Trane 4TTX7 User Manual

32 18-AC125D1-1A-EN
PRESSURE CURVES FOR4TTX7036E1
FIRSTSTAGE SECONDSTAGE
TAM7A0C36H31 TAM7A0C36H31
CoolingwithThermal ExpansionValve CoolingwithThermal ExpansionValve
LIQUID PRESSURE (PSIG)
OUTDOOR TEMPERATURE(Degree F)
SUCTION PRESSURE (PSIG)
OUTDOOR TEMPERATURE(Degree F)
COOLING PERFORMANCE CAN BE CHECKED WHEN THE OUTDOORTEMP IS ABOVE65DEG F.
TO CHECK COOLING PERFORMANCE, SELECT THEPROPER INDOOR CFM, ALLOWPRESSURES TO STABILIZE. MEASURE INDOOR WETBULB
TEMPERATURE, OUTDOORTEMPERATURE, LIQUID ANDSUCTION PRESSURES. ON THEPLOTS LOCATE OUTDOORTEMPERATURE (1);
LOCATE INDOOR WETBULB(2); FIND INTERSECTION OF OD TEMP. & ID W.B. (3); READ LIQUID (4) OR SUCTION(5) PRESSURE IN LEFT COLUMN .
EXAMPLE: FIRSTSTAGE EXAMPLE: SECOND STAGE
(1) OUTDOOR TEMP. 82 F. (1) OUTDOOR TEMP. 82 F.
(2) INDOOR WETBULB67F. (2) INDOOR WETBULB67F.
(3)AT INTERSECTION (3)AT INTERSECTION
(4)LIQUIDPRESSURE @780 CFM IS 307PSIG (4)LIQUIDPRESSURE@1050 CFM IS 287 PSIG
(5)SUCTION PRESSURE @780 CFM IS 141PSIG (5)SUCTION PRESSURE @1050 CFM IS 147PSIG
INTERCONNECTINGLINES
ACTUAL:
GAS-3/4" O.D.
LIQUID PRESSURE SHOULD BE +/-10PSI OF CHART
LIQUID -3/8"O.D.
SUCTION PRESSURESHOULDBE+/- 3PSIG OF CHART
DWG.NO.4TTX7036E1
125
135
145
155
165
40 50 60 70 80 90 100 110 120
125
135
145
155
165
40 50 60 70 80 90 100110 120
150
200
250
300
350
400
450
500
40 50 60 70 80 90 100110 120
150
200
250
300
350
400
450
500
40 50 60 70 80 90 100 110 120
(1)
(1)
(3)
(3)
(5)
(4)
(2)
(2)
INDOOR ENTERING
WETBULBCURVES
TOPTOBOTTOM71,
67, 63 AND59DEG F.
INDOOR ENTERING
WETBULB CURVES
TOPTOBOTTOM71,
67, 63 AND59DEG F.
INDOOR ENTERING
WETBULBCURVES
TOPTOBOTTOM 71,
67, 63 AND59DEG F.
INDOOR ENTERING
WETBULB CURVES
TOPTOBOTTOM71,
67, 63 AND59DEG F.
(2)
(1)
(4)
(3)
(2)
(1)
(3)
(5)

Trane 4TTX7 Specifications

General

Brand	Trane
Model	4TTX7
Category	Heat Pump
Language	English