Watts AERCO Edge [ii] - Page 125

Edge [ii] Controller Operation Manual
SECTION 6 – ADVANCED SETUP
OMM-139_E • 8/25/2020 Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST Page 125 of 196
2. Choose the Application for the unit:
TABLE 6.4: Applications
1 SH (Space Heating)
5 SH+DHW-1-Vlv (1 Swing Valves)
2 DHW (Domestic Hot Water)
6 SH+DHW-Stpt Prty (SH Setpoint Priority)
3 Other
7 Other+SH-Stpt Prty (Other Setpoint Priority)
4 SH+DHW-2-Vlv (2 Swing Valves)
8 Other+DHW-StptPrty (Other Setpoint Priority)
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
parameter appears. Choose: Constant Setpoint, Remote Setpoint or Outdoor Temp
Reset.
• If Application = DHW, or any Application that includes DHW, the DHW Operating
Mode parameter appears. Choose either: Constant Setpoint or Remote Setpoint.
• If Application = Other, or any Application that includes Other, the Other
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
Remote Setpoint
Outdoor Air Reset *
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.