Watts AERCO Edge [ii] Operation Manual page 125

Edge [ii] Controller Operation Manual
SECTION 6 – ADVANCED SETUP
2. Choose the Application for the unit:
TABLE 6.4: Applications
1 SH (Space Heating)
2 DHW (Domestic Hot Water)
3 Other
4 SH+DHW-2-Vlv (2 Swing Valves)
3. Next, choose the Operating Mode for the unit. The Operating Modes that appear depend
on the Application chosen in the previous step:
If Application = SH, or any Application that includes SH, the SH Operating Mode
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parameter appears. Choose: Constant Setpoint, Remote Setpoint or Outdoor Temp
Reset.
If Application = DHW, or any Application that includes DHW, the DHW Operating
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Mode parameter appears. Choose either: Constant Setpoint or Remote Setpoint.
If Application = Other, or any Application that includes Other, the Other
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Operating Mode parameter appears. Choose either: Constant Setpoint or
Remote Setpoint.
4. Additional parameters now appear, depending on the combination of Application and
Operating Mode chosen in Steps 2 and 3, and in some cases depending on the value of
another parameter, as shown in the tables below. Descriptions of all parameters appear
below the tables.
TABLE 6.5: Application = SH
SH Operating Mode = Constant Setpoint
SH Setpoint
SH Rmt Setpt Source
BST Outdoor Temp
Outdoor Rst Setpt
Warm Weather Shutdown
OAR Min Outside Temp
OAR Max Setpoint
OAR Max Outside Temp
OAR Min Setpoint
* Outdoor Air Reset requires a header temp sensor and an outdoor air temp sensor to be
connected to the one of the units in the cascade, either directly, via the network or BAS.
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OMM-139_E 8/25/2020
5 SH+DHW-1-Vlv (1 Swing Valves)
6 SH+DHW-Stpt Prty (SH Setpoint Priority)
7 Other+SH-Stpt Prty (Other Setpoint Priority)
8 Other+DHW-StptPrty (Other Setpoint Priority)
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Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST
Remote Setpoint Outdoor Air Reset *
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