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Caleffi Z-one ZSR104 4 Zone Pump Relay, 24 VAC
CALEFFI ZSR104 RELAY FOUR ZONE PUMP CONTROL
Hydronic Switching Relays
}
Caleffi Z-one ZSR104 4 Zone Pump Relay, 24 VAC
3304315
Product ID:3304315
Famous Supply
- Dimensions: 11 in L x 3 in W x 9-1/4 in H
- Display Type: LED
- Frequency Rating: 50/60
- Power Rating: 120 vac
- Series: ZSR
- Type: 4 Zone
- Voltage Rating: 24
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
- Standards & Approvals
| Installer friendly - Ample room for terminations, large screw terminals, automatic resettable fuse, snap-in transformers |
| Application versatility - 3 selectable 120 VAC auxiliary switches for enabling pumps and boilers, dedicated pump outputs, unlimited zone expansion |
| Extremely reliable design - Clutch-protected drive train, durable synchronous motor, millions installed in North America |
| Compact design with snap-on actuator with a convenient in-line push button, removable bottom cap allows for easy in-pipe service |
| Application versatility - Hot water, chilled water and low-pressure steam |
| Compatible with 2, 3 and 4-wire thermostats or other low voltage controllers with switching action |
| Heavy duty, sealed relays |
| 1 primary pump output and 3 to 6 (model dependent) zone pump outputs (120 VAC/5 A each) |
| Zone priority selectable with 1 hr time-out feature |
| Convenient R, W, C and T, T, COM dual labeling at thermostat terminals |
| System pump status (on/off) during priority selectable |
| Dry contacts (XX,AUX, ZONE 1 E/S) capable of 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 |
| CETLSUS 4009064 Certified to CSA C22-2 No. 24 |
| Conforms to UL Standard 873 |