Operating Controls - Watts AERCO Edge [ii] Operation Manual

Edge [ii] Controller Operation Manual
SECTION 6 – ADVANCED SETUP
TABLE 6.11: Parameter Descriptions
Item Name
27 DHW Aquastat Enable
28 Aquastat Unit Addr
29 DHW Setpoint Offset
30 Setpoint Ramp Rate
31 SH Valve Open Time
32 DHW Valve Open Time
33 Other Setpoint
34 Other SH PRI Setpt Mode
35 Other SH PRI Setpoint
36 Other SH PRI Remote Signl
Other DHW PRI Setpoint
37
Mode
38 Other DHW PRI Setpoint
39 Other DHW PRI Remote Signl

6.3.4 Operating Controls

The Operating Controls screen provides access to multiple operating parameters for the plant
and units in a BST cascade.
NOTE:
This screen, and all the screens accessible from this screen, is available only after BST
Cascade functionality has been enabled (see the Unit Mode parameter in
•
OMM-139_E 8/25/2020
Description
(Application = 2, 4 – 6, 8, DHW Setup = 2 or 4 Port Tank) Set
to Enabled or Disabled.
(Application = 2, 4 – 6, 8, DHW Aquastat Enable = Enabled)
The address of the unit to which a DHW Aquastat is connected;
0 = Disabled. If the Aquastat switch opens, units supporting the
DHW side are disabled. (Range: 0 to 16 or max address)
(Application = 6, 8) In "Setpoint Priority Mode", when both
Space Heating/Other and DHW loads are active, this is the DHW
Setpoint Boost Value. (Range: 0°F to 10°F)
(Application = 6 – 8) In "Setpoint Priority Mode", when the active
setpoint switches from one value to another, this is the active
setpoint rate of change, to ensure a smooth transition from one
setpoint to another. (Range: 5 to 30)
(Application = 4, 5) Time delay for the SH swing valve to remain
open after priority has ended. (Range: 0 to 600)
(Application = 4) Time delay for the DHW swing valve to remain
open after priority has ended (Range: 0 to 600)
(Application = 3, 7, 8, Other Operating Mode = Constant
Setpoint) Specify the setpoint for the "other" Application
(Range: 160 to 160)
(Application = 7) Choose the Setpoint mode: Constant
Setpoint or Remote Setpoint.
(Application = 7, Item 34 = Constant Setpoint)
Specify the setpoint for the SH Priority Application.
(Range: 60°F to 180°F)
(Application = 7, Item 34 = Remote Setpoint)
Choose the remote signal type: 1-5V, 0-5V or Network.
(Application = 8) Choose the Setpoint mode: Constant
Setpoint or Remote Setpoint.
(Application = 8, Item 37 = Constant Setpoint) Specify the
setpoint for the DHW Priority Application.
(Range: 60°F to 180°F)
(Application = 8, Item 37 = Remote Setpoint)
Choose the remote signal type: 1-5V, 0-5V or Network
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Section 6.3.1:
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