System commissioning, Water pump performance specifications – Lifebreath 4TONDHW(T) User Manual
Page 35
Water Pump Performance Specifications
16
14
12
10
8
6
4
2
0
Capacity on U.S. gpm
Model 40
1 2 4 6 8 10 12
Total Head in Feet
Model 60
1 2 4 6 8 10 12 14 16 18
20
16
14
12
10
8
6
4
2
0
Capacity on U.S. gpm
Total Head in Feet
35
This section of the manual is designed to be used with the “Commissioning of Integrated Combo
System” worksheet. The worksheet is designed to guide you through the start-up process in a logical,
step by step method which should minimize the work and time involved in having the system meet the
designed parameters.
The following conditions are assumed:
•
The air filter is in place
•
All supply diffusers and return grilles are fully open and unrestricted
•
Hot water is available to the furnace
•
The drain valve for the heating loop is closed
•
The shut off valves for the heating loop are fully open
•
The throttling valve for the heating loop (if applicable), is fully opened
•
Electrical power is available at the furnace
•
The return air temperature from the house is approximately 70˚F (21˚C)
System Commissioning