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Function
The ZSR series is a zone pump and boiler operating control for multiple zone hydronic heating systems. The ZSR series interfaces with low voltage thermostats, or any other low voltage controllers having a switching action. The ZSR series controls up to 6 zone pumps (depending on model selected) and a primary pump. It has LED indicators to provide functional status and easy system troubleshooting.
Features
- Compatible with 2, 3 and 4-wire thermostats or other low voltage controllers with switching action
- 120 VAC input
- Heavy duty, sealed, fuse protected relay (with spare fuse)
- 1 primary pump output and 3 to 6 (model dependent) zone pump outputs (120 VAC/5 A each)
- Zone priority selectable with 1-hour time-out feature
- Convenient R,W,C and T,T,COM dual labeling at thermostat terminals
- DHW (ZR/ZC) dry contacts rated for switching line voltage
- High capacity 12 VA or 20 VA transformer (model dependent)
- Automatic resettable fuse on 24 V circuit
- Selectable post purge
- Selectable pump exercising
- 3 pump ground terminals for simplified wiring
- Expandable to unlimited number of zones using simple 3-wire connection between controls
- Large screw terminals for ease of wiring
- Front panel LED indicator light for functional status
- 100% factory tested with 3 year warranty
- ETL certified to CSA and UL standards
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Lead Content Warning
This product does not comply with the Safe Drinking Water Act, which requires that products used in any system providing water for human consumption (drinking or cooking) to meet low-lead standards. Please check the box below to confirm you are aware that this item is for non-potable water applications only.
Lead Content Warning
Do not use this item for any installation or repair of potable water applications. This product does not comply with the "Safe Drinking Water Act," which requires that products meet low-lead standards in order to be used in systems providing water for human consumption (drinking or cooking). This item is for non-potable (non-human consumption) water applications only.
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