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(S) DSLPRFM-1
J30-06933 Rev. A
INSTALLATION INSTRUCTIONS AND PARTS LIST
TUBULAR GAS FIRED DIRECT SPARK PROPELLER UNIT HEATERS
– FOR RESIDENTIAL INSTALLATIONS –
ATTENTION: READ THIS MANUAL AND ALL LABELS ATTACHED TO THE UNIT CAREFULLY BEFORE
ATTEMPTING TO INSTALL, OPERATE OR SERVICE THESE UNITS! CHECK UNIT DATA PLATE FOR TYPE OF GAS AND
ELECTRICAL SPECIFICATIONS AND MAKE CERTAIN THAT THESE AGREE WITH THOSE AT THE POINT OF INSTALLATION.
RECORD THE UNIT MODEL AND SERIAL No.(s) IN THE SPACE PROVIDED
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TABLE OF CONTENTS SPECIFICATIONS VENTING ...................11, 12, 13, 14, 15, 16, 17, 18, 19 Basic Description ....................................................2 OPERATION Performance & Specification Data ..........................4 Explanation of Controls and Operation .................20 GENERAL SAFETY INFORMATION Main Burner Orifice Schedule ...............................21 Installation Codes ................................................2, 3 Adjustments ..............................
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GENERAL SAFETY INFORMATION Make certain that the power source conforms to the Failure to comply with the general electrical requirements of the heater. safety information may result in extensive property damage, severe personal injury, or Do not depend upon a thermostat death. or other switch as sole means of disconnecting power when installing or servicing heater. Always This product must be installed by disconnect power at main circuit breaker as a licensed plumber or gas fitter when insta
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Table 1 - Performance and Dimensional Data - Tubular 30 thru 90 Propeller Unit Heater Unit Size 30 45 60 75 90 PERFORMANCE DATA† Input - BTU/Hr. 30,000 45,000 60,000 75,000 90,000 (kW) (8.8) (13.2) (17.6) (22.0) (26.4) Output - BTU/Hr. 24,300 36,450 48,600 60,750 72,900 (kW) (7.1) (10.7) (14.2) (17.8) (21.4) Thermal Efficiency (%) 81 81 81 81 81 Free Air Delivery - CFM 500 750 1,000 1,250 1,500 (cu. m/s) (0.236) (0.355) (0.473) (0.591) (0
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INSTALLATION Do not install unit heaters in AIR FOR COMBUSTION: The unit heater shall be corrosive or flammable atmospheres! Premature installed in a location in which the facilities for ventilation failure of, or severe damage to the unit will permit satisfactory combustion of gas, proper venting, result! and the maintenance of ambient air at safe limits under normal conditions of use. The unit heater shall be located Avoid locations where extreme in such a manner as not to interfere with pr
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INSTALLATION (continued) The Unit Heater may be mounted by Figure 3 - Hanger Bracket Installation Instructions fastening the hanging brackets directly to ceiling joists or by suspending from four rods. See Figures 3, 4 and 5. Make certain that the lifting methods used to lift the heater and the method of suspen- sion used in the field installation of the heater are capable of uniformly supporting the weight of the heater at all times. Failure to heed this warning may result in property damage o
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GAS PIPING To avoid damage or possible personal injury, do not connect gas piping to this unit until a supply line pressure/leak test has been completed. Connecting the unit before completing the pressure/leak test may damage the unit gas valve and result in a fire hazard. Do not rely on a shut-off valve to isolate the unit while conducting gas pressure/leak tests. These valves may not be completely shut off, exposing the gas valve to excessive pressure and damage. PIPE SIZING NOTICE: If more
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PIPE INSTALLATION 1. Install the gas piping in accordance with applicable Do not over tighten the inlet gas local codes. piping into the valve. This may cause stresses that 2. Check gas supply pressure. Each unit heater must will crack the valve! be connected to a gas supply capable of supplying its full rated capacity as specified in Table 3. A field NOTICE: Use pipe joint sealant resistant to the action LP tank regulator must be used to limit the supply of liquefied petroleum gases regardless
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ELECTRICAL CONNECTIONS THERMOSTAT WIRING AND LOCATION: NOTICE: The thermostat must be mounted on a HAZARDOUS VOLTAGE! vertical, vibration-free surface, free from air currents, DISCONNECT ALL ELECTRIC and in accordance with the furnished instructions. POWER INCLUDING REMOTE DISCONNECTS BEFORE Mount the thermostat approximately 5 feet (1.5m) above SERVICING. Failure to the floor, in an area where it will be exposed to a free disconnect power before circulation of average temperature air. Always re
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ELECTRICAL CONNECTIONS (continued) Figure 9 - Tubular Propeller Units Equipped with a Rollout Switch Tubular 30 thru 90 Unit Sizes with Natural and Propane (LP) Gas NOTICE: See Figures 7, 8 and 9 for connecting the thermostat to the unit heater. If using a standard low voltage thermostat with a sub-base switch for fan control, remove the jumper between G and R. Connect the G terminal of the thermostat to the G terminal of the unit heater. 10
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VENTING* All unit heaters must be vented! All Venting installations shall be in accordance with the latest edition of Part 7, Venting of Equipment of the National Fuel Gas Code, ANSI Z223.1, or applicable provisions of local building codes. Refer to notes* below for Canadian installations. Refer to Figures 12-19. CARBON MONOXIDE! Your venting system must not be blocked by any snow, snow drifts, or any foreign matter. Inspect your venting system to ensure adequate ventilation exists at all times
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VENTING ANSI now organizes vented Category I Category III appliances into four categories. Includes non-condensing Appliances are non-condensing appliances with negative vent and operate with a positive vent Venting Categories pressure, like the traditional pressure. atmospheric unit heater. Non Category IV Condensing Condensing Category II Covers condensing appliances Negative Groups condensing appliances with positive vent pressure. Vent III with negative vent pressure. Pressure NOTICE: Catego
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HORIZONTALLY VENTED UNIT HEATERS (CATEGORY I - U.S. RESIDENTIAL ONLY) All venting of residential tubular unit heaters must Maintain 1 inch (25.4mm) between the vent pipe and comply with CSA International Requirement 10.96 U.S. combustible materials. nd for Unit Heaters for Residential Use (2 Edition). The vent terminal must be installed with a minimum Category I horizontal venting arrangements are horizontal clearance of 4 feet (1.2m) from electric designed to be used with either single wall ve
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Table 4 - Category I Horizontal Venting Requirements Vent Maximum Number Maximum Horizontal Minimum Extension Unit Diameter Elbows Vent Length Vertical Rise Distance Size (in) * (Ft.) (In.) from Wall 30 4 1 4 12 36 41 8 18 36 42 4 12 36 42 8 18 36 45 4 1 10 18 36 42 5 18 36 5 2 10 12 36 60 5 2 10 12 36 75 5 2 10 24 36 90 5 1 10 24 24 5 2 10 36 24 *One elbow is required to make the vertical extension, See Figure 13. Figure 13 - Category I Horizontal Venting Requirements D-06838A 14
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Figure 14 - Vent Support D- 06839A 15
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HORIZONTALLY VENTED UNIT HEATERS (CATEGORY III) All venting of residential tubular unit The vent pipe equivalent length must Vent Systems heaters must comply with the latest Termination Clearance Requirements not exceed 30 feet (9.14m) for the nd edition of CSA .10.96 (2 ed.) Minimum 30 and 45 unit sizes, and 40 feet Clearances for requirement. (12.2m) for the 60, 75 and 90 unit Structure Termination sizes. Equivalent length is the total Locations Category III horizontal venting length of strai
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Figure 15 - Category III Horizontal Venting Requirements Using Single Wall Vent Pipe Figure 15A - Category III Horizontal Venting Requirements Using Type B Double Wall Vent Pipe Figure 15B - Type B Draft Hood Connector 17
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VENTING (continued) Figure 16 Figure 17 18
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VENTING (continued) Figure 18 Figure 19 19
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OPERATION POWER VENTED PROPELLER UNITS DIRECT SPARK IGNITION EXPLANATION OF CONTROLS (See Figure 20): 8. The wall thermostat, supplied optionally, is a 1. Each Unit Heater comes equipped with a power vent temperature sensitive switch that operates the system that consists of a power venter motor and vent system and ignition system to control the blower, pressure switch, and sealed flue collector in temperature of the space being heated. The thermo- place of the conventional draft diverter. stat
