Arcoaire MB08B1500B Installation Instructions Manual

INSTALLATION INSTRUCTIONS
MB08B1500B, MB12F1900B, MB16J2200B, MB20L2400B
These instructions must be read and understood completely before attempting installation.
Improper installation, adjustment, alteration, service,
maintenance, or use can cause explosion, fire, electrical
shock, or other conditions which may cause death,
personal injury, or property damage. Consult a qualified
installer, service agency, or your distributor or branch for
information or assistance. The qualified installer or
agency must use factory−authorized kits or accessories
when modifying this product. Refer to the individual
instructions packaged with the kits or accessories when
installing.
Follow all safety codes. Wear safety glasses, protective
clothing, and work gloves. Use quenching cloth for
brazing operations. Have fire extinguisher available.
Read these instructions thoroughly and follow all
warnings or cautions included in literature and attached
to the unit. Consult local building codes, the current
editions of the National Electrical Code (NEC) NFPA
70.

TABLE OF CONTENTS

General Information/Installation
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Horizontal Installation . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ductwork Connection . . . . . . . . . . . . . . . . . . . . . . . . . . .
Filter Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Connection . . . . . . . . . . . . . . . . . . . . . . . . . . .
Motor Speed and Airflow
Blower Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Airflow Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Replacement Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Modular Blower
SAFETY CONSIDERATIONS
. . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . .
Specifications are subject to change without notice.
(115 Volt)
In Canada refer to the current editions of the Canadian
Electrical Code
information. This is the safety−alert symbol
you see this symbol on the unit and in instructions or
manuals, be alert to the potential for personal injury.
Understand these signal words; DANGER, WARNING,
and CAUTION. These words are used with the
safety−alert symbol. DANGER identifies the most
serious hazards which will result in severe personal
injury or death. WARNING signifies hazards which
could result in personal injury or death. CAUTION is
used to identify unsafe practices which may result in
minor personal injury or product and property damage.
NOTE is used to highlight suggestions which will result
in enhanced installation, reliability, or operation.
2
!
2
3
3 ELECTRICAL SHOCK HAZARD
3
Failure to turn off electric power could result in per-
4
sonal injury or death.
5
Before installing or servicing system, turn off main
5
power to the system. There may be more than one
5
disconnect switch, including accessory heater(s).
6
6
CSA C22.1 Recognize
WARNING
442 01 2405 01 April 2009
X40158 Rev. B
safety
When
!
!