76
1.
Open any non-return valves installed
on site.
2.
Check the pre-charge pressure of the
expansion vessel and top up if
required.
3.
Fill (flush) and vent the secondary cir-
cuit via an on-site connection.
F
E
D
C
Supplied safety assembly
C
Pressure gauge
D
Connection G¾
E
Quick-action air vent valve
F
Safety valve
4.
Check the system pressure at pres-
sure gauge
C
and top up with water
if required.
Minimum system pressure: 0.8 bar
Permiss. operating pressure: 3.0 bar
5.
Place the control panel in its service
position; see page 90.
6.
Open programming unit; see
page 88.
Commissioning, inspection, maintenance
Further details regarding the individual steps
(cont.)
5604 692 GB
Содержание AWB 201.B04
Страница 88: ...88 Opening the programming unit 1 3 2 2x Troubleshooting Repairs 5604 692 GB...
Страница 89: ...89 Removing cover from programming unit if necessary 5 4 4x Troubleshooting Repairs cont 5604 692 GB Service...
Страница 90: ...90 Placing the control panel in its service position 4x 1 3 2 Troubleshooting Repairs cont 5604 692 GB...
Страница 100: ...100 C B D A Parts lists internal unit Overview of assemblies internal unit 5604 692 GB...
Страница 102: ...102 0001 0005 0006 0004 0002 0008 0003 0007 0008 Parts lists internal unit Casing internal unit cont 5604 692 GB...
Страница 139: ...139 5604 692 GB...