PM 148 Rev 1 16/07/27 Part ID
THOMSON POWER SYSTEMS • 9087A - 198th STREET, LANGLEY, BC CANADA V1M 3B1
TELEPHONE: (604) 888-0110 • FAX: (604) 888-3381 • E-MAIL: info@thomsonps.com • www.thomsonps.com
J. Transfer Switch Operation
a. Automatic Sequence of Operation
Note: Time delays indicated below are factory default settings only. Refer to Owners manual for alternate time delay settings available on TSC 9
Controller
When voltage drops on any phase of the utility supply below 70% of rated voltage, a generator start sequence will be
initiated
The generator will start following expiry of the 3 second Gen Start timer
A generator warm-up period will be initiated once the generator starts and reaches 80% rated voltage and 90% rated
frequency
The load will transfer to the generator supply following expiry of the 10 second Gen Warm-up timer
All non-essential loads connected to Load Shed control circuit will be de-energized once the generator transfers on load
provided the Load Shed feature has been enabled. Refer to Owners manual for further details.
When utility power is restored to above 80% rated voltage on all phases, a utility return timer sequence will be initiated
The load will transfer from generator to utility power following expiry of the 120 second utility return timer provided both
generator and utility voltages are in-phase at time of transfer.
All non-essential loads connected to Load Shed control circuit will be re-energized once load transfers to utility power.
The generator will automatically stop following expiry of the 2 minute cool down timer.
b. TSC 9 Controller Operation Pushbuttons
To Load Test, press and hold the “T” pushbutton for 2 seconds until LED light above pushbutton comes ON. The generator
will start and transfer on load per Automatic Sequence.
To cancel Load Test, press and hold the “T” pushbutton for 2 seconds until LED light above pushbutton goes OFF. The
load will re-transfer back to the utility power per Automatic Sequence.
To set Exercise mode and schedule, press and hold the “E” pushbutton for 2 seconds until LED light above pushbutton
starts flashing. The generator will start and operate off load (or ON Load if selected). The generator will operate for 30
minutes then will automatically stop. Exercise LED will change from flashing to continuously ON, indicating exercise clock
schedule is enabled. The generator will automatically start and exercise in 7, 14 or 28 day cycles as selected.
To cancel Exercise, press and hold the “E” pushbutton for 2 seconds until LED light above pushbutton goes OFF.
TIMER BYPASS
LAMP TEST
ALARM RESET
TIMER BYPASS: Press and hold the “E” and “T” pushbutton together for 2 seconds to bypass any active time delay.
LAMP TEST: Press and hold the “E” and “T” pushbutton together for 5 seconds to activate lamp test function.
ALARM RESET: Press and hold the “E” and “T” pushbutton together for 10 seconds until alarm LED goes out.
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