HYDRONIC PRODUCTS Smart System™ accessory
The SMART SYSTEM™ Multi Temperature Loop Control (MTLC) is designed to simplify the integration of KNIGHT Heating Boilers into multiple temperature hydronic heating systems. This compact and attractive accessory accurately controls up to three separate space heating loop temperatures, while maximizing the efficiency of the heating boiler as a primary function. The new MTLC works in conjunction with the on-board SMART SYSTEM Control on all 2nd generation floor- standing and wall-mount KNIGHT Heating Boilers for residential applications as well as KNIGHT XL Commercial Heating Boilers. LOCHINVAR.
e Circle 110 on reader reply form on page 111 WM97+ Boiler 78
Loaded with a winning combination of features, the WM97+ boiler is a wall mount boiler that comes in 70,000 and 110,000 BTU input models, both at a AFUE rating of 97%. The WM97+ offers a unique condensing stainless steel heat exchanger, built in boiler circulator and a built in primary secondary option. WEIL- MCLAIN.
e Circle 111 on reader reply form on page 111 Hydro-Core Double Ball Drain
New hydronic manifold is designed specifically to ease the installation of mod/con boilers with internal pumps — fits 40 different boilers from 15 different manufacturers. Designed specifically for hydraulic separation and purging the near boiler piping or secondary circuit loops. WEBSTONE.
e Circle 112 on reader reply | BOILER CONTROLS | CONTINUED FROM PAGE 76
primary. Is there a call for heat? Is the main burner on to answer the call for heat? Is the boiler shut down on a fault? What is the fault? Control programming can collect
other operational data, such as Hours of Main Burner operation. Hours of Main Burner operation can be captured at low or high input rates, such as less than 25%, 25% to 50%, 50% to 75% and 75% to 100%. The controls can record the number of attempted ignitions and the number of successful ignitions. The control
can count the firing time, the firing cycles and inform the customer that the boiler is due for service. Smart boiler control is a natural
progression, and it’s not over yet. There is a future out there for even smarter boiler control — wireless communications, Internet access, email reports of faults. Super smart boiler control is a lot closer than you think. l
David A. George is a product manager for Lochinvar Corp.
The Challenger Solo is a high efficiency modulating, condensing boiler in a compact unit, perfect for small to mid-sized residences. The Challenger Solo joins the Challenger Combi boiler, which provides both space heating and domestic hot water from the appliance. The Challenger’s compact size and lightweight design allow it to be easily installed in even the smallest spaces. The Challenger can be vented with either twin vent & air piping or with concentric venting. Twin vent and air piping can be PVC, CPVC, PP, or SS. The Challenger’s intuitive control makes set-up quick and easy. The Challenger’s heat exchanger features a copper tube water side with an aluminum air side for efficient heat transfer and reliable performance. The copper waterways are cast into an aluminum block providing even heating, and eliminating hot spots where localized steam may occur. TRIANGLE TUBE.
e Circle 113 on reader reply form on page 111
Challenger Solo boiler
phc december 2011
www.phcnews.com
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