Operating instructions

ManualsBrandsDayton ManualsDomestic Appliances6BY73

Form 5S5382

Printed in U.S.A.

09663

0806/219/VCPVP

PIN012

08/06

Dayton

Propane Convection

Construction Heaters

Operating Instructions & Parts Manual 6BY73A and 6BY74A

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.

Description

Dayton Models 6BY73A and 6BY74A heaters are 60,000 to 200,000 BTU/Hr

construction heaters. These heaters use propane gas for combustion. They are

primarily intended for temporary heating of well ventilated buildings under

construction, alteration or repair. These heaters should only be used outdoors, and

indoor use only in well ventilated, non-residential areas.

Figure 1 – Model 6BY73A

Figure 2 – Model 6BY74A

Specifications

Manifold

Model BTU/Hr Gal/Hr Lbs/Hr Pressure-Hi/lo Ignitor Gap Weight Size

6BY73A 60,000 to 80,000 0.66/0.87 2.78/3.70 12.0”/13.0” W.C. 0.195” 11.5 Lbs. 19.5” x 16” x 16”

6BY74A 70,000 to 200,000 0.76/2.18 3.23/9.25 4.0 to 5.0 PSI 0.130” 14.3 Lbs. 26.4” x 16” x 16”

Fuel Type – Propane Vapor Only Ignition Type – Piezo Minimum Operating Temp. – 20°F (-29°C)

Table of Contents Page

Description . . . . . . . . . . . . . . . . . . . . . . . 1

Specifications . . . . . . . . . . . . . . . . . . . . . 1

Unpacking . . . . . . . . . . . . . . . . . . . . . . . 1

General Safety Information . . . . . . . . 1-3

Assembly . . . . . . . . . . . . . . . . . . . . . . . 3-4

Operation . . . . . . . . . . . . . . . . . . . . . . 5-6

Ventilation . . . . . . . . . . . . . . . . . . . . . . 5

Lighting/Operating Instructions . . . 5-6

Maintenance . . . . . . . . . . . . . . . . . . . . . 6

Repair Parts Illustration . . . . . . . . . . . . . 7

Repair Parts List . . . . . . . . . . . . . . . . . . . 7

Troubleshooting Chart . . . . . . . . . . . . . 8

Warranty. . . . . . . . . . . . . . . . . . . . . . . . . 8

Unpacking

1. Remove all packing items applied to

heater for shipment. Keep plastic

cover caps attached to inlet connector

and hose/regulator assembly for

storage.

2. Remove all items from carton.

3. Check all items for shipping damage.

If heater is damaged, promptly

inform branch where you purchased

heater.

General Safety Information

Indicates an im-

minently hazardous

situation which, if not avoided, WILL

result in death or serious injury.

Indicates a poten-

tially hazardous

situation which, if not avoided, COULD

result in death or serious injury.

Indicates a poten-

tially hazardous

situation which, if not avoided, MAY

result in minor or moderate injury.

Consumer: Retain this manual for future

reference.

Summary of content (8 pages)

PAGE 1
6BY73A and 6BY74A Operating Instructions & Parts Manual 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.
PAGE 2
6BY73A and 6BY74A Dayton Operating Instructions and Parts Manual Dayton Propane Convection Construction Heaters ® General Safety Information (Continued) General Hazard Warning: Failure to comply with the precautions and instructions provided with this heater can result in death, serious bodily injury, and property loss; or damage from hazards of fire, explosion, burn, asphyxiation, carbon monoxide poisoning, and/or electrical shock.
PAGE 3
Dayton Operating Instructions and Parts Manual Models 6BY73A and 6BY74A General Safety Information (Continued) - Do not alter heater. Keep heater in its original state. - Provide adequate ventilation. Before using heater, check and follow the fresh air requirements on this page. This heater produces carbon monoxide which is listed by the State of California as a reproductive toxin under Proposition 65. - Do not use heater if altered. - For indoor use only.
PAGE 4
6BY73A and 6BY74A Dayton Operating Instructions and Parts Manual Dayton Propane Convection Construction Heaters ® Assembly (Continued) 6. Place upper housing assembly onto lower housing. Secure with four Phillips screws in top holes of lower housing. IMPORTANT: Tighten regulator with vent pointing down. Pointing vent down protects regulator from weather damage (Figure 7). 7. For 6BY73A, attach knob to gas valve stem (Figure 5). 10. Attach hose to the connector inlet (Figure 8).
PAGE 5
Dayton Operating Instructions and Parts Manual Models 6BY73A and 6BY74A Operation THE FUEL SYSTEM: The hose/regulator assembly attaches to the propane gas supply. This provides fuel to the heater. THE AUTOMATIC CONTROL SYSTEM: The automatic control valve shuts off the heater if the flame goes out. Figure 9 shows the minimum number of 100-pound tank(s) or one larger tank may be needed in cooler weather. Your propane gas dealer will help you select the proper supply system. Hot while in operation.
PAGE 6
BY73A and 6BY74A Dayton Operating Instructions and Parts Manual Dayton Propane Convection Construction Heaters ® Operation (Continued) LIGHTING/OPERATING INSTRUCTIONS 6BY74A PREPARING FOR OPERATION 1. Check the heater for possible shipping damage. If any is found, immediately notify your local branch. 2. Follow all Safety Information on Pages 1-3. Before lighting heater, turn main burner valve to LIGHT position. START: Read safety information before starting the heater. 1.
PAGE 7
6BY73A and 6BY74A Dayton Operating Instructions and Parts Manual For Repair Parts, call 1-800-323-0620 24 hours a day – 365 days a year 11 Please provide following information: -Model number -Serial number (if any) -Part description and number as shown in parts list 20 13 19 12 14 18 Address parts correspondence to: Grainger Parts P.O. Box 3074 1657 Shermer Road Northbrook, IL 60065-3074 U.S.A.
PAGE 8
6BY73A and 6BY74A Dayton Operating Instructions and Parts Manual Dayton Propane Convection Construction Heaters ® Troubleshooting Chart Symptom Possible Cause(s) Corrective Action Burner fails to light 1. Propane supply valve closed on propane tank(s) 2. Excess-flow check valve closed 1. Open propane supply valve slowly 3. Blockage in burner nozzle 4.