Carrier 50GCQ Series - Page 38

38
Fig. 61 — Outdoor-Air Damper Leakage
Fig. 62 — Return Air Temperature or Enthalpy Sensor
Mounting Location
Fig. 63 — EconoMi$er IV W7212 Control
0
500
1000
1500
2000
2500
0 0.05 0.1 0.15 0.2 0.25 0.3
Return Duct Static Pressure (in. wg)
Relief Flow (cfm)
3-5 Ton
Horizontal Economizers
0
1000
2000
3000
4000
5000
6000
00.10.20.30.4
3-5 Ton
Horizontal Economizers
0
500
1000
1500
2000
2500
0 0.05 0.1 0.15 0.2 0.25 0.3
3-5 Ton
Vertical Economizers
Vertical Economizers
0
1000
2000
3000
4000
5000
6000
3-5 Ton
Horizontal Economizer Barometric Relief Flow
Horizontal Economizer Return Air Pressure Drop
Vertical Economizer Barometric Relief Flow
Vertical Economizer Return Air Pressure Drop
0 0.1 0.2 0.3 0.4
Relief Flow (cfm)
Relief Flow (cfm)
Relief Flow (cfm)
Return Duct Static Pressure (in. wg)
Return Duct Static Pressure (in. wg) Return Duct Static Pressure (in. wg)
6 Ton
6 Ton6 Ton
6 Ton
EconoMi$er IV
EconoMi$er IV
Controller
Grommet
Return Air
Sensor
Return Duct
(Field-Provided)
TR1
24 Vac
COM
TR
24
Va c
HOT
12
3
4
5
EF
EF1
+
_
P1
T1
P
T
N
EXH
2V 10V
EXH
Set
Set
2V 10V
2V 10V
DCV
DCV
Free
Cool
B
C
A
D
SO+
SR+
SR
SO
AQ1
AQ
DCV
Min
Pos
Open
Max
N1