User Manual HP M3 r3 DN (1) rev2019/03
Page 16
Commissioning Check List
System Location
–
ensure that
✓
The location where the base of the water heater is located is sufficiently compact to
avoid subsidence when the system is filled with water.
✓
Enough room has been allowed for service and maintenance of the water heater.
✓
The system has been installed in a location that allows enough ventilation.
✓
The location is free from any corrosive materials or chemicals.
✓
The location is free from any excessive dust or material that can become airborne.
Water System Piping
✓
Temperature and pressure relief valve (PTR) is properly installed with a discharge pipe
plumbed to suitable drain.
✓
Check that all plumbing connections including piping, valves and fittings are properly
installed and free of leaks.
✓
The system is completely filled with water and all air is drained from the tank and piping.
✓
The tempering valve has been installed per manufacturer’s
instructions and the output
water temperature is in the range required by local authorities.
✓
The condensate drain line is installed and plumbed to suitable drain.
✓
All hot water lines are appropriately insulated and protected from UV degradation.
Electrical Connections
✓
The water heater is connected to a supply that has a voltage between 220 - 240 VAC.
✓
All hard wiring complies with all local applicable codes and the requirements of this
guide.
✓
The water heater and electrical supply are properly grounded.
✓
A correctly sized overload protection device has been installed.