Unit Operating Conditions - Carrier 50YFV Installation, Operation And Maintenance Instructions

R e s i d e n t i a l D i g i t a l P a c k a g e d U n i t s G T- P B S e r i e s - 6 0 H z P u r o n
If performance during any mode appears abnormal, refer to
the DXM2 section or troubleshooting section of this manual.
NOTE: To obtain maximum performance, the air coil should
be cleaned before start-up. A 10% solution of dishwasher
detergent and water is recommended.
Table 12: Coax Water Pressure Drop
Model GPM
30°F*
2.5 0.8
3.0 1.2
024
3.8 1.8
Rev B
4.5 2.7
6.0 3.9
3.0 1.7
3.8 2.3
030 4.5 2.7
6.0 3.8
7.5 5.1
4.0 0.6
6.0 1.8
036
6.8 2.3
Rev B
8.0 3.2
9.0 4.0
3.8 1.7
5.3 2.7
042 7.5 4.5
7.9 4.8
10.5 7.4
4.5 1.4
6.0 2.0
048 6.8 2.5
9.0 4.0
12.0 6.5
6.0 1.2
7.5 2.1
060
9.0 3.1
Rev B
12.0 5.4
15.0 8.1
* Based on 15% methanol antifreeze solution
Table 14: Antifreeze Correction
Antifreeze
Antifreeze Type
%
Water
0
5
Propylene Glycol 15
25
5
Methanol 15
25
5
Ethanol 15
25
5
Ethylene Glycol 15
25

Unit Operating Conditions

Pressure Drop (psi)
50°F 70°F 90°F
0.3 0.2 0.2
0.6 0.5 0.5
1.1 0.9 0.8
1.6 1.2 1.2
2.8 2.2 2.0
0.9 0.8 0.8
1.2 1.1 1.1
1.6 1.4 1.4
2.4 2.2 2.1
3.5 3.1 2.9
0.1 0.1 0.1
1.0 0.7 0.7
1.5 1.1 1.1
2.2 1.8 1.7
2.9 2.4 2.3
1.0 0.9 0.9
1.8 1.6 1.5
3.1 2.8 2.6
3.4 3.1 2.9
5.4 4.9 4.7
1.1 0.9 0.8
1.7 1.4 1.3
2.1 1.8 1.7
3.4 3.0 2.7
5.5 4.9 4.5
0.9 0.8 0.8
1.7 1.5 1.4
2.5 2.3 2.2
4.6 4.2 3.9
7.0 6.4 6.1
Cooling
EWT 90°F
Total Cap Sens Cap Power
1.000 1.000 1.000
0.995 0.995 1.003
0.986 0.986 1.009
0.978 0.978 1.014
0.997 0.997 1.002
0.990 0.990 1.007
0.982 0.982 1.012
0.998 0.998 1.002
0.994 0.994 1.005
0.986 0.986 1.009
0.998 0.998 1.002
0.994 0.994 1.004
0.988 0.988 1.008
Unit Start-Up Procedure
WARNING!
WARNING! When the disconnect switch is closed, high
voltage is present in some areas of the electrical panel.
Exercise caution when working with energized equipment.
Table 13: Water Temperature Change Through
Heat Exchanger
Heating
WPD
EWT 30°F Corr. Fct.
EWT 30°F
Htg Cap Power
1.000 1.000 1.000
0.989 0.997 1.070
0.968 0.990 1.210
0.947 0.983 1.360
0.989 0.997 1.070
0.968 0.990 1.160
0.949 0.984 1.220
0.981 0.994 1.140
0.944 0.983 1.300
0.917 0.974 1.360
0.993 0.998 1.040
0.980 0.994 1.120
0.966 0.990 1.200
®
R e v : 4 A p r i l , 1 4
9 - 12 4 - 8
20 - 26 10 - 17
41