WebApr 26, 2024 · 1. Country. 18 Apr 2024. #1. We've got a Grant Vortex Pro External Combi 21e. It's been working brilliantly; it's recently had a service and a new DHW pump and expansion vessel fitted, around 4-6 weeks ago. However, Friday evening we lost both CH and HW (cold water comes through the hot tap). The boiler fires up fine and gets to … WebHeat-Timer recommends the installation of a Surge Suppressor and a Power Switch before the Power Line connection for safety and ease of service. Page 3 When connected in that mode, it will be used as an input for the Outdoor Sensor Outdoor Cutoff only. • Only use the Heat-Timer outdoor sensor provided (HT# 904220-00).
Smart Aquastat Control - Smart Recirculation Control
WebThe indirect heater has swing check valves on the return and heat supply, hopefully, limiting the migration of heat out of the tank. The only other unusual aspect of the install, is that I have a solar hot water tank in front of the indirect, to preheat pottable water supplied to the tank. There may be a need to put a check valve on the supply ... WebMar 2, 2024 · The Smart Aquastat Control also has a set of Smart Timers that can be used to heat the recirculation line on a schedule. The Smart Controller only runs the pump until the line is heated up to the programmed temperature. Of course, outside of the timer periods, the controller will still run the pump on demand. The “Smart Timers” are … sharpie art pens 12 pack
Grant Vortex 21e - no DHW or CH DIYnot Forums
WebThe SQ-Elite is equipped with DHW Pump, and combustion air damper relays. In addition, it provides an advanced logic to protect boilers from cold returns. The SQ-Elite-8T and SQ … WebThe SmartPlus ® Hot Water Recirculation incorporates an adjustable dial located on the circuit board. This new feature enables the pump’s run … WebJun 24, 2008 · related to DHW and their plumbing systems: 1. Shutting off recirculation pump during unoccupied times: This option is explored in details in this paper. The idea here is to install either a manually programmable timer or connect the pump to a building energy management and controls system to control the on/off times based on building … pork shoulder roast cost per pound