HEATIZON SYSTEMS M329 Instructions

Twelve-channel selector box

Read these instructions in their entirety before attempting to install Heatizon Systems M329

Twelve-Channel Selector Box ("Selector Box").

FEATURES

The Heatizon M329 is designed to operate up to twelve Heatizon Control Units, including CBX6

Series, CBX23 Series, CBX7 Series, SLC500 Series, and Radiant 8 Series. The Selector Box

protects the master breaker by staggering the start of each Control Unit. In addition, it provides

manual operation of one or more Control Units, delivers 24VAC for activation device power, and

allows up to twelve Control Units to be activated by one activation device.

may also be used with many different activation devices and the Heatizon Relay Panel

(Heatizon Part No. M330).

Remove Board. Carefully remove the M329 Selector Box's green board prior to

mounting the M329 Selector Box enclosure.

Mount. Attach the M329 Selector Box on studs or other adequate surfaces using the

four (4) holes in the back of the Selector Box enclosure and anchoring devices designed

to accept shear loads and lateral loading of 15 lbs.

Knockouts. Drill knockouts for the 115 VAC Power, Activator Device wire, and Control

Unit connecting wires.

Install Board. Using the provided screws, carefully reinstall the M329 Selector Box

green board into the enclosure.

Electrical Connection. Connect the 115VAC power for the M329 Selector Box to the

connection terminal labeled J1 located in the lower left hand portion of the M329 Selector

Box green board.

Connection labels have the following meanings:

HEATIZON TWELVE-CHANNEL SELECTOR BOX

Part No. M329

H = Hot

N = Neutral

G = Ground

The Selector Box

Table of Contents

Do you have a question about the M329 and is the answer not in the manual?

Page 1 Twelve-Channel Selector Box (“Selector Box”). FEATURES The Heatizon M329 is designed to operate up to twelve Heatizon Control Units, including CBX6 Series, CBX23 Series, CBX7 Series, SLC500 Series, and Radiant 8 Series. The Selector Box protects the master breaker by staggering the start of each Control Unit. In addition, it provides manual operation of one or more Control Units, delivers 24VAC for activation device power, and allows up to twelve Control Units to be activated by one activation device.
Page 2 17 (red) to the Zone 12 red and white terminals on the Heatizon Selector Box. Be sure to observe polarity red on the M330 to Zone 12 red on the M329 and white on the M330 to white Zone 12 on the M329.
Page 3 National Electric Code (NEC) and the Canadian Electric Code (CEC). Risk of fire! Risk of fire is possible if the installation of any Heatizon Systems product is not completed according to all of the installation instructions including but not limited to the warnings and notes.