pumps
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swimming at work.
last night, i had a phonecall from an engineer at work. "John can you and your mate go and take a look at a pump thats failed?" off we go. The pumps are sat in an underground plant room, that has no roof yet. first thing i do (after isolating, and locking off) is disconnect the couplings from...- johnboy6083
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- canada electrical work motor pumps swimming water work
- Replies: 26
- Forum: Canada
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three phase energy saving moudules pumps etc
hi everyone we have a three phase supply (63 amp hrc fuses) which feeds a star delta motor control panel with interlocking door panel switch contactor. This is operated via a bms (building management system) , boiler control system and the energy saving system is wired in after the delta...- maddfridge
- Thread
- canada energy phase pumps saving three three phase
- Replies: 2
- Forum: Canada
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Anyone know about fish pumps? Submerged 230v??
After inadvertently drilling a hole in my pond, rescuing one fish from the jaws of death and literally bringing the other back to life, I now have an aquarium. (No this is not a prank call originating from a Durham area code). The issue I have is that pump we got with it isn't a plug-in...- rocker
- Thread
- 230v anyone aus knowledge pumps
- Replies: 9
- Forum: Australia
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S Plan, 2 Houses, 2 Pumps, 2 Programmable Controllers, 1 Shared Gas Boiler
S Plan, 2 Houses, 2 Pumps, 2 Programmable Controllers, 1 Shared Gas Boiler Is this possible? Do you just wire up the boiler as per the S-Plan Wiring Diagram, and wire the boiler switched live from both...- jimmycooker
- Thread
- boiler gas gas boiler houses pumps s plan
- Replies: 6
- Forum: Central Heating Systems
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air source heat pumps
Hi all Been a while since I have posted, so here goes. I hace a Ecodan Air source heat pump to wire up. I have had no experience with these until now. However, although the wiring diagram is fairly stright forward, it does not accomadate the danfoss wiring centre for the underfloor heating... -
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Please Help - 3 water pumps running in parallel
Hey Guys I am based in China and have 3 identical 60 meter 220v 1500 w water pumps supplying water up a hill of height about 120 meters and distance about 260 meters. They are currently connected in parallel but the problem is that they are all running at different speeds hence the water is not...- Tony1mail
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- aus control help level motor motors parallel please pumps running water
- Replies: 5
- Forum: Australia
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Heating System
Hi there, I,ve just joined this site in the hope I can get some help with a job that I,m doing. Its a standard fully pumped heating system, three zones (one for hot water, one downstairs heating and one upstairs heating) All controlled by a three channel timeclock. The hot water is controlled by...- steve4545456
- Thread
- aus heating pumps system valve valves water wiring
- Replies: 15
- Forum: Australia
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heating control pumps
I have been trying all last week to try to get two pumps to work together as well as work indepently of each othe Ill explain. I have a three channel time clock HW,CH1 and CH2 I have a oil fired burner and two pumps.When I call for CH1 or CH2 I want the two pumps to run when I call for hot...- vbyrne
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- control heating pumps relay water
- Replies: 41
- Forum: Electrical Wiring, Theories and Regulations
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