Switching Relay 302P
Installation Manual
Switching Relay 302P
Two Zones with Priority
H3024A
Power
Priority
Zone 1
Zone 2
RoomResponse
TM
The Switching Relay 302P connects up to two thermostats and operates circulators to provide heating to a zoned
hydronic heating system.
• RoomResponse
TM
signal
• Compatible with all low voltage thermostats
• Unlimited zone expansion
• Zone priority
• Priority override
• Pump exercising
• Post purge
• Away signal shared between tekmar thermostats
Features
• LED for each zone, priority, end switch and
RoomResponse
TM
• Four ground screws
• Top, bottom and back conduit knockouts
• Fuses protect transformers and pumps
• Two spare fuses included
• CSA approved
