· Erie SR - v Three Zone Relay with Priority Plus - v Three Zone Relay with Priority Plus Overview: The SR multiple-zone series control relays incorporate up to six double pole/single throw relays (SR/AT) providing control of up to six circulators and a boiler operating control in a multi-zone hydronic heating system. the boiler controller. If the boiler temperature drops below low limit, all circulators deactivate until the low limit is satisfied (refer to Figure-4). To convert the SR for tankless coil application: 1. Remove jumper located between CP/ZC and L1 terminals and install on terminals between L1 and X1. 2. Wire as shown in Figure Electronic. The SP, and Boiler Bosse were designed tooper- ate together. The SR allows the BB Usar to o expand fot three heating Or three heating hot water applications. See Fig, 7 for wiring Connections. Fig, Typical Wiring SR - Boiler Boss. with Domestic HotAVater priority Building 55B n vensys Company Erie £20
• Manual override lever (normally closed only) • Actuator can be replaced without any tools, or removal of the valve from the system • VS Series valve available for low pressure steam Actuator Specifications Voltage: 24 Vac @ 50/60 Hz., Vac @ 50 Hz. and Vac @ 60Hz., Vac @ 50 Hz. and Vac @ 60 Hz., The SP, and Boiler Bosse were designed tooper- ate together. The SR allows the BB Usar to o expand fot three heating Or three heating hot water applications. See Fig, 7 for wiring Connections. Fig, Typical Wiring SR - Boiler Boss. with Domestic HotAVater priority Building 55B n vensys Company Erie £20 Erie SR - Four to Six Zone Relay with Priority Plus - Four to Six Zone Relay with Priority Plus Overview: The SR multiple-zone series control relays incorporate up to six double pole/single throw relays (SR/AT) providing control of up to six circulators and a boiler operating control in a multi-zone hydronic heating system. Field selectable priority for zone 1.
valve and damper actuators, Erie PopTopTM zone valves, Erie Boiler Boss® controls, the Sys- Manual override lever on normally closed actuators. Gas-Fired Natural Draft Hot Water Boilers. INSTALLATION INSTRUCTIONS. These instructions must be affixed on or adjacent to the boiler. providing control of up to six circulators and a boiler operating control in a multi-zone hydronic heating system. Field selectable priority for zone 1.
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