7–51
T-354
Figure 7.36 R-134a Compressor Pressure & Motor Current Curves Versus Ambient Temperature (1 of 2)
80
100
120
140
160
180
200
220
240
260
280
300
320
60
70
80
90
100
110
120
psig
(43.3)
(37.8)
(32.2)
(26.7)
(21.1)
(15.6)
(
_
C)
(Bar)
(5.5)
(6.9)
(8.3)
(9.7)
(11.0)
(12.4)
(13.8)
(15.2)
(16.6)
(19.3)
(20.7)
(22.0)
35
_
F (1.7
_
C)
Box
(17.9)
Note: Curves to be used as troubleshooting guide only for model series 69NT40 with
fresh air makeup vent closed, unit powered on 460VAC/60Hz and SMV 100% open.
Compressor Discharge Pressure Versus Ambient Air Temperature at Stable Box Temperature
80
100
120
140
160
180
200
220
240
260
280
300
320
60
70
80
90
100
110
120
Ambient Air Temperature
psig
(48.9)
(43.3)
(37.8)
(32.2)
(26.7)
(21.1)
(15.6)
(Bar)
0
_
F (-17.8
_
C)
Box
(5.5)
(6.9)
(8.3)
(9.7)
(11.0)
(12.4)
(13.8)
(15.2)
(16.6)
(19.3)
(20.7)
(22.0)
(17.9)
Ambient Air Temperature
(
_
F)
(
_
C)
(
_
F)
(48.9)
Содержание 69NT40-541-306
Страница 2: ......
Страница 4: ......
Страница 10: ......
Страница 14: ......
Страница 78: ...T 354 5 8 Figure 5 3 Controller Operation Perishable Mode Figure 5 4 Controller Operation Frozen Mode ...
Страница 142: ...T 354 8 2 Figure 8 2 Schematic Diagram Standard Unit Configuration BASED ON 62 66686 00 ...
Страница 143: ...8 3 T 354 Figure 8 3 Unit Wiring Diagram Standard Unit Configuration 1 of 2 BASED ON 62 66686 00 ...
Страница 144: ...T 354 8 4 Figure 8 4 Unit Wiring Diagram Standard Unit Configuration 2 of 2 BASED ON 62 66686 00 ...
Страница 148: ...T 354 8 8 ...
Страница 152: ......
Страница 153: ......