Koolance EXC-450 Manuale utente

Superior Liquid Cooling Systems

English v1.0

www.koolance.com

ISO

9001

Printed in Korea

EXC-450

User’s Manual

EXC-450

User’s Manual

User Manual

A newer version of this User Manual may exist. Please be sure to check our support page

for the latest version of this guide: www.koolance.com

GENERAL PRECAUTION

Please read this manual carefully before beginning the installation of your Koolance

system.

PROHIBITED USE

This product is designed, developed and manufactured as contemplated for general use,

including without limitation: general office use, personal use and household use, but is not

designed, developed and manufactured as contemplated for use accompanying fatal risks or

dangers that, unless extremely high safety is secured, could lead directly to death, personal

injury, severe physical damage or other loss, including without limitation: nuclear power core

control, airplane control, air traffic control, mass transport operation control, life support,

or weapon launching control. If these products are used in such hazardous environments,

Koolance Incorporated does not warrant them.

TRADEMARKS

The Koolance name and logo are trademarks or registered trademarks of Koolance, Inc.

Other company and product names used in this publication are for identification purposes

only and may be trademarks or registered trademarks of their respective companies.

!WARNING:Indicates a potentially hazardous situation which, if not avoided,

could result in personal injury or be life-threatening.

!CAUTION:Indicates a potentially hazardous situation which, if not avoided,

may result in damage to equipment or property.

PROHIBITED:Indicates a prohibited action.

ABOUT SIGNS

Throughout this document, critical information is highlighted in gray-colored boxes. The

following symbols are intended to help prevent any situation which may cause personal

injury and/or damage to equipment:

User Manual

Table of Contents

System Diagram ............................................................................................. 4

Positioning the System ................................................................................... 5

External Fittings .............................................................................................. 5

Coolant Filling and Powering-On .................................................................... 7

Display Panel .................................................................................................. 8

Temp Set......................................................................................................... 9

Alarm Set ...................................................................................................... 10

Relay Set ...................................................................................................... 10

Pump Set ...................................................................................................... 11

Display Set.................................................................................................... 11

Troubleshooting ............................................................................................ 13

Limited Warranty ........................................................................................... 14

WARNING: The Koolance liquid coolant contains chemicals which may

be harmful or fatal if swallowed. KEEP THIS AND ALL DANGEROUS

CHEMICALS OUT OF THE REACH OF CHILDREN. Please refer to

the coolant MSDS available on our website: www.koolance.com

KOOLANCE CONTACT INFORMATION

Koolance Incorporated (USA)

Address: 2840 W. Valley Hwy. N., Auburn, WA, USA 98001

Telephone: +01-253-249-7669

Fax: +01-253-249-7453

Sales Email: [email protected]

Tech Email: [email protected]

Web: www.koolance.com

CAUTION: The chiller is specific to one input voltage. Supply only the

proper input voltage, as labeled above the power terminals on the rear

of the unit. Supplying the improper voltage can damage the unit and

is not covered by the product warranty.

CAUTION:Always keep the chiller upright during operation.Additionally,

THE UNIT MUST BE KEPT UPRIGHT FOR AT LEAST 24 HOURS

BEFORE POWERING ON. This is to allow enough oil to reach the

compressor. Powering-on the unit too early can permanently damage

the compressor and is not covered by the product warranty.

CAUTION: This cooling system can chill liquid below the ambient air

temperature, which may cause condensation to form on tubing and cold

plates. It is highly recommended to keep the temperature at or above

the ambient temperature. (See “TEMP SET” for details.)

CAUTION: Do not use a temperature set-point that is below the

coolant’s freezing point. This may damage the cooling unit and is not

covered by the product warranty. It is recommended to always keep

the temperature set-point at or above ambient temperature.

Product Specifications

- Weight: 9kg (approx.)

- Dimensions: 533 x 203 x 152mm (approx.)

- Operating Temperature Range: Ambient 0-40°C, Water 0-40°C

- Cooling Capacity: 450W (1535 BTU/hr) @ 25°C liquid/ambient

- Refrigerant: R-134a

- Pump: Koolance P/N PMP-400

- Power Input: 24 VDC, 250W or higher

- Power Consumption: 230W (approx.)

User Manual

System Diagram

Condenser Fans

LED Display Panel

Carrying Handles

Control Panel

Power Switch

Fill Port

Coolant Outlet

Power Connection

Relay & Thermocouple

Terminals (Optional)

Reservoir

Level

Drain Plug

CAUTION:Always keep the chiller upright during operation. Additionally,

THE UNIT MUST BE KEPT UPRIGHT FOR AT LEAST 24 HOURS

BEFORE POWERING ON. This is to allow enough oil to reach the

compressor. Powering-on the unit too early can permanently damage

the compressor and is not covered by the product warranty.

Positioning the System

The chiller must be run upright at all times. Upon arrival of this product via

transport or courier shipping, it must be kept upright FOR AT LEAST 24

HOURS BEFORE BEING POWERED ON to allow enough oil to reach the

compressor.

OK! NO! NO!

External Fittings

Install G 1/4 BSPP threaded fittings you

have purchased into the “Inlet” and “Outlet”

ports. It’s recommended to hand-tighten

all fittings to avoid damaging the cooling

unit.

Parallel threads seal at their o-ring. Do

not use any plumber’s tape or putty on

the threads, which can interfere with the

o-ring seal.

Leave the “Drain” plug installed. This is only

opened when emptying coolant.

Coolant Inlet

User Manual

Power on the cooling unit. Set the pump to the highest speed setting until

most of the air in the cooling loop has been pushed into the reservoir. Once

this occurs, the liquid noise will drop. This process can take several minutes,

depending on the filling technique and what’s connected to the system.

During this process, components may need to be tilted gently to

assist with air evacuation. The reservoir level will decrease dur-

ing this procedure. Remove the fill port cap and add more liquid

as needed.

Maximum and minimum fill markings are provided on the back side

of the unit to help maintain the coolant level.

Cut tubing into two segments. You

will need to connect each to the rear

nozzles.

Each hose connection will use a threaded compression

ring or hose clamp to keep it secure. Be sure to thread

the compression ring or hose clamp onto the hose

before attaching it.

Squeeze the tube while pushing it firmly over

the fitting. Tubing should completely cover the

fitting or barb.

Tighten the connection by sliding the

compression nut down over the fitting and

screwing securely. For hose barbs, use pliers

to move it into the proper position before

releasing.

Slowly fill the system with coolant. To maintain

the product warranty, use only Koolance

approved coolant. Many alternative liquids

and additives can cause permanent damage

to the cooling unit (through chemical reaction,

corrosion, biological growth, thermal expan-

sion, viscosity, etc.).

Once all devices (cold plates, fittings,

etc.) have been connected with tub-

ing, the system can be filled with coolant.

The fill port is located on top of the system over the

reservoir. Remove the large slot-headed screw with

a screwdriver or large coin.

Coolant Filling and Powering-On

WARNING:Most coolants are electrically conductive. Use caution

when filling the system, and keep all liquids away from electronics and

power cables. Keep the primary AC power cable unplugged whenever

filling or draining coolant.

Replace the fill port on the reservoir. Do not overtighten the fill

port.

EXC-450 requires a 24VDC,

230W power supply (not

included).

Connect wires to the positive “+”

and negative “-” terminals, as

labeled on the back of the unit.

CAUTION: The chiller is specific to one input voltage and polarity

direction. Supply only the proper input voltage and polarity, as labeled

near the power terminals. Supplying the improper voltage or polarity

can damage the unit and is not covered by the product warranty.

User Manual

Display Panel

The Koolance display panel allows control and monitoring of various aspects of

the cooling unit. 5 buttons are used, with directional arrows to navigate or change

settings, and a center button to select/exit.

• On the main screen, hold ◙for 3 seconds to change display units between

°C/°F and LPM/GPM.

• You can exit any menu and return to the main screen by holding ◙for 2

seconds.

• To reset ALL settings to default, hold ▼+ ▲for 3 seconds.

Main Menu

To enter the main menu, briefly press ◙. The selected option will begin flashing.

Use ▼and ▲to navigate this menu.

TEMP SET: Temperature set-point adjustment

ALARM SET: Alarm settings

RELAY SET: Relay Trigger settings

PUMP SET: Pump speed settings

DISPLAY SET: LCD display settings

When in the top menu, press ◙to enter one of the above categories. To exit from

here, press ◄.

External Sensor

This unit provides a terminal on the rear for

connecting a K-type thermocouple (not included)

for external monitoring and temperature

configuration.

Navigate Up,

Increase Setting

Navigate Down,

Decrease Setting

Navigate

Left

Navigate

Right

Enter/Exit

◙

▲

▼

Under “TEMP SET”, you can select the active temperature sensor and set-point

the chiller will try to follow. There are four temperature options to select from. Press

▼and ▲to scroll among these options:

LIQ TEMP: Liquid temperature (Range: 1 to 50°C)

EXT TEMP: Rear sensor, if attached (Range: 1 to 149°C)

LIQ-AMB: Delta-T between liquid & ambient (Range: -50 to 50°C)

EXT-AMB: Delta-T between rear sensor & ambient (Range: -50 to 50°C)

The sensor currently displayed in this menu is what the chiller will follow.

Only one can be active. Press ◙to adjust the target temperature value using ▼

and ▲. Below are some examples:

LIQ TEMP= 28C Maintain coolant coming from the chiller at 28°C

EXT TEMP= 50C Maintain the external sensor at 50°C (if attached)

LIQ-AMB= -5C Maintain a difference between the liquid and ambient

air of -5°C (keep liquid 5°C below ambient)

EXT-AMB= 5C Maintain a difference between the external sensor and

ambient air of +5°C (keep sensor 5ºC above ambient)

Press ◙again to exit configuration of the sensor. Press ◄to return to the previous

menu.

Withthesesettings,it’s possible to settheliquidtemperature below the environmental

air temperature. If liquid temperatures reach the ambient dew point, condensation

(water droplets) can form on tubing and cold plates connected to the chiller. Unless

condensation is prepared for, it is recommended to keep the chiller on “LIQ-

AMB” with a minimum value of 0°C (which keeps liquid at ambient).

▲

▼

TEMP SET

CAUTION: This cooling system can chill liquid below the ambient air

temperature, which may cause condensation to form on tubing and

cold plates. It is highly recommended to keep the temperature at or

above the ambient temperature. (See below for details.)

CAUTION: Do not use a temperature set-point that is below the

coolant’s freezing point. This may damage the cooling unit and is not

covered by the product warranty. It is recommended to always keep

the temperature set-point at or above ambient temperature.

10 11

User Manual

This menu affects when the built-in audio alarm will sound. Upon entering the

alarm menu, the temperature delta-T value will flash. Press ▼or ▲to adjust this

value. Press ◙to accept and return to the previous menu.

ALARM SET

(TEMP SET) ± 5C

In the above example, the alarm will sound if the temperature exceeds a 5°C

difference (+ or -) from the chiller’s currently active temperature sensor (see “TEMP

SET”). The maximum delta-T setting range for the alarm is 49°C.

The regular audio alarm is a repeating beep. If a steady alarm tone is heard, this

indicates the relay has also been triggered (see “RELAY SET”).

NOTE: The alarm temperature must be at least 1°C (1-2°F) lower than the relay

temperature. If an alarm temperature can not be increased, first increase the relay

temperature. Likewise, if a relay temperature can not be decreased, first decrease

the alarm temperature.

RELAY SET

Rear terminals are provided for a temperature-

configurable relay. Wires can be connected as

normally-open (NO), or normally-closed (NC),

labeled below the terminals.

To adjust the relay trigger point, enter the “RELAY

SET” menu. Press ▼or ▲to adjust this value.

Press ◙to accept and return to the previous

menu.

RELAY SET

(TEMP SET) ± 40C

In the above example, the relay will trigger if the temperature exceeds a 40°C

difference (+ or -) from the chiller’s currently active temperature sensor (see “TEMP

SET”). The maximum delta-T setting range for the relay is 50°C.

NOTE: The relay temperature must be at least 1°C (1-2°F) higher than the alarm

temperature. If an alarm temperature can not be increased, first increase the relay

temperature. Likewise, if a relay temperature can not be decreased, first decrease

the alarm temperature.

ALARM SET PUMP SET

The pump speed can be manually set from 1 (lowest) to 10 (highest):

PUMP(1-10) 7LV : Pump Speed Level

The pump speed level will flash. Press ▼or ▲to adjust. Press ◙to return to the

previous menu.

DISPLAY SET

The display settings configure which values you wish to appear on the front display

and how they are shown:

DISPLAY

FIXED CYCLIC : Show 2 fixed values or cycle multiple values

The first option, “FIXED”, will flash. Press ◄or ►to change between these

options. Press ◙to configure one of the selections, or press ▲to exit. If “FIXED”

is selected, two lines will be shown:

LIQ SET 20C : First line display option

EXT TEMP 21.4C : Second line display option

The first line will flash. Press ▼or ▲to change what this line will display:

LIQ SET : (Field varies) Shows current active sensor and user set-point

AMB TEMP : Shows ambient air temperature

LIQ TEMP : Shows reservoir liquid temperature

EXT TEMP : Shows external sensor temperature (if connected)

FAN : Shows condenser fan RPM

PUMP : Shows pump impeller RPM

FLOW : Shows liquid flow rate through the unit

Press ◙to move to line 2, and similarly use ▼or ▲to choose what will be

displayed on the second line. Press ◙again to exit.

▲

▼

WARNING:The cooling system’s pump can not be run dry for any

period of time. Never power-on the chiller without sufficient liquid in

the reservoir. Dry-running (and thereby damaging the pump) is not

covered under the Koolance product warranty.

12 13

User Manual

If “CYCLIC” is chosen from the DISPLAY SET menu, multiple values can be rotated

through the front display.

The first line will flash. Use ▼and ▲to navigate to other lines. Press ◙to enable

or disable each value. This will remove the asterisk, thereby hiding that line from

being shown on the main screen:

*LIQ SET : (Field varies) Show current active sensor and user set-point

*AMB TEMP : Show ambient air temperature

LIQ TEMP : Hide liquid temperature

*EXT TEMP : Show external sensor temperature (if connected)

FAN : Hide condenser fan RPM

PUMP : Hide pump impeller RPM

*FLOW : Show liquid flow rate through the unit

Press ◄to return to the previous menu, or press ►to exit DISPLAY SET.

▲

▼

We hope your Koolance system will provide you with years of reliable cooling

performance. To help avoid unnecessary RMA issues, we have prepared this list

of possible operational problems, and their most common solutions.

1. After filling the reservoir with coolant and turning on the system, there are no

visible signs of liquid movement...

Check the flow meter value (see “DISPLAY SET”). If there is no detected flow

immediately after filling the reservoir, or the flow rate is very low or periodic,

this usually indicates the pump has not finished priming. Open the fill port on

top of the chiller and temporarily set the pump speed to 10 (see “PUMP SET”)

to help push out the air.

If possible while the pump is running, gently tilt your cold plates or other

components connected to the chiller in various directions to assist with

bleeding air from the cooling loop. If it becomes necessary to tilt the chiller to

assist with priming, close the fill port and power-off the unit before doing so.

3. The temperature alarm sounds and I’m not sure why...

The offending temperature sensor and value will flash in the front display

whenever an alarm sounds. Check that your currently selected temperature

sensor and alarm are configured as desired (see “TEMP SET” and “ALARM

SET”). If you are certain the cooling system is working properly otherwise, try

resetting all system settings by holding ▼+ ▲for 3 seconds.

4. My system appears to be leaking fluid or water...

Check that the fittings on the rear inlet/outlet and drain plug are securely tight-

ened (by hand, not with tools). They are parallel type threads, so no plumber’s

tape or putty should be used or this can interfere with proper sealing.

If during operation the outsides of your tubing or cold plates is wet, this can

indicate condensation. The chiller temperature setting should not be lower than

the ambient room air temperature. (See “TEMP SET” for recommendations.)

5. The front display is locked up or not responding.

Reset all system settings by holding ▼+ ▲for 3 seconds. After a reset, all con-

figuration settings (temperature, alarm, fans, etc.) must be updated again.

Troubleshooting

Limited Warranty

Disclaimer

Koolance Incorporated (“Koolance”) warrants each new Koolance liquid-cooled

system (“the system”), against defects in materials or workmanship for a period of

one year from the date of purchase, and agrees to repair or replace any defective

Koolance system without charge. Shipping costs are non-refundable.

This warranty is non-transferable. All warranty claims must be accompanied by the original

proof of purchase.

THIS WARRANTY DOES NOT COVER DAMAGE RESULTING FROM ACCIDENT,

MISUSE OR ABUSE, LACK OF REASONABLE CARE, SHIPPING DAMAGE,

MODIFICATIONS, THE AFFIXING OF ANY ATTACHMENT NOT PROVIDED WITH

THE PRODUCT, LOSS OF PARTS, OR OPERATING COMPONENTS AT SPEEDS OR

FUNCTIONS OTHER THAN THOSE SPECIFIED BY THEIR MANUFACTURERS.

Use of unauthorized replacement parts or liquids will void this warranty. Koolance

Incorporated will not pay for warranty service performed by a non-authorized repair

or diagnostic service and will not reimburse the consumer for damage resulting from

warranty service performed by a non-authorized repair service. No responsibility is

assumed for any special incidental or consequential damages due to a defective Koolance

product.

In order to obtain warranty service, contact our RMA department for information. The

product must be shipped postage prepaid to an authorized Koolance service location. It

is suggested that, for your protection, you return shipments of product by insured mail,

insurance prepaid. Damage occurring during shipment is not covered by this warranty.

Shipping costs are non-refundable. No other warranty, written or oral, is authorized by

Koolance Incorporated.

IN NO EVENT SHALL KOOLANCE INCORPORATED OR ITS EMPLOYEES, AGENTS,

SUPPLIERS, MANUFACTURERS, OR CONTRACTORS BE LIABLE FOR ANY

DAMAGES OF ANY KIND OR CHARACTER, INCLUDING WITHOUT LIMITATION

ANY COMPENSATORY, INCIDENTAL, DIRECT, INDIRECT, SPECIAL, PUNITIVE, OR

CONSEQUENTIAL DAMAGES, LOSS OF USE, LOSS OF DATA, LOSS OF INCOME OR

PROFIT, LOSS OF OR DAMAGE TO PERSONS OR PROPERTY, CLAIMS OF THIRD

PARTIES, OR OTHER LOSSES OF ANY KIND OR CHARACTER, AND WHETHER

OR NOT THE POSSIBILITY OF SUCH LOSS OR DAMAGE HAS BEEN NOTIFIED TO

KOOLANCE INCORPORATED.

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