Air Discharge Diverter Duct - L.B. White Therma Grow 120NG Owner's Manual And Instructions

Greenhouse heaters

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Table Of Contents

Table of Contents

-- With the main burner in operation, check all

connections, hose connections, fittings and joints

as well as the gas control valve inlet and outlet

connections with approved gas leak detectors.

-- If a leak is detected, check the components

involved for cleanliness in the thread areas and

proper application of pipe compound before further

tightening.

-- Tighten the gas connection as necessary to stop

the leak.

-- If necessary, replace the parts or components

involved if the leak cannot be stopped.

-- Ensure all gas leaks have been identified and

repaired before proceeding.

11. A qualified service agency must check for proper

operating gas pressure upon installation of the

heater.

12. Light according to instructions on heater or within

owner's manual.

13. It is extremely important to use the proper size and

type of gas supply line to assure proper functioning of

the heater. Contact your fuel gas supplier for proper

line sizing and installation.

14. This heater can be configured for use with either L.P.

gas vapor withdrawal or natural gas. Consult the

dataplate for the gas configuration of the specific

heater. Do not use the heater in an L.P. gas liquid

withdrawal system or application. If you are in doubt,

contact the L.B. White Co., Inc.

1. The air discharge diverter duct provides improved

directional air flow and greater heat throw, beneficial

in heating long houses. Use the duct only on indoor

mounted heaters. Do not use the diverter when the

heater is mounted outside the green house. The

diverter duct requires hand forming prior to assembly.

Make 90 degree bends utilizing the perforations

provided. Assemble as shown in Fig. 1.

FIG. 1

PERFORATIONS

VANES

MUST BE

DIRECTED

DOWNWARD

SCREWS

FROM KIT

15. Eventually, like all electrical/mechanical devices, the

thermostat can fail. Thermostat failure may result in

either an underheating or overheating condition which

may damage or kill plants. Plants should be

protected by a separate back-up control system that

limits high and low temperatures and also activates

appropriate alarms.

16. Take time to understand how to operate and maintain

the heater by using this Owner's Manual. Make sure

you know how to shut off the gas supply to the

building and also to the individual heater. Contact

your fuel gas supplier if you have any questions.

17. Any defects found in performing any of the service or

maintenance procedures must be eliminated and

defective parts replaced immediately. The heater

must be retested by properly qualified ser vice

personnel before placing the heater back into use.

18. Do not exceed input rating stamped on the dataplate

of the heater. Do not exceed the burner manifold

pressure stated on the dataplate. Do not use an

orifice size different than specified for the specific

input rating of this heater, fuel type configuration and

altitude.