Installation / Operation Instruction Manual

37
Operating Instructions
RTG-K-199/160N/X2 – 6 720 813 642 (2022/06)
Access to information / adjustments menu.
Display shows SA (Settings).
Press the button until A9 (Units) is in the display.
Press the button .
Press the buttons or to select measurement units,
°C - Metric (l/min)
°F - Imperial (gal/min)
Press the button for 3 secs. to save the selected units.
The selected unit blinks.
Press the button to exit units menu.
AB (Region Selection)
Press the button .
Display shows following menu.
EU (Europe)
nA (North America)
Press the button for 3 secs. to save the select region.
The selected region blinks.
Press the button to exit units menu.
RS Recirculation Settings
To define recirculation comfort level,
Press the button .
Press buttons or to define comfort level.
1
2
–...
9
Choosing a higher comfort level (9) will set the recirculation
water temperature closer to the set point defined on the
water heater. Choosing a lower value (1) will favor
efficiency at the expense of recirculation temperature
comfort.
Press the button to select value and to exit
Recirculation Settings.
6.5.5 SL (Temperature Limit)
140 °F (60 °C) is the maximum temperature to be defined for
residential models.
How to select Temperature Limit,
Press the button .
Display shows temperature limit value.
Press the buttons or to select desired temperature
limit or OF (OFF) to unlock the Temperature Limit.
Press the button for 3 secs. to save your selection.
The selected temperature blinks.
Press the button to exit Temperature Limit menu.
6.5.6 PE (Appliance Type)
After defining these parameters, it isn’t possible to modify.
This menu provide access to several parameters:
Press the button .
Press buttons or to scroll through the options.
TP (Appliance Type - Residential)
AP (Appliance Power - 199/160 kBTU)
nO (Appliance Model - IN/OU)
1)
E (Exit)
Press the button for 3 secs. to save your selection.
Press the button to exit recirculation menu.
6.5.7 PF (Bypass Activation)
To Enable or Disable bypass function:
Press the button .
Press buttons or to scroll through the options.
Press the button .
Display shows following menu.
EN (Enable)
DI (Disable)
Press the button to select option.
6.5.8 IC - Ionization control
Default setting is On.
Only a qualified technician can change this parameter.
6.5.9 Pd - Power derate
Default setting is On.
Only a qualified technician can change this parameter.
6.5.10 Minimum power and check (P2)
Only a qualified technician can change this parameter.
1) IN - Indoor / OU - Outdoor