Zone Control Brochure

Submittal Sheet

Installation / Operation Manual

Tekmar 304V - Zone Valve Control, Four Zones with Priority

The Switching Relay 301P connects to one thermostat and operates a circulator and boiler to provide heating to a hydronic heating system. The 301P includes optional exercising to prevent circulator seizure when not in use, and optional post purge operation maximize energy savings.

Features

• Compatible with all low voltage thermostats
• Pump exercising
• Post purge
• LED for power and zone
• 20 VA transformer
• Thermal circuit breaker protects transformer
• CSA approved
• Hinged cover
• Top, bottom and back conduit knockouts
• Fuse protects pump
• Spare fuse included
• 3-Year warranty

Specifications

• Control: Microprocessor control. This is not a safety (limit) control
• Packaged Weight: 2.5 lbs
• Dimensions 6-11/16" H x 4-15/16" W x 2-7/16" D
• Enclosure: Cover: ABS plastic, Base: galvanized steel, NEMA type
• Approvals: CSA C US
• Ambient Conditions: Indoor use only, 32 to 122 Degrees F
• Power Supply: 115 V
• Transformer: 20 VA at 24 V (ac), 16 VA available for thermostat
• Control Load: 7.5 VA at 115 V (ac)
• Fuses: T5A, 250 V slow blow, spare fuse included
• Pump Relay: 230 V (ac), 5 A, 1/3 hp
• Boiler XX end switch: 24 V (ac), 5 A

PKZ2100500