Table of Contents
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WARNING
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
throroughly before installing or servicing this
equipment.
CAUTION
To prevent premature heat exchanger failure do
not locate ANY gas-fired units in areas where
chlorinated, halogenated, or acid vapors are
present in the atmosphere.
IMPORTANT
The use of this manual is specifically intended
for a qualified installation and service agency.
A qualified installation and service agency must
perform all installation and service of these
appliances.
PLEASE BE SURE TO LEAVE IT WITH THE OWNER WHEN YOU LEAVE THE JOB.
INSTALLATION AND SERVICE MANUAL
1.
2.
3.
THIS MANUAL IS THE PROPERTY OF THE OWNER.
gas-fired unit heaters
All models approved for use in California by the CEC (when
equipped with IPI), in New York by the MEA division, and in
Massachusetts. Unit heater is certified for non-residential
applications.
Contents
Inspection on arrival ................................................................1
Installation (including venting)..............................................2-8
Operation ...........................................................................9-10
Checking input rate ...............................................................11
Dimensional data .............................................................12-13
Performance data.............................................................12-19
Service instructions - safety devices..............................20-21
Service instructions - general...............................................22
Motor data........................................................................25-26
Model identification ...............................................................26
Control options ......................................................................27
Warranty ..................................................................Back cover
FOR YOUR SAFETY
IF YOU SMELL GAS:
1. Open windows.
2. Don't touch electrical switches.
3. Extinguish any open flame.
4. Immediately call your gas supplier.
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.
Inspection on Arrival
Inspect unit upon arrival. In case of damage, report
immediately to transportation company and your local
Modine sales representative.
Check rating plate on unit to verify that power supply meets
available electric power at the point of installation.
Inspect unit received for conformance with description of
product ordered (including specifications where applicable).
Heater Parts from ACF Greenhouses
6-553.3
5H73889A (Rev. D)
April, 2002
models PD and BD
Pages
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Table of Contents
Troubleshooting
Related Manuals for Modine Manufacturing BD
Summary of Contents for Modine Manufacturing BD
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Page 1: Table Of Contents
6-553.3 5H73889A (Rev. D) April, 2002 INSTALLATION AND SERVICE MANUAL gas-fired unit heaters models PD and BD All models approved for use in California by the CEC (when equipped with IPI), in New York by the MEA division, and in Massachusetts. -
Page 2: Installation (Including Venting)
A complete replacement parts not be directed into the inlet of another. list may be obtained by contacting Modine Manufacturing Company. Refer to the rating plate on the unit for complete unit model number, 10. Do not locate units in tightly sealed rooms or small compartments serial number and company address. - Page 3 INSTALLATION In the U.S., the installation of these units must comply with the Combustion Air Requirements “National Fuel Gas Code,” ANSI Z223.1, latest edition (also known Units installed in tightly sealed buildings or confined spaces should as NFPA 54) and other applicable local building codes. be provided with two permanent openings, one near the top of the In Canada, the installation of these units must comply with local enclosure and one near the bottom.
- Page 4 INSTALLATION The PD 350 and PD 400 have four mounting holes. On all 5. Avoid venting through unheated space when possible. When blower units, except the PD 350 and PD 400, two tapped holes venting does pass through an unheated space, Modine are provided in the top of the unit and two holes in the blower recommends the use of Type B double wall vent.
- Page 5 INSTALLATION ADDITIONAL VENTING REQUIREMENTS FOR VENTING After threading and reaming the ends, inspect piping and INTO AN EXISTING MASONRY CHIMNEY OR COMMON remove loose dirt and chips. VENT (CATEGORY I and II UNITS ONLY) Support piping so that no strains are imposed on unit or 1.
- Page 6 INSTALLATION Table 3 Gas Pipe Capacities In Cu. Ft. per Hour with Pressure Drop pf 0.3 in. W.C. with Specific Gravity 0.60. Length of Diameter of Pipe - Inches Pipe in Ft. 1 1/4 1 1/2 1220 2480 6500 13880 38700 79000 1650...
- Page 7 INSTALLATION Recommended Installations Dimension “B” Should Never Be Less than 1/2 of “A” 3" MAX. TURNING VANES 12" 3" MIN. MIN. 12" 3" MIN. MIN. 12" 3" MAX. TURNING VANES 12" MIN. BAFFLE TOP VIEW SIDE VIEW SIDE VIEW 12" 12"...
- Page 8 INSTALLATION To Install (Figure 5) adjustable motor sheave is supplied with these units. If blower fan speed changes are required, adjust motor sheave as 1. Remove and discard the motor tie down strap and the follows: shipping block beneath the belt tension adjusting screw (Not used on all models.) NOTE: Do not fire unit until blower adjustment has been made Figure 5...
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Page 9: Operation
OPERATION Figure 7 CAUTION Correct Pilot Flame Start-up and adjustment procedures should be performed by a qualified serviceman. Check the gas inlet pressure at the unit upstream of the combination gas control. The inlet pressure should be 6"-7" W.C. on natural gas or 12"-14" W.C. on propane. If inlet pressure is too high, install an additional pressure regulator upstream of the combination gas control. -
Page 10: Operation
OPERATION Lack of primary air will cause soft yellow-tipped flames. Excess where: primary air produces short, well-defined flames with a tendency F1 = input to heater, Btuh. to lift off the burner ports. Proper operation with natural gas F2 = input to heater, cu. ft. per hr. provides a soft blue flame with a well-defined inner core. -
Page 11: Checking Input Rate
CHECKING INPUT RATE Table 6 Manifold Pressure & Gas Consumption * Figure 9 Natural Propane Major Gas and Electric Components BTU/Cu. Ft. 1050 2500 No. of Model Specific Gravity 0.60 1.53 Orifices FAN MOTOR Manifold Pressure In. W.C. 10.0 GUARD 28.6 12.0 Gal/Hr. - Page 12 DIMENSIONS/PERFORMANCE – PD J VENT PIPE For clearance to combustibles, see page 3. D (OPENING) L - Approx MIN. DISTANCE TO WALL IS L + 6" (MIN. DISTANCE TO WALL) Dimensions (inches) — PD Do not use propeller units with duct work. Dimension Model Number Symbol...
- Page 13 DIMENSIONS/PERFORMANCE – BD 4-5/8'' J VENT PIPE For clearance to combustibles, see page 3. BLOWER FILTER RACK ENCLOSURE M (APPROX.) (OPTIONAL) D (OPENING) (OPTIONAL) L (MIN. DISTANCE TO WALL) Dimensions (inches) — BD Model Number Dimension Symbol BD 50 BD 75 BD 100 BD 125 BD 150...
- Page 14 PERFORMANCE DATA – NOZZLES A choice of four air discharge nozzles 90° VERTICAL accommodate various heat throw NOZZLE patterns illustrated. Equipped with adjustable louver blades, nozzles are fabricated from galvanized steel and are offered either unpainted or painted to match the finish of the blower unit heaters.
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Page 15: Dimensional Data
DIMENSIONAL DATA " " 40° 40° Downward Nozzles Splitter Nozzles " " 90° 5-Way Downward Nozzles Nozzle Dimensions (in inches) Model Number Nozzle Dimension Type Symbol BD 50 BD 75 BD 100 BD 125 BD 150 BD 175 BD 200 BD 250 BD 300 BD 350... - Page 16 PERFORMANCE DATA – HOODS FOR PROPELLER MODELS Performance Data — 30°, 60° and 90° Downward Deflector Hoods Mounting Height to 30° Downward Hood For Propeller Units Bottom of Heater PD 50 PD 75 PD 100 PD 125 PD 150 PD 175 PD 200 PD 250 PD 300...
- Page 17 PERFORMANCE DATA – HOODS FOR BLOWER MODELS Performance Data — 30°, 60° and 90° Downward Deflector Hoods Mounting Height to 30° Downward Hood For Blower Units Bottom of Heater BD 50 BD 75 BD 100 BD 125 BD 150 BD 175 BD 200 BD 250 BD 300...
- Page 18 PERFORMANCE DATA - BLOWER UNIT HEATERS Models With or Without Blower Enclosure For 575V selections, please see chart on page 19. 0.4 Static Pressure 0.0 Static Air Pressure 0.1 Static Air Pressure 0.2 Static Air Pressure 0.3 Static Air Pressure Sheave Temp Sheave...
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Page 19: Performance Data
PERFORMANCE DATA - CONTINUED Models With or Without Blower Enclosure Data for use with filters only Filters For blower units with enclosure and filter, add 0.5 Static Air Pressure 0.6 Static Air Pressure 0.7 Static Air Pressure the following static pressures to the static Temp Sheave Sheave... -
Page 20: Service Instructions - Safety Devices
SERVICE INSTRUCTIONS – SAFETY DEVICES (FRONT, TOP VIEW) Figure 13 Service, Safety, and Other Major Unit Heater Components VENT BLOCKED LIMIT CONTROL VENT PIPE VENT SAFETY LOCATED UNDER CONNECTION SWITCH RELIEF LEFT SIDE PANEL OPENING DIMPLED HEAT MOTOR EXCHANGER LOUVERS SERVICE, REMOVE LEFT SIDE... - Page 21 SERVICE INSTRUCTIONS – SAFETY DEVICES If these changes do not stop the spillage or the installer With the switch reset, turn on the electric and gas supply to the chooses not to make changes, a power exhauster is really the unit heater and restart the unit.
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Page 22: Service Instructions - General
SERVICE INSTRUCTIONS – GENERAL ONLY PEOPLE TRAINED AND FAMILIAR WITH THE Primary air shutters (when used). OPERATION OF UNIT HEATERS AND THEIR CONTROLS d. Clean heat exchanger tubes from bottom with stiff SHOULD SERVICE THIS UNIT. brush after removing burner (Do not use wire brush). General Maintenance Bottom pan. -
Page 23: Troubleshooting Guide
TROUBLESHOOTING GUIDE 2. Yellow Tipping 6. Flame Rollout Yellow tipping of a normally blue flame is caused by insufficient Flames rolling out of the combustion air inlets when the primary air, and indicated incomplete combustion producing burner is turned on can create a fire hazard, scorch unit carbon monoxide, aldehydes, and free carbon (soot). - Page 24 TROUBLESHOOTING GUIDE 3. Effect of pilot operation on safety controls: 2. Pilot lights, main burner will not light: POSSIBLE CAUSE POSSIBLE REMEDY POSSIBLE CAUSES AND REMEDIES 3a. A short pilot flame may cause poor ignition and result in 2a. Gas valve in off position. 2a.
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Page 25: Motor Data
MOTOR DATA Power Code Description — Propeller PD Models Pwr. Electric PD 30 PD 50 PD 75 PD 100 PD 125 PD 150 PD 175 PD 200 PD 250 PD 300 PD 350 PD 400 Code Power Horsepower 115/60/1 1/40 1/40 1/12 1/12... -
Page 26: Model Identification
MOTOR DATA (see page 25) Motor Data and Total Unit Power Requirements – Blower BD Models Voltage 115/60/1 230/60/1 200/60/3 230/460/60/3 575/60/3 Mtr. Mtr. Total Total Mtr. Mtr. Total Total Mtr. Mtr. Total Total Mtr. Mtr. Total Total Mtr. Mtr. Total Total Amps Rpm Amps Watts Amps Rpm Amps Watts Amps Rpm Amps Watts Amps Rpm Amps Watts Amps Rpm Amps Watts 1725... -
Page 27: Control Options
CONTROL OPTIONS Propeller and Blower Unit Heaters – PD and BD Models Control Thermostat Type of Service Voltage Control System Description Code No. Voltage Single-Stage, Standing Pilot, 100% Shut-Off – Utilizes a single-stage combination gas control and 115V natural 200/230V natural thermocouple. -
Page 28: Warranty
State of Wisconsin (Uniform Commercial Code). (CONDENSER) OR BURNER WHICH SHALL, WITHIN As Modine Manufacturing Company has a continuous product improvement program, it reserves the right to change design and specifications without notice. Commercial HVAC R Division &...