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ENH Series Cool ChangerSuper-thermal conductive pipe (heat pipe)
type heat exchanger for control panel
Instruction ManualInside-the-panel mount type
(Standard voltage model and irregular voltage model)ENH-105L/110L/115L/115S/130L/165L
Outside-the-panel mount type(Standard voltage model)
ENH-115L-O/115S-O/130L-O/165L-O
CAUTION• Be sure to read this instruction manual before
using this equipment.• Keep this instruction manual with care.
MH011EAPISTE中国代理店:深圳市屹智科技开发有限公司 电话:0755-26497123 传真:0755-26497124
2
This instruction manual uses the following symbols to allow users to recognize important instructions at a glance. Before reading this manual, become familiar with these symbols.
■ The degrees of the danger and damage resulting from negligence of these safety instructions or improper use of this equipment are classified with the following sym-bols:
• Before using this equipment, read this instruction manual carefully and understand its contents thoroughly.
• This instruction manual will not be reissued. Keep this manual with care.• We cannot guarantee the safety of this equipment, if you use it in an unintended manner other than specified in this instruction manual.
• Be sure to comply with the safety instructions, cautions, and warnings described in this manual.
■ The types of instructions to be complied with by users are classified with the following symbols:
The following symbols are typical examples.
Symbol and Definition
WARNING
CAUTION
CAUTION
Failing to comply with the instructions described here may result in physical injury (electric shock, burn, etc.)
Failing to comply with the instructions described here may result in failure of this equipment.
This symbol indicates an instruction that calls user’s caution.
This symbol indicates an inhibited operation or action.
This symbol indicates a compulsory operation or action.
This symbol indicates precautions to be taken to avoid electric shock.
Safety Instructions
This instruction manual contains important information and instructions necessary to ensure safe opera-tion and proper maintenance of this equipment.Before using this equipment, read carefully the following safety instructions.
3
Contents
1. Introduction ········································································································
2. Part Names ·········································································································
3. Installation ········································································································· 3-1 Mounting the ENH Unit ·····················································································3-2 Mounting the filter and protective covers·····························································
4. Wiring ·················································································································
5. Operation ··········································································································· Starting Operation ································································································
6. Inspection and Maintenance ·············································································· 6-1 Fan Replacement ·····························································································6-2 Procedure for Replacing the Fans······································································6-3 Filter Replacement ··························································································6-4 Outside air fins cleaning procedure····································································
7. Outer Dimensions ····························································································
8. Diagram of Installation Work ···········································································
9. Specifications ·····································································································
10. Repair/Warranty ································································································
4
4
556
7
77
888
1010
11
16
18
20
1
4
Introduction
2 Part Names
80
50
10
0 10 60 120 180
This equipment consists of fans and a heat pipe, and ithas a structure to isolate the air inside the controlpanel.The inner fan draws the hot air inside the control panelto the area around the lower section of the heat pipe.The heat is released into the outside air by using theconductivity of the heat pipe so that an increase in theair temperature can be prevented.
Inside the heat pipe is a vacuum and a small amount of workingfluid. When the hot inside air is drawn to the area around the heat-absorbing section, the working fluid absorbs the heat, vaporizesand immediately ascends inside the pipe. The evaporated fluidreleases the heat at the upper section of the pipe, is cooled by theoutside air, and then condenses and returns to liquid.This cycle of the absorption of latent heat, heat dissipation, andcondensation is repeated continually inside the heat pipe at highefficiency.
Test conditionAs shown in the figure below, half the length of a super-thermal conductive pipe isimmersed in a hot water bath maintained at 80°C. The graph shows the increasein the temperature of the upper end of the pipe immediately after immersion bycomparing it with the result of a normal copper pipe.
* The super-thermal conductive pipeis generally called a heat pipe. Itsprinciple was found by Gaugler(General Motors, U.S.A.) in 1942and was named by Grover in 1963.
■ Response of super-thermal conductive pipe
<Inside-the-panelmount type>
<Outside-the-panelmount type>
Outside air Heat pipe
Inside thecontrol panel
Inside thecontrol panel
Outside air Heat pipe
Heat-dissipating section
The fluid vaporizesand ascends.
Condensation
Working fluid
Heat-dissipating section
Temperature of hot water (80˚C)
Super-thermal conductivepipe
Time (second)
Nomal copper pipe
Tem
pera
ture
of u
pper
end
(˚C
)
Super-thermal conductive pipe
Bath
Hot water
Heater
<Inside-the-panel mount type> <Outside-the-panel mount type>
Filter
Outsideair fan
Terminalblock forpower supply
Panel cover
Outsideair fan
FilterOutsideair fan
Panel cover
3
5
Installation
CAUTION• Cut a hole in the appropriate section of the
control panel according to the panel workdimensions.
• Mount the equipment securely with properscrews.
• Be sure to mount the equipment with its heat-absorbing section at the bottom (for inside aircirculation).
• Be sure to mount the equipment in a verticalposition.
• Consider the mounting position carefullybecause objects near the air inlet/outlet willaffect the cooling ability.
• Take extra care not to cut your fingers orhands with the aluminum fin on the outlet port.
• Do not use the ENH heat exchanger outdoors.• Do not use the equipment in a place where the temperature exceeds or drops below the
allowable ambient temperature or where corrosive or flammable gases may be generated.• Do not use the equipment in a place where it may be exposed to vibration or shock.• Avoid installing the equipment in a place where it may be exposed to vapor or water.• Because this is heat-exchanging type cooling equipment, it cannot cool the air inside the
control panel to a temperature lower than that of the outside air.• Depending on the position of the devices inside the control panel, the air circulation may be
insufficient, resulting in an uneven temperature inside the control panel. In such a case,provide additional appropriate circulation or change the positions of the devices susceptibleto heat to the lower section of the control panel.
3-1 Mounting the ENH Unit1. Test the machine before installing the unit.
• Before cutting the control panel, cover the equipment in the panel with a plastic sheet tokeep metal chips out.
• Install this equipment horizontally or vertically. • The securing screws (four) for the protection cover are set on the heat exchanger unit
upon product delivery. Make sure to remove the screws before installing the main unit.(These instructions are for the inside-the-panel mount type only. Screws are provided in abag with the outside-the-panel mount type.)
Please take the following precautions when installing the product.
2.Refer to the Installation Work Diagram in section 8 to perforate the surface of the control panel to whichyou want to install the unit.
<Inside-the-panelmount type>
<Outside-the-panelmount type>
Outside theControlpanel
Inside theControlpanel
Outside theControlpanel
Inside theControlpanel
6
3. Installation
3-2 Mounting the filter and protective covers
1.Check that the power has been turned off beforemounting.
<Inside-the-panel mount type>
2.Mount the protective covers in the designatedpositions with four fixing screws for each.
3.Insert the filter from the upper side of the protec-tive cover for the air intake port.
CAUTION• Attach the protective cover of the ENH-105L to the mounting surface on the control panel.
1.Check that the power has been turned off beforemounting.
2.Mount the protective covers in the designatedpositions with four fixing screws for each.
<Outside-the-panel mount type>
3.Insert the filter from the upper side of the protec-tive cover for the air intake port.
Protective cover
Filter
Protective cover
7
Set the power supply breaker to ON to start operation.
1. Connect the power supply using proper cables. Tighten the screws securely.
2.Use a crimp terminal (with an insulating cap) to connect the power supply cable to the power supply ter-minal.
3.When the fan starts, check that the fan rotates in the proper direction and that there is no abnormalitysuch as vibration or noise.
CAUTION• Be sure to use the rated power supply.• Check the specifications and provide an appropriate breaker (commercial product) between
the heat exchanger and the power supply.• Be sure to ground the grounding terminal (FG).• Double-check the voltage and wiring before turning on the electricity.
4 Wiring
V U E
5 Operation
• Note that the internal circulation fan starts continuous operation immediately after thepower is turned ON.Be careful not to catch your fingers between the operating fan and the fan guard.
• Do not turn the equipment on and off frequently.
<Notes>• This equipment prevents an increase in the temperature inside the control panel without
replacing the inside air with outside air.• If you want to cool the air inside the control panel to a temperature lower than that of the
outside air, or if you want to dehumidify the inside air, use Apiste's FA cooler offeringforced-cooling ability.
Starting Operation
Grounding forinternal devices
Power supplyterminals
Powersupply
Insulating cap
Input
WARNING• Maintenance and services should be performed only by people with expert knowledge or
who have been designated for the operation.• Be sure to turn off the equipment before starting maintenance work.
6
8
Inspection and Maintenance
CAUTION• Do not run the machine while the filter is removed.
6-1 Fan Replacement
WARNING• To avoid any wiring failure or any injury caused by the rotating fan, make sure to turn off
the ENH heat exchanger before cleaning or replacing the fan.
• The service life of the fan is approximately 20,000 hours under continuous operation at50°C. Replace the fan with a new one at the appropriate time.
• Check the operation, vibration and noise of the fan regularly.• When replacing the fan, check the voltage shown on the fan and purchase the replace-
ment from Apiste or your nearest Apiste dealer.
6-2 Procedure for Replacing the Fans<Inside-the-panel mount type>(110L, 115L)
Detach the fan guard.The fan will come offautomatically with theguard.
Remove the ground cable and connector. Secure a new fan andreverse procedures (1)and (2) to complete thereplacement
(1) (2) (3)
9
6. Inspection and Maintenance
(115S)
(1) Detach the front panel. (2) Remove the ground cable. (3) Remove the connector.
(4) Loosen the screw that issecuring the fan.
(5) Secure a new fan in placeand reverse procedures (1)through (4) to complete thereplacement.
CAUTION• When replacing the fan of the 130L or 165L, remove the housing of the main unit before
replacing the fan. The fan is secured directly onto the main unit housing. (However, notethat the replacement fan is a lead-wire type, which requires additional work to join the con-nectors.)
• Because of the structural restrictions, the fan cannot be replaced with the 105L.
<Outside-the-panel mount type>(115S-O)
(1) Detach the front panel. (2) Remove the ground cable and connector.
(3) Loosen the screw that issecuring the fan.
(4) Secure a new fan in place and reverse procedures(1) through (3) to complete the replacement.
(3) (4)
10
6. Inspection and Maintenance
CAUTION• When replacing the fan of the 130L-O or 165L-O, remove the housing of the main unit
before replacing the fan. The fan is secured directly onto the main unit housing. (However,note that the replacement fan is a lead-wire type, which requires additional work to join theconnectors.)
6-3 Filter Replacement
CAUTION• When the temperature of the outside air rises or the filter clogs badly, the cooling or heat-
resistant capabilities may deteriorate.• Replace the filter periodically (Replacement filters are optionally available.).
1. Pull out the old filter from the upper side of theprotective cover.
2. Insert a new filter from the upper side of thecover.
6-4 Outside air fins cleaning procedureClean the fins which are exposed to the outside air also with an air blower or a vacuum cleaner. Becausethe heat exchanger unit is made of copper, aluminum, and iron, make sure not to clean the unit with acidicchemicals. For cleanup, wipe the unit with a cloth moistened with the diluted water solution of a neutraldetergent.
7
11
ENH-105L
INO
UT
INO
UT
E U V
105
70
126
4 -
ø5
277
154.
5
289 26
510
6
80
(unit : mm)<Inside-the-panel mount type>
ENH-110L
Outer Dimensions(Common to the standard voltage model and irregular voltage model)
U V
E
153
120
70
4 - ø5
66
332
320
156
344
216
IN
OUT OUT
IN
14
Inside thecontrol panel
Outside thecontrol panel
Inside thecontrol panel
Outside thecontrol panel
70
E U
V
174
130 66
414
400
426
IN
IN
OUT
OUT
4 - ø6.5
177
12
7. Outer Dimensions
ENH-115L
ENH-115S
Inside the control panelOutside the controlpanel
177
U
V
E
650
680
4514
IN
IN
OUT
OUT
174
7.5 6.5
45
7.5
665
130
680
4 - R3.25
Inside thecontrol panel
Outside thecontrol panel
13
7. Outer Dimensions
ENH-130L
170
195
710
12.5 12.5
100
18.5
14
710
355
IN
OUT
670
170
198
695
4 - ø6.5
100
ENH-165L
E U V
6 - ø6.5
7.5
7.5
640
90
655
385
150 150
OUT
IN
335
15
625
IN
OUT
38814
Oil-drain hole ø8
Rating plate
Inside thecontrol panel
Outside thecontrol panel
Inside thecontrol panel
Outside thecontrol panel
14
7. Outer Dimensions
ENH-115L-O
177
14
225
403
426
414
66
IN
IN
OUT
OUT
70
4 - ø6 174
130
70
(unit : mm)<Outside-the-panel mount type>
ENH-115S-O
UV
E
177 14 45
680
653
680
665
7.5
7.56.5
IN
IN
OUT
OUT
4 - R3.25
130
174
45
Inside thecontrol panel
Outside thecontrol panel
Inside thecontrol panel
Outside thecontrol panel
388 9014
640
7.5
7.5
655
628
335
IN
OUT
IN
OUT
150150
6 - ø6.5
385
90
Inside thecontrol panel
Outside thecontrol panel
15
7. Outer Dimensions
ENH-130L-O
198
17014
355
673
695
710
670
IN
OUT
IN
* 2 - ø4
OUT
100
4 - ø6.5
195
170
185
12.5 12.5
25
100
ENH-165L-O
* This hole is perforated only on the 100-Vspecified model.
Inside the control panelOutside the control panel
Oil-drain hole ø8
Rating plate
16
ENH-105L ENH-110L
8 Diagram of Installation Work (Panel cutout/Common to the standard voltage model and irregular voltage model)
97.5
277
20.5
126.
5
115
93
80
4 -
ø3.
54
- ø
5
6
(unit : mm)<Inside-the-panel mount type>
ENH-115L ENH-115S
120
332
6
170
4 - ø5
141
7
130
414
208
158
4 - ø6.5
130
8.5
665
4 - ø6.5
340
158
(Dimension of the opening)
(Dim
ensi
on o
f the
ope
ning
)
Cov
er fi
M3-
scre
w (
requ
ired)
17
8. Diagram of Installation Work
ENH-130L ENH-165L
4 - ø6.5170
17569
5
12.5
352
ENH-115L-O ENH-115S-O
<Outside-the-panel mount type> (unit : mm)
7
414
4 - ø6130
208
158
8.5
665
4 - ø6.5130
340
158
6 - ø6.5
300
150 150
8.5
640
328
365
(Dimension of theopening)
(Dim
ensi
on o
f the
ope
ning
)
(Dim
ensi
on o
f the
ope
ning
)
(Dimension of the opening)
(Dimension of the opening)
(Dim
ensi
on o
f the
ope
ning
)
(Dimension of theopening)
(Dim
ensi
on o
f the
ope
ning
)
18
8. Diagram of Installation Work
9 Specifications
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)zH06/05(
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)zH06/05(
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)zH06/05(
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)zH06/05(
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ENH-130L-O ENH-165L-O
695
12.5
310
4 - ø6.5
* 2 - ø4
170
175
185
352
* Required only for the 100-V model; however, theunit can be mounted without creating the opening.
<Inside-the-panel mount type> (Standard voltage model)
*1 The rated capacity represents the amount of heat exchange when the difference in the temperatures between the inside and outsideof the control panel is 20 K.
640
8.5
6 - ø6.5
300
365
328
(Dimension of theopening)
(Dim
ensi
on o
f the
ope
ning
) (Dimension of the opening)
(Dim
ensi
on o
f the
ope
ning
)
19
9. Specifications
epyT 511-L011-HNE 021-L011-HNE 022-L011-HNE 032-L011-HNE 511-L511-HNE 021-L511-HNE 022-L511-HNE 032-L511-HNE 511-S511-HNE 021-S511-HNE
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)zH06/05(
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)zH06/05(
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)zH06/05(
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)zH06/05(
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)zH06/05(
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)zH06/05(
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)zH06/05(
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<Inside-the-panel mount type> (Irregular voltage model)
*1 The rated capacity represents the amount of heat exchange when the difference in the temperatures between the inside and out-side of the control panel is 20 K.
epyT 022-S511-HNE 032-S511-HNE 511-L031-HNE 021-L031-HNE 022-L031-HNE 032-L031-HNE 511-L561-HNE 021-L561-HNE 022-L561-HNE 032-L561-HNE
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)zH06/05(
,esahp-elgniSCAV021 ± %01
)zH06/05(
,esahp-elgniSCAV022 ± %01
)zH06/05(
,esahp-elgniSCAV032 ± %01
)zH06/05(
,esahp-elgniSCAV511 ± %01
)zH06/05(
,esahp-elgniSCAV021 ± %01
)zH06/05(
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)zH06/05(
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)zH06/05(
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<Outside-the-panel mount type>
*1 The rated capacity represents the amount of heat exchange when the difference in the temperatures between the inside and out-side of the control panel is 20 K.
WARNING• The ENH heat exchanger is designed to suppress the rise in the temperature of the air inside the
control chamber without exchanging the inside air with the outside air.• The super-thermal conductive pipe may explode when it is heated to 200°C or higher. Do not throw
the pipe in a fire.• Make sure to cut away a part of the super-thermal conductive pipe before disposal.• If you want to cool the inside air to a temperature lower than the outside air, or if you want dehumidi-
fication, we offer FA coolers which have a forced-air cooling capability. Contact Apiste for details.
10 Repair/Warranty
1. Repair1) Repair and inspection services of the ENH Unit at the user’s site will be performed at the expense
of the user. If it is found that the defective equipment cannot be repaired at the user’s site, Apistewill lend a substitutive product for a required period free of charge. For further information, contactApiste sales representatives.
2) If maintenance or other service is required in an overseas country, contact directly the OverseasService Department in Apiste Osaka Head Office. We will contact the authorized local distributor orour overseas service representatives to immediately comply with your request. Apiste does not dispatch an engineer to an overseas country.
3) Some substitutive devices and maintenance parts are made to order. Be sure to inquire us of theirstock condition.
2. Warranty periodThe warranty period of this equipment is one year from the date of its delivery to the specified place.
3. Scope of warrantyIf any failure occurs with this equipment that falls within the scope of warranty, Apiste will repair suchfailure free of charge. If the construction of the equipment does not allow such repair, Apiste willreplace the defective part with a new one.However, any failure resulted from the following causes is excluded from the scope of Apiste’s warran-ty.
1) Failure resulted from operation under an abnormal condition or environment or by improper methodor handling that is not specified in the instruction manual, the specification sheet exchanged addi-tionally, etc.
2) Failure not liable for this equipment, such as failure resulted from user’s equipment, user’s softwaredesign, etc.
3) Failure resulted from modification or repair performed by a firm other than Apiste.4) Failure that could be prevented if the consumable parts (filter, fan motor, etc.) had been properly
replaced according to the instruction manual. 5) Failure resulted from a cause that could not be foreseen by up-to-date science and technology at the
time of shipment of this product from Apiste.6) Failure resulted from such disaster as a fire, earthquake, and flood, or from abnormal voltage and
other external causes that can be excluded from the scope of Apiste’s responsibility.
4. Immunity from obligationApiste’s warranty is limited to the delivered product only. Apiste cannot be responsible for any lossthat may be derived from the failure of this equipment.
5. Scope of serviceThe price of this equipment does not include the cost of dispatching Apiste qualified engineers.
The warranty described above should apply to transactions and use of this equipment inJapan only.
APISTE CORPORATIONAqua-Dojima, 1-4-16, Dojimahama, Kita-ku, Osaka 530-0004 JapanTel: 81-6-6343-0515 Fax: 81-6-6343-0729
MH011E-0610-000-02(K)