5165699-BIM-C-0516
Johnson Controls Unitary Products
9
SECTION VI: OPTIONAL AIR
CONDITIONING ACCESSORIES
This furnace is already equipped with a blower and control system to
add-on air conditioning and heat pump. Insulation and coil shelf kit
(3500-8941/B for downflow up to 4 ton (19-1/2” or less deep coil), 3500-
8961/A for upflow up to 4 ton (19-1/2” or less deep coil), 3500-8601 for
downflow coils 5 ton or any coil with a drain pan longer than 19-1/2”,
and 3500-8602 extension cabinet for any coils taller than 19”. must be
installed when adding on such remote air conditioning systems.
HIGH PERFORMANCE BLOWER
ACCESSORY PACKAGE
All EB furnaces are equipped with a blower and control system to add-
on air conditioning and heat pumps to specified sizes. If the require-
ment is to achieve more air flow or cooling than specified, then the
blower inside the furnace has to be replaced with an accessory blower
package 3500-7901/A. This accessory blower package would deliver
air conditioning up to 5-tons, and heat pump up to 4-tons. Accessory
package (3500-7901/A) includes blower, insulation, coil shelf, trap,
clamps, etc. Please refer to the installation instructions packed with the
accessory package for more information.
FIGURE 15:
Thermostat Wiring
DE
L
U
X
E B
L
E
N
D A
I
R
II
FRESH
A
I
R
FRESH
A
I
R
OFF
AUTO
A
L
ARM
RED
RED
WH
I
TE
WH
I
TE
GREE
N
GREE
N
B
L
ACK
B
L
ACK
B
L
ACK
RED
WH
I
TE
GREE
N
Y
E
LL
OW
WIR
E
S FR
O
M FUR
N
AC
E
NOT
FAC
TO
RY
I
N
S
T
ALL
E
D
S
T
A
N
DARD
O
R D
E
LUX
E
BL
EN
D AIR C
ONT
R
O
L B
O
X
T
H
E
RM
O
S
T
A
T
WIRI
N
G SCH
E
MA
T
IC F
O
R
:
BL
EN
D AIR A
N
D FUR
N
AC
E
T
he
E
B Furnaces are A/C ready.
All furnaces installations should include a minimum of four conductor thermostat
wiring to accommodate future air conditioning installations.
Four-conductor wire is required for thermostat connection.
Attach the 4 low voltage wires extending from the control
box as follows
:
1
.
wire
from
Furnace
to
thermostat
wire
.
2.
wire
from
Furnace
to
thermostat
wire
.
3
.
wire
from
Furnace
to
thermostat
wire
.
4
.
wire
from
Furnace
to
condensing
unit
contactor
.
R
E
D
R
E
D
WHI
TE
WHI
TE
GR
EEN
GR
EEN
BLACK
WARNING
Failure to install this insulation and coil shelf kit could result in dam-
age to equipment and/or personal injury. Liability and warranty from
the manufacturer could also be void.
!
CAUTION
All areas around the line sets, drain hoses and other openings in
the coil shelf should be sealed air tight. Use some moldable com-
pound or caulking to seal the area. Failure to do so may result in
loss of performance and premature compressor failure.
!
