437758-YIM-A-0409
12
Johnson Controls Unitary Products
Figure 9: Typical Field Control Wiring Diagram Two Stage Thermostat-Two Stage Gas Heat
Figure 10: Typical Field Power Wiring Diagram
R
G
W
2
R
G
C
Y
Y
1
W
2
C
W
1
W
1
Y
2
** = Minimum wire size of 18 AWG
wire should be used for all field
installed 24 volt wire.
THERMOSTAT
UNIT CONTROL BOARD
TERMINAL STRIP
24 VOLT
TRANSFORMER
* *
NOTE: HEAT ANTICIPATOR
SHOULD BE SET AT 0.35
AMPS FOR ALL MODELS.
PROGRAMMABLE
THERMOSTAT ONLY
Table 6:
Electrical Data
Size
(Tons)
Volt
Compressors
(each)
OD Fan
Motors
(each)
Supply
Blower
Motor
MCA
1
(Amps)
1. Minimum Circuit Ampacity.
Max
Fuse
2
/
Breaker
3
Size
(Amps)
2. Maximum Over Current Protection per standard UL 1995.
3. Fuse or HACR circuit breaker size installed at factory or field installed.
RLA
LRA
MCC
FLA
FLA
024
(2.0)
208/230-1-60
8.3
43
13
1.4
4.3
16.1
20
030
(2.5)
208/230-1-60 14.1
73
22
1.4
6.8
25.8
35
208/230-3-60
8.9
58
14
1.4
6.8
19.3
25
460-3-60
4.2
28
7
0.8
3.4
9.5
15
036
(3.0)
208/230-1-60 14.1
77
22
1.4
6.8
25.8
35
208/230-3-60
9.0
71
14
1.4
6.8
19.5
25
460-3-60
5.6
38
9
0.8
3.4
11.2
15
042
(3.5)
208/230-1-60 21.8
105
34
1.7
9.1
38.1
50
208/230-3-60 14.1
95
22
1.7
9.1
28.4
35
460-3-60
6.4
45
10
0.9
4.6
13.5
15
048
(4.0)
208/230-1-60 20.5
115
32
1.7
9.1
36.4
45
208/230-3-60 16.0
120
25
1.7
9.1
30.8
40
460-3-60
7.7
50
12
0.9
4.6
15.1
20
060
(5.0)
208/230-1-60 25.0
134
39
2.8
9.1
43.2
60
208/230-3-60 15.9
110
25
2.8
9.1
31.8
40
460-3-60
7.7
52
12
1.4
4.6
15.6
20