45
Page
Normal Operation
Owner's Guide
Operation
Screen on the controller
Built-in controller
Remote controller
1.
Turn on the 120 VAC power supply to the unit (the water heater or the
multi-unit controller).
2.
Press the
"ON/OFF"
button on the controller in order to turn the
controller on.
3.
When ON, the STAND BY LED is lit.
4.
It shows
the set temperature on its display as shown in the picture on
the right. (EX.: 120 °F)
(EX.: 120 °F)
5.
Press the
"HOT"
button or the
"COLD"
button to set the temperature
setting of the unit.
WARNING! Higher temperatures increase the risk of scalding, but
even at 120 °F (50 °C), hot water can scald (page 6).
Increasing temperature from 120 °F (50 °C) to 125 °F (52 °C) :
1. The water heater must be in Stand By to increase the temperature.
2.
Press the "HOT" button to set 120 °F (50 °C).
3.
Press and hold the "INFO" button and the "HOT" button for at least 3
seconds. The remote will emit a beep and change to 125 °F (52 °C).
4.
Press the "HOT" button to set up to 140 °F (60 °C).
-540HX3 model only-:
Increasing temperature above 140 °F (60 °C)
To reduce the risk of scalding, install Thermostatic Mixing Valves (tem
-
perature limiting valves) at each point of use.
1. The water heater must be in Stand By to increase the temperature.
2.
Press the "HOT" button to set 140 °F (60 °C).
3.
Press and hold the "INFO" button and the "HOT" button for at least 3
seconds. The remote will emit a beep and change to 145 °F (63 °C).
4.
Press the "HOT" button to set up to 160 °F (70 °C).
OUTLET WATER TEMPERATURE SETTING
-Set temperature-
°F
100 105 110 115 120* 125 130 135 140
°C
38
40
43
45 50* 52
55
57
60
a) For 240HX3 and 340HX3 models
°F
100 105 110 115 120* 125 130 135 140 145 150 155 160
°C
38
40
43
45 50* 52
55
57
60
63
65
68
70
b) For 540HX3 model with 100209924 (TM-RE42)
*Factory setting (Default): 120 °F
TEMPERATURE TABLE OF CONTROLLER
Summary of Contents for 240HX3
Page 64: ...3PL009 2000599585 Rev B ...
