PRE-INSTALLATION
Greenstar Ri Compact 6 720 646 610 (2013/12)
10
SEALED PRIMARY SYSTEM:
• If the system is sealed then the system must be filled using a WRAS
approved filling loop or comply with figure 3 for system fill.
• The expansion vessel (2) must be fitted as close as possible to the
appliance in the central heating return.
•
Do not use galvanised pipes or radiators
.
Fig. 3
System Fill
S AND Y PLAN SYSTEMS:
FULLY PUMPED SEALED SYSTEM:
The central heating sealed system must be filled using a WRAS approved
filling loop or comply with figure 3 for System fill.
EXISTING INSTALLATIONS
NOTICE:
ARTIFICALLY SOFTENED WATER MUST NOT
BE USED TO FILL THE SYSTEM.
1
Static head -
Minimum static head 250mm measured from the highest point
in the heating system (top surface of the appliance or the
highest point in the heating system) to the water level in the feed
and expansion tank
2
Heating vent (22mm minimum)
3
Primary cold feed (15mm minimum)
4
Diverter valve and zone valve
5
Pump, maximum power 90 Watts
6
Automatic bypass
7
Radiator valve (Flow)
8
Lock shield valve (Return)
9
Expansion vessel
10
Pressure gauge
11
3 bar pressure relief valve
12
Stop cock
Table 6 Key to figures
NOTICE:
A drain cock should be fitted at the lowest
point of the heating circuit and beneath the appliance.
SYSTEM FILL
CV = Check Valve
SV = Stop Valve
SV
SV
Test point
Temporary hose
Hose union
CV
CV
Heating
return
Mains
supply
SYSTEM MAKE UP
AA = Auto Air vent
CV = Check Valve
SV
CV
AA
Make up
vessel
Heating
return
1000 mm (39 in)
above the highest
point of the system.
6720644743-08.2W
o
S PLAN LAYOUT
8
7
1
3
2
4
6
5
150 mm
max
M
M
6720646610
-24.1W
o
Y PLAN LAYOUT
8
7
1
3
2
4
5
150 mm
max
M
6720646610
-25.1W
o
SEALED SYSTEM LAYOUT
MCW
8
7
4
10
12
11
9
5
M
6720646610
-26.1W
o
8
7
1
3
2
4
6
5
150 mm
max
M
M
M
OPEN VENT LAYOUT
6720646610-27.1W
o