Taco SR504-EXP - User Manual

TACO ZONE CONTROLS WIRING GUIDE
Pages
Switching Relays – Single Zone Wiring 2 – 2
Switching Relays – Oil Boiler Wiring Safety Notice 2 3– 4
Switching Relays – N
ON EXP Connected Together with Priority 5 – 11
Switching Relays – EXP Connected Together with Priority 12 – 14
Switching Relays – Multiple Indirect Hot Water Heaters 15 – 16
Switching Relays – EXP Connected To Reset Controls (PC700, 702 & 705) 17 – 28
Zone Valve Controls – N
ON EXP Connected Together with Priority 29 – 34
Zone Valve Controls – EXP Connected Together with Priority 35 – 38
Zone Valve Controls – Connected To Reset Controls (PC700, 702 & 705) 39 – 46
Hydro Air Fan Controls (HAFC 101 & 201) 47 – 51
Specialty Thermostat and Zone Valve Wiring 52 – 56
Radiant Mixing Block 57 – 58
X-Pump Block 59 – 61
iSeries Mixing Valves 62 – 63
Low Water Cutoffs and Electric Water Feeders 64 – 79
Aquastat Wiring 80 – 86
Instruction Sheets 87 – 97
Standard Terms and Definitions – 98
Cross Reference 99 – 100
Do it once.
Do it right.
© Taco Catalog No. 100-9.0 Effective Date: July 1, 2010
Supersedes Date: July 1, 2007

Summary

TACO Zone Control Product Information

Switching Relays

Overview of Taco Switching Relays and their product numbers.

Zone Valve Controls

Overview of Taco Zone Valve Controls and their product numbers.

SAFETY NOTICE

How to Check for Two Power Sources

Steps to identify if two power sources are connected to an oil boiler.

How to Correct Wiring

Instructions on how to correctly wire to avoid safety hazards.

Switching Relay Instruction Sheets

SR501 Switching Relay Wiring

Typical and alternative wiring diagrams for the SR501 switching relay.

SR502;503 Switching Relay Applications

SR504;506 Switching Relay Applications

SR501-EXP Switching Relay Applications

SR503;504;506-EXP Switching Relay Applications

Taco SR504-EXP Specifications

General

Brand	Taco
Model	SR504-EXP
Category	Control Unit
Language	English