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Electrical System Installation
Due to our policy of continuous product innovation, some specifications may change without notification.
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ELECTRICAL SYSTEM
• All wiring to the unit must be drawn through one of the pre-punched holes in the bottom of the floor pan immediately underneath the control
center, or through a field-cut hole in the side of the unit casing
• The terminals labeled “GND” are NOT ground terminals. The terminals labeled
ARE ground terminals.
• Polarity matters. Always connect “A” to “A” and “B” to “B.”
• Always create a wiring diagram that contains the exact sequence in which all the DOAS are wired in relation to the heat recovery outdoor
unit.
•
Do not include splices or wire nuts in the communication cable.
Figure 15: Internal Routing and Terminations in DOAS Units.
Internal Routing
Internal Routing
