Instruction/ maintenance manual of the product ML300HBA Procom
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O WNER ’ S OPERA TION AND INST ALLA TION MANUAL W ARNING: Improper installation, adjustment, alteration, service or mainte- nance can cause injury or property damage. Refer to this manual for correct installation an d operational procedures. For assistance or additional info r mation consult a qualified installer, service agency, or gas supplier.
2 IMPORT ANT SAFETY INFORMA TION Keep the appliance area clear and free from combustible materials, gasoline, and other flammable vapors and liquids. 1. This appliance is only for use with the type of gas indicated on the rating plate. This appliance is not convertible f o r use with other gases.
3 PRODUCT FEA TURES SAFETY DEVICE A standard requirement for all vent-free room heaters. This heater has a pilot with an Oxyg en Depletion Sensor(ODS) safety shutoff system. The ODS/pilot shuts off the heater if there is not enough fresh air. PIEZO IGNITION SYSTEM This heater is equipped with a piezo ignitor.
4 FRESH AIR FOR COMBUSTION AND VENTILA TION PROVIDING ADEQUA TE VENTILA TION The following are excerpts from National Fuel Gas Code. NFP A 54/ ANS Z223.1, Section 5.3. Air for Combustion and V entilation. All spaces in homes fall into one of the three following ventilation classifications: 1.
5 W ARNING: Rework worksheet, add- ing the space of the adjoining unconfined space. The combined spaces must have enough fresh air to supply all appliances in both spaces. VENTILA TION AIR V entilation Air From Inside Building This fresh air would come from an adjoining unconfined space.
6 VENTILA TION AIR V entilation Air From Outdoors Provide extra fresh air by using ventilation grills or ducts: Y ou must provide two permanent openings: one within 12 " of the ceiling and one within 12 " of the floor. Connect these items directly to the outdoors or spaces open to the outdoors.
7 INST ALLA TION Figure 8 - Mounting Bracket Clearances Figure 7 - Removing Lower Front Panel Of Heater Figure 4 -Mounting Clearances As V iew From Front Of Heater W ARNING: Maintain the minimum clearances shown in Figure 4. If you can, provide greater clearances from floor, ceiling, and joining wall.
8 INST ALLA TION Figure 1 1 - Mounting Heater Onto Mounting Bracket Figure 9 - Folding Anchor Figure 10 - Popping Open Anchor Wing For Thin W alls Attaching Mounting Bracket to W all Note: W all anchors, mounting screws, and spacers are in hardware package.
9 INST ALLA TION CONNECTING TO GAS SUPPL Y W ARNING: A qualified service person must connect heater to gas supply. Follow all local codes. W ARNING: This appliance requires a 3/8 " NPT (National Pipe Thread) inlet connection to the pressure regulator.
10 Figure 15 -Equipment Shutoff V alve INST ALLA TION CHECKING GAS CONNECTIONS W ARNING: T est all gas piping and connections for leaks after installing or servicing. Correct all leaks at once. W ARNING: Never use an open flame to check for a leak. Apply a mixture of liquid soap and water to all joints.
11 Figure 17 - Control Knob In The OFF Position Figure 18 - Pilot OPERA TING YOUR HEA TER THERMOST A T MODELS LIGHTING INSTRUCTIONS 1. STOP! Read the safety information on the side of heater. 2. Check that gas supply to heater is on. 3. Push in gas control knob slightly and turn clockwise to th e OFF position.
12 OPERA TING YOUR HEA TER NON-THERMOST A T MODELS FOR YOUR SAFETY READ BEFORE LIGHTING W ARNING: If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. A. When lighting the pilot, follow these instructions exactly.
13 Figure 21 - Correct Pilot Flame Pattern Figure 22 - Incorrect Pilot Flame Pattern BURNER FLAME P A TTERN Figure 23 shows a correct burner flame pattern. Figure 24 shows an incorrect burner flame pattern. If pilot flame pattern is incorrect, as shown in Figure 24.
14 TROUBLESHOOTING Note : All troubleshooting items are listed in order of operation. W ARNING: Only a qualified service person should service and repair heater. CAUTION: Never use a wire, needle, or similar object to clean ODS/pilot. This can damage ODS/pilot unit.
15 TROUBLESHOOTING Continued OBSERVED PROBLEM Burner(s)does not light after ODS/pilot is lit. Delayed ignition of burner(s). Burner backfiring during combustion. Y ellow flame during burner combustio n. Slight smoke or odor during initial operation. Heater produces a whistling noise when burner is lit.
16 TROUBLESHOOTING Continued W ARNING: If you smell gas Shut off gas supply . Do not try to light any appliance. Do not touch any electrical switch; do not use any phone in your building. Immediately call your gas supplier from a neighbor’s phone.
17 SPECIFICA TIONS Note: Dimensions listed are outer most points on the heater (includes control knobs and grill). * For purposes of input adjustment. REPLACEMENT P ARTS Note: Use only original replacement parts. This will protect your warranty coverage for parts replaced under warranty.
18 ILLUSTRA TED P ARTS BREAKDOWN THERMOST A T MODELS ML200TBA ML300TBA.
19 P ARTS LIST THERMOST A T MODELS ML200TBA, ML300TBA This list contains replaceable parts for your heater. When ordering replacement parts, follow the instructions listed under Replacement Parts on page 17 of this manual. KEY NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 24-1 24-2 25 26 27 28 29 ML300TBA P ART NO.
20 ILLUSTRA TED P ARTS BREAKDOWN NON-THERMOST A T MODELS ML200HBA ML300HBA ODS/Pllot Assembly.
21 P ARTS LIST ML200HBA ML300HBA This list contains replaceable parts for your heater. When ordering replacement parts, follow the instructions listed under Replacement Parts on page 17 of this manual. KEY NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 28-1 28-2 29 30 31 32 33 ML300HBA P ART NO.
An important point after buying a device Procom ML300HBA (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Procom ML300HBA 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 Procom ML300HBA - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Procom ML300HBA you will learn all the available features of the product, as well as information on its operation. The information that you get Procom ML300HBA will certainly help you make a decision on the purchase.
If you already are a holder of Procom ML300HBA, 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 Procom ML300HBA.
However, one of the most important roles played by the user manual is to help in solving problems with Procom ML300HBA. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Procom ML300HBA 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
