5
F
IG
. 1.6
B
P
UMP
G
ROUP
C
OMPONENTS
1. Insulated Cover
2. Flow from Solar Collectors
3. Flow Temperature Gauge
4. Flow Shut Off Valve
c/w non return valve -red Knob
5. Air Separator
6. Manual Air Vent
7. Return to Solar Collectors
8. Return Temperature Gauge
9. Return Shut Off Valve
c/w non return valve -blue Knob
10. Circulating Pump
11. System Fill and Drain Point
12. Fill and Drain Shut Off Valve
13. Flow Limiter
14. Flow Limiter Adjustment Screw
15. Non-return Valve
16. Non-return Valve Shut Off
17. Expansion Vessel Connection
18. Pressure Relief Valve (PRV)
19. PRV Outlet
20. System Pressure Guage
Return
Flow