Modine Manufacturing BTC Installation And Service Manual

Manual is about: high efficiency, separated combustion gas-fired unit heaters

Summary of BTC

  • 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 the transportation company and your local modine sales representative. 2. Check rating plate on ...

  • Page 2: Danger

    2 6-563.7 special precautions 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 ad...

  • Page 3: Caution

    6-563.7 in the u.S., the installation of these units must comply with the the national fuel gas code, ansi z223.1 (nfpa 54) - latest edition, or in other applicable local building codes. In canada, the installation of these units must comply with local plumbing or waste water codes and other applica...

  • Page 4: Danger

    6-563.7 location recommendations 1. When locating the heater, consider general space and heating requirements, availability of gas and electrical supply, and proximity to vent locations and condensate drain lines. 2. When locating units, it is important to consider that the combustion air and exhaus...

  • Page 5: Caution

    5 6-563.7 1. Be sure the means of suspension is adequate to support the weight of the unit (see pages 26 and 27 for unit weights). 2. For proper operation, the unit must be installed in a level horizontal position from front to back and side to side. 3. Clearances to combustibles as specified in tab...

  • Page 6: Warning

    6 6-563.7 section a - general instructions - all units a1. If the unit heater being installed is replacing existing equipment and using the existing vent system from that equipment, inspect the venting system for proper materials, size and horizontal pitch, as required in these instructions. Determi...

  • Page 7

    6-563.7 a12. For single wall galvanized combustion air inlet piping (model size 310 only), seal joints and seams with silicone sealant or 2 turns of metallic tape. Fasten individual lengths of vent together with at least 3 corrosion resistant sheet metal screws. A13. Do not install pvc pipe near hig...

  • Page 8

    8 6-563.7 section b - vertical vent system installation b1. This section applies to vertically vented 2-pipe (1 combustion air inlet pipe and 1 vent pipe) and concentric (single roof penetration) vent systems and is in addition to “section a - general instructions - all units”. B2. Vertical vent sys...

  • Page 9

    9 6-563.7 installation - venting figure 9.2 - vertical 2-pipe vent system for sloped roofs figure 9.1 - vertical 2-pipe vent system for flat roofs 12" x 4.5" minimum minimum height "h" based on table 9.2 to inlet opening vent outlet pipe combusion air inlet pipe for vent outlet opening distance abov...

  • Page 10

    10 6-563.7 drip leg for canada (alternate for us) (refer to note c3.C.) installation - venting figure 10.1 - horizontal venting system drip leg and condensate drain connections section c - horizontal vent system installation c1. This section applies to horizontally vented 2-pipe vent systems (1 comb...

  • Page 11

    11 6-563.7 installation - venting figure 11.1 - horizontal 2-pipe vent system combustion air inlet pipe vent pipe combustion air inlet pipe vent pipe 9" minimum from wall to vent terminal opening 18" minimum from vent terminal to combustion air inlet terminal opening 18" minimum from vent terminal t...

  • Page 12: Caution

    12 6-563.7 14" minimum from combustion air inlet pipe terminal vent pipe combustion air inlet pipe concentric vent adapter box combustion air inlet pipe termination guard 24" minimum to adjacent wall or building termination screen 1" from wall to combustion air inlet pipe terminal opening d3. Once t...

  • Page 13

    13 6-563.7 figure 13.1 - adapter box with combustion air intake pipe attached figure 13.3 - vacuum breaker example combustion air pipe attached (see dimension c) combustion air intake guard ➀ installation - venting & condensate drain d12. Attach the combustion air intake and vent pipe terminations a...

  • Page 14: Warning

    14 6-563.7 installation - gas connections gas connections 1. Installation of piping must conform with local building codes, or in the absence of local codes, with the national fuel gas code, ansi z223.1 (nfpa 54) - latest edition. In canada, installation must be in accordance with csa-b149.1. 2. Pip...

  • Page 15

    15 6-563.7 installation - high altitude accessory kit high altitude accessory kit altitude (ft) gas heating values at altitude (btu/ft 3 ) usa canada 0-2,000 1,050 1,050 2,001-3,000 929 945 3,001-4,000 892 4,001-4,500 874 4,501-5,000 856 856 5,001-6,000 822 822 6,001-7,000 789 789 7,001-8,000 757 75...

  • Page 16

    16 6-563.7 installation - high altitude accessory kit if the heating value of the gas being supplied is different than the values shown in tables 15.1 and 15.2, use the following equation to determine the appropriate manifold pressure for the altitude and gas heating value being supplied. Equation 1...

  • Page 17: Warning

    17 6-563.7 electrical connections warning 1. Disconnect power supply before making wiring connections to prevent electrical shock and equipment damage. 2. All appliances must be wired strictly in accordance with wiring diagram furnished with the appliance. Any wiring different from the wiring diagra...

  • Page 18: Impor T Ant

    18 6-563.7 when installing the heater, always follow good duct design practices for even distribution of the air across the heat exchanger. Recommended layouts are shown in figure 18.1. When installing blower units with ductwork the following must be done. 1. Provide uniform air distribution over th...

  • Page 19

    19 6-563.7 to install 1. Remove and discard the motor tie down strap and the shipping block beneath the motor adjustment screw (not used on all models.) 2. For 3 and 5 hp motors, affix sheave to the motor shaft and install motor on the motor mounting bracket. Install belt on blower and motor sheaves...

  • Page 20

    20 6-563.7 blower performance data - model btc table 20.1 - power code description - blower model btc -  table 20.2 - filter static pressure drop ‚ btc215 btc260 btc310 filter static ("w.C.) 0.1 0.1 0.1 calculated at 55°f atr, for blower units with enclosure and filter, add filter static to externa...

  • Page 21

    21 6-563.7 blower performance data - model btc table 21.1 - blower model btc215-310 - ‚ƒ table 21.2 - alternate drives for 115/230v 1 ph, 1 hp motors table 21.3 - alternate drives for 115/230v 1 ph, 1-1/2 hp motors ➀ outputs shown are for elevations up to 2000'. For elevations over 2000’, output ne...

  • Page 22: Important

    22 6-563.7 installation - 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 fuses or circuit breakers are ...

  • Page 23

    23 6-563.7 ➉ condensate drain overflow switch shuts down gas controls if condensate is not properly draining from the unit. Gas pipe connection easy access to factory installed gas pipe connection stubbed to outside of unit casing. Condensate drain connection easy access to factory installed condens...

  • Page 24

    24 6-563.7 general performance data - models ptc & btc table 24.1 - propeller unit heater model ptc general performance data table 24.2 - blower unit heater model btc general performance data ➀ ratings shown are for elevations up to 2,000'. For elevations above 2,000', ratings should be reduced at t...

  • Page 25

    25 6-563.7 figure 25.1 - 30°, 60°, & 90° deflector hoods h s s mounting height x y y z z x 60 downturn 30 downturn note: x = feet from heater to start of floor coverage y = feet to end of floor coverage z = feet to end of throw 60 30 30 downturn 60 downturn figure 25.2 - 30° & 60° hood throw/floor c...

  • Page 26

    26 6-563.7 dimensional data - model ptc table 26.1 - dimensions (inches) - ptc ➀ figure 26.1 - dimensional drawings - model ptc adjustable louvers (4) 3/8"-16 mtg holes condensate drain 3/4" pvc gas conn. Combustion air inlet vent outlet fan knockouts for supply power wiring conduit entrance access ...

  • Page 27

    27 6-563.7 dimensional data - model btc table 27.1 - dimensions (inches) - btc figure 27.1 - dimensional drawings - model btc adjustable louvers (6) 3/8"-16 mtg holes blower enclosure (optional) 14.90 3.56 (opening) v r (approx.) t x u q (min dist to wall) c e 4.88 7/8" s x n p w knockouts for suppl...

  • Page 28: Caution

    28 6-563.7 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 29

    29 6-563.7 service / maintenance / troubleshooting table 29.1 - troubleshooting trouble possible cause possible remedy unit does nothing 1. Power supply is off 1. Turn on main power (verify green light on 2. No 24v power to thermostat 2 a. Check control transformer side of junction box b. If failed ...

  • Page 30

    30 6-563.7 page intentionally left blank.

  • Page 31

    31 6-563.7 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. Model & serial number / replacement parts figur...

  • Page 32

    Modine manufacturing company 1500 dekoven avenue racine, wi 53403 phone: 1.800.828.4328 (heat) www.Modinehvac.Com © modine manufacturing company 2014 commercial warranty seller warrants its products to be free from defects in material and workmanship, exclusive, however, of failures attributable to ...