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Installation & Operation Manual
SYNC control module
Figure 10-1 Status Screen
The Status Screen displays boiler status, Cascade addresses, outlet water temperature, inlet water temperature, system
temperature, and tank temperature.
The boiler can be changed by pressing the ON/OFF button. The Details Screen and Main Menu Screen can be accessed by
pressing the appropriate button.
10 Operating information (continued)
When the ON/OFF switch is turned to the ON position, the
first screen visible on the LCD display will be the Status
Screen. This screen displays the current status of the SYNC
boiler. The following items can be viewed or interacted with
on the Status Screen:
On/Off button - Pressing this button allows the boiler to be
placed in either Manual Shutdown Mode or Standby Mode.
Boiler Status - This line shows the current operating status of
the SYNC boiler. Displayed items are as follows:
• Manual Shutdown - The boiler will not
respond to either a system call or a hot water
generation call.
• Standby - The boiler has not received a system call
or hot water generation call.
• SH Call for Heat - The boiler has received a system heat
call.
• SH Pump Delay - The boiler has satisfied a system heat
call and the boiler pumps are running for a fixed
time to remove any residual heat.
• HW Storage - The boiler has received a hot water
generation call.
• HW Pump Delay - The boiler has satisfied a hot water
generation call and the hot water generator pumps
are running for a fixed time to remove any residual
heat.
• SH BMS - The boiler has received a call for heat from
a 0-10 VDC BMS control.
• Service Set Point Met - While in Service Mode, the
water temperature at either the outlet sensor or the
system sensor has exceeded 185°F.
• HW Outlet Set Point Met - The outlet water
temperature has exceeded the HW Generator Set Point
parameter.
• OA Shutdown - The outside air temperature has
exceeded the Outdoor Shutdown Set Point parameter.
• SH Set Point Met - The water temperature as measured
by the system supply sensor has exceeded the User Set
Point parameter or if the optional Outdoor Air Sensor
was used, the calculated set point based on the
Outdoor Reset parameters.
• Anti-Cycle Delay - The boiler has satisfied a system
heat call, but has received another system heat call
before the anti-cycling time parameter has elapsed.
• Cascade ComError - A communication error has
occurred between the Module 1 and Module 2 control
modules or between the Leader and Member boilers.