American Water Heater SRCC OG-100, Instruction Manual

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SENSOR DESCRIPTION
S1 Collector sensor
S2 Secondary loop heat exchanger sensor
S3 Tank sensor
S4 Primary loop heat exchanger sensor
RELAYS DESCRIPTION
R1 Primary loop pump
R2 Secondary loop pump
OPERATION AND FUNCTION
1 2
3
OPERATION
CONTROL LAMP
BACKWARDS FORWARDS
SET
(SELECTION / ADJUSTMENT MODE)
Figure 32.
The controller is operated by 3 push buttons below the display. The forward key (1) is used for scrolling forward through
the indication menu or to increase the adjustment values. The backwards key (2) is used for scrolling backward through
the indication menu or to decrease the adjustment values.
For system settings adjustment press the forward key to reach the last display channel. Then hold the forward button
down for 2 seconds and the system setting screens can then be shown. If an adjustable value is shown on the display
is indicated. To change the set value press the Set button (3) so that flashes. Adjust the value using button 1
or 2 until the desired value is shown then press button 3 so that permanently appears. The adjusted value is now
saved.
System Monitoring Display
System screen with toolbar
Channel display
The system monitoring display consists of 3 blocks: channel indication, the toolbar, and
system screen.
The channel indication consists of two lines. The upper line is an alphanumeric 16
segment indication in which the channel name or menu item is shown. The lower 7
segment indication shows the channel value and the adjustment parameters are
indicated.
Temperatures are indicated in °F / °C, Temperature differences are indicated in °F / K
The symbols in the toolbar indicate the current system status: