Zoning Icon

tN4 Zone Expansion Module 326 - Three Zone Pumps

The tekmarNet^® 4 Zone Expansion Module 326 is designed to provide expansion for a zoning solution for heating systems. It can be used in applications ranging from baseboard zones, to radiant heating manifolds. This product expands the number of zones provided with a Zone Manager by up to 3 more zone pumps. It is capable of providing power for up to 3 tekmarNet^® 4 or stand alone thermostats and energizing their respective 115 V (ac) zones, as well as providing a powered Zone Group Pump (powered end switch) contact to enable an external device such as a manifold pump.

How do I purchase this product?

Contact your Local Representative for details.

Features & Specs

Features (definitions)

CSA C US Certified for use in USA and Canada
One 115 V powered zone group pump output
Simple wiring
Three 115 V powered zone pump outputs
tekmarNet^® 4 compatible

Specifications

Control	Microprocessor control. This is not a safety (limit) control
Packaged weight	3.0 lb (1360 g)
Dimensions	3-5/8" H x 5-3/8" W x 9/16" D (92 x 137 x 14 mm)
Approvals	CSA C US, meets Class B: ICES & FCC Part 15
Ambient conditions	Indoor use only, 32 to 122°F (0 to 50°C), RH ≤80% to 88°F (31°C), down to 50% above 104°F (40°C), Altitude <6560 ft. (2000 m), Installation Category II, Pollution Degree
Power supply	Provided by interconnected tekmarNet Zone Manager
Zone pump relays	115 V (ac) 5 A
Zone group pump C relay	115 V (ac) 5 A
Combined relay load	10 A max
Warranty	Limited 3 Year Warranty

Technical

In most cases the current version of literature will work, otherwise use the piece of literature most closely matching the date code of your product.

Current Literature

Product Submittal	Jan 2011 - Present	326_C
Installation & Operation Manual	Jun 2005 - Present	326_D
Job Record	Aug 2009 - Mar 2011	326_J
Wiring Brochure	Dec 2008 - Present	326_W