Walking Up to the Unit Looking Left HOT DECK COLD DECK BYPAS DECK Return Air Typical Zone Supply Supply Fan Filters Cooling Coil Heating Coil Zone damper linkage system arranged so that as the actuator strokes the damper blades modulate from ID: 1030369
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1. PEC Three Deck Multizone
2. Walking Up to the Unit
3. Looking Left
4. HOT DECKCOLD DECKBYPAS DECKReturn AirTypical Zone SupplySupply FanFiltersCooling CoilHeating CoilZone damper linkage system arranged so that as the actuator strokes, the damper blades modulate from:Full hot deck, no bypass, no cold deck* to;Full bypass deck no cold deck, not hot deck to;Full cold deck, no bypass, no hot deck* This means as the hot deck damper starts to close, the bypass damper starts to open. This continues until the dampers are positioned with the hot deck fully closed and the bypass fully open. Meanwhile, nothing happens with the cold deck damperZone Damper
5. Of Course, Linkage is Not an Issue with Modern Actuators and DDC Control3/8/20115HmmmmmCenterline Drive applies torque directly to the shaft
6. Of Course, Linkage is Not an Issue with Modern Actuators and DDC ControlMinimal complexity; Only 3-4 crank arms, three shafts, 2 - 4 ball joints and a spring per zone3/8/20116Module Title Here
7. 3/8/20117Cold DeckNeutral DeckHot Deck