Draining The Boiler; Draining The Cylinder - IDEAL istor HE260 Installation And Servicing

85 DRAINING THE BOILER

CH Isolating valves
Drain point
3

86 DRAINING THE CYLINDER

Drain point
3
DHW Isolating valve
Drain valve
istor system store -
Installation and Servicing
SERVICING
isolating valve
(shown closed)
TO OPEN
ist9871
TO OPEN
2
isolating valve
(shown closed)
1. Refer to frame 53.
2. Close all the water isolating
valves on the piping frame.
3. Attach a length of hose to the
drain point and open the drain
valve.
4. After replacing any component
on the boiler, close the drain
valve, remove the hose and
open all system isolating
valves before proceeding to
check operation of the boiler.
1. Refer to Frame 53.
2. Close the DHW isolating
valves on the piping frame.
3. Attach a length of hose to the
drain point and open the drain
valve.
4. After replacing any component
on the tank close the drain
valve, remove the hose and
open all DHW isolating valves
before proceeding to check
operation of the boiler.
59