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Matrix Installation and Operation Instructions
8.0 WIRING
8.1 Field Wiring to Matrix
All wiring must be in accordance with the Canadian Electrical code, CSA C22.2, and any applicable local codes. Ensure that the
wiring is in accordance with this manual.
The boiler must be electrically grounded in accordance with the National Electrical Code ANSI/NFPA 70, or local codes, and/or the
Canadian Electrical Code CSA C22.1.
All connections to the Matrix are made at the terminal board provided. This terminal board can be found on the left side of the
appliance just above the plumbing connections. The following connections are available, and provide different functions according
to which inputs are energized.
Figure 8.1 Line Voltage Field Wiring
ATTENTION
1. Before providing 120 Volts to the appliance, do a continuity check between all wires and ground to
make sure that there are no electrical leaks that could damage the Matrix circuitry.
2. Before providing 120 Volts to the appliance, do a polarity check of the line and neutral wires, line must
be connected to black and neutral must be connected to white.
3. Do not use magnetic tip screwdriver near the Matrix control boards.
4. Ensure that the wiring for the plenum and outdoor air sensor is not damaged or grounded.
5. Caution: Label all wires prior to disconnecting them when servicing controls. Wiring errors can cause
improper and dangerous operation
WARNING
THE MATRIX TERMINAL STRIP IS FOR LOW VOLTAGE (MAX 24 VAC) AND LOW LOAD (MAX 1 AMP)
CONNECTIONS. ANY ELECTRICAL LOADS IN EXCESS OF 24VAC OR 1 AMP MUST BE ISOLATED USING
RELAYS. FAILURE TO FOLLOW THESE INSTRUCTION CAN RESULT IN FIRE.
