Instruction/ maintenance manual of the product VF-24N-MHD Design Dynamics
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For more information, visit www .fmiproducts.com W ARNING: If the information in this manual is not .
www .fmiproducts.com 1 16986-01H 2 W ARNING: This is an - .
www .fmiproducts.com 1 16986-01H 3 - .
www .fmiproducts.com 1 16986-01H 4 1. This applia nce is only for use with the type of gas indicated on the rating plate. This appliance is not convertible for use with other gases. 2. Do not place propane/LP supply tank(s) in - side any structure. Locate propane/LP supply tank(s) outdoors (propane/LP units only).
www .fmiproducts.com 1 16986-01H 5 Figure 1 - Product Identication PRODUCT IDENTIFICA TION State of Massachusetts: The installa - tion must be made by a licensed plumber or gas fitter in the Commonwealth of Massachusetts.
www .fmiproducts.com 1 16986-01H 6 While it is good to make your home energy ef - cient, your home needs to breathe. Fresh air must enter your home.
www .fmiproducts.com 1 16986-01H 7 AIR FOR COMB USTION AND VENTILA TION Continued Example: Gas water heater __________ Btu/Hr V ent-free replace+ __________ Btu/Hr T otal= __________ Btu/Hr 4. Compare the maximum Btu/Hr the space can support with the actual amount of Btu/Hr used.
www .fmiproducts.com 1 16986-01H 8 INST ALLA TION W ARNING: Never install the heater .
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www .fmiproducts.com 1 16986-01H 10 Figure 6 - Minimum Mantel Clearances Without Using Hood Minimum Noncombustible Material Minimum Noncombustible Material Height Distances to Underside of Mantel T o .
www .fmiproducts.com 1 16986-01H 11 MANTEL CLEARANCES In addition to meeting noncombustible mate- rial clearances, you must also meet required clearances between replace openings and mantel shelf on each side of the replace. If you do not meet the clearances listed below , you will need a hood.
www .fmiproducts.com 1 16986-01H 12 .
www .fmiproducts.com 1 16986-01H 13 wher e trapp ed matt er is not likely to freeze . A sediment trap traps moisture and contami - nant s. This keep s them fro m going into heat er cont rols . If sedi ment trap is not insta lled or is installed wrong, heater may not run properly .
www .fmiproducts.com 1 16986-01H 14 INST ALLA TION Continued Figure 13 - Equipment Shutoff V alve Open Closed Equipment Shutoff V alve Figure 15 - Checking Gas Joints for Propane/LP Gas Control V alve.
www .fmiproducts.com 1 16986-01H 15 OPERA TION Place Lava Rock and Small Decorative Logs in Front of Burner Figure 17 - Placement of Lava Rock INST ALLA TION Continued 4. Add lava rock and small decorative logs around base of heater if desired (see Figure 17).
www .fmiproducts.com 1 16986-01H 16 on automatically within one min - 6.
www .fmiproducts.com 1 16986-01H 17 OPERA TION Continued T o save battery power , press to turn main gas to pilot gas. Press the OFF button to shut off the device including pilot ame. The device can be shut off with ON/OFF switch, thus disabling remote hand set.
www .fmiproducts.com 1 16986-01H 18 1. Dis conn ect igni tor cabl e from rece iver and connect to Piezo Ignitor T ab (see Figure 19 and Wiring Diagram on page 24). 2. STOP! Read safety information on page 15, 3.
www .fmiproducts.com 1 16986-01H 19 Thermocouple Thermocouple Figure 22 - Incorrect Pilot Flame Pattern (Natural Gas Pilot Shown) Figure 21 - Correct Pilot Flame Pattern (Natural Gas Pilot Shown) Figure 23 shows correct burner ame pat - tern.
www .fmiproducts.com 1 16986-01H 20 Figure 26 - Injector Holder on Front Burner Tube Burner T ube Primary Air Inlet Opening Injector Holder Injector Figure 25 - Removing Front Log to Clean Front Burne.
www .fmiproducts.com 1 16986-01H 21 TROUBLESHOO TING .
www .fmiproducts.com 1 16986-01H 22 TROUBLESHOO TING Continued Delayed ignition burner Burner backfiring during combustion Orange ame in burner duri.
www .fmiproducts.com 1 16986-01H 23 TROUBLESHOO TING Continued .
www .fmiproducts.com 1 16986-01H 24 WIRING DIAGRAM SP ARK SP ARK Pilot 4 AA Batteries ON/OFF Switch Thermocurrent Interrupter Block SW SW TC TC Battery Compartment MA GR MO SW P ANEL Receiver Antenna .
www .fmiproducts.com 1 16986-01H 25 Purc hase these access ories from your local de al er . If th ey ca n no t su ppl y the se acc es sor ies call FMI PRODU CTS, LLC at 1-8 66-32 8-45 37 for information. Y ou can also write to the ad - dress listed on the back page of this manual.
www .fmiproducts.com 1 16986-01H 26 P ARTS .
www .fmiproducts.com 1 16986-01H 27 P ARTS This list contains replaceable parts used in your heater . When ordering parts, follow the instructions listed under Replacement Parts on page 25 of this manual.
1 16986-01 Rev . H 10/09 WARRANTY KEEP THIS WARRANTY FMI PRODUCTS, LL C LIMITED WARRANTIES Standard Warranty: FM I P RO DU CT S, L LC wa rr a nt s th is ne w pr od.
An important point after buying a device Design Dynamics VF-24N-MHD (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Design Dynamics VF-24N-MHD 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 Design Dynamics VF-24N-MHD - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Design Dynamics VF-24N-MHD you will learn all the available features of the product, as well as information on its operation. The information that you get Design Dynamics VF-24N-MHD will certainly help you make a decision on the purchase.
If you already are a holder of Design Dynamics VF-24N-MHD, 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 Design Dynamics VF-24N-MHD.
However, one of the most important roles played by the user manual is to help in solving problems with Design Dynamics VF-24N-MHD. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Design Dynamics VF-24N-MHD 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
