Delta Electronics HEC2000XA User manual

Specification and Manual
Customer:
Description: Air Conditioner for Equipment (Through Wall Mounting)
Customer Part No : Rev :
Delta Model No : HEC2000XA Rev : 03
Sample Date Code:
Sample Issue Date: SEP 15 2020
DELTA ELECTRONICS, INC
252, SHANG YING ROAD, KUEI SAN TEL: [phone]
TAOYUAN CITY 333, TAIWAN FAX: [phone]
Please send one copy of this specification back after you
signed approval for production pre-arrangement
Approved by:
Date:

Part no :
Delta model no : HEC2000XA
Page 2
Table of content
Description .......................................................................................................................................... 3
Packing & Shipping ........................................................................................................................... 3
Safety Notes ....................................................................................................................................... 3
1 Product Instruction .................................................................................................................... 7
1-1 General Description .......................................................................................................... 7
1-2 Main Feature & Model Number ....................................................................................... 7
1-3 Dimension ........................................................................................................................... 9
1-4 Mounting Panel Cutout ................................................................................................... 10
1-5 Configuration & Maintenance ........................................................................................ 11
1-6 Thermal and Airflow ........................................................................................................ 12
2 Electrical Specification............................................................................................................ 13
2-1 Indicator & Connector ..................................................................................................... 13
2-2 Protection ........................................................................................................................... 16
3 Environmental Condition ........................................................................................................ 16
4 Reliability Table ........................................................................................................................ 17
5 Safety Certification .................................................................................................................. 17
6 Accessory ................................................................................................................................. 17
7 Parameters Table and Something Information ................................................................... 19
7-1 System Parameter Setup ............................................................................................... 19
7-2 System Information Observation .................................................................................. 20
7-3 Panel Operation Flowchart ............................................................................................ 21
7-4 Self-Test (Operating Procedure) ................................................................................... 22
7-5 Alarm Logs & Fault Processing ..................................................................................... 23
8 Installation Notice .................................................................................................................... 26
9 Reclaim ................................................................................................................................... 26
10 Versions .................................................................................................................................. 26

Part no :
Delta model no : HEC2000XA
Page 3
Description
This document is an installation and the characteristics of Delta HECX1P series Before
installing the unit, please read this manual thoroughly, and following the instructions
contained in it The document is the exclusive property of Delta Electronics, Inc it
should not be distributed, reproduced, or any other format without prior permission of
Delta Specifications are subject to change without notice
Packing & Shipping
During handling or transport, air conditioner must be kept in upward position, “NOT”
inverted, flat, or subject to excessive tilt and collision The air conditioner is a precision
instrument; it should be handled and transported with care Do not stand on the box,
or place heavy objects on top of the box Pay attention to the below icons on the
package
If air conditioner is toppled, slanted or dropped, follow these steps: a stand unit up for
12 hours to ensure refrigerant pressure stability, b power on the unit and execute
self-test to make sure no alarm condition, c keep the air conditioner running for 1 hour
to make sure there is no abnormal acoustic noise
Safety Notes
Please read the safety notes carefully before installing the air conditioner, and be sure
to install it correctly After completing installation, check that the unit operates properly
during start-up operation
Meaning of WARNING and CAUTION notices:
Warning:
Failure to follow these instructions properly may result in personal injury or loss of
life
Caution:
Failure to observe these instructions properly may result in property damage or
personal injury, which may be serious depending on the circumstance

Part no :
Delta model no : HEC2000XA
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Warning:
1 Installation work and electrical wiring should be done only by qualified personnel in
accordance with all applicable codes, standards and national wiring regulations
2 Use this unit only in the manner intended by the manufacturer If you have questions,
please contact the manufacturer
3 Install the air conditioner in accordance with the instructions in this installation manual
Improper installation may result in water leakage, electric shock or fire
4 Make sure that all wiring is secured, that specified wires are used, and there is no strain
on the terminal connections or wires
5 If refrigerant gas leaks during installation, ventilate the area immediately Do not directly
touch refrigerant that has leaked from refrigerant pipes or other areas, as there is a
danger of frostbite
6 Before serving or cleaning unit, switch power off and disconnect power supply
7 When cutting or drilling into wall or ceiling, do not damage electrical wiring or hidden
utilities
8 Be sure to use only the specified accessories and parts to complete installation
9 Protective grounding connection: The enclosure must be grounded at the protective
ground terminal Use 6 mm
2
(10 AWG) wire and use spring washer to avoid loosening
10 The air conditioner should not be accessible to the general public
11 The installation must contain a device to disconnect all poles of the air conditioner from
the power supply The contact distance in all poles must be 3 mm minimum
12 To reduce the risk of electrical shock: Means for disconnection must be incorporated in
the fixed wiring in accordance with the wiring rules
13 This appliance is intended for use only by qualified personnel

Part no :
Delta model no : HEC2000XA
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Caution :
1 Install the air conditioner on a wall or door strong enough to withstand the weight of the
unit
2 Do not block the air inlets or exits
3 Do not install the air conditioner at any place where there is a danger or flammable gas
leakage
4 Arrange the drain to ensure complete drainage
5 To avoid injury, do not touch the air inlet or aluminum fins of the unit
6 Watch your step at the time of fin cleaning or air conditioner inspection
7 Do not topple the air conditioner while moving or in storage
8 The hole in the bottom of the air conditioner should be connected to a sealed container
through a drain pipe
9 This appliance is not to be used by any persons with reduced physical, sensory or
mental capabilities, or lack of experience and knowledge, unless they have been given
proper supervision or instruction
10 Children should be prevented from playing with the appliance

Part no :
Delta model no : HEC2000XA
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Specification for Approval
Customer :
Description : Air conditioner for Equipment with 2000 W Rated Cooling Capacity (Through
Wall Mounting)
Customer P/N : Rev :
Delta model no : HEC2000XA Rev : 03
Sample revision : Date Code :
Sample issue date : Quantity :
INTERNAL EXTERNAL

Part no :
Delta model no : HEC2000XA
Page 7
1. Product Instruction
1-1. General Description
HEC2000XA is a DC air conditioner with -48VDC power input, it is designed for IP55
sealed outdoor telecom cabinet to provide stable and optimum internal conditions for
equipment and avoid hotspot inside the cabinet
HEC X1 X A - XXX
(1) (2) (3) (4) (5)
No Item Digit Specification
(1) Product Message HEC Compressor Air Conditioner
(2) Cooling Capacity X1 X1=2000
(3) Operation Voltage X DC 48 V for door with heater
(4) Product Version A N/A
(5) Customer ID XXX N/A
1-2. Main eature & Model Number
Dimensions, Weight & Mounting method
Dimension (H x W x D) (without flange) mm (inch) 746 x 446 x 200 (29 4 x 17 6 x 7 9)
Application Outdoor
Weight Kg (lbs) 37 0 (81 6)
Mounting Method Door/Side
Color (optional) RAL7035
Environmental Protection & Performance
Operating Temperature Range °C (°F) -40 to +55 (-40 to +131)
Operating Humidity External: 0~100% RH
Internal: 0~80% RH
Storage Temperature °C (°F) -40 to +70 (-40 to +158)
Storage Relative Humidity RH 5~95%
Refrigerant R134a, 550 g ±10 g
Protection for Dust ,Wind and Water (External) IEC 60529 /GR487 IP55 / GR487
Noise (1 5m) dB-A 65
Operating Status N/A LED Indicator / Display Board

Part no :
Delta model no : HEC2000XA
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Cooling Capacity & Operational Data
Rated Cooling Capacity at L35/L35 W (Btu/hr) 2000 (6800)
Rated Cooling Current A 13 8
Rated Internal Airflow (L35/L35) m
3
/h (CFM) 470 (275)
Rated External Airflow (L35/L35) m
3
/h (CFM) 420 (250)
Heating Capacity (Optional) W 800
Power & Range
Input Voltage VDC 48
Max Operating DC Current A 23
Alarm N/A Dry Contact Output
Key Components
Controller Built-in Smart Controller
Communication port RS485
Fans Delta High Efficiency Blowers
Compressor Rotary, DC

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1-3. Dimension
mm (inch)
(1) Material: Case SGCC Sheet
(2) Finish: Power paint 75 ~ 120 um
(3) Color: RAL 7035
(4) Dimension tolerance: ± 1 0mm

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Delta model no : HEC2000XA
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1-4. Mounting Panel Cutout
mm (inch)

Part no :
Delta model no : HEC2000XA
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1-5. Configuration & Maintenance
Make sure the air conditioner surface sealed with mounting flange to avoid water
penetrates into shelter through mounting interface It is suggested to use gaskets
sticking on the mounting flange and seal the gap between flange and cabinet with
silicone gel during installation There should be NO any gap surround gaskets to avoid
water penetrates into enclosure
The air conditioner is composed as the following key components: they are chassis,
cover, controller, heat exchanger, blowers and compressor etc It is “not” recommended
that the user replace the compressor, evaporator, and the condenser by themselves; it
may damage the system and getting injured
In order to assure the air conditioner running at optimal condition, the condenser should
be cleaned once annually at least; user can clean the condenser with water directly The
external side fan blade can also be cleaned with normal pressure water if there is dust
accumulation Please do not use strong water jet to impact the center of fan and the
surface of condenser
The bottom hole of the air conditioner should be connected to a sealed container through
a drainpipe, please clear drain holes when the maintenance Please also notice that:
1 Check wires are connected correctly, and the insulation is not cracking or broken
2 Use Self-test to check the unit running correctly or not And the supplied air of internal
side should be as cooled air
NO Q'TY DESCRIPTION
1 1 Case Chassis
2 1 Case Cover
3 1 Driver Board
4 1 DC Power Board
5 1 Compressor
6 1 Condenser
7 1 Evaporator
8 1 External Fan
9 1 Internal Fan
10 1 Display Board
11 1 Heater

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Delta model no : HEC2000XA
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3 Do not wipe the product with organic solvent, volatile substances like toluene or
gasoline, it will destroy the powder-coated surface
4 Turn off the power before maintaining
5 Please turn off power and remove dry contact connector while non-operating for a long
time
6 If any abnormal acoustic noise from air conditioner happened, please turn off the
product and contact with customer services
7 The refrigerant is environmental friendly product of R134a Little refrigerant leakage (< 5
g/ year) is allowed for application If refrigerant leakage seriously, please turn off the
power and wait for at least 2 hours to make sure the refrigerant fully exhaust Please
also contact the services to replace spare parts
8 The compressor electrical protecting cover is sealed with silicon for IP55 requirement
Please do not dismantle the sealed cover or will lose the quality assurance of the
compressor
1-6. Thermal and Airflow
Internal and external air flow circulation is shown in below diagram Counter flow design
prevents mixing of internal and external air flows, but waste heat can still be dissipated
from cabinet to the ambient outside air An internal temperature sensor has been placed
in the return air stream to provide reliable temperature measurement, and for safe
operation
The heated air inside the cabinet will be cooled by the evaporator Waste heat absorbed
by the refrigerant will be dissipated through the condenser at the external side

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Delta model no : HEC2000XA
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2 Electrical Specification
2-1. Indicator & Connector
 Power Supply & Alarm Connector
(1) DC Power Connect：
(2) RS485 and J1 Connect：
※ RS485, Door Open and Emergency Fan are optional function Now they are
useless
J1 Pin Name Description
RS485 - RS485 Communication
RS485 + RS485 Communication
NC Dry Output NC
COM Dry Output COM
NO Dry Output NO
1 Door open alarm input
2 Door open alarm input
4 Emergency Fan FG Input
5 Emergency Fan Dry Output COM
6 Emergency Fan Dry Output NO
8 Emergency Fan Ground
Pin Description Cable wire size
1 RTN 10 AWG
2 -48 VDC 10 AWG
10 AWG

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 Wiring Schematic Diagram： (Optional unction)
Please connect the wires as shown in below diagram：
(1) Door open function and emergency fan function are optional functions Now they
are useless
(2) The maximum current and rated voltage of emergency fan should 2 A and 48 VDC
respectively
(3) Running at regular times：
If Emergency Fan Function is enable, operating time of emergency fan is 5
minutes daily
(4) Forced Run：
If Emergency Fan Function is enable, the emergency fan runs when the
compressor does not have sufficient cooling capacity and cabinet temperature is
higher than startup point (emergency point + 5) Emergency Fan stop when
cabinet temperature is lower than emergency point
 System Alarm ( Dry Contact )
(1) Specification: Contact rating: 2 A @ 30 VDC / 2 A @ 250 VAC
(2) Normal: NC and COM dry contact output close ( Default Setting )
(3) Alarms happening: NC and COM dry contact output open ( Dry Contact will

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trigger when any of E2 1 , E2 5 , E2 8 , E3 1 , E4 1 , E4 2 , E4 3 ,E6 4 ,E6 5
happen )
 Panel ( Panel operation flowchart is drawn in 7-3 )
A: Display:
1 It will show the temperature inside the cabinet and system parametric
setup
2 If any alarm happens, alarm code and Cabinet Temperature are taken
turns showing on 7-Segment Display
B: LED Indicator:
1 Power:
 When the system powers on, Power LED will be solid green
 If any alarm happens, Power LED flashes Customer could check the
root cause according to alarm code (listing in 7-5)
2 Comp :
 When the compressor is running, Comp LED is solid green
 If the system goes into self-test mode, Comp LED flashes
3 Fan (In):
 When the inner fan is running, Fan (In) LED is solid green
4 Fan (Out):

Part no :
Delta model no : HEC2000XA
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 When the outer fan is running, Fan (Out) LED is solid green
C: Touchpad Control:
1 ↑ ( UP button )：UP or increase
2 ↓ ( DOWN button )：DOWN or decrease
3 SET ( SET button )：Parametric setup
4 ON/OFF ESC ( ESC button )：Back or Power on/off( Pressing it about 5
seconds )
2-2 Protection
 Over Current Protection:
DC power board: 40 A
 Over Temperature Protection:
DC power board: 89 ± 4
o
C
 Under Voltage Protection:
DC power board: 42 ± 1 0 VDC
 Over Voltage Protection:
DC power board: 59 ± 1 0 VDC
 Reverse Polarity:
Allow reverse voltage: 42 ~ 60 VDC
 Short Ckt:
If compressor UVW short for any both phase the compressor will not operate
 Compressor H/T Protection:
Tcomp ≧ 105
o
C
 Eva L/T Protection:
TEVA < 0
o
C
3. Environmental Condition
 Operating Temperature
-40 °C ~ +55 °C (-40 °F ~ +131 °F)

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 Storage Temperature
-40 °C ~ +75 °C (-40 °F ~ 167 °F)
 Operation Humidity
External air loop: 0 ~ 100 % RH
Internal air loop: 0 ~ 80 % RH, non-condensing
 Ingress Protection Rating
IP55 (IEC60529) on external side
GR487 on external side
4. Reliability Table
Test item Condition
High temperature IEC 60068-2-2
Low temperature IEC 60068-2-1
High temp / High humidity IEC 60068-2-3
Temperature cycle IEC 60068-2-14 test Nb
Vibration ETSI 300 019-1-4 CLASS 4 1
Ingress protection (external side) IEC 60529 IP55 / GR487
Salt fog test (external side) IEC 60068-2-11 severity 4 , 6cycles
Package bump IEC 60068-2-29
5. Safety Certification
CE.TUV.UL
6. Accessory

Part no :
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Power and Alarm Cable
Pin Description Cable wire size
1 RTN 10 AWG
2 -48 VDC 10 AWG
10 AWG

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7. Parameters Table and Something Information
7-1. System Parameter Setup
Item System Parameter Default Range
d1 01
Communication Address N/A N/A
d1 02 Communication Speed N/A N/A
d1 03
Target Temperature (Tt) 35
o
C 25
o
C - 50
o
C
d1 04 Difference Temperature (Td) 3
o
C 1
o
C - 5
o
C
d1 05
Cabinet Over Temperature 60
o
C 40
o
C - 60
o
C
d1 06 DC Input Over Voltage 59 V 58 V - 60 V
d1 07 DC Input Under Voltage 42 V 42 V - 51 5 V
d1 08 Auto Self-Test Function 0 1:Execute ; 0: No Execute
d1 09 Door open Function N/A N/A
d1 10 Emergency Fan Function N/A N/A
d1 11 Dry Contact Normal Status Setup 1 1: Close；0: Open
d1 12 Recovery Default Value 0 1: Execute ; 0: No Execute
d1 13 Heating Startup Point 5
o
C -40
o
C ~ 15
o
C
d1 14 Heater Sensitivity 5
o
C 5
o
C ~ 15
o
C
d1 15 Password Setup 0001 0000 ~ 9999
d1 16 System Re-Lock N/A N/A
※ d1 01, d1 02, d1 09 and d1 10 are option functions Now they are useless
※ Heating starts when cabinet temperature is lower than Heating Startup Point Heating
stops when cabinet temperature is higher than “Heating Startup Point + Heater
Sensitivity”
※ Cooling starts when cabinet temperature is higher than “Tt + Td” Cooling stops when
cabinet temperature is lower than “Tt - Td”
※ The running speed of compressor depends on the temperature’s difference between
cabinet temperature and Target temperature The higher the difference is, the higher the
speed is the lower the difference is, the lower the speed is

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7-2. System Information Observation
Item Description
d2 01 Evaporator Temperature (
o
C)
d2 02 Condenser Temperature (
o
C)
d2 03 Indoor Fan Speed (rpm)
d2 04 Outdoor Fan Speed (rpm)
d2 05 DC Input Voltage (V)
d2 06 Software Version
※ d2 01 ~ d2 06 are read-only functions