U
SAVE THESE INSTRUCTIONS
INSTALLATION INSTRUCTIONS
SMART LIMIT PROTECTION
®
W - WHF SERIES
Wall Heaters
Models: 1210 (120V) 1212 (120V) 1215 (120V)
2010 (208V) 2015 (208V) 2020 (208V)
2410 (240V) 2412 (240V) 2415 (240V)
2420 (240V) 2424 (240V)
2710 (277V) 2715 (277V)
DANGER
ELECTRIC SHOCK OR FIRE HAZARD
READ ALL WIRE SIZING, VOLTAGE REQUIREMENTS AND SAFETY
DATA TO AVOID PROPERTY DAMAGE AND PERSONAL INJURY
WARNING
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. To insure proper operation of this heater it should be
a minimum of 4 inches above the fl oor and no closer than 6 inches to the open edge of a door and/or 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.
MAINTENANCE & WARRANTY
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.
W Wall Heaters carry a one (1) year limited warranty on all components from date of installation. WHF Wall Heaters carry a two (2) year limited warranty on all components from date of
installation. This warranty requires that the owner or 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 abuse or misuse of product as may be fi nally determined by the company. The customer shall be responsible for all costs incurred
in the removal or reinstallation of products, including 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.
KING ELECTRICAL MFG. COMPANY · 9131 10TH AVENUE SOUTH · SEATTLE, WA 98108 · PH: 206.762.0400 · FAX: 206.763.7738 · www.king-electric.com
w-whf.indd : 4/08
SMART
SLP
®
LIMIT
PROTECTION
.S. PATENT #6,748,163 B2 • CIPO PATENT #2,393,882
File #E41422
U
U
SAVE THESE INSTRUCTIONS
INSTALLATION INSTRUCTIONS
INSTALLATION
Following are installation guidelines:
• Disconnect power at main panel.
• Make certain all wiring is in accordance with any/all local codes.
• Ensure units are properly grounded.
• Heater voltage rating should be the same as supply load.
1. Remove two screws on front grill. Remove grill. Loosen mounting screw.
Remove fan heater assembly.
2. Remove a 7/8" knockout. Thread supply wire into wallbox. Use an approved
strain relief bushing to prevent chafi ng of supply wires through the opening in
wallbox.
3. Install wall can a minimum of 6" from vertical sidewalls and 4" above fl oor.
The front edge of wall can must be ½" beyond finished wall.
4. Secure wallbox to the 2x4 studs using the two (2) holes on each side of
wallbox. Secure twist lock to wall stud on opposite side.
5. Reinstall heater assembly at top of wallbox with mounting screw.
Connect supply and ground wires. (see diagram)
6. Reinstall grill securely with screws provided. For proper air circulation, the
top louver in grill must open into and between wall can and top of heater.
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.
3. Connect groundwire to green wire on wall can.
NOTE: The two black leads on the heater can be connected to either hot lead.
There is no polarity. The 208/240 Volt heater does not require a neutral wire from
the power panel.
SMART
SLP
LIMIT
PROTECTION
.S. PATENT #6,748,163 B2 • CIPO PATENT #2,393,882
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.
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 disconnect 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
ELEMENT
TAG
POWER
SUPPLY
W - WHF WIRING DIAGRAM
Single Element Factory WiringTwo Element - Factory Wiring
FAN
FAN
TAG
LIMIT
ELEMENT
LIMIT
capped
ends
THERMOSTAT
(OPTIONAL)
POWER
SUPPLY
W DIMENSIONS
WHF DIMENSIONS
LIMIT
LIMIT
THERMOSTAT
(OPTIONAL)
FAN-FORCED HEATERS:
Clearances for Safe Operation
KING ELECTRICAL MFG. COMPANY · 9131 10TH AVENUE SOUTH · SEATTLE, WA 98108 · PH: 206.762.0400 · FAX: 206.763.7738 · www.king-electric.com
CAUTION
The heater
should not
be covered
or blocked
in any manner.
w-whf.indd : 4/08
SMART
SLP
®
LIMIT
PROTECTION
.S. PATENT #6,748,163 B2 • CIPO PATENT #2,393,882
File #E41422
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