Instruction/ maintenance manual of the product MHIR20NGT Enerco
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Installation instructions and Owner’s Manual 1 UNVENTED NA TURAL GAS FIRED ROOM HEA TER Blue Flame Heaters Plaque Heaters Model # Burn Rate Model # Burn Rate MHBF10NG/TSBF10NG 10,000 Btu/hr MHIR10NG.
2 Installation instructions and Owner’s Manual 70574 REV . C 8/05 This appliance may be installed in an aftermarket* permanently manufactured (mobile) home, where not prohibited by local codes.This appliance is only for use with the type of gas indicated on the rating plate.
Installation instructions and Owner’s Manual 3 Product Features Figure 1 SAFETY DEVICE This heater has a pilot with an Oxygen Depletion Sensor (ODS) safety shut off system. The ODS/pilot shut s off the heater if there is not enough fresh air . IGNITION SYSTEM PIEZO: BF10NG / IR10NG – The heater is equipped with a piezo manual ignitor .
4 Installation instructions and Owner’s Manual 70574 REV . C 8/05 *Adjoining rooms are communication only if there are doorless passageways or ventilation grills between them. DETERMINING THE TYPE OF HEA TER LOCA TION SP ACE: Use this method to determine if you have a confined or unconfined space.
Installation instructions and Owner’s Manual 5 Figure 3. V entilation from Outdoors If necessary provide extra fresh air by using ventilation grills or ducts. Connect these items directly to the outdoors or sp aces open to the out doors. These include attics* and crawl spaces.
6 Installation instructions and Owner’s Manual 70574 REV . C 8/05 Figure 4 F ASTENING HEA TER TO W ALL Mounting Bracket The mounting bracket in located on the back panel of heater (see figure 5). It has been taped there for ship- ping. Remove mounting bracket from back panel.
Installation instructions and Owner’s Manual 7 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 8 below . Figure 8. 3. Insert wall anchor (wings first) into hole.
8 Installation instructions and Owner’s Manual 70574 REV . C 8/05 W ARNING: This appliance requires a 3/8” NPT (National Pipe Thread) inlet connection to the pressure regulator . Use of floor mounting feet will require you to use a 3/8 NPT street elbow to make gas connection.
Installation instructions and Owner’s Manual 9 Pressure T esting Heater Gas Connections: 1. Make sure that the heater supply piping system is connected and has been leak tested as described above. 2. Make sure control knob of heater is in OFF position.
10 Installation instructions and Owner’s Manual 70574 REV . C 8/05 C. Use only your hand to push in or turn the gas control knob. Never use tools. It knob will not push in or turn by hand, don’t try to repair it; call a qualified service technician or gas supplier .
Installation instructions and Owner’s Manual 11 TO TURN OFF GAS T O APPLIANCE SHUTTING OFF HEA TER: 1. T urn control knob clockwise to the OFF posi- tion. 2. T urn of f all electrical power to the appliance if servicing is to be preformed. 3. T urn of f equipment shutof f valve.
12 Installation instructions and Owner’s Manual 70574 REV . C 8/05 8. When the pilot is lit, turn control know counter- clockwise to heating level. The main burner should light. 9. T o select the desired heat level, turn the tem- perature setting knob counterclockwise to between 1 & 7.
Installation instructions and Owner’s Manual 13 Figure 24b CLEANING AND MAINTENANCE W ARNING: T urn of f heater and let cool before servicing. CAUTION: Y ou must keep control areas, burner and circulation air passageways of heater clean. Inspect these areas of heater before use.
14 Installation instructions and Owner’s Manual 70574 REV . C 8/05 TROUBLESHOOTING NOTE: All troubleshooting items are listed in order of operation and likely occurrence. W ARNING: Only a qualified service person should service and rep air heater . CAUTION: Never use a wire needle, or similar object to clean ODS/pilot.
Installation instructions and Owner’s Manual 15 TROUBLESHOOTING 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 you gas supplier from a neighbor ’s phone.
16 Installation instructions and Owner’s Manual 70574 REV . C 8/05 SPECIFICA TIONS IR10NG IR20NGT IR30NGT BTU (Available) 10,000 20,000 30,000 T ype of Gas Natural Gas Only Natural Gas Only Natural Gas Only Ignition Piezo Battery ignitor (1-AA) Battery ignitor (1-AA) Pressure Regulator Setting 4.
Installation instructions and Owner’s Manual 17 REPLACEMENT P ARTS Note: use only original replacement part s. This will protect you warranty coverage for p arts replaced under warranty . P ARTS UNDER W ARRANTY Contact authorized dealer from whom you purchased this product.
18 Installation instructions and Owner’s Manual 70574 REV . C 8/05 Thermostat models MHIR20NGT , MHIR30NGT , MHBF20NGT , MHBF30NGT , TSIR20NGT , TSIR30NGT , TSBF20NGT , TSBF30NGT 7 2 20-2 36 39 38 3.
Installation instructions and Owner’s Manual 19 P ARTS LIST Thermostat models MHIR20NGT , MHIR30NGT , MHBF20NGT , MHBF30NGT , TSIR20NGT , TSIR30NGT , TSBF20NGT , TSBF30NGT This list contains replacement p arts used in your heater . When ordering part s, follow the instructions listed under Replacement Parts on p age 17 of this manual.
20 Installation instructions and Owner’s Manual 70574 REV . C 8/05 28-1 70670 — — --- Orifice, 20, IR 3 28-2 — 70671 — — Orifice, 20, BF 1 29 70683 70683 70683 70683 Fan 1 30 70684 70684 7.
Installation instructions and Owner’s Manual 21 NON-Thermostat models MHIR10NG , MHBF10NG , TSIR10NG , TSBF10NG 16-2 16-1 16 21 20-2 40 38 36 20-1 22-2 35 29-1 4 33-1 22-1 1-4 1-2 1-1 1-3 23 2 24 5 .
22 Installation instructions and Owner’s Manual 70574 REV . C 8/05 P ARTS LIST Non-Thermostat model MHIR10NG , MHBF10NG , TSIR10NG , TSBF10NG This list contains replacement p arts used in your heater . When ordering part s, follow the instructions listed under Replacement Parts on page 17 of this manual.
Installation instructions and Owner’s Manual 23 36 70336 --- Bracket, Botto m, Plenum Assembly 1 38 70677 --- Burner Plaques, 10 2 40 70678 --- Plaque Gasket, 10 2 42 70337 70337 Control V alve Knob.
24 Installation instructions and Owner’s Manual 70574 REV . C 8/05 W ARRANTY INFORMA TION Keep this warranty Model ______________________ Serial No. ___________________ Date Purchased _______________ Always specify model and serial numbers when communication with the factory .
An important point after buying a device Enerco MHIR20NGT (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Enerco MHIR20NGT 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 Enerco MHIR20NGT - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Enerco MHIR20NGT you will learn all the available features of the product, as well as information on its operation. The information that you get Enerco MHIR20NGT will certainly help you make a decision on the purchase.
If you already are a holder of Enerco MHIR20NGT, 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 Enerco MHIR20NGT.
However, one of the most important roles played by the user manual is to help in solving problems with Enerco MHIR20NGT. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Enerco MHIR20NGT 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
