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.
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
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 |
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.
Product Submittal |
Jan 2011 - Present |
|
Installation & Operation Manual |
Jun 2005 - Present |
|
Job Record |
Aug 2009 - Present |
|
Wiring Brochure |
Dec 2008 - Present |
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