Table of Contents
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Installation & Operation Manual
AC Powered Cabinet
Climate Control Air Conditioner
Models EC06HDNC1U & EC20HDNC1U
EC20HDNC1U
Industrial Climate Engineering
Division of AIRXCEL
, Inc.
®
®
P.O. Box 5104 • Cordele, Georgia 31010
2002 Hoover St. • Cordele, Georgia 31015
(229) 273-9558 • Fax (229) 273-5154
E-mail: icesales@airxcel.com • Internet: www.acice.com
The most current version of this manual can
1
ICE EC06-20HDNC1U I&O Manual 07/2020 Rev.1
be found at www.acice.com.
Part Number 03758
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Summary of Contents for Airxcel ICE EC06HDNC1U
- Page 1 P.O. Box 5104 • Cordele, Georgia 31010 2002 Hoover St. • Cordele, Georgia 31015 (229) 273-9558 • Fax (229) 273-5154 E-mail: icesales@airxcel.com • Internet: www.acice.com The most current version of this manual can ICE EC06-20HDNC1U I&O Manual 07/2020 Rev.1 be found at www.acice.com.
- Page 2 Used to point out helpful suggestions that will result in improved IMPORTANT installation, reliability or operation. SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE. © 06/2019 Industrial Climate Engineering Div. Airxcel , Inc. ® ™ ICE EC06-20HDNC1U I&O Manual 07/2020 Rev.1...
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Page 3: Table Of Contents
WARNING • If the information in these instructions are not followed exactly, a fire may result causing property damage, personal injury or loss of life. • Read all instructions carefully prior to beginning the installation. Do not begin installation if you do not understand any of the instructions. •... -
Page 4: Chapter 1: Description & Specifications
Chapter 1: Description & Specifications 1.1 Foreword Note: All of the operations of this product shall be performed by professional engineers and technicians. This manual shall only be used as the guide for the installation and operation of the ICE EC06HDNC1U &... -
Page 5: Features
Features • High reliability • Intelligent control • Frequency regulated and energy-saving. • Dry contact and RS485 intelligent communication interface 1.4 Standards Standard Description IEC61000-4 Electromagnetic Compatibility IEC335-1 Safety requirement Environmental conditions existing in the application of electric IEC68-2 and electronic product – Storage Environmental conditions existing in the application of electric IEC68-2 and electronic product –... -
Page 6: Preparation Before Installing
2.2 Preparation Before Installing Please pay attention to the following points before the installation: • The placement of the equipment inside the cabinet shall be proper. For example, any obstruction to the internal cycle air inlet and outlet of the air conditioner should be avoided. -
Page 7: Electrical Installation
2.4 Electrical Installation The electrical installation of the air conditioner includes: • Connecting the power cables • Connecting the communication & alarm output cables IMPORTANT All the electrical connections should comply with the standards of the national and local electrical codes. Please disconnect all the power supplies for the air conditioner before the installation. - Page 8 Figure 4. EC06HDNC1U Monitor/Alarm Connections Type Description The NC contact of the first public alarm dry contact output The COM contact of the first public alarm dry contact output The NO contact of the first public alarm dry contact Alarm Output output (optional) The COM contact of the second public alarm dry con- tact output (optional)
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Page 9: Ec20Hdnc1U Wiring Diagram & Electrical Connections
2.6 EC20HDNC1U Wiring Diagram & Electrical Connections Figure 5. EC20HDNC1U Power/Monitor/Alarm Connections Type Description L:220VAC power input cable L; L1:110VAC power input L1/L cable L Power Input N:220VAC power input cable N; L2:110VAC power L2/N input cable L Grounding wire of the air conditioner The NC contact of the first public alarm dry contact output The COM contact of the first public alarm dry contact... - Page 10 Figure 6a. EC06HDNC1U AC Hydrogen Discharge/Emergency/Energy Saving Fan Connections Figure 6b. EC06HDNC1U DC Hydrogen Discharge/Emergency/Energy Saving Fan Connections Figure 6c. EC06HDNC1U Hydrogen Discharge/Emergency/Energy Saving Fan Connections Note: To prevent short circuit, GND can’t connect to 0V. ICE EC06-20HDNC1U I&O Manual 07/2020 Rev.1...
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Page 11: Installation Check List
Figure 7a. EC20HDNC1U Hydrogen Discharge/Emergency Fan Connections Figure 7b. EC20HDNC1U DC Input Connections Figure 7c. EC20HDNC1U DC Input Connections (FG: Optional) 2.7 Installation Check List Use the following checklist when the electrical connection and the air conditioner installation are completed. 1. -
Page 12: Start Up
2.8 Start Up Turn on the power, the internal fan will run after standby within 30 seconds .If the cabinet temperature is lower than the set-point, the unit’s internal fan will cause air recirculation in the cabinet. If the cabinet temperature is higher than the set-point, the compressor will start, and the external fan is controlled by the condensing pressure. -
Page 13: Component Control Mode
Parameter Default Value Setting Range Units Set Point Description CoolSP [15 ~ 55] ºC Point when cooling stops The sensitivity of the CoolΔT [1 ~ 10] ºC temperature control INHT [30 ~ 70] ºC Internal high Temp. alarm point HeatSP [5 ~ 25] ºC Point When heating enables... -
Page 14: Forced Ventilation
3.3.2 Forced Ventilation When the compressor does not have cooling capacity (including compressor failure, power failure), the temperature inside the cabinet is higher than the startup point (emergency point + 5) of hydrogen discharging fan and the temperature inside the cabinet is 3ºC higher than that outside the cabinet, start the hydrogen discharging fan. -
Page 15: Monitoring
Parameter Default Value Setting Range Unit Alarm Conditions No Alarm There is no alarm The internal cycle temperature HTemp.Alarm [25 ~ 80] ºC exceeds the high temperature alarm point The internal cycle temperature LTemp.Alarm [-20 ~ 15] ºC exceeds the low temperature alarm point Internal cycle temperature sensor In.Ts.Fault... -
Page 16: Operational Menu Structure
3.8 Operational Menu Structure The unit controller utilizes a 96x32 LCD, which contains 7 buttons for adjusting the settings. The operation interface is as shown in the following figure. ON/OFF ENTER Figure 9. Control Interface ON/OFF: ON/OFF Button, (long press this button, about 4s) this can be used to turn on/off the unit. -
Page 17: Chapter 4: Routine Maintenance
Note: This diagram is unit menu structure, not the real factory setting. Comments: • In1: Internal return temperature sensor1 • In2: Internal return temperature sensor2 • Out: External ambient temperature sensor • Tp: Evaporator coil temperature sensor • Te: Compressor exhaust pipe temperature sensor •... -
Page 18: Chapter 5: Troubleshooting
Chapter 5: Troubleshooting 5.1 Fan Faults Symptom Possible Cause Remedy It is a normal case ,air conditioner will get into Air conditioner is in the the automatic control logic after being power standby state on and in the standby for 30s. Internal cycling fan Check if there is any foreign object that cannot run... -
Page 19: Chapter 6: Technical Parameters
Chapter 6: Technical Parameters 6.1 EC06HDNC1U Dimensional Drawings FRONT VIEW ISOMETRIC VIEW (352) Ø (151) (110) (75) (58) (52) (128) (35) RETURN (67) (123) (583) SUPPLY (94) (205) (23) Ø (20) (320) (42) (250) (352) (60) (30) (338) BOTTOM VIEW (100) (100) (100) -
Page 20: Ec20Hdnc1U Dimensional Drawings
6.2 EC20HDNC1U Dimensional Drawings FRONT VIEW ISOMETRIC VIEW (54.5) (194) (56.5) (70) (72) (63) (70) RETURN (194) (153) (49) (117.5) (87) (783) SUPPLY (48.5) (238) Ø (18) (26.5) (133.5) (446) (451) (483) (46) (370) (26.5) Ø (18) (468) (151.5) (380) BOTTOM VIEW (260) (128) - Page 21 Notes ICE EC06-20HDNC1U I&O Manual 07/2020 Rev.1...
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