Watts AERCO Edge [ii] - Analog Outputs

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 153 of 196
4. This screen includes the following additional parameters:
• Relay Trigger: Choose the selected relay’s activation trigger:
o BAS
o Always On
o Unit Demand
o OAR
o DHW Demand
o System Demand
• Relay Polarity: Choose how the relays will be defined when deactivated, either N.O.
(Normally Open) or N.C. (Normally Closed).
• Pump Off Delay: Enter a delay time after the unit shuts down before the pump turns
off. (Range: 0 to 30 minutes)
• Pump Sequencing (appears when Relay Name = System Pump) To turn on pump
sequencing, set to Enabled. When enabled, the following additional parameters appear:
o Second Pump: Displays the 2
nd
pump, either: V2/Spare 1 Relay or Spare 2
Relay.
o Pump Sequencing Hours: The number of hours each pump will run before
switching to the other pump (Range: 1 to 250)
o Flow Providing Interlock: The Flow Providing Interlock proves a pump is
operational before firing any units. This parameter specifies the number of the unit
that has the Flow Providing Interlock. (Range: 0 to 16)
6.5.3 Analog Outputs
The Analog Outputs menu allows you to configure the three available analog outputs.
1. Go to: Main Menu → Advanced Setup → Ancillary Device → Analog Outputs.
Select Output = Spare Analog Out 1 Select Output = Spare Analog Out 2
Figure 6.5.3: Ancillary Devices: Analog Outputs Screen
2. In the Select Output parameter, choose the analog output you want to configure. These
outputs attach to the unit’s I/O box strip J5, on the pins shown below.
• Spare Analog Out 1 – pin 7 Spare Analog Out 1+ pin 8 Spare Analog Out 1-
• Spare Analog Out 2 – pin 9 DHW V.S. Pump + pin 10 DHW V.S. Pump -
• Spare Analog Out 3 – pin 11 Spare Analog Out 3+ pin 12 Spare Analog Out 3-