KING SL Series User manual

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Rev. 2.27.18
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Time Period Mode
Item #101419 9-15-21
4
READ ALL WIRE SIZING, VOLTAGE REQUIREMENTS AND SAFETY
DATA TO AVOID PROPERTY DAMAGE AND PERSONAL INJURY
File #E41422
U.S. PATENT#6,748,163 B2 • CIPO PATENT #2,393,882
INSTALLATION INSTRUCTIONS
WARNING
MAINTENANCE & WARRANTY
SL SERIES
Wall Heaters
Models: 1215 (120V) 2422 (240V) 2022 (208V)
SMART LIMIT PROTECTION®
SAVE THESE INSTRUCTIONS
KING ELECTRICAL MFG. COMPANY · 9131-10TH AVENUE SOUTH · SEATTLE, WA 98108 · PH: 206.762.0400 · FAX: [phone] · www.king-electric.com
DANGER
ELECTRIC SHOCK OR FIRE HAZARD
INSTALLATION INSTRUCTIONS
KINGElectrical Mfg. Company 9131 10th Ave So. Seattle, WA98108 Ph: 206-762-0400 Fax: [phone]
MustSpecify 120 or 240 Volt At Time Of Order
SAVE THESE INSTRUCTIONS
SL2022 208Volt, 500-750-1000-1250-1500-1750-2250Watts
SL2422 240Volt, 500-750-1000-1250-1500-1750-2250Watts
SL1215 120Volt, 250-500-750-1000-1250-1500Watts
Itisextremely important that you verify that the electrical power supply is the same voltage as the heater you are installing. 240
and120 Volt heaters are not interchangeable. Powering a 240 Voltunit with 120 Volt supply wires will reduce the heater output
byapproximately 75%. Powering a 120 Volt unit with 240 Voltsupply wires will destroy the heater and void warranties.
CAUTION:Turn off power source supplying the heater beforeattempting installation, maintenance, or repairs. Lock or tag circuit
breaker or fuse panel door. Failure to do so could result in serious electrical shock, burns, or possible death.
Afterremoving the heater from the carton, check to make sure the heater has not been damaged in shipment.
Removethe grill by loosening and removing the two screws on the side of the front panel.
Removeone 7/8" knock-out and feed the supply wire into the wall box using an approved electrical ¿tting to prevent
cha¿ngof the supply wires.
Installthe wall can a minimum of 6" from vertical side walls. The Slim Line heater is approved to be mounted at Àoor
levelalthough we recommend mounting it 4" above the Àoor. This will help the heater run cleaner, thus require less
maintenance.
Securethe wall box to 2x4 studs (Use molly bolts if studs cannot be located) using the 4 holes provided in the back of
thesurface box.
Selectthe wattage and con¿gure the terminals per the wiring diagram. Connect the supply wires to the leads from the
heater.Attach the ¿eld grounding wire to the green screw or pig tail.
Replacethe front grill and secure with the two screws provided. The top ¿rst louver in the grill must be open into and
betweenwall can and top of heater for proper circulation of air.
Theinstallation is now complete and the heater is ready to be energized for use.
1.
2.
3.
4.
5.
6.
7.
8.
Thisheaterincludes a manual reset thermal protector with a
self-holdfeature.If the heater shuts off with the on position
andthe room temperature is below the highest thermostat
setting,immediately disconnect the power to the heater at
thecircuit breaker and inspect for any objects on or adja-
centtothe heater that may cause high temperatures. After
inspectingtheheater, keep the power offto the heater for 10
minutestoreset the thermal protector. If the heater thermal
protectorshuts the heater off again, imme-
diatelyturn the heater off at the circuit
breakand inspect the heater for
possiblefan motor failure or
dirtand lint on the heating
element.Repeat starting
procedure..
slim-lineinstall.indd: rev. 11/06
SLP
SMART
LIMIT
PROTECTION
®
U.S.PATENT#6,748,163B2•CIPO PATENT#2,393,882
DO NOT INSTALL
VERTICALLY
1
It is extremely important to verify the electrical power supply is the same voltage as the heater being installed. 240 and
120 Volt heaters are not interchangeable. Powering a 208/240/277 Volt unit with 120 Volt supply wires will reduce heater
output by approximately 75%. Powering a 120 Volt unit with 208/240/277 Volt supply wires will destroy the heater and voids
all guarantees and warranties.
CAUTION: Keep electrical cords, drapery, furnishings and other combustibles at least 3 feet (.9m) from front of the heater
and away from side and rear. Do not block the heater in any manner. Can be installed w/zero WRÀRRUand no closer than
6 inches to the open edge of a door and adjacent wall. Never paint the heater grill.
WARNINGS: Turn off the power source supplying the heater before attempting any installation, maintenance or repairs.
Lock or tag circuit breaker/fuse panel door. Failure to do so could result in serious electrical shock, burns or possible death.
The superior quality and design of this heater will provide years of trouble-free performance. Each year the heater should be checked and cleaned for lint and/or dust accumulation. King
recommends using a soft bristle brush and vacuum to knock off contaminates. The motor is permanently lubricated and requires no oiling.
6/6OLP/LQH:DOO+HDWHUVFDUU\D¿YH\HDUZDUUDQW\RQWKHHOHPHQWVDQGDWZR\HDUZDUUDQW\RQFRPSRQHQWVIURPGDWHRILQVWDOODWLRQ7KLVZDUUDQW\UHTXLUHVWKDWWKHRZQHURU
his agent install the equipment in accordance with the National Electrical Code, any other applicable heating or electrical codes, and the manufacturer’s installation instructions. It further
requires that reasonable and necessary maintenance be performed on the unit. Failure to properly maintain the unit will result in the warranty being voided. The company is not liable for
DEXVHRUPLVXVHRISURGXFWDVPD\EH¿QDOO\GHWHUPLQHGE\WKHFRPSDQ\7KHFXVWRPHUVKDOOEHUHVSRQVLEOHIRUDOOFRVWVLQFXUUHGLQWKHUHPRYDORUUHLQVWDOODWLRQRISURGXFWVLQFOXGLQJ
labor costs and shipping costs incurred to return products to King Manufacturing. King Manufacturing will repair or replace, at our option, at no charge to the customer with return freight
paid by King. King Manufacturing shall not be liable for consequential damages arising with respect to the product, whether based upon negligence, tort, strict liability or contract. No other
written or oral warranty applies, nor any warranties by representatives, dealers, employees of King, or any other person. All returns require a King Return Goods Authorization (RGA);
Unauthorized returns will be refused. Do not return malfunctioning/defective products to store.
Operating voltage cannot exceed 5% of rated voltage. Operating heater above listed voltage ratings voids all guarantees and warranties.
paw-sl.indd :
09/15/21
SL Slimline Series Only
zero clearance to floor
4
CLEANING & MAINTENANCE GUIDE FOR
PAW - SL SERIES HEATERS
Regular maintenance on an electric wall heater will prolong the life of
the product and keep it operating safely. Heaters should be cleaned and
inspected every 6 months. This guide will show in detail how to properly
clean and maintain your King electric wall heater. It will also show when
parts or perhaps the entire heater should be replaced. Listed below are
step by step instructions for cleaning and maintaining the PAW Series
Wall Heater.
WARNING: Take extreme caution when
working with electrical heaters. Turn off
the electrical power to the heater before
removing the grille of the heater. Lock,
tape or tag the circuit breaker so that the
power cannot be turned on accidentally
while working on the heater.
1. After the power is turned off, remove grille using a #2 square drive
or a #2 Phillips head screw driver. DO NOT remove heater interior
and wall can from wall! Clean grille before reinstalling.
KING ELECTRICAL MFG. CO. · 9131 - 10TH AVE SOUTH · SEATTLE, WA 98108
2. Use a soft bristled brush (1" to 2" wide) such as a paint brush to
remove any contaminants from the fan cage. Also spin the fan by hand
to make sure that it spins freely. If it feels like the motor is binding see
instructions below for oiling motor.
To clean heater, start by using a vacuum cleaner nozzle in the blow
out mode.
4. Vacuum out any material in the squirrel cage by placing the vacuum
nozzle close to the fan cage. Be careful not to bend the squirrel cage
because it could become out of balance if deformed.
The useful life on a PAW - SL Series Heater depends on the amount
of use, environment, and how often it is cleaned and maintained. Heat-
ers operated beyond their useful life are more prone to problems. For
example, when a motor slows down due to wear or lack of cleaning it
reduces the CFM and can cause the heater to overheat, tripping the
limit control. The limit will cycle the heater on and off. It is much safer to
¿[WKHF\FOLQJKHDWHUEHIRUHLWIDLOV+HDWHUVSURGXFHGDIWHUKDYH
a light which turns on when the limit trips. Heaters prior to that do not
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rence. One way to tell is by listening for the click that is made when the
limit trips. With regular inspection and maintenance, your heater will
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manual limit and do not have a light.
3. To clean the element, point the nozzle at the element as shown on
the diagram and blow the dust out. This will dislodge any contaminates
caught on the heating element. Compressed air blown onto the element
works well also. If you have another vacuum, you can blow out from the
bottom and suck the debris from the opening at the same time which
will minimize dirt and lint being blown into the room.
5. After removing contaminates lubricate the motor shaft and bearing
with a few drops of S.A.E. 20 synthetic oil at the locations shown. Do
not use WD-40. If the motor does not spin freely after oiling, it should
be replaced. Newer models have capped bearings and cannot be oiled.
Inspect the limit and look for signs of overheated wires and parts that
may need to be replaced.

32
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Time Period Mode
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! !
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-
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Rev. 2.27.18


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

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Time Period Mode
File #E41422
U.S. PATENT #6,748,163 B2 • CIPO PATENT #2,393,882
U.S. PATENT #6,748,163 B2 • CIPO PATENT #2,393,882
WATTAGE SELECTION
The heater is factory wired to 1500 Watts at
120 Volts. To reduce wattage unplug an insu-
.wolebgnidocrolocreplanimretnohsupdetal
Wrap with electrical tape to preventpossibility
of electrical contact with other parts.
AC
DCommon
750
END VIEW OF ELEMENT
B
500
A- 750 W B - 500 W C- 250 W
D- Common Leg of Power Supply
250
B
WIRE COLOR CODING
A Orange Disconnects the 1000 Watt element
B Blue Disconnects the 750 Watt element
C Yellow Disconnects the 500 Watt element
D Black DO NOT DISCONNECT (Common)
WATTAGE SELECTION
The heater is factory wired to 2250 Watts
gulpnuegattawecuderoT.stloV042/802ta
an insulated push on terminal per the color
coding below. Wrap with electrical tape to
prevent the possibility of electrical contact
with other parts.
PIC-A-WATT®
SLP LIMIT
Built-in Thermotat
(Optional)
Steel Sheath Element
2022 208V 2250W
2422 240V 2250W
GRAY
GRAY
L2
Push on Terminal
208V
240V
MOTOR
Field Connections
GREEN
Ground
D
BLUE
BLACK BLACK
ORANGE
YELLOW
L1 L2
1000 WATT
A
B
C
750 WATT
500 WATT
BLACK
AC
DCommon
1000
END VIEW OF ELEMENT
750 500
A- 1000 W B - 750 W C- 500 W
D- Common Leg of Power Supply
WIRE COLOR CODING
A Orange Disconnects the 750 Watt element
B Blue Disconnects the 500 Watt element
C Yellow Disconnects the 250 Watt element
D Black DO NOT DISCONNECT (Common)
PIC-A-WATT®
BLUE
Built-in Thermotat
(Optional)
Steel Sheath Element 1215 120V 1500W
YELLOW
L2
Push on Terminal
120 V
MOTOR
Field Connections
GREEN
Ground
D
SLP LIMIT
BLACK
WHITE
GRAY
ORANGE
GRAY
NL1
A
B
C
BLACK
750 WATT
500 WATT
250 WATT
EXPLODED VIEW
WIRING DIAGRAM
INSTALLATION INSTRUCTIONS
SAVE THESE INSTRUCTIONS
KING ELECTRICAL MFG. COMPANY · 9131-10TH AVENUE SOUTH · SEATTLE, WA 98108 · PH: 206.762.0400 · FAX: [phone] · www.king-electric.com
INSTALLATION
2
CAUTION
attempting installation, maintenance, or repairs. Lock or tag
circuit breaker or fuse panel door. Failure to do so could result in
serious electrical shock, burns, or possible death.
1. After removing the heater from the carton, check to make sure the heater has
not been damaged in shipment.
2. Remove the grill by loosening and removing the two screws on the side of the
front panel.Remove fan heater assembly.
3. Remove one 7/8” knock-out and feed the supply wire into the wall box using
4. Install the wall box a minimum of 6” from vertical side walls. The Slim Line
-
maintenance.
5. Secure the wall box to 2x4 studs (Use molly bolts if studs cannot be located)
using the 4 holes provided in the back of the surface box.
6. Select heater wattage (see diagram). King recommends the installer indicate
the selected heater wattage by circling the wattage listed on the nameplate.
To prevent the heater from being rewired to a higher wattage, cut the push-
on ¼” female terminal off the disconnected wire (orange, blue or yellow).
Tape all exposed wires. By disabling the heater in this manner there is no
to increase wattage, size circuit for the maximum 2250 Watts per heater for
wire to green screw or pigtail
7. Reinstall heater assembly at top of wallbox with mounting screw.
Connect supply and ground wires. (see diagram)
8. Replace the front grill and secure with the two screws provided.
louver in the grill must be open into and between wall can and top of heater for
proper circulation of air.
9. The installation is now complete and the heater is ready to be energized for
use.
FIELD WIRING – 120/277 VOLT:
1. Connect power supply L1 (white neutral wire) to white heater wire.
2. Connect power supply L2 (black hot lead) to black heater wire.
3. Connect groundwire to green wire on wall can.
FIELD WIRING – 208/240 VOLT:
1. Connect power supply L1 (hot lead) to a black heater wire.
2. Connect power supply L2 (hot lead) to a black heater wire.
This heater includes a manual reset SLP thermal protector with a
self-hold feature. If the heater shuts off in the on position and the room
temperature is below the highest thermostat setting, immediately discon-
nect the power to the heater at the circuit breaker. Inspect for any objects
on or adjacent to the heater that may cause high temperatures. After
inspecting the heater, keep the power to the heater off for 10 minutes to reset the SLP
thermal protector. If the SLP thermal protector shuts the heater off again, immediately turn
the heater off at the circuit breaker and inspect the heater for possible fan motor failure or
dirt and lint on the heating element. Repeat the starting procedure.
File #E41422
U.S. PATENT#6,748,163 B2 • CIPO PATENT #2,393,882
PT-1 PT-2
Depth - 1¼"
Height - 7¼"
Width - 16"
ULTRA GRILLE
SLT-1 - Stat Kit SPST
SLT-2 - Stat Kit DPST
SLT-2
SLT-1
SL exploded view
Temperature & cost relationship:
When setting your thermostat you may want to
consider the relative cost of various temperatures.
The chart at right shows how much higher your
heating bill may be if you like temperatures warmer
than 70ºF (21ºC).
Zone Control (setting the thermostats):
Thermostat settings are a matter of personal preference.
A few days of adjustments will help you determine the
setting that is comfortable for you. Most people keep
their living quarters at 68 to 72ºF (20 to 22ºC) and
sleeping areas at 65ºF (18ºC).
It is also wise to set living area
thermostats back at night, but
not below 60ºF (16ºC).
80º
79º
71º
70º
+31.0%
+28.0%
+3.1%
-3.1%
69º
78º
74º
75º
77º
72º
76º
73º
+25.0%
+21.9%
+18.7%
+15.6%
+12.5%
+9.4%
+6.2%
ESP
MODEL DESCRIPTION UPC# 093319
PART # WEIGHT
PAW - GUARD PAW Safety Guard 16550
PAWOG-A [[ô5HWUR¿W*ULOOH
PAWOG-B ò[[ô5HWUR¿W*ULOOH
PT-1
PT-2
Single Pole Thermostat Kit
Double Pole Thermostat Kit
00555
00560
18740
18745
16306
3.5
3
3
4
4
.5
16307 .5
ULTRA Grille (Almond)
ULTRA-A
ULTRA Grille (White)
ULTRA-W
SLT-1 Single Pole Single Throw Thermostat Kit 19562 .5
SLT-2 Double Pole Single Throw Thermostat Kit 19564 .5
ES230-R
ESP230-R
Electronic Line Voltage 10374
7 Day Independant Electronic Programmable 10380
1
1
NOTE: SL Slimline Series only is zero clearance to floor
SAVE THESE INSTRUCTIONS
INSTALLATION INSTRUCTIONS
KING ELECTRICAL MFG. COMPANY · 9131 10TH AVENUE SOUTH · SEATTLE, WA 98108 · PH: 206.762.0400 · FAX: [phone] · www.king-electric.com
OPTIONS
COMMONLY ASKED QUESTIONS
3
Between 5-10 years you may want to upgrade your thermostat, as the sensing
element may not be as accurate as when new. The most accurate thermostats
are the electronic ES230 or ESP230 models. If, in the future, you decide to
remodel or add rooms to your home, you won’t have to worry about the size of
your heating system. With electric heat you can add to the heating system, in
large or small increments.
Q. Will the room heat up faster if I put the thermostat on 90 degrees when I
get home?
A. No. The thermostat is just an on-off switch that is temperature sensitive. The
heater is either on or off.
Q. My baseboards are on outside walls, should fan heaters be also?
A. No. A fan heater, recessed into an outside wall, will create extra heat loss
and air leakage for that room. An inside wall, facing a cold window, is the best
location.
Q. My thermostat is above my fan-heater. Why?
A. The fan heater blows warm air away from itself and into the room. By the time
the warm air has recirculated and reached the thermostat above the heater, a
comfortable room temperature has been achieved.
Q. Will my electric bill be lower if I use 120 volt heaters?
A. No. Same size 120 volt and 240 volt heaters will use the same amount
of power, measured in watts or kilowatts. Your electric company charges by
kilowatt hours.
Q. Should I clean my heater?
A. Yes. Once a year you must clean and inspect your heaters. You may request
a copy of the operation & maintenance for your heater if you have lost it.
Q. Why does my new heater produce smoke when I turn it on?
A. In the manufacturing process a high temperature stove paint is used, which
will burn when the heater is energized. The smoke will stop after the heater has
fully heated. There is no cause for alarm. It is recommended to open a window
during initial operations.
Q. If I need to replace my heater, can I use a higher wattage heater?
A. Your electrical system was sized for the original heater’s wattage. A smaller
heater would be OK, but a larger heater may create a hazard. Have the circuit
checked by a licensed electrician.
Q. Are King heaters actually made in Seattle, Washington?
A. Yes. Since 1958 we have made quality residential, commercial and industrial
heating products in the same location.

1
1
（ ）
-
! !
-
-
! !
-
-
Rev. 2.27.18


 -



-
Time Period Mode
1
（ ）
-
! !
-
-
! !
-
-
Rev. 2.27.18


 -



-
Time Period Mode
Item #101419 9-15-21
4
READ ALL WIRE SIZING, VOLTAGE REQUIREMENTS AND SAFETY
DATA TO AVOID PROPERTY DAMAGE AND PERSONAL INJURY
File #E41422
U.S. PATENT#6,748,163 B2 • CIPO PATENT #2,393,882
INSTALLATION INSTRUCTIONS
WARNING
MAINTENANCE & WARRANTY
SL SERIES
Wall Heaters
Models: 1215 (120V) 2422 (240V) 2022 (208V)
SMART LIMIT PROTECTION®
SAVE THESE INSTRUCTIONS
KING ELECTRICAL MFG. COMPANY · 9131-10TH AVENUE SOUTH · SEATTLE, WA 98108 · PH: 206.762.0400 · FAX: [phone] · www.king-electric.com
DANGER
ELECTRIC SHOCK OR FIRE HAZARD
INSTALLATION INSTRUCTIONS
KINGElectrical Mfg. Company 9131 10th Ave So. Seattle, WA98108 Ph: 206-762-0400 Fax: [phone]
MustSpecify 120 or 240 Volt At Time Of Order
SAVE THESE INSTRUCTIONS
SL2022 208Volt, 500-750-1000-1250-1500-1750-2250Watts
SL2422 240Volt, 500-750-1000-1250-1500-1750-2250Watts
SL1215 120Volt, 250-500-750-1000-1250-1500Watts
Itisextremely important that you verify that the electrical power supply is the same voltage as the heater you are installing. 240
and120 Volt heaters are not interchangeable. Powering a 240 Voltunit with 120 Volt supply wires will reduce the heater output
byapproximately 75%. Powering a 120 Volt unit with 240 Voltsupply wires will destroy the heater and void warranties.
CAUTION:Turn off power source supplying the heater beforeattempting installation, maintenance, or repairs. Lock or tag circuit
breaker or fuse panel door. Failure to do so could result in serious electrical shock, burns, or possible death.
Afterremoving the heater from the carton, check to make sure the heater has not been damaged in shipment.
Removethe grill by loosening and removing the two screws on the side of the front panel.
Removeone 7/8" knock-out and feed the supply wire into the wall box using an approved electrical ¿tting to prevent
cha¿ngof the supply wires.
Installthe wall can a minimum of 6" from vertical side walls. The Slim Line heater is approved to be mounted at Àoor
levelalthough we recommend mounting it 4" above the Àoor. This will help the heater run cleaner, thus require less
maintenance.
Securethe wall box to 2x4 studs (Use molly bolts if studs cannot be located) using the 4 holes provided in the back of
thesurface box.
Selectthe wattage and con¿gure the terminals per the wiring diagram. Connect the supply wires to the leads from the
heater.Attach the ¿eld grounding wire to the green screw or pig tail.
Replacethe front grill and secure with the two screws provided. The top ¿rst louver in the grill must be open into and
betweenwall can and top of heater for proper circulation of air.
Theinstallation is now complete and the heater is ready to be energized for use.
1.
2.
3.
4.
5.
6.
7.
8.
Thisheaterincludes a manual reset thermal protector with a
self-holdfeature.If the heater shuts off with the on position
andthe room temperature is below the highest thermostat
setting,immediately disconnect the power to the heater at
thecircuit breaker and inspect for any objects on or adja-
centtothe heater that may cause high temperatures. After
inspectingtheheater, keep the power offto the heater for 10
minutestoreset the thermal protector. If the heater thermal
protectorshuts the heater off again, imme-
diatelyturn the heater off at the circuit
breakand inspect the heater for
possiblefan motor failure or
dirtand lint on the heating
element.Repeat starting
procedure..
slim-lineinstall.indd: rev. 11/06
SLP
SMART
LIMIT
PROTECTION
®
U.S.PATENT#6,748,163B2•CIPO PATENT#2,393,882
DO NOT INSTALL
VERTICALLY
1
It is extremely important to verify the electrical power supply is the same voltage as the heater being installed. 240 and
120 Volt heaters are not interchangeable. Powering a 208/240/277 Volt unit with 120 Volt supply wires will reduce heater
output by approximately 75%. Powering a 120 Volt unit with 208/240/277 Volt supply wires will destroy the heater and voids
all guarantees and warranties.
CAUTION: Keep electrical cords, drapery, furnishings and other combustibles at least 3 feet (.9m) from front of the heater
and away from side and rear. Do not block the heater in any manner. Can be installed w/zero WRÀRRUand no closer than
6 inches to the open edge of a door and adjacent wall. Never paint the heater grill.
WARNINGS: Turn off the power source supplying the heater before attempting any installation, maintenance or repairs.
Lock or tag circuit breaker/fuse panel door. Failure to do so could result in serious electrical shock, burns or possible death.
The superior quality and design of this heater will provide years of trouble-free performance. Each year the heater should be checked and cleaned for lint and/or dust accumulation. King
recommends using a soft bristle brush and vacuum to knock off contaminates. The motor is permanently lubricated and requires no oiling.
6/6OLP/LQH:DOO+HDWHUVFDUU\D¿YH\HDUZDUUDQW\RQWKHHOHPHQWVDQGDWZR\HDUZDUUDQW\RQFRPSRQHQWVIURPGDWHRILQVWDOODWLRQ7KLVZDUUDQW\UHTXLUHVWKDWWKHRZQHURU
his agent install the equipment in accordance with the National Electrical Code, any other applicable heating or electrical codes, and the manufacturer’s installation instructions. It further
requires that reasonable and necessary maintenance be performed on the unit. Failure to properly maintain the unit will result in the warranty being voided. The company is not liable for
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labor costs and shipping costs incurred to return products to King Manufacturing. King Manufacturing will repair or replace, at our option, at no charge to the customer with return freight
paid by King. King Manufacturing shall not be liable for consequential damages arising with respect to the product, whether based upon negligence, tort, strict liability or contract. No other
written or oral warranty applies, nor any warranties by representatives, dealers, employees of King, or any other person. All returns require a King Return Goods Authorization (RGA);
Unauthorized returns will be refused. Do not return malfunctioning/defective products to store.
Operating voltage cannot exceed 5% of rated voltage. Operating heater above listed voltage ratings voids all guarantees and warranties.
paw-sl.indd :
09/15/21
SL Slimline Series Only
zero clearance to floor
4
CLEANING & MAINTENANCE GUIDE FOR
PAW - SL SERIES HEATERS
Regular maintenance on an electric wall heater will prolong the life of
the product and keep it operating safely. Heaters should be cleaned and
inspected every 6 months. This guide will show in detail how to properly
clean and maintain your King electric wall heater. It will also show when
parts or perhaps the entire heater should be replaced. Listed below are
step by step instructions for cleaning and maintaining the PAW Series
Wall Heater.
WARNING: Take extreme caution when
working with electrical heaters. Turn off
the electrical power to the heater before
removing the grille of the heater. Lock,
tape or tag the circuit breaker so that the
power cannot be turned on accidentally
while working on the heater.
1. After the power is turned off, remove grille using a #2 square drive
or a #2 Phillips head screw driver. DO NOT remove heater interior
and wall can from wall! Clean grille before reinstalling.
KING ELECTRICAL MFG. CO. · 9131 - 10TH AVE SOUTH · SEATTLE, WA 98108
2. Use a soft bristled brush (1" to 2" wide) such as a paint brush to
remove any contaminants from the fan cage. Also spin the fan by hand
to make sure that it spins freely. If it feels like the motor is binding see
instructions below for oiling motor.
To clean heater, start by using a vacuum cleaner nozzle in the blow
out mode.
4. Vacuum out any material in the squirrel cage by placing the vacuum
nozzle close to the fan cage. Be careful not to bend the squirrel cage
because it could become out of balance if deformed.
The useful life on a PAW - SL Series Heater depends on the amount
of use, environment, and how often it is cleaned and maintained. Heat-
ers operated beyond their useful life are more prone to problems. For
example, when a motor slows down due to wear or lack of cleaning it
reduces the CFM and can cause the heater to overheat, tripping the
limit control. The limit will cycle the heater on and off. It is much safer to
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a light which turns on when the limit trips. Heaters prior to that do not
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rence. One way to tell is by listening for the click that is made when the
limit trips. With regular inspection and maintenance, your heater will
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manual limit and do not have a light.
3. To clean the element, point the nozzle at the element as shown on
the diagram and blow the dust out. This will dislodge any contaminates
caught on the heating element. Compressed air blown onto the element
works well also. If you have another vacuum, you can blow out from the
bottom and suck the debris from the opening at the same time which
will minimize dirt and lint being blown into the room.
5. After removing contaminates lubricate the motor shaft and bearing
with a few drops of S.A.E. 20 synthetic oil at the locations shown. Do
not use WD-40. If the motor does not spin freely after oiling, it should
be replaced. Newer models have capped bearings and cannot be oiled.
Inspect the limit and look for signs of overheated wires and parts that
may need to be replaced.

32
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Rev. 2.27.18
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File #E41422
U.S. PATENT #6,748,163 B2 • CIPO PATENT #2,393,882
U.S. PATENT #6,748,163 B2 • CIPO PATENT #2,393,882
WATTAGE SELECTION
The heater is factory wired to 1500 Watts at
120 Volts. To reduce wattage unplug an insu-
.wolebgnidocrolocreplanimretnohsupdetal
Wrap with electrical tape to preventpossibility
of electrical contact with other parts.
AC
DCommon
750
END VIEW OF ELEMENT
B
500
A- 750 W B - 500 W C- 250 W
D- Common Leg of Power Supply
250
B
WIRE COLOR CODING
A Orange Disconnects the 1000 Watt element
B Blue Disconnects the 750 Watt element
C Yellow Disconnects the 500 Watt element
D Black DO NOT DISCONNECT (Common)
WATTAGE SELECTION
The heater is factory wired to 2250 Watts
gulpnuegattawecuderoT.stloV042/802ta
an insulated push on terminal per the color
coding below. Wrap with electrical tape to
prevent the possibility of electrical contact
with other parts.
PIC-A-WATT®
SLP LIMIT
Built-in Thermotat
(Optional)
Steel Sheath Element
2022 208V 2250W
2422 240V 2250W
GRAY
GRAY
L2
Push on Terminal
208V
240V
MOTOR
Field Connections
GREEN
Ground
D
BLUE
BLACK BLACK
ORANGE
YELLOW
L1 L2
1000 WATT
A
B
C
750 WATT
500 WATT
BLACK
AC
DCommon
1000
END VIEW OF ELEMENT
750 500
A- 1000 W B - 750 W C- 500 W
D- Common Leg of Power Supply
WIRE COLOR CODING
A Orange Disconnects the 750 Watt element
B Blue Disconnects the 500 Watt element
C Yellow Disconnects the 250 Watt element
D Black DO NOT DISCONNECT (Common)
PIC-A-WATT®
BLUE
Built-in Thermotat
(Optional)
Steel Sheath Element 1215 120V 1500W
YELLOW
L2
Push on Terminal
120 V
MOTOR
Field Connections
GREEN
Ground
D
SLP LIMIT
BLACK
WHITE
GRAY
ORANGE
GRAY
NL1
A
B
C
BLACK
750 WATT
500 WATT
250 WATT
EXPLODED VIEW
WIRING DIAGRAM
INSTALLATION INSTRUCTIONS
SAVE THESE INSTRUCTIONS
KING ELECTRICAL MFG. COMPANY · 9131-10TH AVENUE SOUTH · SEATTLE, WA 98108 · PH: 206.762.0400 · FAX: [phone] · www.king-electric.com
INSTALLATION
2
CAUTION
attempting installation, maintenance, or repairs. Lock or tag
circuit breaker or fuse panel door. Failure to do so could result in
serious electrical shock, burns, or possible death.
1. After removing the heater from the carton, check to make sure the heater has
not been damaged in shipment.
2. Remove the grill by loosening and removing the two screws on the side of the
front panel.Remove fan heater assembly.
3. Remove one 7/8” knock-out and feed the supply wire into the wall box using
4. Install the wall box a minimum of 6” from vertical side walls. The Slim Line
-
maintenance.
5. Secure the wall box to 2x4 studs (Use molly bolts if studs cannot be located)
using the 4 holes provided in the back of the surface box.
6. Select heater wattage (see diagram). King recommends the installer indicate
the selected heater wattage by circling the wattage listed on the nameplate.
To prevent the heater from being rewired to a higher wattage, cut the push-
on ¼” female terminal off the disconnected wire (orange, blue or yellow).
Tape all exposed wires. By disabling the heater in this manner there is no
to increase wattage, size circuit for the maximum 2250 Watts per heater for
wire to green screw or pigtail
7. Reinstall heater assembly at top of wallbox with mounting screw.
Connect supply and ground wires. (see diagram)
8. Replace the front grill and secure with the two screws provided.
louver in the grill must be open into and between wall can and top of heater for
proper circulation of air.
9. The installation is now complete and the heater is ready to be energized for
use.
FIELD WIRING – 120/277 VOLT:
1. Connect power supply L1 (white neutral wire) to white heater wire.
2. Connect power supply L2 (black hot lead) to black heater wire.
3. Connect groundwire to green wire on wall can.
FIELD WIRING – 208/240 VOLT:
1. Connect power supply L1 (hot lead) to a black heater wire.
2. Connect power supply L2 (hot lead) to a black heater wire.
This heater includes a manual reset SLP thermal protector with a
self-hold feature. If the heater shuts off in the on position and the room
temperature is below the highest thermostat setting, immediately discon-
nect the power to the heater at the circuit breaker. Inspect for any objects
on or adjacent to the heater that may cause high temperatures. After
inspecting the heater, keep the power to the heater off for 10 minutes to reset the SLP
thermal protector. If the SLP thermal protector shuts the heater off again, immediately turn
the heater off at the circuit breaker and inspect the heater for possible fan motor failure or
dirt and lint on the heating element. Repeat the starting procedure.
File #E41422
U.S. PATENT#6,748,163 B2 • CIPO PATENT #2,393,882
PT-1 PT-2
Depth - 1¼"
Height - 7¼"
Width - 16"
ULTRA GRILLE
SLT-1 - Stat Kit SPST
SLT-2 - Stat Kit DPST
SLT-2
SLT-1
SL exploded view
Temperature & cost relationship:
When setting your thermostat you may want to
consider the relative cost of various temperatures.
The chart at right shows how much higher your
heating bill may be if you like temperatures warmer
than 70ºF (21ºC).
Zone Control (setting the thermostats):
Thermostat settings are a matter of personal preference.
A few days of adjustments will help you determine the
setting that is comfortable for you. Most people keep
their living quarters at 68 to 72ºF (20 to 22ºC) and
sleeping areas at 65ºF (18ºC).
It is also wise to set living area
thermostats back at night, but
not below 60ºF (16ºC).
80º
79º
71º
70º
+31.0%
+28.0%
+3.1%
-3.1%
69º
78º
74º
75º
77º
72º
76º
73º
+25.0%
+21.9%
+18.7%
+15.6%
+12.5%
+9.4%
+6.2%
ESP
MODEL DESCRIPTION UPC# 093319
PART # WEIGHT
PAW - GUARD PAW Safety Guard 16550
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PT-1
PT-2
Single Pole Thermostat Kit
Double Pole Thermostat Kit
00555
00560
18740
18745
16306
3.5
3
3
4
4
.5
16307 .5
ULTRA Grille (Almond)
ULTRA-A
ULTRA Grille (White)
ULTRA-W
SLT-1 Single Pole Single Throw Thermostat Kit 19562 .5
SLT-2 Double Pole Single Throw Thermostat Kit 19564 .5
ES230-R
ESP230-R
Electronic Line Voltage 10374
7 Day Independant Electronic Programmable 10380
1
1
NOTE: SL Slimline Series only is zero clearance to floor
SAVE THESE INSTRUCTIONS
INSTALLATION INSTRUCTIONS
KING ELECTRICAL MFG. COMPANY · 9131 10TH AVENUE SOUTH · SEATTLE, WA 98108 · PH: 206.762.0400 · FAX: [phone] · www.king-electric.com
OPTIONS
COMMONLY ASKED QUESTIONS
3
Between 5-10 years you may want to upgrade your thermostat, as the sensing
element may not be as accurate as when new. The most accurate thermostats
are the electronic ES230 or ESP230 models. If, in the future, you decide to
remodel or add rooms to your home, you won’t have to worry about the size of
your heating system. With electric heat you can add to the heating system, in
large or small increments.
Q. Will the room heat up faster if I put the thermostat on 90 degrees when I
get home?
A. No. The thermostat is just an on-off switch that is temperature sensitive. The
heater is either on or off.
Q. My baseboards are on outside walls, should fan heaters be also?
A. No. A fan heater, recessed into an outside wall, will create extra heat loss
and air leakage for that room. An inside wall, facing a cold window, is the best
location.
Q. My thermostat is above my fan-heater. Why?
A. The fan heater blows warm air away from itself and into the room. By the time
the warm air has recirculated and reached the thermostat above the heater, a
comfortable room temperature has been achieved.
Q. Will my electric bill be lower if I use 120 volt heaters?
A. No. Same size 120 volt and 240 volt heaters will use the same amount
of power, measured in watts or kilowatts. Your electric company charges by
kilowatt hours.
Q. Should I clean my heater?
A. Yes. Once a year you must clean and inspect your heaters. You may request
a copy of the operation & maintenance for your heater if you have lost it.
Q. Why does my new heater produce smoke when I turn it on?
A. In the manufacturing process a high temperature stove paint is used, which
will burn when the heater is energized. The smoke will stop after the heater has
fully heated. There is no cause for alarm. It is recommended to open a window
during initial operations.
Q. If I need to replace my heater, can I use a higher wattage heater?
A. Your electrical system was sized for the original heater’s wattage. A smaller
heater would be OK, but a larger heater may create a hazard. Have the circuit
checked by a licensed electrician.
Q. Are King heaters actually made in Seattle, Washington?
A. Yes. Since 1958 we have made quality residential, commercial and industrial
heating products in the same location.