Boiler Water Circulating Pump Overhaul Procedure

A pump circulator is the heart of a hydronic system.

Boiler water circulating pump overhaul procedure.

1 is the slowest water flow rate and 3 is the highest. Wait until the boiler temperature reaches the required level at which the pump should cut in and then check the device. Bwcp repair boiler water circulating pumps bwcp water lubricated bearings submersible windings pressure vessel repairs. Kate there can be several things wrong that keeps the water from circulating through the water loop.

To troubleshoot the circulator pump you will first need to make sure that the boiler is already hot if not it is a thermostat problem but the hot water is not being moved out of the tank. If possible valve off the circulator pump. On many properties we have been to that have had radiators not getting hot or the whole system not getting to temperature the pump flow. Procedure to start the pump 1.

We repair and upgrade boiler water circulating pumps from hayward tyler ksb ingersoll rand flowserve westinghouse and general electric. Water on the outside metal can lead to the development of rust so if you see that a circulator pump on your boiler system is leaking have it repaired as soon as possible. Supplying engineered technologies and services to process industries. We provide removal and installation services.

This should be located near the boiler in the near boiler piping. Problems with the circulator relay switch the motor is attached to a relay switch that sends power to it so it can operate. Newer pumps such as the grundfos 15 60 will have speed and flow settings. And usually they are between 1 and 3.

Unlock and remove chains from inlet outlet valve wheels and open both valves full. If valves were not provided in the original installation drain down the boiler using the boiler drain at the bottom of the boiler and the garden hose. They may be utilized in a primary loop or for zoning purposes. Pump speed settings are incorrect.

Boiler circulation problems troubleshooting hydronic water loops. They take suction from a header that is connected to several downcomers from the bottom of the boiler drum and discharge through additional tube circuits. Step 7 loosen and remove the four bolts on the two flanges holding the circulation pump in place and remove the pump. If the switch becomes faulty the motor may not receive any power or receive power intermittently.

The first place to start is the circulator pump. Kirloskar brothers ltd kbl has partnered with tata power to install the world s largest circulating water pumping system at the 4000 mw mundra umpp ultr. Boiler circulating pumps circulate water within the boiler to enhance boiler operation. Pumps require a flange to connect to a supply line.

Water lubricated bearings squirel cage rotors laser cut laminations. This means the water pumped is at boiler temperature and pressure.