9
DHW Setpoint Change Mode
The display shows the following information during water heating temperature setpoint changes.
* Initial DHW setpoint is 120°F (49°C)
* 1st DHW set-point range is 95 ~125°F (35 ~ 52°C)
When button C
is pressed shortly at standby mode (not blinking), current DHW setpoint will be displayed
and DHW icon will be blinking.
* 2nd DHW set-point range is 125 ~140°F (52 ~ 60°C).
When button C
is pressed continuously at standby mode (not blinking), current DHW setpoint will be dis-
played and DHW icon will be blinking. Also, caution mark(H.) will be presented.
Current DHW setpoint can be changed by rotating dial.
After changing temperature, user should press E button (enter) in order to save the value.
- Changing temperature unit
When button D is pressed continuously (more than 5 seconds), the temperature units will toggle. s
Indicate
Indicator
Current setpoint temperature
2, 3, 4
Temperature sign Celsius or Fahrenheit
S35 or S38
If display is connected to main controller, normally the communication state will be
indicated.
S15 ~ S19
When DHW setpoint range is high : from 125°F (52°C) to 140°F (60°C)
1(H), S29
DHW display blinks.
S24
Method of Operation
Summary of Contents for Marquis TWH180
Page 24: ...22 Error Codes 1 Flame Detection ...
Page 25: ...23 Error Codes 2 Gas Detection 3 Sensing air pressure ...
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