Service manual

41
Residential Digital Packaged Units GT-PC Series - 60Hz Puron
®
Rev.: 14 June, 2013
 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.
Unit Start-Up Procedure
Unit Operating Conditions
Table 14: Water Temperature Change Through
Heat Exchanger
9 - 12
20 - 26
4 - 8
10 - 17
Model GPM
Pressure Drop (psi)
30°F 50°F 70°F 90°F
026
4.0
6.0
7.0
8.0
1.5
3.1
4.1
5.1
1.3
2.6
3.4
4.3
1.1
2.3
3.0
3.8
1.0
2.1
2.7
3.4
038
4.0
6.0
8.0
9.0
1.2
2.6
4.5
5.7
1.0
2.5
4.2
5.2
0.8
2.3
4.0
4.8
0.6
2.1
3.7
4.4
049
5.5
8.3
11.0
12.0
1.1
2.2
3.9
4.5
0.9
2.1
3.6
4.2
0.8
2.0
3.2
3.8
0.7
1.8
3.1
3.5
064
7.0
10.5
14.0
15.0
0.5
1.9
3.9
4.8
0.3
1.8
3.5
4.3
0.2
1.7
3.2
3.9
0.1
1.6
2.9
3.5
072
7.5
11.3
15.0
17.0
1.7
3.9
6.9
8.9
1.5
3.4
6.0
7.7
1.3
3.0
5.4
6.9
1.3
2.8
5.0
6.5
Table 13: 50YG Coax Water Pressure Drop
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.