38/40gxq system operating envelope, Electrical data, Connection diagrams – Carrier 38GXC User Manual
Page 7: Wiring, 38/ 40gx q
7
38/40GXQ SYSTEM OPERATING ENVELOPE
40
50
60
70
80
90
100
110
120
---10
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
0
5
10
15
20
25
30
35
40
45
50
55
60
---40 ---35 ---30 ---25 ---20 ---15 ---10 ---5 0
5
10 15 20 25 30 35 40 45 50 55 60
Cooling
Continuous
Operation
Heating
Continuous
Operation
95_F
60_F
55_F
75_F
55_F
14_F
80_F
115_F
Outdoor Temperature (_C)
In
do
or
Te
m
pe
ra
tu
re
(_
C)
In
door
Te
mpe
ra
tu
re
(_
F)
Outdoor Temperature (_F)
NOTE: Low ambient controls cannot be used with these systems
A09247
Fig. 6 – 38/40GXQ System Operating Envelope
ELECTRICAL DATA
UNIT
SIZE
SYSTEM
VOLTAGE
OPERATING
VOLTAGE*
COMPRESSOR
OUTDOOR FAN
INDOOR FAN{
MCA
MAX
FUSE/CB
AMP
VOLTS---PH---HZ
MAX/MIN
RLA
LRA
FLA
HP
W
VOLTS
FLA
HP
W
009
115---1---60
127/104
4.0
33
.6
.04
30
115
.3
.027
30
20
25
012
4.0
33
.45
.027
20
20
25
* Permissible limits of the voltage range at which the unit will operate satisfactorily
{
Indoor fan powered from outdoor unit.
LEGEND
FLA --- Full Load Amps
LRA --- Locked Rotor Amps
MCA --- Minimum Circuit Amps
RLA --- Rated Load Amps
WIRING
The main power is supplied to the outdoor unit. The field supplied connecting cable from the outdoor unit to indoor unit consists of four
wires and provides the power for the indoor unit as well as the communication signal between the outdoor unit and indoor unit.
Voltage drop on the connecting cable should be kept to a minimum. Use cable size and max length below:
18 AWG
50 ft. (16 m)
16 AWG
100 ft. (33 m)
CONNECTION DIAGRAMS
CONNECTING CABLE
Main Power
Supply
115-1-60
L
N
L
N
GND
S
115-1-60
Power to
Indoor
Unit
Ground
Control
9 &12K Outdoor Unit
9 &12K Indoor Unit
L
N
GND
S
Power to
Indoor
Unit
115-1-60
Ground
Control
Use a four (4) Wire Cable
(Do Not use thermostat wire)
A08292
Fig. 7 – Connection Diagrams
38/
40GX
Q