QTY (1) Dayton Model 4PU53 Firestat Control Manual Reset. The exact location will be specified in the center of the space at ceiling height of 8’ - 10’ attached to a PVC electrical gangbox in pump room designated by a Township representative. (Figure 10). The Firestat Accessory is a safety which senses re. turn air temperature. In the event of fire 01 an abnormally high return air this accessory will stop unit operation, The control (manual reset type) is set to open at F and is not adjustable, The accessory includes the following ITEM DESCRIPTION Tapping Bushing. s„ain. Find many great new used options and get the best deals for Firestat # TCA-3C Manual Reset Limit Control (NEW) at the best online prices at eBay! Free shipping for many products!Seller Rating: % positive.
Manual reset is required to reclose the electrical circuit. The A25 may be used as a high limit control in the supply air duct (or plenum) where a lockout type control is desired or required by local code. Figure 1: The A25 Series Warm Air Control with Manual Reset Features and Benefits Trip-free Reset Lever Does not allow the reset switch to hold the contacts in a closed (on) position. The Duct High Temperature Limits feature a helix bimetal element that senses rapid increases in duct temperature, such as those caused by fire. The high temperature limit then operates an SPST switch that opens with a rise in temperature. A manual reset button reactivates the temperature limit after the high-temperature condition has cleared. These duct high temperature limits are indispensable in specialized HVAC applications and Building Automation Systems. The Firestat Warm Air Control with Manual Reset is designed to shut down fans, burners, dampers, etc., when the temperature of the sensed air becomes greater than the controller’s setpoint.
Basic Control Panel: Refer to ACH User's Manual, for parameter editing instructions. Fault and alarm adjustments. The ACH can detect a wide variety of. CORE Protection Fire System for Pollution Control Unit Once the firestats reset, the timer will automatically stop the fire system once its time. Aug The LE and F manual reset limit controls open a line or low The limit control may be used as a fire stat in the ductwork of air.
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