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www.stelpro.com
User's guide
" ASB " Series / " ASB-M " Series
Dual energy duct heater
This section must be read carefully by the installer.
(Replacement component list included)
ASB
ASB-M
E322241
This unit is approved according
to the Canadian and American
manufacturing standards.
For further information or to consult this guide online, please visit our Web site.
INS_ASB/ASB-M-U 0611
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Table of Contents
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Summary of Contents for Stelpro ASB Series
- Page 1 User’s guide “ ASB ” Series / “ ASB-M ” Series Dual energy duct heater This section must be read carefully by the installer. (Replacement component list included) ASB-M E322241 This unit is approved according to the Canadian and American manufacturing standards.
- Page 2 WARNING WARNING WARNING WARNING Before installing and operating this product, the user and/or installer must read, understand and follow these instructions and keep them handy for future reference. If these instructions are not followed, the warranty will be considered null and void and the manufacturer deems no further responsibility for this product.
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Page 3: Electric Mode
While auto-transfer is activated, at any time the user can press the heating mode selector button to reinitialize the auto-transfer and return to the heating mode of his choice. ASB SERIES USER INTERFACE Auto-transfer will remain active for a 12 hour period after which, the controller will try again to activate the faulty heating mode which initially triggered the auto-transfer. - Page 4 MODELS ASB-M OPERATION “ ” The ASB-M series duct heater modulates the electric element’s output according to the set point temperature in the duct. This model was specially developed to augment the heat from a heat pump. However, It is possible to use this unit only, without any other heat source. In any case, the ultimate goal is to obtain a constant air temperature in the duct. In order to achieve this, the control board reads the duct temperature and compares it to the set point chosen by the installer.
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Page 5: Thermal Protections
SAFETY FEATURES ( “ASB” & “ASB-M” ) The ASB and ASB-M duct heaters are designed with several safety features to guarantee safe operation. The following paragraphs describe these safety features. Plenum Overheating Detection The ASB and ASB-M duct heater control board is able to detect if the temperature of the plenum exceeds a certain critical point at which the operation could lead to premature wear of the elements and an overheating of the unit. -
Page 6: Limited Warranty
Stelpro reserves the right to examine or to ask one of its representatives to examine the product itself or any part of it before honoring the warranty. Stelpro reserves the right to replace the entire unit, refund its purchase price or repair a defective part.
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