Watts AERCO Edge [ii] - Freeze Protection; Unit Application Configuration

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 102 of 196
6.2.5 Freeze Protection
The Freeze Protection screen contains parameters that can prevent damage due to freeze
conditions.
1. Go to: Main Menu → Advanced Setup → Unit → Freeze Protection.
Figure 6.2.5: Unit: Freeze Protection Screen – Shown Enabled
2. If desired, set Freeze Protection to Enabled.
3. Once Enabled, the following additional parameters appear, which determine when the unit
will shut off and restart:
• Pump On Temperature: Ambient temperature below this value triggers system
pump to start. (Range: 20 to 245°F)
• Unit On Temperature: Ambient temperature below this value triggers the unit to
fire. (Range: 20 to 245°F)
• Stop Temperature: Ambient temperature above this value returns system to
normal operation. (Range: 20 to 245°F)
6.2.6 Unit Application Configuration
The unit’s Application Configuration screen contains operating mode, temperature and
setpoint parameters for Standalone units.
NOTES:
• This option is disabled (greyed out) if Unit Mode = BST Client or BST Manager in
Section 6.3.1: Cascade Configuration, below (it appears only if Unit Mode = Off).
• Some parameters below appear in EZ Setup (see Section 2). EZ Setup walks you through
a full configuration while this screen allows you modify individual parameters.
1. Go to: Main Menu → Advanced Setup → Unit → Application Configuration.