Trane A4HP4 User Manual

26 88-A4HP4001-1G-EN
Section 19. Pressure Curves
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, DISCHARGE 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 DISCHARGE OR SUCTION PRESSURE IN LEFT
COLUMN (4).
EXAMPLE: (1) OUTDOOR TEMP. 82 F.
(2)
INDOOR
WET
BULB
6
7
F
.
(3)
AT
INTERSECTION ACTUAL
:
(4) DISCHARGE PRESSURE @ 740 CFM IS 291 PSIG. DISCHARGE PRESSURE SHOULD BE +/- 10 PSIG OF CHART
(5) SUCTION PRESSURE @ 740 CFM IS 154 PSIG. SUCTION PRESSURE SHOULD BE +/- 3 PSIG OF CHART
TEM4A0B18S21+TDR TEM4A0B18S21+TDR
Cooling @ 650 SCFM Heating @ 650 SCFM
OUTDOOR TEMPERATURE (Degree F)
OUTDOOR TEMPERATURE (Degree F)
130
135
140
145
150
155
160
165
170
60 80 100 120
200
250
300
350
400
450
500
550
60 80 100 120
(1)
(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.
30
40
50
60
70
80
90
100
110
120
130
140
150
-5 5 152535455565
200
250
300
350
400
-5 5 152535455565
INDOOR ENTERING
DRY BULB CURVES
TOP TO BOTTOM
80, 70, AND 60 DEG F.
INDOOR ENTERING
DRY BULB CURVES
TOP TO BOTTOM
80, 70, AND 60 DEG F.
DISCHARGE PRESSURE (PSIG)SUCTION PRESSURE (PSIG)
PRESSURE CURVES FOR A4HP4017D1
DWG.NO. A4HP4017D1

Trane A4HP4 Specifications

General

Brand	Trane
Model	A4HP4
Category	Heat Pump
Language	English