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For 18/30k Models
NOTES:
1. Use copper wire (75°C Min) only between disconnect switch and unit.
2. To be wired in accordance with NEC and local codes.
3. If any of the original wire, as supplied, must be replaced. Use the same or
equivalent type wire.
4. Connect R to R, G to G, etc. See outdoor instructions for details.
5. To change speed tap, move green wire to desired terminal1 through 5.
6. See Airflow tables for tap usage.
7. Do not use red wire from motor.
8. Taps 2 & 4 have a 90s delay off, taps.
Figure 13
Indoor Unit Wiring Diagram for 18k and 30k Model
Bosch BWA Series Air Handler - BTC 761703105 A (03.2023)
CAUTION:
NOT SUITABLE FOR USE ON SYSTEMS EXCEEDING 150V TO GROUND
COMPONENT ARRANGEMENT
Installation Instructions
F M
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