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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 unit to verify that power supply meets 

available electric power at the point of installation.

3.  Inspect unit upon arrival for conformance with description of 

product ordered (including specifications where applicable).

Table of Contents

Inspection on Arrival. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Special Precautions  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

SI (Metric) Conversion Factors  . . . . . . . . . . . . . . . . . . . . . . . . 3

Before You Begin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  3

Unit Location  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

  Combustible Material and Service Clearances  . . . . . . . . . . 4

  Unit Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Installation  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

   Venting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  6

  Venting & Condensate Drain  . . . . . . . . . . . . . . . . . . . . . . . 13

  Gas Connections  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

  High-Altitude Accessory Kit  . . . . . . . . . . . . . . . . . . . . . . . . 15

  Electrical Connections  . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

 Ductwork. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Performance Data  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Service/Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Model/Serial Number/Replacement Parts . . . . . . . . . . . . . . . 31

Commercial Warranty. . . . . . . . . . . . . . . . . . . . . . . . Back Cover

InsTAllATIon And servICe mAnuAl

high efficiency, separated combustion gas-fired unit heaters 

models PTC and BTC

6-563.7

5H0807150000

November, 2014

®

Effinity

93

, Conservicore Technology, and any combination of 

these names either together or with other words is trademarked 

by Modine Manufacturing Co. 

All models approved for use in California by the CEC and in 

Massachusetts. Unit heater is certified for residential (size 110 

and smaller only) and commercial applications. 

WARNING

1.  Improper installation, adjustment, alteration, 

service, or maintenance can cause property 

damage, injury, or death and could cause 

exposure to substances which have been 

determined by various state agencies to 

cause cancer, birth defects, or other 

reproductive harm. read the installation, 

operating, and maintenance instructions 

thoroughly before installing or servicing 

this equipment.

2.  do not locate AnY gas-fired units in areas 

where chlorinated, halogenated, or acidic 

vapors are present in the atmosphere. 

These substances can cause premature 

heat exchanger failure due to corrosion, 

which can cause property damage, serious 

injury, or death.

FOR YOUR SAFETY

WHAT To do If You smell gAs:

1. open windows.

2. do not try to light any appliance.

3.  do not touch any electrical switch; do  

not use any phone in your building.

4.  extinguish any open flame.

5.  Immediately call your gas supplier from a 

neighbor’s phone. Follow the gas supplier’s 

instructions. If you can not reach your gas 

supplier, call your fire department. 

FOR YOUR SAFETY

The use and storage of gasoline or other 

flammable vapors and liquids in open containers 

in the vicinity of this appliance is hazardous.

ImpORTANT

The use of this manual is specifically intended 

for a qualified installation and service agency.  

All installation and service of these units 

must be performed by a qualified installation 

and service agency.

model PTC

Summary of Contents for 215BTC260

Page 1: ...a by the CEC and in Massachusetts Unit heater is certified for residential size 110 and smaller only and commercial applications WARNING 1 Improper installation adjustment alteration service or maintenance can cause property damage injury or death and could cause exposure to substances which have been determined by various state agencies to cause cancer birth defects or other reproductive harm Rea...

Page 2: ... a hazard to persons and property WARNING 13 Any original factory wiring that requires replacement must be replaced with wiring material having a temperature rating of at least 105 C 14 Ensure that the supply voltage to the appliance as indicated on the serial plate is not 5 greater than or 5 less than the rated voltage 15 When servicing or repairing this equipment use only factory approved servic...

Page 3: ...ent adapter box must be installed inside of the structure or building Do not install this box on the exterior of a building or structure 15 Purging of air from gas supply line should be performed as described in the National Fuel Gas Code ANSI Z223 1 NFPA 54 latest edition or in Canada in CSA B149 codes 16 When leak testing the gas supply piping system the appliance and its combination gas control...

Page 4: ...uld be located within 15 of a primary support beam Smaller deflections typically result in reduced vibration and noise transmission DANGER Appliances must not be installed where they may be exposed to a potentially explosive or flammable atmosphere CAUTION important To prevent premature heat exchanger failure do not locate ANY gas fired appliances in areas where corrosive vapors i e chlorinated ha...

Page 5: ...hreaded rods to the preferred length place them through the holes in the steel channel or angle iron and secure with washers and lock nuts or lock washers and nuts A double nut arrangement can be used here instead of at the unit heater a double nut can be used both places but is not required Do not install standard unit heaters above the maximum mounting height shown in Tables 24 1 or 24 2 unit mO...

Page 6: ...n the pipe clamp to secure the vent pipe to the unit Vent pipe must not be smaller than the connector size A6 Attach the combustion air inlet pipe to the unit heater inlet air connection adapter with 3 corrosion resistant screws Drill pilot holes through the pipe and adapter prior to screwing in place Pipe must not be smaller than the connector size A7 Limit the total equivalent vent pipe length t...

Page 7: ... followed The following outlines the differences Vertical Vent System Determination Vertical vent systems terminate vertically up an example is shown in Figure 9 1 Determine the venting configuration as follows For 2 building penetrations through the roof 1 for the combustion air inlet pipe and 1 for the vent pipe proceed to Section B Vertical Venting For a single larger building penetration throu...

Page 8: ...t shown in Figure 8 1 e Condensate drains are required for both the unit heater and the vent system Properly sized traps are included with the unit Proper drain design and installation is critical to ensure that the unit and vent systems are properly drained Refer to the section titled Condensate Drain and Trap Installation on page 13 for detailed instructions B4 If a concentric vent system is to ...

Page 9: ... Over 16 to 18 7 00 Over 18 to 20 7 50 Over 20 to 21 8 00 Rise X 12 corresponds to the roof pitch e g X 9 is 9 12 pitch Size according to snow depth Table 9 2 Minimum Height from Roof to Lowest Discharge Opening Combustion Air Inlet Pipe Vent Pipe Combustion Air Inlet Pipe Vent Pipe Combustion Air Inlet Pipe Vent Pipe Combustion Air Inlet Pipe Vent Pipe 24 Minimum from adjacent wall or building to...

Page 10: ... proceed at this point to Section D Horizontal and Vertical Concentric Venting for instructions Otherwise proceed to note C5 for instructions on terminating a 2 pipe installation C5 For 2 pipe horizontal configurations refer to the following instructions and Figure 11 1 with minimum distances as shown C6 The vent pipe for all sizes except 260 must be terminated with a PVC 90 elbow with screened op...

Page 11: ...inal opening 24 Minimum to adjacent wall or building 9 Minimum from wall to Vent Terminal opening 24 Minimum to adjacent wall or building The center line of the combustion air inlet pipe must be within the shaded area Termination Screens refer to Notes C6 and C8 The center line of the combustion air inlet pipe must be within the shaded area Termination Screens refer to Notes C6 and C8 x 2 both end...

Page 12: ...sembly to the building using the brackets on the adapter box D10 From outside the building caulk the gap between the combustion air intake pipe and the building penetration Figure 12 3 Horizontal Concentric Vent Kit CAUTION The concentric vent adapter box must be installed inside of the structure or building Do not install this box on the exterior of a building or structure Section D Concentric Ve...

Page 13: ...mitting the condensate drain systems may be joined after the traps and connected to a sanitary drain within the building Because the condensate produced is acidic some municipalities may require that the condensate be neutralized before being discharged into the sanitary sewer A condensate neutralizer tube kit is available from Modine to reduce the pH of the condensate A separate neutralizer tube ...

Page 14: ...38 79 150 305 460 870 125 34 72 130 275 410 780 150 31 64 120 250 380 710 Table 14 2 Gas Pipe Capacities Natural Gas Capacities in cubic feet per hour through Schedule 40 pipe with maximum 0 3 W C pressure drop with up to 14 W C gas pressure Specific gravity is 0 60 for natural gas and 1 50 for propane gas For pipe capacity with propane gas divide natural gas capacity by 1 6 Example What is the pr...

Page 15: ... charts include the proper kit suffix when required Manifold Pressure Adjustment The inlet pressure to the unit must be confirmed to be within acceptable limits 6 7 W C for natural gas and 11 14 W C for propane gas before opening the shutoff valve or the combination gas valve may be damaged Heaters for use with natural gas have gas valves factory set at 3 5 W C manifold pressure at 7 0 W C inlet p...

Page 16: ...Manifold Pressure in W C at Altitude Manifold pressure setting for the heater being installed BTUTBL BTU ft3 Content of Gas Obtained from Tables 15 1 or 15 2 whichever is applicable BTUACT BTU ft3 Content of Gas Obtained from the local utility company MPSL Manifold Pressure in W C at Sea Level Use 3 5 W C for natural has and 10 0 W C for propane gas NOTE Only the primary manifold pressure should b...

Page 17: ...ble as a separate accessory Refer to Tables 17 1 and 17 4 for additional information on the required transformer 7 Refer to Figure 17 1 for the junction box wiring entry location 8 All supply power electrical connections are made in the junction box compartment of the unit The low voltage thermostat and accessory control devices can be wired to the terminals on the junction box Additional Notes fo...

Page 18: ...rk or filters the only criteria for determining the motor sheave turns open and blower speed is the amount of air to be delivered The performance tables for blower models are shown on page 21 As an example a model BTC310 unit operating with no external static pressure that is no duct work filters etc and is to deliver an air volume of 6674 cfm cfm cubic feet of air per minute requires that the uni...

Page 19: ...rial plate of the unit see page 31 for model number nomenclature and matching that number with those shown on page 20 From the listing the drive number can be determined Blower Adjustments Following electrical connections check blower rotation to assure blow through heating If necessary interchange wiring to reverse blower rotation Start fan motor and check blower sheave RPM with a hand held or st...

Page 20: ... 1 269 2 268 3 260 13 115 230 1 1 1 2 270 1 1 2 263 1 1 2 263 19 208 230 460 3 1 1 2 269 3 260 5 260 22 575 3 1 1 2 269 3 260 5 260 24 115 230 1 1 272 1 1 2 266 1 1 2 266 30 208 230 460 3 2 269 5 260 1 1 2 262 33 575 3 2 269 5 260 1 1 2 262 35 115 230 1 1 1 2 272 41 208 230 460 3 3 271 1 1 2 262 2 262 44 575 3 3 271 1 1 2 262 2 262 46 115 230 1 1 274 52 208 230 460 3 1 273 2 262 3 278 55 575 3 1 2...

Page 21: ...73 3 0 273 1 5 273 0 5 275 5 0 275 3 0 275 1 5 275 0 0 276 5 0 276 2 5 276 0 5 260 40 5597 3 797 260 3 5 821 260 3 0 843 866 888 910 927 3 278 0 0 5 260 2 5 260 2 0 260 1 5 260 1 0 260 0 5 5 45 4975 3 713 739 260 5 0 764 260 4 5 789 260 3 5 813 260 3 0 837 260 2 5 856 260 2 0 3 278 2 5 278 1 5 278 1 0 278 0 5 50 4478 2 646 674 702 729 268 5 0 755 268 4 5 781 801 2 262 4 0 262 3 5 262 2 5 262 2 0 2...

Page 22: ...N Prior to Operation The maximum inlet pressure for either gas is 14 W C If inlet pressure exceeds 14 W C a gas pressure regulator must be added upstream of the combination gas valve 17 Open the field installed manual gas shut off valve 18 Place the manual main gas valve on the combination gas valve in the On position Call for heat with the thermostat 19 Check to make sure that the main gas valve ...

Page 23: ...trol Code 11 propane gas is Control Code 21 Flame Roll Out Switch size 110 and smaller only hidden Flame roll out switches are mounted near the burners and will shut off the gas supply in the event of an unsafe flame roll out condition Direct Spark Igniter Provides spark for direct ignition of the burners High Limit Switches One limit control is mounted in the air stream and will shut off the gas ...

Page 24: ...65 000 85 000 110 000 135 000 155 000 180 000 215 000 260 000 310 000 Btu Hr Output 51 150 60 450 79 050 102 300 125 500 144 150 167 400 199 950 241 800 288 300 Condensate Production Gal Hr 0 3 0 4 0 5 0 7 1 0 1 1 1 3 1 6 1 9 2 3 Entering Airflow CFM 70 F 1097 1141 1650 1750 2160 2600 3020 3865 4585 5400 Outlet Velocity FPM 618 650 619 668 719 862 676 699 831 765 Air Temp Rise F 43 49 44 54 54 51 ...

Page 25: ...0 20 28 9 model size Airflow Temp rise mounting Height Blade Angle 30 Hood 60 Hood 90 Hood X Y z X Y z s Cfm f ft ft ft ft ft ft ft ft 55 1097 43 8 55 12 27 37 0 28 39 19 10 44 11 25 35 0 26 35 17 12 31 9 23 32 0 22 30 15 65 1141 49 8 54 12 26 36 0 27 38 18 10 43 10 24 34 0 25 34 16 12 29 8 21 30 0 20 28 15 85 1650 44 8 59 14 30 41 0 32 43 17 10 49 12 29 39 0 29 40 16 12 39 11 26 37 0 26 36 14 13 ...

Page 26: ... 50 4 50 4 50 4 50 4 50 4 50 4 50 4 50 G 7 19 7 19 7 98 7 98 7 98 7 98 7 98 7 47 7 47 8 12 H 10 22 10 22 10 27 10 27 10 18 10 18 10 36 9 86 9 86 9 79 I 3 10 3 10 1 32 1 32 2 15 2 15 1 73 1 63 1 63 1 88 J 12 81 12 81 6 73 6 73 8 09 8 09 9 47 6 72 6 72 10 84 K 6 00 6 00 8 74 8 74 8 45 8 45 9 82 12 58 12 58 16 19 L 9 07 9 07 12 13 12 13 12 95 13 45 14 92 17 58 17 58 22 19 M 3 30 3 30 3 86 3 86 3 48 3...

Page 27: ...andard motors allow 3 for sheave and optional motors Models BTC 215 BTC260 BTC310 A 42 53 42 53 42 53 B 31 31 31 31 39 56 C 22 05 22 05 22 05 D 29 52 29 52 29 52 E 29 43 29 43 37 68 F 4 50 4 50 4 50 G 7 47 7 47 8 12 H 9 86 9 86 9 79 I 1 63 1 63 1 88 J 6 72 6 72 10 84 K 12 58 12 58 16 19 L 17 58 17 58 22 19 M 3 72 3 72 4 62 N 3 97 3 97 3 97 P 26 60 26 60 26 60 Q w Blower Encl Filter Rack 79 68 79 6...

Page 28: ...the carryover points This will ensure flame carryover from burner to burner Install the burner assembly back on to the header making certain that all screws pipes and electrical connections are tight c Clean exterior of heat exchanger tubes For cleaning the fins on the secondary heat exchanger either use a soft brush and vacuum cleaner or use a compressed air hose though the discharge opening of t...

Page 29: ...rol board data sheet off or flashing included with this manual Unit starts but does 1 Main gas is off 1 Open manual gas valve not ignite verify green 2 Air in gas line 2 Purge gas line and amber lights on side 3 Main or manifold gas pressure 3 Set gas pressures per manual instructions of junction box are lit 4 Check gas valve switch 4 Set gas valve switch to ON position 5 Clogged condensate drain ...

Page 30: ...30 6 563 7 page intentionally left blank ...

Page 31: ...1700 5H079751 5H079869 PTC135 5H080704 5H074976 7 5H080746 1 NA 5H079441 2 5H079636 5H079749 1700 5H079751 5H079869 PTC156 5H080704 5H074976 7 5H080746 1 NA 5H079441 7 5H079636 5H079749 1700 5H079751 5H079869 PTC180 5H080704 5H073593 5H080746 1 NA 5H079441 7 5H079636 5H079749 1700 5H079751 5H079869 PTC215 5H080704 5H073593 5H080746 1 NA 5H079441 13 5H079636 5H079749 1700 5H079750 5H079870 PTC260 5...

Page 32: ...ENT FROM SELLER These warranties are issued only to the original owner user and cannot be transferred or assigned No provision is made in these warranties for any labor allowance or field labor participation Seller will not honor any expenses incurred in its behalf with regard to repairs to any of Seller s products No credit shall be issued for any defective part returned without proper written au...

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