Available in either l.P. Gas vapor withdrawal or natural gas configurations. Models output (kw) fuel hw220 64.4 congratulations! You have purchased the finest direct fired greenhouse heater available. Your new l.B. White heater incorporates the benefits from the most experienced manufacturer of heat...
For your safety if you smell gas: 1. Open windows. 2. Don't touch electrical switches. 3. Extinguish any open flame. 4. Immediately call your gas supplier. Warning fire and explosion hazard ■ not for home or recreational vehicle use. ■ installation of this heater in a home or recreational vehicle ma...
This owner's manual includes all options and accessories commonly used on this heater. However, depending on the configuration purchased, some options and accessories may not be included. When calling for technical service assistance, or for other s p e c i f i c i n fo r m a t i o n , a l way s h a...
Specifications hw220 propane natural fuel type gas gas maximum input (kw) 64.4 minimum input (kw) 35.1 exhaust fan 595 m3/hour shuttered air inlet 774 sq. Cm. 645 sq. Cm. Max. 3.36 2.74 min. 2.74 1.74 max. 1.25 0.77 min. 0.35 0.2 max. 4.61 kg. 6.23 m3 min. 2.52 kg. 3.40 m3 ball bearing 372.8 watts 1...
■ propane (lp) gas and natural gas have a distinctive odor. Learn to recognize these odors. (reference fuel gas odor and odor fading sections above. ■ if you have not been properly trained in repair and service of propane (lp) gas and natural gas fueled heaters, then do not attempt to light heater, ...
1. Do not attempt to install, repair, or service this heater or the gas supply line unless you have continuing expert training and knowledge of gas heaters. Qualifications for service and installation of this equipment are as follows: a. To be a qualified gas heater service person, you must have suf...
Direct fired heaters discharge combustion by-products with the heated air in to the area being heated. These include co, co 2 , no, no 2 , and ethylene. These gases can result in harm to the worker or the plants. This greenhouse heater has been specificallyveloped for very low levels of these combus...
-- 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 ...
9 indoor ventilation requirements this heater requires a properly sized motorized air inlet shutter, flexible duct, and exhaust fan. All items must be installed when the heater is located within the greenhouse. These components, along with specific instructions, are provided in the indoor ventilatio...
Exhaust fan the exhaust fan must be located at an upper area of the end wall opposite from the heater, preferably in an area higher than the heater’s discharge. See fig. 5. The fan does not need to be directly in line to the heater. Ensure the exhaust fan is kept free of blockage. Fig. 5 as shipped,...
11 this heater features a two-stage gas control valve and a heat - ventilation switch. These features expand the capability of the heater to cost ef fectively maintain temperature and likewise enhance air circulation in the greenhouse when heating is not required. The two-stage gas control valve pro...
12 b. Single stage thermostat 1. Operate on first stage heat only. 2. Operate on second stage heat only. C building controller connections - heating (non-power contacts) 1. Operate on first stage heat only. 2. Operate on second stage heat only. Ind l1 hsi hsig l2 w psi fsi gv pso fsg c yellow blue r...
Manual shut-off valve, hose and regulator assembly regulator nipple valve, manual shut-off gas hose adapter sediment trap to control valve inlet regulator vent gas flo w 1. Always use approved pipe thread compound suitable for use with l.P. Gas or natural gas on the threaded connections. 2. Assemble...
For initial start-up after heater installation, read steps 1-6. For normal start-up, simply set the thermostat above room temperature. 1. Connect electrical cord to an approved electrical outlet. 2. Set thermostat to desired room temperature. 3. This heater has a manually operated toggle style selec...
15 1. Before cleaning, shut off all gas supply valves and disconnect electrical supply. 2. At least once a year give the heater a thorough cleaning, preferably before the beginning of the fall heating season. At that time, remove the fan and motor assembly and brush or blow off the fan wheel. Additi...
16 1. Close the fuel supply valve to the heater and disconnect the electrical supply before servicing unless necessary for your service procedure. 2. Open end panels for access to heater components. 3 disconnect the appropriate electrical leads for the component being replaced. 4. The thermostat, an...
17 air proving switch switch w/ paddle leads nuts paddle oblong hole housing side panel 1. Remove two sheet metal screws holding air proving switch blower housing. Remove assembly by turning switch assembly 90 degrees so the switch paddle can be pulled through oblong hole on side of fan housing. See...
■ the following explains a typical procedure to be followed in checking gas pressures. ■ consult the dataplate on the heater or page 4 in this manual for specific pressures to be used in conjunction with this procedure. The gas pressures will var y depending upon fuel type. ■ gas pressure measured a...
19 1. Remove the sensor from its mounting bracket. Clean the sensor’s rod with emery cloth or steel wool to buildup of dirt to help maintain proper flame sense. See fig. 17. 2. Check the flame sensor’s insulative base for any cracks. If cracks are found, replace the sensor. Fig. 17 ■ for proper flam...
Troubleshooting instructions read this entire section before beginning to troubleshoot problems. The following troubleshooting guide provides systematic procedures for isolating equipment problems. This guide is intended for use by a qualified gas heater service person. Do not attempt to service the...
Led constant on normal operation hea ting mode problem l ed l ight n ot on is pr oper v oltage supplied t o heat er? Is select or switch set t o hea t? Check data plat e f o r electrical supply req uirments. Pr o vide pr oper v oltage, contact electrician. Ye s no ye s ye s ye s def ectiv e wire or ...
22 problem led flashing one t ime flash pattern begins immediately after condition occurs. Rapid flash r e v e rse polarity . Ha v e electrician check neutral and ho t wire connections that outlet heat er is connect ed t o . Long flash tw o seconds on, tw o seconds of f repe titiv ely for 1 5 minut ...
23 two times flash patt ern begins 12 seconds af te r condition occur s. (patt ern indicat es lac k of air pr o ving in fan section of unit.) are air -pr o ving switch contacts stuck open? (p er form continuity check .) does fan mo tor star t up for prepurge during initial call for heat? Is f an whe...
24 three times ignition failure heat er does no t light or s ta y lit. Is lp tank full and pr operly sized and are all gas supply v alv es t o heat er open? Fill tank or resize if necessar y. Open all gas supply v alv es ye s no is pr oper gas pressure supplied to heat er? Ye s are 2 4 v olts sent f...
25 problem motor does n ot run is heat er connect ed t o electrical supply? Is select or switch set t o vent? Connect heat er t o electrical supply . Mo v e the select or switch to the vent position. Ye s no ye s ye s is pr oper v oltage supplied fr om select or switch to mo tor? R eplace select or ...
26 electrical connection and ladder diagram 115 volt supply.
27 230 volt supply transformer 24 vol t 120 vol t.
28 heater component function air proving switch safety device used to insure that the proper air flow is being achieved before the gas valve is opened. Burner cast iron component used to channel gas and provide an area at which the fuel may ignite. Burner orifice brass metering device used to feed g...
Parts identification parts schematic 29 39 40 41 26 38 25 21 29 27 31 37 36 35 34 33 14 13 15 18 20 19 16 17 6 7 8 9 10 11 12 4 3 2 1 5 28 24 23 22 32 30
30 parts identification parts list item description part number 1 regulator lp gas 06553 natural gas 24414 2 valve, manual shut off with nipple 03399 3 hose, 1/2 x 10 ft., rigid x swivel 20714 4 adapter, hose, 1/2 npt x 1/2 nps 25873 5 kit, sediment trap 00815 6 screw (2) 572502 7 bracket with screw...
Contact your local l.B. White dealer for replacement parts and service or call the l.B. White co., inc. At (800) 345-7200 for assistance. Be sure that you have your heater model number and configuration number when calling. Warranty policy replacement parts and service heater parts l.B. White co., i...
