gledhill StainlessLite D120 Design, Installation & Servicing Instructions page 20

INSTALLATION
Solar Controller
S1 S2 S3
1 2 3 4 5 6 7 8
12 13 14
INSTALLATION
Schematic Showing Solar Wiring Requirements
N R2 N R1 N L
15 16 17 18 19 20
Dual Thermostat
o
+ C
o
+ C
C 1 2 C 1
1 2 3 4
L N
230 VAC 5 amp
Mains Supply
No isolation valve
should be installed
between the solar
circuit and the safety
valve (pressure relief
valve)
Gledhill Stainless Lite
Unvented Cylinder
Solar
Pumping
Station
Anti Gravity
Check Valve
Solar Coil
5 6 7 8 9
Page 20
S1 S1
T
T
Anti Gravity
Check Valve
TWO PORT
ZONE VALVE
(Not
supplied)
A B
This valve must be tted on
the return to the solar panels
and be suitable for higher
temperatures operation
Standard 10 way
10
wiring junction box
(Not supplied)
1 bar
Pressure
Relief Valve