MYERS Illuminator Supernova Series, Installation Manual

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108
115895B System Installation Manual
BATTERY THERMAL RUNAWAY SYSTEM OPTION SECTION
SECTION 3
System Installation
1) Power Supply/Summary Relay
– The PCB’s will be installed in the
Emergency Lighting Inverter Electronics Cabinet. Dependant on the
number of batteries there may be more than one power supply presenting
the electronics module please refer to Battery Thermal Runaway drawing
specific to the Emergency Lighting Inverter System Installed.
a. The dry contacts will already be combined through the power
supply/summary relay printed circuit boards and wired to a terminal
block labeled Thermal Dry Contacts. There will be a normally
open, common, and normally closed set of contacts rated for
277VAC, 0.5AAC.
b. The power and error signal connections will need to be wired from
the Power Supply/Summary Relay PCB to the first Temperature
Sensor PCB via the wire supplied in the kit. To install the wires in
the power supply/summary relay pcb follow the instructions below:
i.
Strip about ¼” off from the end of each of the three wires.
ii. Depress and hold the actuator on top of the terminal block
down.
iii. Insert the wire all the way to the back of the terminal block
being careful not to pinch any insulation in the connector.
1. Brown Wire = ERR
2. Red Wire = PWR
3. Black Wire = GND
iv. Release the actuator and tug on the wire to ensure a good
connection.
Picture 3 and picture 4 show the terminal block on the printed circuit
board and the wire stripped.