Summary of Contents for HotZone HZS Series
- Page 1 Schaefer HotZone™ HZS Series Electric Spot Heater High Output Infrared Heater INSTALLATION & OPERATION INSTRUCTIONS ® 41344 800-779-3267 sales@schaeferfan.com • www.schaeferfan.com ©2008 Schaefer Ventilation Equipment...
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Page 2: Table Of Contents
HZS SERIES PARTS AND DIMENSIONS ........ -
Page 3: About Your Hotzone™ Heater
Control chart. Options have to be ordered with the heater, as they are part of the heater while accessories are additional items that are individually ordered. HotZone™ electric heaters are listed with ETL and ETLc (for Canada) by ITS and are approved for use in dry and wet locations throughout the US and Canada. -
Page 4: Important Instructions
2. Important Instructions When using or working on electric heaters, basic precautions should always be followed to reduce the risk of fire, electric shock, and injury to persons, including the following: Read all instructions before using heater. To avoid surface burns, do not let bare-skin touch hot surfaces. Keep combustible materials, such as furniture, pillows, bedding, papers, clothes, and curtains at least 5-1/2 feet from the front of the heater and avoid contact with the sides, back and top. -
Page 5: Installation
3. Installation Prior to installing your HotZone™ heater, the following should be reviewed and adhered to. Compliance with the following will yield satisfactory heater operation and minimize equipment costs: 1. Heaters must be installed in accordance with National Electric and all local codes. HotZone™ heaters are ETL listed for fixed and location-dedicated installation both indoors and outdoors. -
Page 6: Mounting Variations
3.1 Mounting Variations The following list describes the mounting variations for installing your HotZone™ heater. Schaefer sells some, but not all, of the mounting accessories described below. Awning Clamp - Adjustable, removable mounting to pipe and bar structures. Vestibule Enclosures - Exterior walls above people and sidewalks. -
Page 7: Mounting The Heater
3.2 Mounting the Heater Mount the heater according to the following installation instructions: Position the heater to obtain a mounting angle between directly down and 45º. Comfort is best obtained with the heater off to one side and angled at 35º. The heater may be mounted many different ways. - Page 8 3.2 Mounting the Heater cont'd The stock Multi-Mount bracket can be used in many ways. The bracket may have to be removed and flipped for some of the installations. See Figure 1 for hole-patterns. FIGURE 1. MULTI-MOUNT BRACKET HOLE-PATTERNS Mount with the stock multi-mount bracket directly to a wall or upright. Use screws, bolts or u-bolts as required.
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Page 9: Electrical Connection
Use supply conductors suitable for 90° C (194° F) for the connections in the junction box. 4.1 Heater Element CerIR™ The HotZone™ heater's element is the most efficient infrared source available for comfort heating. The CerIR™ heating element operates at a higher surface temperature than any other heater - approximately 1000°... -
Page 10: Electrical Schematics
4.2 Electrical Schematics FIGURE 3. HEATER WIRING SCHEMATICS BY VOLTAGE AND ELEMENT NUMBER HZS15 HZS30 HZS50 Voltage Element Schematic Element Schematic Element Schematic 7501 75301 75501 75303 75503 120-S2 7502 7503 208-S2 75302 75502 208Y 75303 75503 208Y 75501 208D 75304 75504 7504... -
Page 11: Maintenance
6.0 Service and Troubleshooting HotZone™ heaters have no moving parts and should provide years of trouble-free service. 6.1 Element Troubleshooting At full power and after two to three minutes of warm-up time, the heater element should glow a warm orange color, similar to the color of coals in a hot fire. -
Page 12: Lens Repair
6.0 Service and Troubleshooting cont'd If the heater glows a bright orange-white, and heats up very quickly, the heater is receiving too much power and will burn out very quickly if it is not turned off. • Is the heater connected to the correct line voltage (under load condition) for its element type? See Figure 3 or Appendix B. - Page 13 7.0 Changing the Heater Element cont'd Elements have an expected life of 2,000 hours plus. When an element burns out, it cannot be repaired and must be replaced with a new element. To change the element on your heater: Turn off the supply power at the panel. Disconnect and dismount the heater.
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Page 14: Converting Heater To A Different Voltage
If the voltage has not changed the label does not need to be updated. CAUTION New or replacement element lead wires must be of the very high temperature variety, capable of handling 1000°F, and with stainless steel terminals. These are available from Schaefer or your Schaefer HotZone™ dealer. -
Page 15: Hzs Series Parts And Dimensions
HZS50 9.1 Parts Shell Back End J-Box All replacement parts must be obtained from Schaefer or your Schaefer HotZone™ dealer. U-nuts 8-32 No parts other than those specified here Screws 8-32x1/2 should be used on this heater. Please specify heater model when ordering. -
Page 16: Options, Accessories And Controls
Appendix A Options, Accessories and Controls Standard Features 5X Lens Patented feature that magnifies the radiant heat into its target area by a factor of five. The lens consists of an aluminum grid of reflectors placed in front of the heater that will cover a circular (spot) or linear (aisle) pattern. -
Page 17: Appendix B. Replacement Heater Elements
Appendix B Replacement Heater Elements Element Heater Power Element Element Schematic Voltage Alternate Voltage Stages Wires Schematic (V) 7501 HZS15120 1500 7502 HZS15120-S2 1500 7503 HZS15208 1500 7504 HZS15240 1500 7505 HZS15277 1500 75301 HZS30120/240 3000 75302 HZS30208-S2 3000 75303 HZS30208Y 3000 75304... -
Page 18: Appendix C. Quick Installation Summary
Appendix C Quick Installation Summary This section provides the bare essentials for installing a HotZone™ heater. Refer to the rest of this manual for detailed instructions and warnings. Place heater to project heat onto the work area from above and the side. Mount the heater in a safe location by complying with the distances to the combustibles on all sides of the heater including items that may be moved under the heater. - Page 19 The Schaefer Warranty. HotZone™ HZS Series Heaters are warranted to the original purchaser new goods or parts to be free from defects in material and workmanship for the following periods of time from the time of delivery: •...
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