Dayton Portable Electric Heaters - Operating Instructions and Parts Manual - 1RKT2, 1RKT3, 1RKT4, 1RKT5, 1RKT9 and 1RKU2

Oct 23, 2026

Upload by acoobca

Operating instructions and parts manual for Dayton portable electric forced-air heaters, covering models 1RKT2, 1RKT3, 1RKT4, 1RKT5, 1RKT9, and 1RKU2. Provides product description and intended use for temporary building heating during construction, alteration, or repair, not for residential applications. Includes unpacking, dimensions, specifications, general safety guidance, fire/burn/inhalation/explosion hazards, and certifications under UL1278 and relevant standards. Includes assembly, wiring, operating instructions, maintenance and storage, exploded part illustration, replacement parts list, and troubleshooting.

LanguageEnglish

CategoryTechnology

FormatPDF

Pages12

Reading Time30 min

AccessFree to download

Unpacking

General Safety Information

Dimensions

Specifications

Features

Assembly

Wiring

Operating Instructions

Maintenance and Storage

Exploded Part Illustration

Replacement Parts List

Troubleshooting

| Operating Instructions & Parts Manual | | | | | 1RKT2, 1RKT3, 1RKT4, 1RKT5, 1RKT9 and 1RKU2 | | | | | | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | Please read and save these instructions. Read carefully before attempting to assemble, install, operate or maintain the product described. Protect yourself and others by observing all safety information. Failure to comply with instructions could result in personal injury and/or property damage! Retain instructions for future reference.
Dayton® Portable Electric Heaters | | | | | | | | | | | | Description
This is an electric, forced air heater. It is primarily intended for temporary heating of buildings under construction, alteration or repair. This heater circulates the room air to gradually and continuously heat the space. The heater is constructed with a high quality heating element, and is supplied with front and rear safety screens. It comes with a high limit temperature switch, with automatic reset and a thermostat control with a fan-only option. Note that each heater can be used as a portable model, or wall or ceiling mounted with the optional wall/ceiling mount kit. It is not intended for use in residential applications.
Unpacking
Dimensions (Port / Suspend)

Model Length Width Height | | | | | | | | |
Figure 1-1RKT2.

Table of Contents Page
Dimensions 1
Specifications 1
General Safety Information . . . . . . .2
Features 2-3
Assembly . . . . . . . . . . . . . . . . . . . . .3-5
Wiring . . . . . . . . . . . . . . . . . . . . . . .5-6
Operating Instructions . . . . . . . . . . . 7
Maintenance and Storage . . . . . . . . 7
Exploded Part Illustration . . . . . . . . 8
Replacement Parts List . . . . . . . . . 8-9
Troubleshooting . . . . . . . . . . . . . . . 10 | | | 1RKT2
1RKT3
1RKT4
1RKT5
1RKT9
1RKU2 | 21”/36”
21”/36”
21”/36”
21”/36”
21”/36”
23”/38” | 27”/23”
27”/23”
27”/23”
27”/23”
27”/23”
27”/23” | | | | 39”/23”
39”/23”
39”/23”
39”/23”
39”/23”
39”/23” | | | | | |
Model 1RKT2 w/ cart | | | | | | | | | | | | Figure 2
Specifications | | | | | | | | | | | | Model | Unit
Weight (Lbs) | Kilowatts | | Volts- | | Phase | Amps | Fan Output | | Heat Output | | 1RKT2 | 76 | 15 | | 240 | | 3 | 36 | 790 CFM | | 51,216 BTU/Hr | | 1RKT3 | 76 | 15 | | 240 | | 1 | 63 | 790 CFM | | 51,216 BTU/Hr | | 1RKT4 | 76 | 15 | | 480 | | 3 | 18 | 790 CFM | | 51,216 BTU/Hr | | 1RKT5 | 71 | 10 | | 240 | | 1 | 42 | 790 CFM | | 34,144 BTU/Hr | | 1RKT9 | 76 | 15 | | 208 | | 3 | 42 | 790 CFM | | 51,216 BTU/Hr | | 1RKU2 | 88 | 30 | | 480 | | 3 | 36 | 1,200 CFM | | 102,432 BTU/Hr | Form 5S5643 Printed in Korea 09663 1106/295/VCPVP PIN016 09/06 Dayton Operating Instructions and Parts Manual 1RKT2, 1RKT3, 1RKT4, 1RKT5, 1RKT9 and 1RKU2 Dayton® Portable Electric Heaters | Unpacking
Remove the heater and all of its packaging materials form the shipping carton.
NOTE
Save the box and packaging materials for future use.
General Safety Information
Do not operate this heater until you have
read, and thoroughly understand these safety and operating instructions. Failure to comply with the precautions and instructions provided with this heater can result in death, serious bodily injury, property loss or damage from the hazards of fire, explosion, burns, or electric shock. Only persons who can read and understand these instructions should use or service this heater. Not for residential, household or recreational vehicle use. Please read this manual
FIRE, BURN,
INHALATION AND EXPLOSION HAZARD:
1. Keep solid combustibles, such as building materials, paper or cardboard, a safe distance away from the heater as recommended by the instructions in this manual.
NEVER use the heater in locations which do or may contain volatile or airborne combustables, o

FAQs

What are these heaters intended for, and where are they not intended to be used?

They are primarily intended for temporary heating of buildings under construction, alteration, or repair. They are not intended for residential, household, recreational vehicle, or bathroom/laundry/similar indoor use.

What safety precautions are emphasized before operating the heater?

Operate only after thoroughly reading and understanding the safety and operating instructions. Only persons who can read and understand the instructions should use or service the heater, and never leave it operating unattended.

What should be avoided to reduce fire and electric shock hazards?

Keep combustibles at least 3 feet away from the heater and feeder cable, never use in locations with volatile or airborne combustibles, do not block air intakes or exhaust, and do not insert foreign objects into ventilation or exhaust openings.

Oct 23, 2026

Upload by acoobca