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Caleffi ZSR104 - Z-one™ Relay (four zone)


Caleffi ZSR104 - Z-one™ Relay (four zone)

N-427

Caleffi ZSR104 - Z-one™ Relay (four zone) Multi-Zone Pump Control The ZSR104 is a multi-zone pump and boiler operating control for multiple zone hydronic heating or cooling systems. The ZSR104 interfaces with low voltage thermostats, or any other low voltage controllers Read More
  • Shipping Weight: 2kgs
  • Manufactured by: Caleffi
14 Units in Stock
$427.38

Caleffi ZSR104 - Z-one™ Relay (four zone)

Multi-Zone Pump Control

Caleffi Zone Relay ZSR104

The ZSR104 is a multi-zone pump and boiler operating control for multiple zone hydronic heating or cooling systems. The ZSR104 interfaces with low voltage thermostats, or any other low voltage controllers having a switching action. The ZSR104 controls up to 4 heating circulator pumps, a primary pump and has LED indicators to provide functional status and easy system troubleshooting.

 

ZSR106 Internals (ZSR104 is identical minus three zones)

Caleffi ZSR 106 internals

Features: 

• Compatible with low voltage 2, 3, or 4 wire thermostats
• R, W, C and T T COM dual labeling at thermostat terminals
• Z-oneLink™ unlimited zone expansion
• 120 VAC pump outputs
• Remote Enable input 24 - 120 VAC
• Selectable Priority with 1 hour time-out
• Selectable Post Purge and Exercise
• Dry contacts for ZONE 1 (DHW), capable of switching line voltage
• High capacity transformer
• Large terminal connections
• Simplified wiring with extra ground terminals
• Heavy duty sealed relays
• All pumps fuse protected (with spare fuse)
• Front LED Lights
• 100% Factory tested with 3 year warranty, ETL Approved

 

Multiple Thermostat Configuration

Caleffi ZSR 104 multiple thermostat diagram

Specification:

Power supply: 120 VAC, 50/60 Hz
Transformer voltage: 24 VAC
Maximum transformer load: 12 VA 
Electrical switch rating pump output: 120 VAC, 5A each (20A max combined)
Dry contact rating, Zone 1 ES, XX, AUX: 120 VAC max, 2A each
Replaceable fuses: Type 2AG, 5A slow blow
Working temperature range: 32°F (0°C)—115°F (45°C)
Maximum humidity: 90% non-condensing
Approvals: Conforms to UL873 / Certified to CSA C22 No 24, listed by ETL

ZSR10x Dimensions


Return Policy

We want you to be 100% satisfied with your purchase, if you are not, ship it back to us in the original packaging condition and we will refund your purchase less a 10% restocking fee, provided the equipment is received in good condition. Refund offer valid for 30 days from receipt of product.

We accept PayPal and Credit card (Visa or MasterCard). If you are ordering multiple units and part, please call us to see if we can save you shipping cost for multiple item orders.

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For complete solar kits please allow 2-3 weeks delivery. These kits are shipped via our preferred freight forwarder company and where possible we will schedule residential tailgate delivery (curbside). Heaters and accessories are usually in stock unless indicated otherwise. We do have expedited shipping services available for an additional fee. Please call us if you need a rush order. Once your order has been shipped you will be contacted via email and a tracking number will be provided.


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This product was added to our catalog on Thursday 10 December, 2020.