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800-245-4455 www.berner.com
Saving energy and creating healthy, comfortable environments
for outdoor use
unheated only
Your new Drive-Thru air curtain(air door), properly installed, maintained and operated,
will keep fumes out of your restaurant, increase employee comfort, and save energy.
Installation & Maintenance Instructions
TABLE OF CONTENTS
I. UNCRATING.................................................................................................................................................................................... 2
II. MOUNTING INSTRUCTIONS ....................................................................................................................................................... 2
III. WALL MOUNTING ....................................................................................................................................................................... 3
IV. ELECTRICAL CONNECTIONS ..................................................................................................................................................... 4
V. OPERATION INSTRUCTIONS .......................................................................................................................................................4
VI. MAINTENANCE AND CLEANING .............................................................................................................................................4
VII. SERVICE .......................................................................................................................................................................................5
VIII. WARRANTY ................................................................................................................................................................................6
WARNING: TO REDUCE THE RISK OF FIRE, ELECTRIC SHOCK OR INJURY TO PERSONS, OBSERVE THE FOLLOWING:
A. Read all instructions before installing or using this air curtain.
B. Use this unit only in the manner intended by the manufacturer and described in this manual. Any other use not recommended by the
manufacturer may cause fire, electric shock, or injury to persons. If you have any questions, contact the manufacturer.
C. Before servicing or cleaning unit, switch power off at service panel and lock the service disconnecting means to prevent power from
being switched on accidentally. When the service disconnecting means cannot be locked, securely fasten a prominent warning device,
such as a tag, to the service panel.
D. Installation work and electrical wiring must be done by qualified person(s) in accordance with all applicable national and local codes
having jurisdiction, including fire-rated construction. See page 4, ELECTRICAL CONNECTIONS (NEC Code ANSI/NFPA No. 70).
E. When cutting or drilling into wall or ceiling, do not damage electrical wiring and other hidden utilities.
F. To reduce the risk of fire, do not store or use gasoline or other flammable vapors and liquids in the vicinity of the air curtain.
G. This air curtain is hot when in use. To avoid burns, do not let bare skin touch hot surfaces. Keep combustible materials, such as furniture,
pillows, bedding, papers, clothes, etc. and curtains at least 1 inch from the top, back, front, sides and at least 6 feet from the discharge of
the air curtain.
H. Extreme caution is necessary when any air curtain is used by or near children or invalids, and whenever the heater is left operating
unattended.
I.
Do not operate any air curtain after it malfunctions. Disconnect power at the service panel and have the air curtain inspected by a
reputable electrician before reusing.
J. To disconnect the air curtain, turn controls to "off", and turn off power to the air curtain circuit at main disconnect panel.
K. Do not insert or allow foreign objects to enter any ventilation or discharge opening as this may cause an electric shock or fire, or damage
the air curtain.
L. To prevent a possible fire, do not block the air intake or discharge of the air curtain in any manner.
M. The air curtain has hot and arcing or sparking parts inside. Do not use it in areas where gasoline, paint, or flammable vapors or liquids are
used or stored.
N. This heater may include an audible or visual alarm to warn that parts of the heater are getting excessively hot. If the alarm sounds (or
illuminates), immediately turn the heater off and inspect for any objects on or adjacent to the heater that may have blocked the airflow or
otherwise caused high temperatures to have occurred. DO NOT OPERATE THE HEATER WITH THE ALARM SOUNDING (OR ILLUMINATING).
IMPORTANT INSTRUCTIONS
READ AND SAVE
THESE INSTRUCTIONS
®
No.
Date
DRIVE-THRU
AIR CURTAIN SERIES DTU03
II-450
December, 2023
UNIT 3
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Summary of Contents for Berner DTU03 Series
- Page 1 IMPORTANT INSTRUCTIONS READ AND SAVE 800-245-4455 www.berner.com THESE INSTRUCTIONS ® II-450 Date December, 2023 Saving energy and creating healthy, comfortable environments DRIVE-THRU UNIT 3 AIR CURTAIN SERIES DTU03 for outdoor use unheated only Your new Drive-Thru air curtain(air door), properly installed, maintained and operated, will keep fumes out of your restaurant, increase employee comfort, and save energy.
- Page 2 I. UNCRATING A. When determining the mounting location for the unit(s), make Carefully examine the carton(s) for damage before opening. If sure that nothing interferes with the curtain of air developed the carton is damaged, immediately notify shipping company. when the discharge vanes are directed from 0º to 20º toward If the unit(s) were shipped on wooden skids, remove protec- the drive-thru window opening.
- Page 3 III. WALL MOUNTING The Drive-Thru Unit 3 air curtain is shipped with a variety of wall mounting options. Included in standard orders are standard brackets (See Figure 1) and spanning legs (See Figure 2). Adjustable brackets (See Figure 3) available by special order. FIGURE 1 -Standard Brackets FIGURE 2 -Spanning Brackets (works with both standard and adjustable extension brackets) FIGURE 3 -Adjustable Extension Brackets (optional, must be ordered separately by special order)
- Page 4 IV. ELECTRICAL CONNECTIONS VI. MAINTENANCE AND CLEANING CAUTION: ELECTRIC SHOCK HAZARD: All electrical wiring and connections MUST be performed Disconnect power when servicing unit. by qualified personnel in accordance with the National More than one disconnect may be required to de-energize Electrical Code ANSI/NFPA No.
- Page 5 Any service performed on the Drive-Thru Unit 3 air curtain MUST be done by qualified personnel. www.berner.com Berner air curtains require very little servicing. All parts are 800-245-4455 easily accessible for periodic inspection and maintenance. Units should be cleaned at least twice a year. Your particular...
- Page 6 VIII. WARRANTY Berner International (“The Company”) warrants all new equipment to be free of defects in workmanship and material for a period of one year on unheated and heated models from the original date of shipment, provided the equipment has been properly cared for, installed and operated in accordance with the limits specified on the nameplate and The Company’s instructions.
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