Product Overview

Application

The Multi-pump Relay provides

switching control of multiple-line

voltage loads and a single low-

voltage load. This electrical device

controls up to three pumps or

circulators in radiant floor heating

or other hydronic applications.

The control features a priority

demand option to optimize

boiler size and oper

ation.

Part Number

A3080301

Listed

UL Listed (E37601)

Electrical Requirements

120VAC +/-10%, 50/60Hz

Transformer Rating

24VAC, 10VA

Electrical Switch Rating

⁄2 HP, 120VAC

Full load — 7.4A

Locked rotor — 43.2A

Resistive — 10.0A

Input

Thermostat/end switch —

24VAC (supplied)

Output

Radiant loop circulator —

120VAC, 10A

Heat demand —

dry contact, 24VAC/DC

Display

Status light emitting diode (LED)

RADIANT HEATING

SYSTEMS

MULTI-PUMP RELAY

TECHNICAL BULLETIN

PAGE 1
RADIANT HEATING SYSTEMS MULTI-PUMP RELAY TECHNICAL BULLETIN Application Part Number Input The Multi-pump Relay provides switching control of multiple-line voltage loads and a single lowvoltage load. This electrical device controls up to three pumps or circulators in radiant floor heating or other hydronic applications. The control features a priority demand option to optimize boiler size and operation.
PAGE 2
MultipumpRelay_TB_11_06, Copyright © 2006 Uponor, Printed in the United States Uponor, Inc. 5925 148th Street West Apple Valley, MN 55124 Tel: (800) 321-4739 Fax: (952) 891-1409 Web: www.uponor-usa.com E-mail: learnmore@uponor-usa.com Uponor Ltd. 655 Park Street Regina, SK S4N 5N1 Tel: (888) 994-7726 Fax: (800) 638-9517 Web: www.uponor.ca E-mail: info@uponor.