Nortec NH Series User Manual
Page 44
41 | Start Up
Table 12: Water quality
Water
Parameters
Potable Water
Treated Water
Conductivity
0-1500
Siemens
0-50
Siemens
Hardness
12 grains per gallon
0 grains per gallon
Silica
12 ppm
0 ppm
pH
6.5-7.5
7
Chlorides
> 50 ppm
> 25 ppm
Nortec recommend performing a semi-annual water analysis to ensure optimal
performance.
g. Stand-by Heating (also known as “Keep Warm”)
1. Stand-by Heating activated (“on”) or deactivated (“off”).
NOTE: If stand-by heating is active, the water temperature in the steam tank is
constantly kept at approximately 158ºF (70ºC) by the control board.
h. Capacity Limitation
1. To change the Power Limit (Maximum Capacity), complete the following:
• Press both arrow keys simultaneously,
• Enter code “8808”,
• Change to desired value, and
• Press both arrow keys simultaneously.
i. Inlet Valve Correction
1. Set inlet valve correction (cycle ratio) in % of standard setting value to balance
out water pressure variations. Contact factory for more details.
j. Soft Start
1. Soft Start activated (“on”), consult factory. Deactivated (“off”), factory default.