Modine Manufacturing HDC 100 Installation and service manual

Manual is about: Separated Combustion Gas-fired Unit Heaters model HDS and HDC

Summary of HDC 100

  • Page 1

    This manual is the property of the owner. Please be sure to leave it with the owner when you leave the job. Inspection on arrival 1. Inspect unit upon arrival. In case of damage, report it immediately to transportation company and your local modine sales representative. 2. Check rating plate on unit...

  • Page 2: Danger

    Special precautions 2 special precautions the installation and maintenance instructions in this manual must be followed to provide safe, efficient and trouble-free operation. In addition, particular care must be exercised regarding the special precautions listed below. Failure to properly address th...

  • Page 3: Caution

    6-584.3 before you begin in the u.S., the installation of these units must comply with the “national fuel gas code,” ansi z223.1, latest edition (also known as nfpa 54) and other applicable local building codes. In canada, the installation of these units must comply with local plumbing or waste wate...

  • Page 4: Caution

    6-584.3 unit location location recommendations 1. When locating the heater, consider general space and heating requirements, availability of gas and electrical supply, and proximity to vent locations. 2. When locating units, it is important to consider that the combustion air and exhaust vent piping...

  • Page 5: Caution

    5 6-584.3 1. Be sure the means of suspension is adequate to support the weight of the unit (see page 16 for unit weights). 2. For proper operation, the unit must be installed in a level horizontal position. 3. Clearances to combustibles as previously specified must be strictly maintained. 4. For mod...

  • Page 6: Warning

    6 6-584.3 model hds/hdc unit heaters must be vented with the proper passageway as described in these instructions to convey flue gases from the unit or the vent connector to the outside atmosphere. The heaters must also have a separate combustion air intake pipe to bring in fresh air for combustion ...

  • Page 7

    6-584.3 jurisdiction type b vent may be used for the last section of vent pipe to maintain clearance to combustibles while passing through wall or floor. See figure 6.1. Any material used to close the opening must be noncombustible. A11. All seams and joints of the single wall pipe must be sealed wi...

  • Page 8

    8 6-584.3 installation - venting "h" min* 12" min recommended 4" min roof pitch is: x / 12 minimum distance to adjoining wall or building is 2 feet. Refer to table 8.1 for "h" dimension. "h" min* (see table 8.1) tee with drip leg and cleanout cap (slope 1/4" per foot downward toward drip leg) combus...

  • Page 9

    9 6-584.3 section c – horizontal 2-pipe vent system installation c1. This section applies to horizontally vented 2-pipe vent systems (one combustion air inlet pipe and one vent pipe) and is in addition to “section a – general instructions – all units”. C2. Horizontal vent systems terminate horizonta...

  • Page 10: Caution

    10 6-584.3 installation - venting section d – concentric vent system installation d1. This section applies to both horizontally and vertically vented concentric vent systems as defined in “section a – general instructions – all units”, and is in addition to the instructions in that section. D2. When...

  • Page 11

    11 6-584.3 installation - venting d9. Slide the combustion air pipe over the vent pipe and attach to the air inlet of the concentric adapter box, as shown in figure 11.1, using at least 3 corrosion resistant sheet metal screws. Seal the joint and seam using sealant suitable for temperatures up to 40...

  • Page 12: Warning

    12 6-584.3 installation - gas connections warning 1. All field gas piping must be pressure/leak tested prior to operation. Never use an open flame. Use a soap solution or equilavent for testing. 2. Gas pressure to appliance controls must never exceed 14" w.C. (1/2 psi). 3. To reduce the opportunity ...

  • Page 13: Warning

    13 6-584.3 electrical connections all field installed wiring must be done in accordance with the national electrical code ansi/nfpa 70 – latest edition or canadian electrical code csa c22.1 part 1 or local codes. Unit must be electrically grounded according to these codes. If any of the original wir...

  • Page 14: Important

    14 6-584.3 installation - operation operation prior to operation although this unit has been assembled and fire-tested at the factory, the following pre-operational procedures should be performed to assure proper on-site operation. 1. Turn off power to the unit at the disconnect switch. Check that f...

  • Page 15

    15 6-584.3 figure 15.2 - unit heater rear view control operating sequence / unit components upon a call for heat from the thermostat, power is supplied to the power exhauster motor. The unit will go through a purge period and then the direct spark igniter will be energized. At the same time, the mai...

  • Page 16

    16 6-584.3 dimensions / general performance data - hds/hdc dimensions (inches) propeller model size - hds blower model size - hdc 30 45 60 75 100 125 60 75 100 125 btu/hr input 30,000 45,000 60,000 75,000 100,000 125,000 60,000 75,000 100,000 125,000 btu/hr output 24,000 36,000 48,000 60,000 80,000 ...

  • Page 17: Caution

    17 6-584.3 service / maintenance / troubleshooting general maintenance the unit and venting system must be checked once a year by a qualified service technician. All installation and service of these units must be performed by a qualified installation and service agency. Before any service, be sure ...

  • Page 18

    18 6-584.3 unit wiring figure 18.1 - unit heater wiring diagram since internal or factory wiring may vary depending on the controls manufacturer, the wiring diagrams must be appropriately selected with the proper gas valve and ignition type. The following wiring diagram represents a unit equipped wi...

  • Page 19

    6-584.3 19 replacement parts when requesting parts please contact your local representative. Please have full model and serial number available. If you require assistance in locating your representative, please call the number located on the back page. Serial & model number / replacement parts figur...

  • Page 20

    Commercial products group modine manufacturing company 1500 dekoven avenue racine, wi 53403 phone: 1.800.828.4328 (heat) www.Modine.Com litho in usa © modine manufacturing company 2010 commercial warranty seller warrants its products to be free from defects in material and workmanship, exclusive, ho...