Resideo R856B1002

ENCLOSED FAN CONTROL CENTER FOR 24V CONTROL OF LINE

The R8845U Universal Switching Relay with 24 V transformer provides intermediate switching of line-and low-voltage devices from a line- or low-voltage controller and is typically applied in Hydronic heating systems.

Specifications

• Replaceable socketed relays.
• Two troubleshooting LED.
• Push-to-test button.
• Replaceable transformer fuse.
• Low-voltage contact rating for Powerpile applications.
• Long-life DC relay drive control technology.
• Relay for use with external 24 Vac or 24 Vdc supply, with line-voltage control, or with internal 24 V transformer supply.
• One model replaces many competitor models.
• One model may replace many Honeywell models:R182A,B,C,J; R482A,B,C,J; R845; R882A,B,C,J and RA832..

Features

• Description: Universal switching relay with internal transformer, two line voltage SPST relays and one low voltage SPST relay with PowerPile rating.
• Application: Provides intermediate switching of line and low voltage devices from a line or low voltage controller
• Switching Action: Two SPST, plus PowerPile rated low voltage SPST relay. (If normally closed contacts are needed, use RA889A).
• Coil Ratings Current: .4A
• Coil Ratings Voltage: 24 Vac
• Thermostat Heat Anticipator Setting: . 12A
• Transformer Primary Rating:120 Vac, 60 Hz
• Transformer Secondary Rating: 24 Vac, 12 VA max., 9 VA available for external load. Secondary protected by replaceable 1A automotive fuse
• Temp Range: (Ambient) -20 F to +120 F
• Thermostat Compatibility: Honeywell electromechanical and electronic 2- or 3-wire
• Dimensions: 6 ¼ in. high x 4 7/16 in. wide x 3 ½ in. deep
• Electrical Connections: 2 or 3-wire
• Operating Humidity Range: 0 to 90% RH, non-condensing
• Electrical Ratings (Primary Voltage): 120v, 60 Hz
• Includes: Integral transformer, enclosure