Pub. No. 18-HE122D1-1-EN Numbers in [brackets] are for 50 Hz international systems. 9
Installer’s Guide
MODES OF OPERATION
The whole house air cleaner can be connected in one
of two modes of operation; either a 24 V mode or a
communicating mode. To know how the whole house
air cleaner is set up, reference Figure 21 to nd the
amber light.
A steady amber light indicates that the unit is wired in
the 24 V mode.
A blinking amber light indicates that the unit is wired in
the communicating mode.
No light present means that the unit is not connected.
Figure 21 - Amber Light showing
Mode of Operation
BLUE
GREEN
BROWN
BLACK
RED
WHITE
Air Handler may not have a Low Voltage Terminal board. Connect Electronic Air Cleaner wires to
the Air Handler Low Voltage Color coded wires.
Install Transformer, one is supplied with the Electronic Air Cleaner, in the Furnace or Air Handler.
Figure 20A - Wiring Diagram
for 24 V Mode
NOTE: The Black wire must be con-
nected to chassis ground to ensure
proper operation.
The ◆ represents an alpha character.
BAYTRANS12024◆ Transformer
BLUE
GREEN
Furnace / Air Handler
BROWN /
Dataline
Indoor Unit
24 V Te rminal Strip
WHITE
RED
BLUE
GREEN
WHITE
24 V
Common
Fan Signal
Furnace
Heating Signal
R
B
W
G
BLUE
GREEN
BROWN
BLACK
RED
WHITE
• Transformer must have a grounded 120 VAC
power source. Do not defeat ground plug on
the transformer.
• Mount transformer to building structure with
the four provided wood screws.
Transformer not applicable to 50 Hz units.
NOTE: BAYTRANS12024C complies with the Cali-
fornia Code of Regulation,Title 20, Sections 1601
through 1608 dated December 2006. BAYTRAN-
S12024A with vendor’s manufacturing date codes
after 0625 (YYWW) cannot be installed in California
because the transformer does not satisfy the require-
ments set forth by California Code of Regulations,
Title 20, Sections 1601 through 1608 dated Decem-
ber 2006.
Power Button
Amber Light
Plug 24 Volt Power / Control
Cable in here.
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