termination (when EdF=1).

tdF Defrost Type

Selects defrost method (electrical heater, hot gas, etc.).

EdF Evaporator Probe Presence

Fdt Drain Time

FnC Fan Operating Mode

Selects fan operation mode (with/without compressor, continuous).

FSt Fan Stop Temperature

Fnd Fan Delay After Defrost

Ot Thermostat Probe Calibration

Adjusts possible offset of the thermostat probe.

OE Evaporator Probe Calibration

Adjusts possible offsets of the evaporator probe.

COn Compressor ON Time with Faulty Probe

COF Compressor OFF Time with Faulty Probe

Electrical Connections

Probes Connection

Alarm Signals

Silencing Buzzer / Alarm Relay Output

Alarm "EE"

Indicates data or memory failure. Includes steps for troubleshooting.

Connections

Default Setting Values - Standard Models