56 | Unit Troubleshooting
Water Side Pressure Drop Table for VT Units
Model
GPM
SM024
SM036
SM048
SM060
SM070
* Hose kit pressure drop based on straight hose. Pressure drop may vary depending on installation of hose kits.
Table 16 Water Side Pressure Drop Table for VT Units
8733819578 (2019/02)
Heat Pump Water Pressure Drop
Water PD @ 77°EWT with Water
in PSI
3
4
5
6
7
8
4.5
6
7.5
9
10.5
12
6
8
10
12
14
16
7.5
10
12.5
15
17.5
9
12
15
18
Subject to change without prior notice
0.9
1.5
2.2
3.0
4.0
5.0
0.9
1.5
2.2
3.1
4.0
5.1
1.3
2.2
3.3
4.5
5.9
7.6
1.7
2.9
4.3
6.0
7.9
2.4
4.0
6.0
8.3
Greensource CDi Series SM
Additional Pressure Drop in
Hose Kit*
Water PD in PSI
0.03
0.05
0.08
0.11
0.14
0.18
0.07
0.11
0.16
0.22
0.28
0.36
0.11
0.18
0.26
0.36
0.47
0.59
0.16
0.26
0.38
0.53
0.69
0.22
0.36
0.53
0.72
Greensource CDi Series SM Model