Carrier 69NT40-511-1 Operating And Service Manual page 130

Note: Curves to be used as troubleshooting guide only for model series 69NT40-511 with
fresh air makeup vent closed, unit powered on 460 VAC/60hz and SMV 100% open.
(Bar)
(22.0)
(20.7)
(19.3)
(17.9)
(16.6)
(15.2)
(13.8)
(12.4)
(11.0)
(9.7)
(8.3)
(6.9)
(5.5)
(Bar)
(22.0)
(20.7)
(19.3)
(17.9)
(16.6)
(15.2)
(13.8)
(12.4)
(11.0)
Compressor Discharge Pressure Versus Ambient Air Temperature at Stable Box Temperature
T-268-07
psig
320
300
280
260
35_ _ _ _ F (1.7_ _ _ _ C) Box
240
220
200
180
160
140
120
100
80
60 70
(15.6) (21.1) (26.7)
Ambient Air Temperature
psig
320
300
280
260
240
220
200
180
160
(9.7) 140
(8.3)
120
(6.9) 100
(5.5)
80
60 70
(15.6) (21.1)
Ambient Air Temperature
80 90 100
(32.2) (37.8)
0_ _ _ _ F (- -17.8_ _ _ _ C) Box
80 90 100
(26.7) (32.2) (37.8)
6-36
_ _ _ _ F
110 120
(_ _ _ _ C)
(43.3)
110 120
_ _ _ _ F
(43.3) (48.9) (_ _ _ _ C)