HOMA A Series - Manual (Page 9)

A Series
Installation, Operation & Maintenance Manual
Wire Markings of Power & Control Cables
Wire Marker Wire Connection Normal Value
Power Cable (s)
L3 Power Supply See Enclosed Wiring Diagram
L2 Power Supply See Enclosed Wiring Diagram
L1 Power Supply See Enclosed Wiring Diagram
Yellow/Green - Ground
Control Cable (s)
T1 Thermal Switch N.C. .4 ohm
T2 or T3 Thermal Switch N.C. .4 ohm
K1 Thermistor (optional) N.C. 268 ohm
K2 Thermistor (optional) N.C. 268 ohm
P1 Lower Bearing Temp. PT100 N.C. 108 ohm
P2 Lower Bearing Temp. PT100 N.C. 108 ohm
P3 Lower Bearing Temp. PT100 N.C. 108 ohm
P4 Lower Bearing Temp. PT100 N.C. 108 ohm
S1* Oil Chamber Seal Probe 1 or 2 wire probe N.O.
S2 Oil Chamber Seal Probe 2 wire probe N.O.
S3 Connection Chamber Seal Probe 2 wire probe N.O.
S4 Connection Chamber Seal Probe 2 wire probe N.O.
S5* Stator Housing Leak Detector 1 wire probe N.O.
S7 Stator Housing Leak Detector Level Switch N.C. .7 ohm
S8 Stator Housing Leak Detector Level Switch N.C. .7 ohm
Yellow/Green –Ground - *Must be used to complete 1 wire probe circuits!
Note: Pump may have single or multiple power or control cables. Verify all
wire connections are correct before applying power to any circuit. Improper
power supply can permanently damage certain control devices.
All control or monitoring devices must be connected to a suitable power
supply and sensing device. Homa can provide an optional Go Switch for
any of these control or monitoring devices. Consult your local Homa
distributor
Pg. 9