SR501-HC-4 Datasheet (Taco)

SR501-HC-4, Switching Relay

R W1 W2 C N H X1 X1 X2 X2 Hot side of transformer.

Connect to R on thermostat.

Switched R signal from thermostat #1.

Connect to W on thermostat.

Switched R signal from thermostat #2.

Connect to W on thermostat.

Common side of transformer.

Connect to COM on thermostat (optional).

Neutral wire of pow

SR501-HC-4 Features

* External Indicator Lights Simplified Wiring Sealed Relays 100% Factory Tested Contractor Friendly PC Board Layout Universal Thermostat Compatibility UL Approved Extended 3 Year Warranty 120 VAC Application: 1 zone switching relay with boiler enable or 2 zone without boiler enable. 240 VAC Applicati