SmartPlate Installation, Operation & Maintenance Manual
CHAPTER 4 – ADJUSTMENT
OMM-0069_0H • SP-100 • 1/30/2020 Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST Page 31 of 134
Figure 4-4. Control Box – Front View
NOTE:
When the Power Switch on the Control Box is set to the ON position, it also energizes the
internal 24 VAC Transformer in the Control Box. This in turn provides 24 VAC power to the
Control Valve Actuator, provided that the water temperature at the heater outlet is below the
high temperature limit setting.
4.2.3 SETPOINT TEMPERATURE ADJUSTMENT
The setpoint temperature is adjusted using the controls and displays provided on the
Temperature Controller (Eurotherm 2408). These controls and displays are illustrated and
described in Figure 4-5 and Table 4-2. If necessary, setpoint temperature adjustment is
accomplished as follows:
SETPOINT TEMPERATURE ADJUSTMENT Instructions
1. With the Control Box door open, set the ON/OFF POWER switch on the right side to the ON
position. The Temperature Controller will initiate a self-test for approximately 3 seconds.
Following the self-test, the top display will show the current outlet water temperature of the
unit and the lower display will show the current setpoint temperature stored in memory
(default = 140°F).
2. Ensure that the Temperature Controller is set to the AUTO (automatic) mode and the AUTO
indicator is lit. If the MAN indicator is lit, press the AUTO/MAN button to toggle the mode
setting. Indicator OP1 should also be lit.
BOILER WATER
TEMPERATURE
INDICATORS
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