60
A. FILL AND PURGE DHW
The power must remain off until the potable water side of the heater is fully purged of air. To purge the
tank, turn on the cold water feed and open a faucet at the highest point of the system. Observe filling of
the tank and inspect for any leaks in the system which may occur and need to be repaired. Shut off faucet
once all evidence of air is purged from the water stream.
B. FILL AND PURGE HYDRONIC HEATING LOOP
Freeze Protection (When Used)
Never use automotive or standard glycol antifreeze, or ethylene glycol made for hydronic systems. Use
only freeze-prevention fluids certified by fluid manufacturer as specified for use with stainless steel
hydronic heating module heat exchanger and verified in fluid manufacturer’s literature.
Thoroughly clean and flush any system that has used glycol before connecting to the stainless steel
hydronic heating module heat exchanger. Provide MSDS material data safety sheet on fluid used to
owner.
1. Local codes may require back flow preventer or actual disconnect from city water supply.
2. The power must remain off until the hydronic heating loop is fully purged of air.
3. Determine freeze protection fluid quantity using total system water content of 1/2 gallon. Remember to
include expansion tank water content and follow fluid manufacturer’s instructions.
4. When using freeze protection fluid with automatic fill, install a water meter to monitor water make-up.
Freeze protection fluid may leak before the water begins to leak, causing concentration to drop, reducing
the freeze protection level.
5. Close manual any automatic air vents and any drain valves in the hydronic system loop.
6. Fill the system to correct pressure after ensuring the water quality meets the water quality standards
outlined within this manual (See Part 3, Section H). The correct pressure will vary with each application.
a. Typical system pressure is 15 PSI.
b. Pressure will rise when the hydronic module starts to heat from the heated water from the
domestic side of the system. Operating pressure must never exceed the relief valve pressure
setting of 30 psi.
c. At initial fill and during start-up and testing, check system thoroughly for any leaks. Repair all
leaks before proceeding further.
Eliminate all system leaks. Continual fresh make-up water will reduce the hydronic heating module heat
exchanger ability to effectively transfer heat and reduce performance.
7. The system may have residual substances that could affect water chemistry. After the system has been
filled and leak tested, verify that water pH and chlorine concentrations are acceptable by sample testing.
It is important that you purge the system of air to avoid damage to the modulating pump.
Summary of Contents for Versa Hydro PHE130-119
Page 23: ...23 Figure 5 Figure 6 ...
Page 24: ...24 Figure 7 ...
Page 25: ...25 F HYDRONIC PIPING Figure 8 ...
Page 26: ...26 Figure 9 ...
Page 27: ...27 Figure 10 ...
Page 28: ...28 Figure 11 ...
Page 29: ...29 Figure 12 ...
Page 32: ...32 F INTERNAL WIRING Figure 14 Internal connection diagram ...
Page 38: ...38 Figure 17 ...
Page 48: ...48 Figure 25 ...
Page 76: ...76 Figure 29 ...
Page 77: ...77 Figure 30 ...
Page 78: ...78 Figure 31 LP 314 G ...
Page 79: ...79 Figure 32 ...
Page 81: ...81 ...
Page 82: ...82 ...
Page 83: ...83 MAINTENANCE NOTES ...