Electric
blower heater
Owner's manual
2 page
Owner’s Manual
Items to check before use
Name of parts (WFHE-10/15/30)
Caution for installation
Troubleshooting
Control Guide
Hotsen Electric blower heater Diagram
Product specification
Components(WFHE-10)
Components(WFHE-15)
Components(WFHE-30)
03
07
08
09
10
11
13
14
16
18
Table of contents
1
page 3
Owner’s Manual
· Never operate a heater when you suspect damase. Before use,
inspect the heater, cord, and plug for damage. Follow all operation
and maintenance instructions.
· Never leave the heater operating unattended.
· Be sure the heater plug fits tightly into the wall outlet. If not, do not
use the outlet to power the heater.
· During use, check frequently to determine if the heater plug or cord,
wall outlet, or faceplate is HOT! If the plug, outlet, or faceplate is hot,
discontinue use of the heater, and have a qualified electrician check
and / or replace the plug or faulty wall outlet(s). If the cord is hot,
disconnect the heater, and have it inspected/repaired by an
authorized repair person.
· Never run the heater's cord under rugs or carpeting.
This can damage the cord, causing it and nearby objects to burn.
Items to check before use
2
Safety Cautions
Safety tips
These are important for the user's safety and prevention of property damage and/or loss.
Pleasae read carefully to ensure the safe and efficient operation of this product.
4 page
Owner’s Manual
Items to check before use
2
Please use proper
electricity referring
label on the heater.
Safety Cautions
These are important for the user's safety and prevention of property damage and/or loss.
Pleasae read carefully to ensure the safe and efficient operation of this product.
·Please use proper electricity referring
to label on the heater.
(There is a risk of product damage and fire)
·Do not keep or use Inflammables and
Combustible spray near product.
(There is a risk of product damage and fire)
·Do not bend the wire excessively and put
heavy objects on this heater.
(There is a risk of product damage and fire)
·Do not install the product near flammable
materials such as curtains, blankets,
clothes, etc
(Overheating of the product may cause a fire)
·Do not spray water directly on the product
or wipe it with benzene, thinner or alcohol.
(There is a risk of electric shock, fire or damage
to the product)
·Use the cable that meets the specification
(Refer to wiring diagram page)
gaso
-
line
gas
-
oline
page 5
Owner’s Manual
Items to check before use
2
·Do not block heater outlet
·Be careful of foreign objects getting into air
inlet and outlet
(It may cause malfunction)
· Avoid high temperature and high humidity
when storing for long term and store in
a dry place
(It may cause rust or malgunction)
·Do not touch this heater right after the use
(There is a risk of burns as the surface of this
heater is remained hot)
·Use a proper breaker in line with
electric capacity
(There is a risk of electric shock or fire)
·Do not touch the heat generating part
when in use.
(There is a risk of burns)
Cautions
These are important for the user's safety and prevention of property damage and/or loss.
Pleasae read carefully to ensure the safe and efficient operation of this product.
6 page
Owner’s Manual
Items to check before use
2
·Never move this heater when it is under
operation
(If the product falls down, it may cause fire)
·Do not look at heat exhaust
(The product can be operated at any time
because of temeprature sensor)
· Open the window once or twice every
hour for ventilation.
(It may cause lack of oxygan if the product
is operated for a long time without ventilation)
·Do not disassemble, repair or modify this
heater when in use.
(It causes a high risk of accident, fire or
electric shock.)
·Do not expose this heater to direct sunlight,
rain, strong wind.
(There is a danger of electric shock or fire)
· If there is noise, smell or smoke coming
from the heater, immediately unplug the
power cord and contact the service
center.
(There is a danger of electric shock or fire)
Cautions
These are important for the user's safety and prevention of property damage and/or loss.
Pleasae read carefully to ensure the safe and efficient operation of this product.
page 7
Owner’s Manual
Name of parts (WFHE-10/15/30)
3
Front
Back
Heat exhaust
Metal handle
Electric maintenance
Caster
Controller
8 page
Owner’s Manual
Caution for installation
4
Do not use in an explosive environment or where there is a possibility of
leakage of flammable gas.
Caution
Caution
Caution
Caution
Caution
[Right place for installation]
[Keep safe clearance]
[Automatic overheat prevention sensor]
[Easy Maintenance]
Use in a shaded area
Do not put any foreign substances around Heat exhaust
When the product is used outdoor area, protect it from rain or snow and
lock the castors before use.
It is critical to keep safe clearance around the heater and not block the flow of air.
· We recommend at least 90cm(3 feet) in front of heater,
and 30cm(1 feet) to the sides and above.
· Keep all furniture, papers, and other flammable objects away from the heater.
· Make sure there is constant air flow around the heater.
Unit is built with internally built sensor that automatically shuts off the heater when
it reaches abnormal temperature.
1. Disconnect the power to the heater.
2. Blow debris down through the top element using a blow-dryer or vacuum
on blow cycle.
3. Vacuum the dirt and dust in the heater and turn the power back on.
Store the product with cover. Use the heater only after completely cleaning
dust or dirt on the bottom.
page 9
Owner’s Manual
5
Troubleshooting
Problem Solution
When Power Switch
lamp is not working
- Check the main power connection (→ check main terminal)
- check if the heater is tilted
- temperature sensor detects heater overheating during operation
(→ check whether fan is working)
- if fan is not working, check for shorted wire
when heater switch
lamp is not working
- check for shorted wires(→ restart after inspection)
When heater is
not working
- check for shorted wires(→ restart after inspection)
- OCR(over current relay) is on due to overload
(→ restart after pressing reset button)
●
After identifying and fixing the problem, always turn the power off and on
again to re-operate
10 page
Owner’s Manual
Control Guide
6
POWER ON
Temperature Control
HEAT ON
ON/OFF switch for main power At OFF,
both fan and heater will be turned off.
If protective sensors(overheat sensor,
tilt motion sensor) detects hazards,
Heater will get shut off automatically.
After identifying and solving the problem,
re-start the heater
The heater will turn off when the temperature reaches set temperature.
ON/OFF switch for the heater.
Shut-off Instruction
: You must follow these instructions to turn off the machine to PREVENT
FIRE HAZARDS
1. Turn off green switch(Heater)
2. Wait for 3-4 minutes for unit to cool down
3. Turn off red switch (Power and fan)
CAUTION
page 11
Owner’s Manual
Hotsen Electric blower heater Diagram
7
WFHE-10 (240V)
136
116
바이어명
Model WIRING DIAGRAM
PART NO.
웰템
라벨 사이즈 136x116
적용모델
작 성 검 토 확 인
수정사항
1
2
3
4
5
6
7
8
2017.10.17 신규 1
2
3
4
5
1. 재질 : 은무데드롱 25미크론
2. 인쇄방법: 씨링인쇄
3. 인쇄색상: 흑색 1도
4. 표면처리: 라미네이팅(OPP코팅)
5. 인쇄기준 : 도면 및 설계 제공 필름
6 외곽의 치수선(붉은선)은 인쇄후 절단선임.
WFHE-10K 240V 60Hz ON OFF
Axial Fan
POWER
(FAN)
HEATER
TILT SWICH
30℃
Terminal Block
WFHE-15 ( 3Phase 3Wire 208V)
11
1
1
C21
TILT SWICH
Axial Fan
208V 50/60HZ
R
S
T
E
3P+E
FAN
HEATER
OCR
MC
Rainbow Switch
Overheat
Sensor(Manual)
Overheat
Sensor(Automated)
G
R
136
116
WFHE-15K 3P 208V ON OFF
4P Terminal Block
12 page
Owner’s Manual
Hotsen Electric blower heater Diagram
7
WFHE-30 (3Phase 4Wire 380V)
WFHE-30 (3Phase 3Wire 480V)
136
116
바이어명
Model WIRING DIAGRAM
PART NO.
웰템
라벨 사이즈 136x116
적용모델
작 성 검 토 확 인
수정사항
1
2
3
4
5
6
7
8
2017.09.26 신규 1
2
3
4
5
1. 재질 : 은무데드롱 25미크론
2. 인쇄방법: 씨링인쇄
3. 인쇄색상: 흑색 1도
4. 표면처리: 라미네이팅(OPP코팅)
5. 인쇄기준 : 도면 및 설계 제공 필름
6 외곽의 치수선(붉은선)은 인쇄후 절단선임.
WFHE-30K 380V ON OFF
Axial Fan
380V / 50Hz
3P+N+E
4P Terminal Block
POWER
(FAN)
HEATER
TILT SWICH
30℃
136
116
바이어명
Model WIRING DIAGRAM
PART NO.
웰템
라벨 사이즈 136x116
적용모델
작 성 검 토 확 인
수정사항
1
2
3
4
5
6
7
8
2017.09.26 신규 1
2
3
4
5
1. 재질 : 은무데드롱 25미크론
2. 인쇄방법: 씨링인쇄
3. 인쇄색상: 흑색 1도
4. 표면처리: 라미네이팅(OPP코팅)
5. 인쇄기준 : 도면 및 설계 제공 필름
6 외곽의 치수선(붉은선)은 인쇄후 절단선임.
WFHE-30K 480V ON OFF
Axial Fan
480V / 60Hz
3P+N+E
4P Terminal Block
POWER
(FAN)
HEATER
TILT SWICH
30℃
480V → 220V
(200VA)
Downtrans
page 13
Owner’s Manual
8
Product specification
Model WFHE-10 WFHE-15
Power Suply 1phase 2wire 240V 3phase 4wire 208V
Hertz 60Hz 60Hz
Heating Value 33,700BTU 51,000BTU
Motor Air Flow CMH 1,370 / CFM 806 CMH 1,875 / CFM 1103
Power
Consumption
10,285W 15,130W
Current
Consumtion
42.85A 42A
Size(WDH)mm 392.5 x 571 x 564 422.5 x 621 x 584
Weight 26.9 kg 39 kg
Model WFHE-30
Power Suply 3phase 4wire 380V 3phase 3wire 480V
Hertz 60Hz 60Hz
Heating Value 101,350 BTU
Motor Air Flow CMH 2,450 / CFM 1,441
Power Consumption 29,829W / 29,865W
Current Consumtion 45.37A 35.92A
Size(WDH)mm 472.5 x 671 x 624
Weight 49.4 kg 51.3 kg
14 page
Owner’s Manual
9
Components (WFHE-10)
SIZEDAT E
THIRD ANGLE
PROJECTION
CHECKED SCALEAPPROVEDDESIGNED
DWG.
NAME
MODEL
DWG NO.
이 도면은 Weltem의 자산으로 불법 유출시
관계법과 회사규정에 의해 처벌됨
Privileged & Confidential By Weltem.
WFHE - 10K
WFHE - 10K
1
2
3
4
5
6
10
8
7
11
13
12
24
25
26
27
28
16
29
30
23
9
10
Front Air Guide
1
Front Cover
2
Air Guard
3
Air Guard BKT
4
Fan Air Guide
5
Caster
6
Bottom Base
7
LF Cover
8
RH Cover
9
Handle
10
Fan Air Guide BKT
11
Barrier
12
Heater
13
Top Cover
14
Fan
15
Terminal Block BKT
16
Terminal Block
17
Back Cover
18
Back Cover BKT
19
20
Main On / Off Toggle Switch
21
Heater On / Off Toggle Switch
22
PART NAME
PART NO.
17. 08. 07
N/S
주성국
14
15
19
18
17
16
20
21
22
23
24
25
26
27
28
29
30
Magnetic Contactor
Fan Air Guide Top
Fan Air Heater BKT
Fan On / Off Thermostat Sensor
Overheat Sensor
Tlit Sensor BKT
Tilt Sensor
O.C.R
Transformer (480v Only)
(주)웰 템 WELTEM CO.,LTD
page 15
Owner’s Manual
9
Components (WFHE-10)
1
FRONT AIR GUIDE WFHE-10K-0001
17
OVERHEAT SENSOR WFHE-102030-09
2
FRONT COVER WFHE-10K-0002
18
TLIT SENSOR BTK WFHE-10K-0015
3
AIR GUIDE WFHE-10K-0008
19
TLIT SENSOR WHE-050K/100K-04
4
AIR GUIDE BKT WFHE-10K-0009
20
OCR
WFHE-10K-06(B)
5
FAN AIR GUIDE WFHE-10K-0010
WFHE-10K-07(B)
6
CASTER
WFHE-102030-05(A)
21
MAGNETIC
CONTACTOR
WFHE-10K-06(A)
WFHE-102030-05(B)
WFHE-10K-07(A)
7
BOTTOM BASE WFHE-10K-0011
22
TRANSFORMER
(480V only)
WFHE-
102030-02(WT/200VA)
8
LF COVER WFHE-10K-0003
23
TOP COVER WFHE-10K-0005
9
RH COVER WFHE-10K-0004
24
FAN WFHE010-05
10
HANDLE WFHE102030-00
25
TERMINAL BLOCK
BKT
WFHE-10K-0016
11
FAN AIR GUIDE
BTK
WFHE-10K-0011
26
TERMINAL BLOCK WFHE-10K-09(A)
12
BARRIER WFHE-10K-0012
27
BACK COVER WFHE-10K-0006
13
HEATER
WFHE-10K-02
(240V) A
Type
28
BACK COVER BKT WFHE-10K-0007
14
FAN AIR GUIDE
TOP
WFHE-10K-0013
29
MAIN ON/OFF
TOGGLE SWITCH
WFHE-102030-10
15
FAN AIR HEATER
BKT
WFHE-10K-0014
30
HEATER ON/OFF
TOGGLE SWITCH
WFHE-102030-11
16
FAN ON/OFF
THERMOSTAT SENSOR
WFHE-102030-08
16 page
Owner’s Manual
8
Components (WFHE-15)
SIZEDAT E
THIRD ANGLE
PROJECTION
CHECKED SCALEAPPROVEDDESIGNED
DWG.
NAME
MODEL
DWG NO.
이 도면은 Weltem의 자산으로 불법 유출시
관계법과 회사규정에 의해 처벌됨
Privileged & Confidential By Weltem.
WFHE - 20K
WFHE - 20K
1
Front Air Guide
1
Front Cover
2
Air Guard
3
Air Guard BKT
4
Fan Air Guide
5
Caster
6
Bottom Base
7
LF Cover
8
RH Cover
9
Handle
10
Fan Air Guide BKT
11
Barrier
12
Heater
13
Top Cover
14
Fan
15
Terminal Block BKT
16
Terminal Block
17
Back Cover
18
Back Cover BKT
19
20
Main On / Off Toggle Switch
21
22
PART NAME
PART NO.
17. 08. 08
N/S
주성국
2
3
4
5
6
7
8
10
11
13
12
25
26
27
28
29
15
30
31
10
9
24
23
24
25
26
27
28
29
30
14
15
16
19
20
21
22
17
18
23
Heater On / Off Toggle Switch
31
Fan Air Guide Top
Fan On / Off Thermostat Sensor
Overheat Sensor
Tilt Sensor
Tlit Sensor BKT
Fan Air Heater BKT
O.C.R
Magnetic Contactor
Transformer BKT (480v Only)
Transformer (480v Only)
(주)웰 템 WELTEM CO.,LTD
page 17
Owner’s Manual
8
Components (WFHE-15)
1
FRONT AIR GUIDE WFHE-10K-0001
15
FAN ON/OFF
THERMOSTAT
SENSOR
WFHE-102030-08
2
FRONT COVER WFHE-10K-0002
16
OVERHEAT
SENSOR
WFHE-102030-09
3
AIR GUIDE WFHE-10K-0008
17
TLIT SENSOR
WHE-050K/100K-04
(16년형)
4
AIR GUIDE BKT WFHE-10K-0009
18
TLIT SENSOR BTK WFHE-10K-0015
5
FAN AIR GUIDE WFHE-10K-0010
19
FAN AIR
HEATER BKT
6
CASTER
WFHE-102030-05(A)
20
OCR WFHE-20K-06(B)
WFHE-102030-05(B)
21
MAGNETIC
CONTACTOR
WFHE-20K-06(A)
7
BOTTOM BASE WFHE-10K-0011
22
TRANSFORMER
BKT (480V only)
8
LF COVER WFHE-10K-0003
23
TRANSFORMER
(480V only)
WFHE-102030-02
(WT/200VA)
9
RH COVER WFHE-10K-0004
24
TOP COVER WFHE-10K-0005
10
HANDLE WFHE102030-00
25
FAN WFHE020-05
11
FAN AIR GUIDE BTK WFHE-10K-0011
26
TERMINAL BLOCK
BKT
WFHE-10K-0016
12
BARRIER WFHE-10K-0012
27
TERMINAL BLOCK
WFHE-20K-09
13
HEATER
WFHE-20K-02(240V)
A Type
WFHE-20K-09(B)
WFHE-20K-02(240V)
B Type
28
BACK COVER WFHE-10K-0006
WFHE-20K-02(480V)
A Type
29
BACK COVER BKT WFHE-10K-0007
WFHE-20K-02(480V)
B Type
30
MAIN ON/OFF
TOGGLE SWITCH
WFHE-102030-10
14
FAN AIR GUIDE TOP WFHE-10K-0013
31
HEATER ON/OFF
TOGGLE SWITCH
WFHE-102030-11
18 page
Owner’s Manual
8
Components (WFHE-30)
SIZEDAT E
THIRD ANGLE
PROJECTION
CHECKED SCALEAPPROVEDDESIGNED
DWG.
NAME
MODEL
DWG NO.
이 도면은 Weltem의 자산으로 불법 유출시
관계법과 회사규정에 의해 처벌됨
Privileged & Confidential By Weltem.
WFHE - 30K
WFHE - 30K
1
Front Air Guide
1
Front Cover
2
Air Guard
3
Air Guard BKT
4
Fan Air Guide
5
Caster
6
Bottom Base
7
LF Cover
8
RH Cover
9
Handle
10
Fan Air Guide BKT
11
Barrier
12
Heater
13
Top Cover
14
Fan
15
Terminal Block BKT
16
Terminal Block
17
Back Cover
18
Back Cover BKT
19
20
Main On / Off Toggle Switch
21
Heater On / Off Toggle Switch
22
PART NAME
PART NO.
17. 08. 08
N/S
주성국
2
3
4
5
6
7
8
10
11
13
12
23
24
25
26
27
15
28
29
10
9
22
15
16
14
21
20
19
18
17
23
24
25
26
27
28
29
Fan Air Guide Top
Fan On / Off Thermostat Sensor
Overheat Sensor
O.C.R
Magnetic Contactor
Tilt Sensor
Tlit Sensor BKT
Transformer (480v Only)
(주)웰 템 WELTEM CO.,LTD
page 19
Owner’s Manual
8
Components (WFHE-30)
1
FRONT AIR GUIDE WFHE-10K-0001
16
OVERHEAT SENSOR WFHE-102030-09
2
FRONT COVER WFHE-10K-0002
17
OCR
WFHE-30K-06(B)
3
AIR GUIDE WFHE-10K-0008 WFHE-30K-07(B)
4
AIR GUIDE BKT WFHE-10K-0009
18
MAGNETIC CONTAC-
TOR
WFHE-30K-06(A)
5
FAN AIR GUIDE WFHE-10K-0010 WFHE-30K-07(A)
6
CASTER
WFHE-102030-05(A)
19
TLIT SENSOR WHE-050K/100K-04
WFHE-102030-05(B)
20
TLIT SENSOR BTK WFHE-10K-0015
7
BOTTOM BASE WFHE-10K-0011
21
TRANSFORMER
(480V only)
WFHE-102030-02
(WT/200VA)
8
LF COVER WFHE-10K-0003
22
TOP COVER WFHE-10K-0005
9
RH COVER WFHE-10K-0004
23
FAN WFHE030-05
10
HANDLE WFHE102030-00
24
TERMINAL BLOCK
BKT
WFHE-10K-0016
11
FAN AIR GUIDE BTK WFHE-10K-0011
25
TERMINAL BLOCK WFHE-30K-09(B)
12
BARRIER WFHE-10K-0012
26
BACK COVER WFHE-10K-0006
13
HEATER
WFHE-30K-02(480V)
A Type
27
BACK COVER BKT WFHE-10K-0007
WFHE-30K-02(480V)
C Type
28
MAIN ON/OFF
TOGGLE SWITCH
WFHE-102030-10
14
FAN AIR GUIDE TOP WFHE-10K-0013
29
HEATER ON/OFF
TOGGLE SWITCH
WFHE-102030-11
15
FAN ON/OFF
THERMOSTAT SENSOR
WFHE-102030-08
20 page
Owner’s Manual
page 21
Owner’s Manual
22 page
Owner’s Manual
OBTAINING SERVICE
If the Weltem Electric Blow Heater by AmeriCool requires Service:
1. Use the TROUBLESHOOTING secon in this manual to eliminate obvious causes.
2. Verify there are no circuit breakers tripped.
3. Call your dealer for assistance. If you cannot reach your dealer, or if they cannot resolve the
problem, call
Weltem Electric Blow Heater by AmeriCool Technical Support at 888-726-
6158 Please have the following informaon available BEFORE calling the Technical Support De
-
partment:
a. Your name and address.
b. The serial number of the unit.
c. Where and when the unit was purchased.
d. All of the model informaon about your
Weltem Electric Blow Heater by AmeriCool.
e. Any informaon on the failure, including LED’s that may or may not be illuminated.
f. A descripon of the protected equipment, including model numbers if possible.
SHIPPING LIST
• (1) Electric Blow Heater
• (1) Owner’s Manual
page 23
Owner’s Manual
LIMITED WARRANTY
AmeriCool warrants all AmeriCool products to be free from defects in materials or work-
manship, under normal use and service, for a period of 12 months from the date of pur-
chase to the end user (original invoice must be provided). AmeriCool further warrants that
the compressor will be free from defects in materials and workmanship for 12 months from
the date of purchase to the end user.
AmeriCool’s obligaon under this warranty is limited to the repair or replacement at its op
-
on, of any part or parts, which, upon Ameriool’s examinaon are shown to be defecve,
or at AmeriCool’s opon, the return of the purchase price to the purchaser.
Correcon of such defects by repair or replacement, or at AmeriCool’s opon, the return
of the purchase price shall constute fulllment of warranty obligaons to the purchaser.
This warranty does not cover defects or malfuncons which result from causes beyond
AmeriCool’s control, including, without limitaon,(i) unusal physical or electrical stress:(ii)
accident, neglect, abuse, misuse or other abnormal use; (iii) failure to perform roune
maintenance in accordance with AmeriCool’s recommended procedures; (iv)normal wear
and tear; (v) repairs or aempted repairs by an unauthorized person; (vi) modicaons
or alteraons to the Products; (vii) use with parts or devices not supplied or approved by
AmeriCool (viii) improper installaon or service; (ix) shipping damage to any units or spare
parts during shipping. This includes and is not limited to compressors, evaporators and
condenser coils. This warranty shall extend only to the original end-user and shall be void
if any labels or other idenfying marks permanently axed to Products when shipped by
AmeriCool are removed, altered, defaced or obliterated.
TO THE EXTENT PERMITTED BY LAW, THIS WARRANTY, AS LIMITED HEREIN, SHALL BE IN
LIEU OF AND EXCLUSIVE OF ALL OTHER WARRANTIES, EITHER EXPRESSED OR IMPLIED,
ON THE PART OF AMERICOOL INC., OR WELTEM CO.,LTD. WHETHER ARISING FROM LAW,
COURSE OF DEALING, USAGE OF TRADE, OR OTHERWISE, INCLUDING WITHOUT LIMITA
-
TION ANY IMPLIED WARRANTY OF MERCHANT-ABILITY OR FITNESS OF A PARTICULAR PURP
OSE OR ANY LIABILITY FOR COMMERCIAL LOSSES BASED UPON NEGLIGENCE OR MANU
-
FACTURER’S STRICT LIABILITY. EXCEPT AS EXPRESSLY PROVIDED HEREIN,NEITHER AMERI-
COOL, INC., NOR WELTEM CO., LTD. WILL, IN ANY EVENT, BE LIABLE FOR LOST PROFITS,
COSTS OF PROCESSING,INJURY, GOODWILL, OR ANY OTHER CONSEQUENTIAL DAMAGES
OF ANY KIND ARISING FROM BREACH OF THIS WARRANTY.
Manufactured in Weltem Co., Ltd.,
154, Jayumuyeok 3-gil, Masanhoewon-gu, Changwon-City, Gyeongsangnam-do,
Republic of KOREA 51340 www.weltem.com
Distributed by Americool,Inc. In the USA (Tel.888-726-6158)
WWW.AMERICOOLLLC.COM
Printed in November, 2021
