HWM-H-IOM (10/14)
Page 3
Table of Contents
1. Inspection/Pre-Installation ........................................................................................................ 5
A. Inspection ............................................................................................................................. 5
B. Pre-Installation ...................................................................................................................... 6
2. General System Layout ............................................................................................................ 7
3. Application ............................................................................................................................... 8
4. The Primary Circuit .................................................................................................................. 9
A. Plumbing ............................................................................................................................... 9
B. Antifreeze Protection ........................................................................................................... 11
C. Water Quality ...................................................................................................................... 13
D. Storage Water Heater Sizing and Connections .................................................................. 14
E. HWM Dimensions and Component Information .................................................................. 14
F. Refrigerant Piping ............................................................................................................... 16
5. Controls and Electrical ........................................................................................................... 17
A. Hydronic Heating Only ........................................................................................................ 17
B. HWM Freeze Protection Thermostat ................................................................................... 19
6. Start-Up ................................................................................................................................. 20
7. Heat Exchanger Maintenance ................................................................................................ 22
8. Tools and Equipment ............................................................................................................. 26
9. Index ...................................................................................................................................... 27
