Zoning Icon

tN4 Zone Expansion Module 325 - Six Zone Valves

The tekmarNet^® 4 Zone Expansion Module 325 is designed to provide expansion to a zoning solution for heating systems. It can be used in applications ranging from baseboard zones, to radiant heating manifolds. This control expands the number of zones provided with a Zone Manager by up to 6 more zone valves. It is capable of providing power for up to 6 tekmarNet^® 4 or stand alone thermostats, and energizing their respective 24 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
Internal 50 VA transformer
Powered 120 V zone group pump output
Simple wiring
Six powered 24 V zone valve outputs
Time delay for thermal motor zone valves
tekmarNet^® 4 compatible

Specifications

Control	Microprocessor control. This is not a safety (limit) control
Packaged weight	1.1 lb. (500 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
Transformer	24 V (ac) 53 VA, fuse T2.5 A 250 V
Zone group pump C relay	115 V (ac) 5 A
Combined relay load	5 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	325_C
Installation & Operation Manual	Jun 2005 - Present	325_D
Job Record	Aug 2009 - Present	325_J
Wiring Brochure	Dec 2008 - Present	325_W