Datasheet Summary
Instruction Sheet
SUPERSEDES: June 1, 2010 Plant ID# 9300-2795
102-418
SR501-HC-4 Switching Relay, High Current Capacity
EFFECTIVE: June 1, 2012
Features
: External Indicator Lights Simplified Wiring Sealed Relays 100% Factory Tested Contractor Friendly PC Board Layout Universal Thermostat patibility UL Approved Extended 3 Year Warranty 120 VAC Application: 1 zone switching relay with boiler enable or 2 zone without boiler enable. 240 VAC Application: 1 zone switching relay when switching both of the circulator hot leads (L1 & L2). Operation: Connect a thermostat to the R & W1 and/or W2 terminals on the switching relay. When the thermostat(s) call for heat, the relays are energized...