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Operation and Installation Manual for
COPA Nixa12 Hermetic Water Heater
Gas Type Selection may be set from the parameter menu. Factory default value is NG.
• You may enter the parameter menu if you bring POT1 from OFF position to ON position
three times within two seconds.
• The SET symbol and the real parameter value (gas type selection) is displayed when you enter.
• POT2 is used for gas type selection. The gas type that corresponds to the current position of
POT2 flashes on the screen. The selections as per the position of POT2 are as follows:
ON/OFF setting is performed with POT1.
10.1. RESET
10.2. PARAMETER MENU
POT1 trimmer range Effect
0 - 25%
26 - 100%
OFF
ON
POT1 trimmer range Effect
0 - 100% DHW mode active, DHW SET value is set
between minimum - maximum values
DHW SET temperature value is displayed on the screen and DHW mode symbol flashes if
POT2 is rotated. Normal operating parameters are displayed again after 5 seconds when the
setting is stopped.
• The selection is confirmed by bringing the switch from OFF position to ON position three
times within two seconds.
• Changes are cancelled by by bringing the switch from OFF position to ON position
1 or 2 times.
Water heater is reset by bringing POT1 from OFF position to ON position.
The SET symbol flashes with the following indicators
when gas type is being selected:
NG (Natural Gas): nG
LPG : LG
LPG
NG
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