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107886-01J

10

INSTALLATION

Continued

Attaching Mounting Bracket To Wall

Note:

 Wall anchors, mounting screws and spacers 

are in hardware package. The hardware package 

is provided with heater.

Attaching To Wall Stud Method

For attaching mounting bracket to wall studs
1.  Drill holes at marked locations using 9/64" 

drill bit.

2.  Place mounting bracket onto wall. Line up last 

hole on each end of bracket with holes drilled 

in wall.

3.  Insert mounting screws through bracket and 

into wall studs.

4.  Tighten  screws  until  mounting  bracket  is 

firmly fastened to wall studs.

Attaching To Wall Anchor Method

For attaching mounting bracket to hollow walls 

(wall areas between studs) or solid walls (concrete 

or masonry)
1.  Drill holes at marked locations using 5/16" 

drill bit. For solid walls (concrete or masonry), 

drill at least 1" deep.

2.  Fold wall anchor as shown in Figure 9.
3.  Insert wall anchor (wings first) into hole. Tap 

anchor flush to wall.

4.  For thin walls (1/2" or less), insert red key 

into wall anchor. Push red key to “pop” open 

anchor wings (see Figure 10).

 

IMPORTANT: 

Do not hammer key!

 

For thick walls (over 1/2" thick) or solid walls, 

do not pop open wings.

Figure 9 - Folding Anchor

Figure 11 - Mounting Heater Onto 

Mounting Bracket

Stand-
Out Tab

Figure 10 - Popping Open Anchor Wings 

For Thin Walls

Mounting Bracket (attached to wall)

Horizontal Slots

5.  Place mounting bracket onto wall. Line up 

last hole on each end of bracket with wall 

anchors.

6.  Insert mounting screws through bracket and 

into wall anchors.

7.  Tighten  screws  until  mounting  bracket  is 

firmly fastened to wall.

Placing Heater On Mounting Bracket

1.  Locate two horizontal slots on back panel 

of heater.

2.  Place  heater  onto  mounting  bracket.  Slide 

horizontal slots onto stand-out tabs on mount-

ing bracket.

Installing Bottom Mounting Screws

1.  Locate two bottom mounting holes. These 

holes are near bottom on back panel of heater 

(see Figure 12).

2.  Mark screw locations on wall.
3.  Remove heater from mounting bracket.

Figure 12 - Installing Bottom Mounting 

Screws

Side View

Front View

Wall

Spacer

Heater

Summary of Contents for VP20BT

Page 1: ...other appliance WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electrical switch do not use any phone in your building Immediatelycallyourgassupplierfromaneighbor s ph...

Page 2: ...ng plate This appliance is not convert ible for use with other gases Aftermarket Completion of sale not for purpose of resale from the manufacturer TABLE OF CONTENTS Safety Information 3 Local Codes 4...

Page 3: ...o high temperatures the appliance should be located out oftraf candawayfromfurniture and draperies Do not place clothing or other ammable material on or near the appliance Never place any objects on t...

Page 4: ...o cal codes In the absence of local codes use the latest edition of National Fuel Gas Code ANSI Z223 1 NFPA 54 Available from American National Standards Institute Inc 1430 Broadway New York NY 10018...

Page 5: ...e air that leaks around doors and windows may provide enough fresh air for combustion and ventilation However in buildings of unusually tight construction you must provide additional fresh air Unusual...

Page 6: ...rect vent draws combustion air from the outdoors and vents to the outdoors Example Gas water heater ______________ Btu Hr Vent free heater _____________ Btu Hr Total _____________ Btu Hr 40 000 20 00...

Page 7: ...t air into attic if attic has a thermostat controlled power vent Heated air entering the attic will activate the power vent Figure 3 Ventilation Air from Outdoors Figure 2 Ventilation Air from Inside...

Page 8: ...es of the heater as a replace insert in high traf c areas in windy or drafty areas CAUTION This heater cre ates warm air currents These currents move heat to wall sur faces next to heater Installing h...

Page 9: ...Attaching to Wall Stud This method provides the strongest hold Insert mounting screws through mounting bracket and into wall studs Attaching to WallAnchor This method allows you to attach mounting bra...

Page 10: ...r ush to wall 4 For thin walls 1 2 or less insert red key into wall anchor Push red key to pop open anchor wings see Figure 10 IMPORTANT Do not hammer key For thick walls over 1 2 thick or solid walls...

Page 11: ...3 For carpeted oors make a small cut with a sharp knife at marked locations prior to drill ing If mounting base to a wood oor drill 1 8 inch diameter hole 3 4 inch deep Do not use anchors in wood oor...

Page 12: ...in Figure 15 Locate sediment trap where it is within reach for cleaning Locate sediment trap where trapped matter is not likely to freeze A sediment trap traps moisture and contaminants This keeps the...

Page 13: ...by either opening propane LP supply tank valve for propane LP gas or opening main gas valve located on or near gas meter for natural gas or using compressed air 3 Check all joints from gas meter for n...

Page 14: ...de Pilot Burner Thermocouple OPERATING HEATER FOR YOUR SAFETY READ BEFORE LIGHTING WARNING If you do not fol low these instructions exactly a re or explosion may result causing property damage per son...

Page 15: ...lbetween1 and 5 Selecting the 5 setting will cause the burner to remain fully on without modulating down in most cases Note The thermostat sensing bulb measures the temperature of air near the heater...

Page 16: ...e of dust and dirt To clean these parts we recommend using compressed air no greater than 30 PSI Your local computer store hardware store or home center may carry compressed air in a can You can use a...

Page 17: ...25 x 7 24 25 x 25 75 x 7 Carton 26 25 x 21 25 x 9 26 25 x 29 x 9 Weight pounds Heater 20 28 Shipping 25 33 SERVICE HINTS When Gas Pressure Is Too Low pilot will not stay lit burner will have delayed i...

Page 18: ...on 4 Air in gas lines when in stalled 5 Depleted gas supply propane LP gas only 6 ODS pilot is clogged 7 Gas regulator setting is not correct OBSERVED PROBLEM When ignitor button is pressed there is n...

Page 19: ...Burner back ring during combustion Yellow ame during burner combustion Slightsmokeorodorduringinitial operation REMEDY 1 Press in control knob fully 2 AfterODS pilotlights keepcon trol knob pressed in...

Page 20: ...ly propane LP gas only 3 Gas leak See Warning statement above 1 Not enough fresh air is available 2 Low line pressure 3 ODS pilot is partially clogged OBSERVED PROBLEM Heaterproducesawhistlingnoise wh...

Page 21: ...0 When calling DESA Heating Products have ready your name your address model and serial numbers of your heater how heater was malfunctioning type of gas used propane LP or natural gas purchase date Us...

Page 22: ...www desatech com 107886 01J 22 ILLUSTRATED PARTS BREAKDOWN MODELS VN20BT VP20BT VN30BT VP30BT 2 3 5 6 8 9 10 10 11 12 13 14 16 18 19 4 7 1 15 17 20...

Page 23: ...01 Nut M5 2 11 110803 01 110803 02 110803 01 110803 02 ODS Pilot Assembly 1 110186 01 110186 01 110186 01 110186 01 Thermocouple Kit 1 12 103446 01 103446 01 103447 01 103447 01 Burner 1 13 099387 03...

Page 24: ...intenance or defects caused by improper installation Travel diagnostic cost labor transportation and any and all such other costs related to repairing a defective heater will be the responsibility of...

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