Wiring Diagrams - Swann Smith's Caspian EC Series Installation And User Manual

Wiring diagrams

Caspian CL 60
+10V
Control
VR2
Ground
VR1
Speed Control
Tacho
Caspian CL 90/120
+10V
Control
VR2
Ground
VR1
Speed Control
Tacho
FAN
Note: If your heater was built before October
2014 or the colours shown in this diagram
do not match those on your unit please refer
to the below Key:
+10V (Red) = Blue
Control (Yellow) = Grey
Ground (Blue) = Black
Tacho (White) = Brown
10 | SmithsEP.co.uk | Issue 001 - July 2020
FAN
EC DC
Note: The earth link
is directly above the
negative terminal on
the EC DC filter
FAN
E N
Mains Supply
Filter
E N
Mains Supply
L.T.C
Thermostat Link
(optional)
L
L.T.C
Thermostat Link
(optional)
L