Watts AERCO Edge [ii] - Operating Controls

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 129 of 196
TABLE 6.11: Parameter Descriptions
Item
Name
Description
27
DHW Aquastat Enable
(Application = 2, 4 – 6, 8, DHW Setup = 2 or 4 Port Tank) Set
to Enabled or Disabled.
28
Aquastat Unit Addr
(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)
29
DHW Setpoint Offset
(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)
30
Setpoint Ramp Rate
(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)
31
SH Valve Open Time
(Application = 4, 5) Time delay for the SH swing valve to remain
open after priority has ended. (Range: 0 to 600)
32
DHW Valve Open Time
(Application = 4) Time delay for the DHW swing valve to remain
open after priority has ended (Range: 0 to 600)
33
Other Setpoint
(Application = 3, 7, 8, Other Operating Mode = Constant
Setpoint) Specify the setpoint for the “other” Application
(Range: 160 to 160)
34
Other SH PRI Setpt Mode
(Application = 7) Choose the Setpoint mode: Constant
Setpoint or Remote Setpoint.
35
Other SH PRI Setpoint
(Application = 7, Item 34 = Constant Setpoint)
Specify the setpoint for the SH Priority Application.
(Range: 60°F to 180°F)
36
Other SH PRI Remote Signl
(Application = 7, Item 34 = Remote Setpoint)
Choose the remote signal type: 1-5V, 0-5V or Network.
37
Other DHW PRI Setpoint
Mode
(Application = 8) Choose the Setpoint mode: Constant
Setpoint or Remote Setpoint.
38
Other DHW PRI Setpoint
(Application = 8, Item 37 = Constant Setpoint) Specify the
setpoint for the DHW Priority Application.
(Range: 60°F to 180°F)
39
Other DHW PRI Remote Signl
(Application = 8, Item 37 = Remote Setpoint)
Choose the remote signal type: 1-5V, 0-5V or Network
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 Section 6.3.1: