Carrier 31KAX Installation, Start-up And Service Instructions Manual

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Brand: Carrier

Category: Air Cleaner

Type: Installation, start-up and service instructions manual for Carrier 31KAX

Pages: 14

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31KAX
Electronic Air Cleaners
Installation, Start-up, and Service Instruction
NOTE: Read the entire instruction manual before starting the
installation.
SAFETY CONSIDERATIONS
Improper installation, adjustment, alteration, service, maintenance,
or use can cause explosion, fire, electrical shock, or other
conditions which may cause 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 pack-
aged with the kits or accessories when installing.
Follow all safety codes. Wear safety glasses and work gloves. Use
quenching cloth for brazing operations. Have fire extinguisher
available. Read these instructions thoroughly and follow all
warning or cautions attached to the unit. Consult local building
codes and National Electric
Code (NEC) for special requirements.
Recognize safety information. This is the safety-alert symbol
.
When you see this symbol on unit or in instructions and manuals,
be alert to potential for personal injury.
Understand the signal word DANGER, WARNING, or CAU-
TION. These words are used with the safety-alert symbol. DAN-
GER identifies the most serious hazards which will result in severe
personal injury or death. WARNING signifies a hazard which
could result in personal injury or death. CAUTION is used to
identify unsafe practices which would result in minor personal
injury or product and property damage. NOTE is used to highlight
suggestions that will result in enhanced installation, reliability, or
operation.
INTRODUCTION
Model 31KAX Plate Electronic Air Cleaner (EAC) is available in
3 sizes 012 (300 to 1400 CFM), 016 (500 to 1800 CFM), and 020
(700 to 2000 CFM). (See Fig. 1.)
These plate-type air cleaners are designed for use with residential
and light commercial forced-air heating and/or cooling systems.
They may be installed in a vertical or horizontal section of a
typical return-air duct system. (See Fig. 2.)
These air cleaners are easily field-converted from right- to left-
hand units. Cabinets are designed to support up to 400 pounds
when used in under-the-furnace applications.
CABINET
The cabinet includes an electrical junction box and a power safety
interlock, and houses the air cleaner components. These compo-
nents are:
1. Mechanical pre-filters—Expanded aluminum mesh first-stage
filter that removes lint and large dust particles.
2. Cell assemblies—Cells consisting of combined ionizer wires
and collector plates.
Ionizer part of cell has tungsten wires that receive positive
charge and are mounted between grounded aluminum chan-
nels supported by glazed ceramic insulators.
Collector part of cell consists of alternately charged collector
plates.
The EAC components are listed below and shown in Fig. 3.
1. A power door assembly.
2. Two pre-filters.
3. A cabinet containing 2 air-cleaning cell assemblies.
4. A parts bag including electrical bushing, plug buttons, wire
chase, and airflow label.
POWER DOOR ASSEMBLY
The power door assembly consists of:
1. Unit operation light, ON-OFF switch, and door attachment
knob—all installed on door cover.
2. Door base plate contains a solid-state power pack that converts
120vac to high voltage DC (a 240v Conversion Kit,
KEAVC0101240 is available). All wiring mounted internally.
A line-voltage disconnect (male plug) and high-voltage bus-
bar are mounted on the base plate externally. Four screws
must be removed to expose the power pack and wiring.
The supply circuit to the power pack, which is wired across the
furnace blower motor, is controlled by an ON-OFF power switch.
With the power switch ON (assuming power door is in place and
blower motor is operating), 120vac ± 10 percent single-phase, 60
Hz power is applied to the power pack (240-V Conversion Kit
transformer converts 240v to 120vac). Output of the power pack
assembly is approximately 7300vdc.
These Installation Instructions consist of the following:
Step 1—Locating Unit
Step 2—Installation
Step 3—Electrical Connections
Step 4—Startup and Adjustments
Fig. 1—Model 31KAX
A91465
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Book 1 4
Tab 7a 9a
PC 101 Catalog No. 533-135 Printed in U.S.A. Form 31KAX-9SI Pg 1 6-94 Replaces: 31KAX-8SI