Technical data
Installation, use and Maintenance manual - ed. 04/14 16
3.2 - The Control Board- The Controller
The heart of control system is a printed circuit board. The layout with the key input/output
locations is shown below
3.3 Detailed Description of Input and Outputs
3.3.1 - LED Display
On power-up this displays the salinity setting for 3 seconds. During normal running this
shows a single red dot at the lower right hand corner unless an alarm has occurred and
this is retained. In an alarm condition it shows the following codes
01 – Slow fill Auto Reset
02 – Overflow Manual Reset
03 – Probes out of sequence Manual Reset
04 – Abnormal evaporation Manual Reset
05 – Slow Drain Auto Reset
06 – External Alarm Auto Reset
A detailed explanation of these faults and possible causes are detailed in the fault finding
section.
A -LED Display
D - ISP System Port
G - Timer
B - Dip switches
C - RS232 Port
E - Water probes
F - External alarm
H - Humidistat
I -Thermostat
J - Spare
K - Wall control
L - Water Inlet Valve
-
N - Spare
-
T - Scav. Pump fuse.
O
-
Drain
P – Drain fuse
-
S - Scavenge pump
U - Live In
V - Neutral In
W - Earth In
-
Y - Fan
Circulation pump Q
Circ. Pump fuse R
Motor Capacitor
X










