Application Data - Carrier 40GXC Product Data

APPLICATION DATA

UNIT SELECTION
When selecting a variable speed system match the system capacity
range to the anticipated load range.
Since a variable speed system can accommodate a wide range of
loads it is important to understand the percentage of time that the
140%
120%
100%
80%
60%
40%
20%
0%
75 (23.9)
55 (12.8)
Outdoor Temperature ˚F (˚C)
Indoor Temp. 80/67_F (26.7/19.4_C) (db/wb) --- Indoor Fan High Speed
= Rating Point
D
Fig. 6 – 38GXC(Q)009 / 40GXC(Q)009 Cooling
140%
120%
100%
80%
60%
40%
20%
0%
75 (23.9)
55 (12.8)
Outdoor Temperature ˚F (˚C)
Indoor Temp. 80/67_F (26.7/19.4_C) (db/wb) --- Indoor Fan High Speed
= Rating Point
D
Fig. 8 – 38GXC(Q)012 / 40GXC(Q)012 Cooling
system will be required to run at the both the maximum and the
minimum load points.
If it is anticipated that the system will be required to run at the
maximum load point for the majority of the time, the next larger
system capacity should be selected.
95 (35) 125 (51.7)
A09176
125 (51.7)
95 (35)
A09177
120%
100%
80%
60%
40%
20%
0%
17 / 15 35 / 33
(-8.3 / -9.4) (1.7 / 0.6)
Outdoor Temperature °F (°C) (DB/WB)
Indoor temperature 75_F (23.4_C) (db) --- Indoor Fan High Speed
= Rating Point
D
Fig. 7 – 38GXQ009 / 40GXQ009 Heating
140%
120%
100%
80%
60%
40%
20%
0%
17 / 15 35 / 33
(-8.3 / -9.4) (1.7 / 0.6)
Outdoor Temperature °F (°C) (DB/WB)
Indoor temperature 75_F (23.4_C) (db) --- Indoor Fan High Speed
= Rating Point
D
Fig. 9 – 38GXQ012 / 40GXQ012 Heating
8
45 / 43 62 / 57
(7.2 / 6.1) (16.7 / 13.9)
A09178
45 / 43 62 / 57
(7.2 / 6.1) (16.7 / 13.9)
A09179