Taco SR506-5 - Page 8

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.