30
88-A4AC6001-1F-EN
Section 18. Pressure Curves
PRESSURE CURVES (Refer below table for models)
OUTDOOR TEMPERATURE (Degree F)
OUTDOOR TEMPERATURE (Degree F)
COOLING PERFORMANCE CAN BE CHECKED WHEN THE OUTDOOR TEMP IS ABOVE 65 DEG F.
TO CHECK COOLING PERFORMANCE, SELECT THE PROPER INDOOR CFM, ALLOW PRESSURES TO STABILIZE. MEASURE INDOOR WET BULB
TEMPERATURE, OUTDOOR TEMPERATURE, LIQUID AND SUCTION PRESSURES. ON THE PLOTS LOCATE OUTDOOR TEMPERATURE (1);
LOCATE INDOOR WET BULB (2); FIND INTERSECTION OF OD TEMP. & ID W.B. (3); READ LIQUID (4) OR SUCTION (5) PRESSURE IN LEFT COLUMN .
EXAMPLE: (1) OUTDOOR TEMP. 82 F.
(2) INDOOR WET BULB 67 F.
(3) AT INTERSECTION
ACTUAL:
(4) LIQUID PRESSURE @ 600 CFM IS 310 PSIG
LIQUID PRESSURE SHOULD BE +/- 10 PSI OF CHART
(5) SUCTION PRESSURE @ 600 CFM IS 141 PSIG
SUCTION PRESSURE SHOULD BE +/- 3 PSIG OF CHART
115
120
125
130
135
140
145
150
155
160
165
170
50
60
70
80
90
100
110
120
(1)
170
220
270
320
370
420
470
520
50
60
70
80
90
100
110
120
(1)
(3)
(3)
(5)
(4)
(2)
(2)
INDOOR ENTERING
WET BULB CURVES
TOP TO BOTTOM
71, 67, 63 AND 59 DEG F.
INDOOR ENTERING
WET BULB CURVES
TOP TO BOTTOM
71, 67, 63 AND 59 DEG F.
Cooling
@SCFM
A4AC6036B1
A4AC6037B1
OD Model
1000
950
A4AC6042B1
1250
71
63
67
59
LI
QU
ID PRESSURE (PSIG)
SU
CT
ION PRESSURE (PSIG)
Summary of Contents for A4AC6018A1000A
Page 24: ...24 88 A4AC6001 1F EN 3 1 2 4 Ton Units PRINTED FROM D158514P01 2 1 2 Ton Units Accumulator...
Page 25: ...88 A4AC6001 1F EN 25 5 Ton Units PRINTED FROM D158515P01...
Page 26: ...26 88 A4AC6001 1F EN Section 17 Wiring Diagrams 036B 060B Models 018A 048A Models...
Page 27: ...88 A4AC6001 1F EN 27 036B 060B Models 018A 048A Models...
Page 28: ...28 88 A4AC6001 1F EN 060A Models...
