Innovation In Hydronic Zone Controls
Introducing our new line of hydronic heating zone controls: the ZSR101, ZSR and ZVR Series. The new controls feature:
- Heavy-duty sealed relays for quiet operation
- Compatible with 2, 3 and 4-wire thermostats or other low voltage controllers with switching action
- Easy to read PC board layout
- Convenient R,W,C and T,T,COM dual labeling at thermostat terminals
- Large screw terminals for ease of wiring and on-board ground terminals
- Automatic resettable fuse on 24 V circuit
- Front panel LED indicator light for functional status
- Compact, sleek design
- ZSR and ZVR models
The ZSR101 Series is a versatile single relay control with two outputs for operating a 120 VAC pump with boiler enable, or two 120 VAC devices without boiler enable. Features include rear knock outs for 4×4 junction box mounting, convenient pre-installed jumper for pump operation and 10 amp total load rating.
+ Catalog ↓ Technical Brochure ↓ Wiring Guide
The ZSR Series of controls is for zoning using pumps. Up to 6 zone pumps (model dependent) along with a primary pump can be operated. Zone priority is selectable with 1-hour time-out feature. Other features include pump exercising, selectable post purge and 3 pump ground terminals for simplified wiring.
+ Catalog ↓ Technical Brochure ↓ Wiring Guide
The ZVR Series of controls is for zoning using zone valves. Up to 6 valves (model dependent), along with a system pump, secondary pump(s) and primary pump can be operated. Zone priority is selectable with 1-hour time-out feature. System pump status (on/off) during priority is also selectable. Replaceable snap-fit 40 VA transformer standard for 3 and 4 zone models – expandable to 80 VA with 2nd transformer. 6 zone model has two 40 VA (80 VA) transformers. + Catalog ↓ Technical Brochure ↓ Wiring Guide
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