Delta HEX080PD Series Bedienungsanleitung

HEX080PD series

Dimension drawing

Features Unit

◆IP55 waterproof at external side mm

(in)

◆Standalone temperature control W/K (W/℉

)

◆RS-485 function VDC

◆Clear LED status indicator A

◆Dry contact alarm output W

VDC

Design °C

◆Air to air heat exchange dB-A

◆Rated voltage at 48V Kg (Lb)

◆High efficiency and reliable fan

◆Easy installation and maintenance

Main feature Specification

Dimension (H x W x D) 950 x 450 x 150

(37 x 18 x 6)

Cooling capacity

*Note

80 (44)

Rated voltage 48

Operating current 2.2

Opearting power 106

Operating voltage range 40 ~ 60

Operating temperature range -10 ~ +65

Noise (1.5 meter) 65.0

* Specifications are subject to change without notice.

Weight 19 (42)

* Note : The cooling capacity (W/K , W/°C or W/℉) is defined as Q/ (T

-T

)

Q : Heat dissipation (W) from inside of cabinet

: Return temperature of internal air circuit (K , °C or ℉)

: Ambient temperature of external air circuit (K , °C or ℉)

Internal Door mount

HEX080PD Heat Exchanger

Instruction Manual

Table of contents

1. Version.........................................................................................................1

2. Description...................................................................................................1

2-1. General................................................................................................1

2-2. Specification.......................................................................................1

2-3. Environmental condition..........................................................................2

3. Installation ...................................................................................................2

3-1. Outline drawing..................................................................................2

3-2. Mounting panel cutout and waterproof sticking..............................3

4. Electrical specification................................................................................3

4-1. Connection and LED indicator (on HEX panel)................................3

4-2. Standalone control mode...................................................................4

5. Mechanical feature......................................................................................5

5-1. Thermal path and Airflow baffle .......................................................5

5-2. Configuration.....................................................................................6

6. Maintenance and Replacement..................................................................6

6-1. Maintenance.......................................................................................7

6-2. Replacement......................................................................................8

7. MTBF and Reliability...................................................................................8

7-1. MTBF...................................................................................................8

7-2. Relibability .........................................................................................8

8. Safety............................................................................................................9

9. General Safety and Warnings.....................................................................9

HEX080PD Heat Exchanger Instruction Manual

Page 1

1. Version

Rev. Description Drawn Approved Issue date

00 Issue spec. Nick Wang Adam Chen

2015/4/13

01 Correct spec. Nick Wang Adam Chen

2016/1/25

02 Add section 9 Nick Wang Adam Chen

2016/6/10

2. Description

2-1. General

Delta Heat Exchanger (HEX) is designed for direct air to air heat

exchange to remove heat from the cabinet.

The internal and the external air circulation loops of the HEX are

separated to prevent the introduction of dust, humidity and dirt. The fan on

the external air loop conforms to IP55 protection rating.

2-2. Specification

Main feature Unit Model Number

HEX080PD

Outline Dimension (H x W x D) mm

(in) 950 x 450 x 150

(37 x 18 x 6)

Cooling Capacity (*Note 1) W/K (W/℉)

80 (44)

Rated Voltage VDC 48

Rated Current (*Note 2) A 4.7

Operating Voltage Range VDC 40 - 60

Operating Current A 2.2

Operating Power Consumption W 106

Acoustic Noise at 1.5M (SPL) dB-A 65.0 dB-A

Weight Kg (Lb) 19 (42)

* Note1 : The cooling capacity (W/K , W/°C or W/℉) is defined as Q/ (TI-TA)

Q : Heat dissipation (W) from inside of cabinet

TI : Return temperature of internal air circuit (K , °C or ℉)

TA:Ambient temperature of external air circuit (K , °C or ℉)

*Note 2 : Rated current is announcement of safety

HEX080PD Heat Exchanger Instruction Manual

Page 2

2-3. Environmental condition

Description Specification

Operating

temperature

-10°C ~ +65°C (-14°F ~ 149°F)

Storage

temperature

-40°C ~ +70°C (-40°F ~ 158°F)

Humidity External air circuit: 0 ~ 100% RH

Internal air circuit: 0 ~ 90% RH,

Ingress protection

(on external side)l IEC60529 IP55 (NEMA 3)

GR-487 720hrs salt spray

3. Installation

3-1. Outline drawing

(1) Material : SGCC sheet t=1.0mm

(2) Finish : Power paint , Color RAL7032

(3) Dimensional tolerance : ± 1mm [0.04”]

HEX080PD Heat Exchanger Instruction Manual

Page 3

3-2. Mounting panel cutout and waterproof sticking

TOLERANCE : ± 0.5MM [0.197]

View from internal side

4. Electrical specification

4-1. Connection and LED indicator (on HEX panel)

Connection

Dry contact max. rating : 60VDC/400mA

User can select dry contact definition both normal open (N.O.) or normal

close (N.C.) themselves for alarm output that is shown as next page

HEX080PD Heat Exchanger Instruction Manual

Page 4

Definition N. O N. C

Connection Pin 3 , 4 Pin 5 , 4

Control board, NTC and fan are in

normal status OPEN CLOSE

Power-off or control board is disabled CLOSE OPEN

NTC resistance is over range such as

“open circuit” or “short circuit” CLOSE OPEN

Fan speed is lower than 50% of

definition or fan is locked CLOSE OPEN

LED indicator

Fan NTC sensor

Normal GREEN GREEN

Abnormal or failed RED Blinking RED

4-2. Standalone control mode

HEX can detect ambient temperature to control cooling capacity .

Internal fan and external fan speed default settings are shown below

Full speed : 3150 RPM ± 10%

Half speed : 1450RPM ± 200RPM

HEX080PD Heat Exchanger Instruction Manual

Page 5

5. Mechanical feature

5-1. Thermal path and Airflow baffle

With forced convection using the centrifugal fan, warm air generated

by the equipment will be blown into the internal return opening and pass

though the HEX, then flow out from internal supply opening. The air supply

of the cold air will be used to cool down the system; On the opposite side,

cooler air from the surrounding environment will be drawn in from the

external air inlet side , and push the heat of the HEX out from the external

air exhaust side. The thermal exchange path is shown in the figure on next

page .

HEX080PD Heat Exchanger Instruction Manual

Page 6

5-2. Configuration

6. Maintenance and Replacement

Be sure to SHUT DOWN the power before proceeding with any

maintenance or component replacement .

Item

Q'ty

Description

1 1 Chassis assy

2 2 Frame assy

3 1 Controller

4 1 Internal fan

5 1 External fan

6 1 Heat exchange CORE

7 1 Internal plate assy

8 1 External plate assy

HEX080PD Heat Exchanger Instruction Manual

Page 7

6-1. Maintenance

Monthly

Use brush and low pressure air to remove the dust or any debris on

both internal/external air inlet and air outlet opening .

Quarterly

Follow below maintenance sequence

Internal loop maintenance :

* The maintenance is from internal side .

* Use screw driver to remove secured screw on upper

portion of chassis assy (Item 1) .

* Disassemble the internal plate assy (Item 7) and disconnect

fan from controller (Item 3) , Note the connection location .

* Use brush and low pressure air to remove dust on internal

plate assy (Item 7) , internal fan (item 4) & heat exchange core

opening .

* Hold internal plate assy (Item 7) and connect fan to controller

(Item 3) .

* Re-attach internal plate assy (Item 7) and use screw driver to

secure screw with chassis assy (Item 1) .

External loop maintenance :

* The maintenance is from internal side .

* Use screw driver to remove secured screw on bottom

portion of chassis assy (Item 1) .

* Disassemble the external plate assy (Item 8) much

carefully to avoid waterproof foam between around external

plate assy (Item 8) and chassis assy (Item 1) to be damaged .

* Use brush and low pressure air tor emove dust on

external plate assy (Item 8) , external fan (Item 5) & heat

exchange CORE opening .

* Please check waterproof foam whether had damaged

before secure external plate assy plate (Item 8) back , if

yes , please remove damaged and stick new waterproof

foam first .

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