341849-YIM-A-0108
6
Johnson Controls Unitary Products
COMPRESSORS
Units are shipped with compressor mountings factory-
adjusted for shipping.
FIGURE 2 - Typical Field Wiring DIagram
Loosen compressor bolts half turn before
operating unit.
POWER WIRING
24 VOLT TRANSFORMER
UNIT TERMINAL STRIP
THERMOSTAT
CAUTION: Label all wires prior to disconnection when servicing controls. Wiring errors can
cause improper and dangerous operation. Verify proper operation after servicing.
** = Minimum wire size of 18 AWG
wire should be used for all field
installed 24 volt wire.
**
* = Only required on units with
supplemental electric heat.
*
CONTROL WIRING
NOTE:
HEAT ANTICIPATOR
SHOULD BE SET AT 0.25
AMPS FOR ALL MODELS.
PROGRAMMABLE
THERMOSTAT ONLY
REFER TO ELECTRICAL DATA
TABLES TO SIZE THE
DISCONNECT SWITCH,
WIRING & OVERCURRENT
PROTECTION.
TABLE 3: Physical Data
Models
BHA
036
042
048
060
Indoor
Blower
Centrifugal Blower (Dia. X Wd. In.)
Fan Motor Hp
10 x 8
11 x 10
11 x 10
11 x 10
3/4
3/4
3/4
1
Indoor
Coil
Rows Deep
Fins Per Inch
Face Area (Sq. Ft.)
3
3
3
3
15
15
16
16
4.38
4.38
5.62
5.62
Outdoor
Fan
Propeller Dia. (In.)
Fan Motor Hp
Nom. CFM Total
22
22
22
22
1/4
1/4
1/4
1/4
2,400
2,400
2,800
2,800
Outdoor
Coil
Rows Deep
Fins Per Inch
Face Area (Sq. Ft.)
1
1
1
1
20
20
16
20
11.7
11.7
16.4
16.4
Charge
Refrigerant 22 (Lbs./oz.)
5/5
6/0
9/0
10/0
Filter
Face Area (Sq. Ft./qty./size)
4.28/2/14" x 22"
Compressor
Hermetic Type, (Qty. = 1)
Scroll
Recip.
Scroll
Scroll
