Chronomite ER-50 480 3P Series Инструкция по установке и эксплуатации - Страница 6

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Temperature Adjustment Potentiometer - (L) and (S) Activation Models
The potentiometer allows the factory preset temperature of the heater to be changed in the field. The
potentiometer will adjust water temperature between 70°F and 125°F provided the wattage of the heater selected
is capable of producing the temperature increase at the requested flow rate. See Table 3 temperature chart for
each model to determine the temperature range of the heater installed.
When using the potentiometer please use the following operation instructions:
To increase temperature:
a. Loosen nut
b. Using a screwdriver, turn screw in small increments clockwise (to the right)
c. Once temperature of the water is acquired, tighten the nut
To decrease water temperature:
a. Loosen nut
b. Using a screwdriver, turn screw in small increments counter clockwise (to the left)
c. Once temperature is acquired, tighten the nut
Temperature Adjustment - (H) Activation Models
The H model is factory preset for 84°F only and is designed for tepid water use. See Table 3 temperature chart for
each model to determine the temperature range of the heater installed.
Model
ER-42x/480_3P
ER-50x/480_3P
ER-60x/480_3P
ER-67x/480_3P
ER-90x/480_3P
ER-120x/480_3P
Microprocessor limits temperature increase according to the pre-selected outlet temperature
x = (L)-Low Activation
(S)-Standard Activation
(H)-High Activation
TABLE 3 – Temperature Rise Chart
Wattage
3Φ Voltage
20,000
480
24,000
480
28,800
480
32,000
480
43,200
480
57,600
480
°F Temp Rise @
4.00 GPM
34
41
49
55
74
98
°F Temp Rise @
6.00 GPM
23
27
33
36
49
66
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