Instruction/ maintenance manual of the product VMH26TNC Vanguard
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For more information, visit www .desatech.com W ARNING: If the information in this manual is not .
www .desatech.com 1 131 1 1-01H 2 SAFETY T ABLE OF CONTENTS Safety .................................................................. 2 Local Codes......................................................... 4 Product Identication ....................
www .desatech.com 1 131 1 1-01H 3 this heater or its controls can W ARNING: Do not.
www .desatech.com 1 131 1 1-01H 4 SAFETY Continued 10. This repl ace needs fres h air venti lati on to run proper ly . This repla ce has an Oxy gen Depletion Sensing (ODS) safety shutoff system. The ODS shuts down the re - place if not enough fresh air is available.
www .desatech.com 1 131 1 1-01H 5 PRODUCT FEA TURES ASSEMBL Y Figure 2 - Assembling Fireplace Log Screen Burner Support with Log Locator T abs Branch Support Shoulder Screw This replace has a pilot with an Oxygen Depletion Sensing (ODS) safety shutoff system.
www .desatech.com 1 131 1 1-01H 6 ASSEMBL Y Continued 1. Lo cat e fou r b lac k phi lli ps s he et met al screws from the hardware packet. 2. Rotate hood as shown in Figure 3. Make sure hood tabs point toward replace.
www .desatech.com 1 131 1 1-01H 7 .
www .desatech.com 1 131 1 1-01H 8 W ARN IN G: If th e ar ea in wh ic h .
www .desatech.com 1 131 1 1-01H 9 INST ALLA TION IMPORT ANT : V ent-free replaces add mois - ture to the air . Although this is benecial, installing replace in rooms without enough ventilation air may cause mildew to form from too much moisture.
www .desatech.com 1 131 1 1-01H 10 W ARNING: Maintain the minimum clearances shown .
www .desatech.com 1 131 1 1-01H 11 IMPORT ANT : When nishing your rebox, combustible materials W ARNING: Do not allow any .
www .desatech.com 1 131 1 1-01H 12 W ARNING: Never modify or cover the louvered slots on the .
www .desatech.com 1 131 1 1-01H 13 INST ALLA TION Continued 9. Check all gas connections for leaks. See Checking Gas Connections, page 18. 1 0 . Carefully insert fireplace into cabinet mantel (see Figure 13). Be careful not to scratch or damage hearth base or cabinet mantel.
www .desatech.com 1 131 1 1-01H 14 INST ALLA TION Continued Figure 16 - Removing V alve Cover Shield 1 2 Remove Screw V alve Cover Shield Shoulder Screw Branch Support Snap Bushings Bottom Louver Assembly 4. Carefully disconnect green and white wires at their insulated connectors.
www .desatech.com 1 131 1 1-01H 15 INST ALLA TION Continued Figure 18 - Installing Switch Plate to V alve Cover Shield Switch Plate Screw V alve Cover Shield .
www .desatech.com 1 131 1 1-01H 16 INST ALLA TION Continued - .
www .desatech.com 1 131 1 1-01H 17 INST ALLA TION Continued Inst alla tion must incl ude an equipme nt shutof f valve, union, and plugged 1/8" NPT tap. Lo - cate NPT tap within reach for test gauge hook up. NPT tap must be upstream from replace (see Figure 22).
www .desatech.com 1 131 1 1-01H 18 INST ALLA TION Continued .
www .desatech.com 1 131 1 1-01H 19 INST ALLA TION Continued CONNECTIONS 1. Op en equ ip men t s hut of f v al ve (se e Fi gur e 25, page 18). 2. Open main gas valve located on or near gas meter for natural gas or open pro - pane/LP supply tank valve.
www .desatech.com 1 131 1 1-01H 20 Note: If pilot does not stay lit, refer to T roubleshooting, page 24. Also contact a qua li ed ser vic e perso n or gas supp lie r for repairs. Until repairs are made, light pilot with match. T o light pilot with match, see Manual Lighting Procedure, page 21.
www .desatech.com 1 131 1 1-01H 21 TO TURN OFF GAS Shutting Off Fireplace 1. T urn control knob clockwise to the OFF position. 2. T urn off all electric power to the appliance if service is to be performed. 3. Clo se equ ipm en t shut of f val ve (see Figur e 25, page 18).
www .desatech.com 1 131 1 1-01H 22 Thermocouple Pilot Burner Figure 31 - Correct Pilot Flame Pattern (Propane/LP Shown) Thermocouple Pilot Burner Figure 32 - Incorrect Pilot Flame Pattern (Propane/LP Shown) Figure 33 shows a correct burner ame pat - tern.
www .desatech.com 1 131 1 1-01H 23 CLEANING AND MAINTENANCE 4. Check injector holder located at end of burner tube again. Remove any large particles of dust, dirt, lint, or pet hair with a soft cloth or vacuum cleaner nozzle. 5. Blow air into primary air holes on injector holder .
www .desatech.com 1 131 1 1-01H 24 TROUBLESHOO TING .
www .desatech.com 1 131 1 1-01H 25 1 . Control knob not fully pressed in 2. Control knob not pressed in long enough 3. Safety interloc k system has been triggered 4. Equi pme nt shutof f val ve not fully open 5.
www .desatech.com 1 131 1 1-01H 26 TROUBLESHOO TING Continued 1. Residues from manufac tur- ing processes 1. Turning control knob to HI position when burner is cold 2. Air in gas line 3. Air passageways on re - place blocked 4.
www .desatech.com 1 131 1 1-01H 27 .
www .desatech.com 1 131 1 1-01H 28 SERVICE HINTS • pilot will not stay lit • burner will have delayed ignition.
www .desatech.com 1 131 1 1-01H 29 ACCESSORIES Option al four-s ided perimete r trim kit for custom and recessed installations (when unit is on the oor).
www .desatech.com 1 131 1 1-01H 30 P ARTS 23 29 40 32 36 38 13 7 8 33 40 1 1 10 4 7 30 1 3.
www .desatech.com 1 131 1 1-01H 31 P ARTS This list contains replaceable parts used in your replace. When ordering parts, follow the instructions listed under Replacement Parts on page 28 of this manual.
113111 01 1 131 1 1-01 Rev . H 09/08 NOT A UPC DESA Heating, LLC 2701 Industrial Drive Bowling Green, KY 42101 www .desatech.com 1-866-672-6040 WARRANTY KEEP THIS WARRANTY DESA HEA TING, LLC LIMITED W.
An important point after buying a device Vanguard VMH26TNC (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Vanguard VMH26TNC yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Vanguard VMH26TNC - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Vanguard VMH26TNC you will learn all the available features of the product, as well as information on its operation. The information that you get Vanguard VMH26TNC will certainly help you make a decision on the purchase.
If you already are a holder of Vanguard VMH26TNC, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Vanguard VMH26TNC.
However, one of the most important roles played by the user manual is to help in solving problems with Vanguard VMH26TNC. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Vanguard VMH26TNC along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
