Wiring Guide
Table Of Contents
- Thermostat Input (24 vac):
- Power Input (120 vac):
- Circulator Output; Zones 1-6 (120 vac):
- Circulator Output; ZR / AUX 1 (120 vac):
- Circulator Output; Primary / AUX 2 (120 vac):
- H Connect the Hot output to Hot power input on circulator.
- Low Limit Aquastat / Tankless Coil Application (120 vac):
- SmartPlus Recirc Logic Sensor
- -Connect the strap-on sensor to the two terminals labeled Recirc Sensor on switching relay.
- SAFETY NOTICE
- TWO SEPARATE sources of power may be connected to an oil boiler’s aquastat control.
- Zone naming
- Programmable output naming
- Alerts & messages
- Post purge time delay adjustment
- Pump exercise time delay adjustment
- Priority protection time delay adjustment
- Indoor boiler reset
- Outdoor boiler reset
- SmartPlus® DHW recirculation logic
- AUX 1 output behavior
- AUX 2 output behavior
- AUX 3 output behavior
- Cooling function
- Zone association
- For your convenience, the Taco Tech Support team is available anytime 24/7. Just call 401-942-8000 for help.
Dip Swit ch Settings; Master
1. OFF - Master
2. ON - Priority
3. OFF - Primary Pump
4. OFF or ON - Post Purge
5. OFF or ON - P ump Exerci se
6. OFF - ZC Low Limit
Dip Swit ch Settings ;
Expansion
1. ON - Expansion
2. OFF - Priority
3. OFF - Primary Pump
4. OFF or ON - Post Purge
5. OFF or ON - P ump Exerci se
6. OFF - ZC Low Limit
PA03-C –High & Low Temp Temperature Zones & Indirect DHW; Primary/Secondary
Mechanical Diagram
Electrical Diagram
Conceptual
Sketches Only,
refer to individual
manufacture’s
installation
instructions for
additional details.
Local codes shall
prevail.