king LPWA2740 Wall Heater With Transformer Relay Instruction Manual
- June 16, 2024
- KING
Table of Contents
king LPWA2740 Wall Heater With Transformer Relay
Specifications
- Model Number: 103800
- Revision Date: 9-30-19
- Print Date: 2-13-20
- Website: https://manual-hub.com/
Description
The product is a time period mode device with smart limit protection. It is designed to provide accurate time measurement and protection against exceeding preset limits.
Features
- Time Period Mode: Allows users to measure time intervals accurately.
- Smart Limit Protection: Prevents exceeding preset limits by providing warnings or automatically stopping the device.
DANGER ~
ELECTRIC SHOCK OR FIRE HAZARD READ ALL WIRE SIZING, VOLTAGE REQUIREMENTS AND SAFETY DATA TO AVOID PROPERTY DAMAGE AND PERSONAL INJUR
Instruction
WARNING
READ CAREFULLY – Use the heater only as described in this manual. Any other
use is not recommended and could result in fire, electric shock, and personal
injury. Following these instructions will prevent difficulties that might
occur during the installation and use of the heater.
Please study the instructions first, as they may save considerable time and
trouble during use in addition to providing important safety information. Make
sure to save these instructions for future use.
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Power must come to heater first.
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Read all instructions before wiring or using this heater.
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This heater is hot when in use. To avoid burns, do not let bare skin touch hot surfaces. Keep combustible materials, such as furniture, pillows, bedding, papers, clothes, boxes, etc., and curtains must be at least 3 feet away from the front and sides of heater.
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Extreme caution is necessary when any heater is used by or near children or invalids and whenever the heater is left operating and unattended.
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Do not operate any heater after it malfunctions. Disconnect power at service panel and have heater inspected by a qualified electrician for repair before reusing.
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Do not use outdoors. Figure 2
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To disconnect heater, turn controls to OFF, and turn OFF power from main service panel.
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Do not insert or allow foreign objects to enter any ventilation or exhaust opening as this may cause an electric shock, fire, or damage to the heater.
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To prevent the possibility of fire, do not block air intakes or exhaust in any manner.
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A heater has hot and arching or sparking parts inside. Do not use it in areas where gasoline, paint, or any other flammable vapors or liquids are stored.
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Use this heater only as described in the manual. Any other use is not recommended by the manufacturer and may cause fire, electric shock, an explosion, injury or death to people and or property.
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This heater includes Smart limit protection that shuts down heater in the event of excessive over heating. To reset heater turn OFF power wait 15 minutes for limit to reset & turn power back ON.
LPWA INSTALLATION INSTRUCTIONS
CAUTION!
Turn OFF all electrical power to install heater
Rating Label Location
Selecting a location for your heater:
Do Not install less than 6 inches from vertical side walls or open edge of door. This heater must have an unrestricted airilow. Do Not select a location where it is likely to be blocked by furniture, curtains, etc. Be sure the location selected allows sufficient space for the heater as shown below by Table 1. Do Not locate this heater in an area where combustible vapors, gases, flammable liquids, or excessive lint, dust or moisture is present.
The wire and breaker sizing chart will give a general rule of installation size. Consult an electrician if you are not knowledgeable about wiring codes.
Wire & Breaker Sizing: WIRING: Branch Circuit Connection
Zero clearance to insulation. KO location as mounted in wall.
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Connect heater only to the voltage, amperage and frequency specified on the nameplate.
Wiring procedures and connections shall be in accordance with all National and local codes having jurisdiction. -
Set the bag containing the grill and packet with (4) grill screws aside.
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Loosen mounting screws and remove fan heater assembly.
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A knockout of 1/2 inch conduit size (7/8 inch) is provided in the back and side of the heater for power to enter. Provide proper strain relief connectors (not included) for your wire entering the wall box. 6. Install wall box a minimum o
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inches from vertical side walls and 4 inches above floor.
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Secure wall box to the 2 x 4 studs using the (2) holes on the side of the wall box. Secure to wall stud on opposite side if required.
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Connect supply wires, attach ground feed wire to the green ground wire with wire nuts
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Reinstall heater assembly into wall box with screw at top of the interior.
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Install grill securely with screws provided. Do Not over-tighten.
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Test unit by turning the thermostat up past room temperature. You will see a puff of smoke as the elements are energized and the fan turns on. This is a normal burn off of manufacturing lubricants and will dissipate in 5 minutes.
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Heater will continue to run until the room temperature you set is reached and then turn itself off until the temperature drops again.
NOTE ABOUT FAN DELAY FEATURE : The fan delay feature enables the fan to run after the thermostat turns off in order to remove residual heat from the elements. You may see the fan cycle on and off a few times until the elements have cooled. This is normal operation.
OPERATING INSTRUCTIONS
TROUBLESHOOTING
LPWA 120V / 208V / 240V STANDARD WIRING DIAGRAM
INSTALLATION INSTRUCTIONS
This heater is shipped from the factory wired for maximum wattage. To reduce the wattage unplug (disconnect) an insulated push-on terminal and wrap with electrical tape to prevent the possibility of electrical contact with other parts.
FIELD WATTAGE SELECTION
Field Wattage Selection
- A – ORANGE Disconnects 750 Watts
- B – BLUE Disconnects 500 Watts
- C – YELLOW Disconnects 250 Watts
- D – BLACK Do Not Disconnect (Common)
- E-RED Do Not Disconnect
Field Wattage Selection
- A – ORANGE Disconnects 1000 Watts
- D – BLACK Do Not Disconnect (Common)
Field Wattage Selection
- A – ORANGE Disconnects 1000 Watts
- B – BLUE Disconnects 750 Watts
- C – YELLOW Disconnects 500 Watts
- D – BLACK Do Not Disconnect (Common)
- E-RED Do Not Disconnect
SMART LIMIT PROTECTION
This heater is equipped with a thermal overload SMART LIMIT PROTECTION which disconnects elements (fan delay & fan only function still works) in the event normal operating temperatures are exceeded. If thermal overload trips due to abnormal operating temperatures, thermal overload remains open until manually reset by turning the heater Off for 15 minutes. 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 15 minutes to reset the SLP thermal protector. If the SLP thermal protector V 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.
DO NOT TAMPER WITH, BYPASS OR REMOVE THIS HIGH-LIMIT DEVICE.
OPERATING INSTRUCTIONS
General information and guidelines:
This heater must be properly installed before it is used. DO NOT tamper with
or change the operation of this heater. Service personnel refer to Maintenance
& Warranty section for service of any type.
Operation
- This heater must be properly installed in accordance with the National Electrical Codes (NEC) & local electrical codes before it is used.
- After the electric heater has been completely installed, all thermostats should be turned to LOW or NO HEAT. Turn ON breakers, test fan Only then turn to heat & turn up the thermostat; wait 3 to 5 minutes. Check to see that the heater is operating correctly. If the heater is not operating, disconnect power by turning Off heater & breaker and check wiring connections.
- Allow entire system to operate steadily for 1/2 hour. This should remove oily residue from manufacturing. (Some smoking may occur).
- Select the setting for comfort on thermostat.
- A safety limit control is provided to turn off the heater automatically if it is blocked or otherwise overheats due to an abnormal condition. DO NOT bypass or remove this safety device from the electrical circuit- see Warning Figure 2-2 on page 5. During normal use, this safety
KING ELECTRIC MFG CO • 9131 10TH AVENUE SOUTH • SEATTLE, WA 98108 • PH:206 762 0400 – FAX: 206 763 7738 • www.king-electric.com
References
Read User Manual Online (PDF format)
Read User Manual Online (PDF format) >>