WIRING GUIDE
4009064
Certified to CSA C22-2 No.24
Conforms to UL Standard 873
The ZSR101 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 4x4 junction box mounting, convenient pre-installed
jumper for pump operation, and 10 amp total load rating.
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 simplifi ed wiring.
The ZVR Series of controls is for zoning using zone valves. Up to 6 valves (model dependent), along with a system pump,
secondary pump and zone 1 pump (typically used for DHW priority) can be operated. Zone priority is selectable with 1-hour
time-out feature. System pump and secondary pump status (on/off) during priority is also selectable. Replaceable snap-fi t 40
VA transformer standard for 3 & 4 zone models – expandable to 80 VA with 2nd transformer. 6 zone model has two 40 VA
(80 VA) transformers.
Form 031914 rev.2
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