UPZCP-4, 4-Zone Pump Control, Expandable

Description

Grundfos UPZCP-4 is four-zone pump control relay for domestic hydronic heating systems. UPZCP-4 relay provides control when zoning with pumps or low voltage zone valves for four zones. Replaces Taco: SR504-4, SR504-EXP-4.

Features:

• Compatible with 2-, 3-, and 4-wire low voltage controllers or thermostats
• Wiring ease with 120 VAC, ground and low voltage screw terminal inputs
• Low voltage end-switch output terminals for the zone valves
• Zone priority with selectable time-out feature
• Pump exercise feature, selectable 72-hours or 14-days
• Post purge feature
• Front facing LED indicator lights on the cover
• Side-mounted terminal connections for ease of wiring and installation.

Technical Specifications:

• Input Power (60 Hz): 120 VAC
• Transformer Voltage: 24 VAC, 40 VA, Class 2
• Thremostat Output: 0.5 A
• Maxmum Single Phase Motor Rating (per zone): 5 A
• Maximum combined load rating (output @ 120 VAC): 20 A
• Temperature Range (storage): 50 – 100°F (10 – 38°C)
• Temperature Range (maximum operation): 0 – 100°F (-18 – +38°C)
• Maximum operating humidity range: 90% RH
• Number of Knockouts: 12
• Size of knockouts: 0.875″ (22mm)
• Dimensions (W x H x D): 5.93″ x 4.80″ x 2.36″ (151mm x 122mm x 60mm)
• Relay Type: Sealed
• Cover Panel: ABS – Fire Rated
• Base Material: Galvanized Steel
• Terminal Block (sied mounted): PA66
• Approvals: CSA 22.2 No 24/UL Standard 873.

Warranty:
2-Year Manufacturer’s Warranty