Related Manuals for Bosch BWA Series
Summary of Contents for Bosch BWA Series
- Page 1 Installation Instructions Split System Heat Pump Bosch BWA Series Wall Mounted Air Handler Units | 1.5-3 Ton Capacity | R410A...
- Page 2 Installation Instructions Bosch BWA Series Air Handler - BTC 761703105 A (03.2023)
- Page 3 8.1 Condensate Drain Connection 9 Air Filter (Not Factory-Installed) 10 Filter Installation Dimensions 11 Maintenance 11.1 Cleaning Precautions 11.2 Regular Maintenance 12 Wiring Diagrams 12.1 Unit Wiring 12.2 Electric Heat Kit Wiring Bosch BWA Series Air Handler - BTC 761703105 A (03.2023)
- Page 4 Consumer service is recommended only for filter cleaning / replacement. Never operate the unit with the access panels removed. Bosch BWA Series Air Handler - BTC 761703105 A (03.2023)
- Page 5 Make sure the blower motor support is tight (3-motor mounting bolts - Fig. 1). Then check if wheel is tightly secured to motor shaft before operating unit. Blower Motor Mounting Bolt Figure 1 Bosch BWA Series Air Handler - BTC 761703105 A (03.2023)
- Page 6 WARNING: FIRE HAZARD Keep flammable material and vapors, such as gasoline, away from the air handler. Failure to follow these instructions can result in death, explosion, or fire. Bosch BWA Series Air Handler - BTC 761703105 A (03.2023)
- Page 7 19 (483) 18-4/5 (478) 9-1/2 (242) 3/8 / 3/4 (9.5) / (19) 39-1/2 (1004) 22 (559) 19 (483) 18-4/5 (478) 9-1/2 (242) 3/8 / 3/4 (9.5) / (19) Table 1 Bosch BWA Series Air Handler - BTC 761703105 A (03.2023)
- Page 8 Unit back dimensions Dimensions Inch [mm] Model Size 24-9/10" [150] 10-1/8"[61] 119-1/20" [717] 24-9/10" [150] 10-1/8"[61] 119-1/20" [717] 24-9/10" [150] 10-1/8"[61] 132" [795] 24-9/10" [150] 10-1/8"[61] 132" [795] Table 2 Bosch BWA Series Air Handler - BTC 761703105 A (03.2023)
- Page 9 MOUNT BRACKET NOT TO BE USED. WOOD SCREWS NOTE: MOUNTING WALL AND SUPPORTING STRUCTURE MUST BE ABLE TO SUPPORT A MINIMUM OF 150 LBS. Figure 4 Wall Mounting Side View Bosch BWA Series Air Handler - BTC 761703105 A (03.2023)
- Page 10 T he installed unit must have the required clearances as shown in Figure 7. Failure to follow these instructions may result in equipment damage and/or premature equipment failure. SUPPORTING 2˝X 4˝ STRUCTURE Figure 6 Frame Mount Bosch BWA Series Air Handler - BTC 761703105 A (03.2023) 10 |...
- Page 11 Refer to Figure 2 for High Voltage knock out locations. f High voltage wiring must be connected to the red and black wiring in the control section of the air handler. Bosch BWA Series Air Handler - BTC 761703105 A (03.2023) | 11...
- Page 12 Ground lugs are located close to wire entrance on left side of unit. Lugs may be moved to marked locations near wire entrance on right side of unit if alternate location is more convenient. Bosch BWA Series Air Handler - BTC 761703105 A (03.2023) 12 |...
- Page 13 EHK-10W 10 kW Heat Kit, Double Pole Breaker Table 6 [ m eans available, X means not available ] Bosch BWA Series Air Handler - BTC 761703105 A (03.2023) | 13...
- Page 14 Airflow is equivalent for front or bottom return configurations. SCFM is nearly the same with cooling performance airflow, the gap is in the 1 to 2%. Bosch BWA Series Air Handler - BTC 761703105 A (03.2023) 14 |...
- Page 15 Secure the supply and return ductwork to the unit flanges, using proper fasteners for the type of duct used and tape the duct-to-unit joint as required to prevent air leaks. Bosch BWA Series Air Handler - BTC 761703105 A (03.2023) | 15...
- Page 16 After the brazing work is finished, make sure to check that there is no refrigerant leakage. After checking for vapor leaks, be sure to insulate the pipe connections, refer to Figure 10. Bosch BWA Series Air Handler - BTC 761703105 A (03.2023) 16 |...
- Page 17 Soot damage may occur with filters in place, when certain types of candles, oil lamps or standing pilots are burned. Bosch BWA Series Air Handler - BTC 761703105 A (03.2023) | 17...
- Page 18 Do not operate the system without a filter in place CAUTION: PERSONAL INJURY When removing filter, do not touch metal parts in the unit. The sharp metal edges can cut you. Bosch BWA Series Air Handler - BTC 761703105 A (03.2023) 18 |...
- Page 19 Wiring for 3H and 1C thermostat THERMOSTAT For single-stage auxiliary heating (supported by 2H thermostat), jump W1 and W2. INDOOR UNIT OUTDOOR UNIT Figure 11 Thermostat wiring diagram for BOVA 15 with BWA Bosch BWA Series Air Handler - BTC 761703105 A (03.2023) | 19...
- Page 20 Default — Default — Tap 3 — — — — Tap 4 — Default — Default Tap 5 — — — — Table 10 Blower Motor Speed Taps Bosch BWA Series Air Handler - BTC 761703105 A (03.2023) 20 |...
- Page 21 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) | 21...
- Page 22 WHITE YELLOW BLACK BLACK L1’ L2’ POWER YELLOW YELLOW BROWN BROWN WHITE BLUE BLUE BLUE WHITE BLACK BLACK BLACK L1’ L2’ Figure 14 Electric Heat Kit Wiring Diagram Bosch BWA Series Air Handler - BTC 761703105 A (03.2023) 22 |...
- Page 23 Alternatively, please visit our Service & Support webpage to find FAQs, videos, service bulletins, and more; www.boschheatingcooling.com/service or use your cellphone to scan the code below. Figure 15 Bosch BWA Series Air Handler - BTC 761703105 A (03.2023) | 23...
- Page 24 United States and Canada Bosch Thermotechnology Corp. 65 Grove St. Watertown, MA 02472 Tel: 866-642-3198 Fax: 954-776-5529 www.bosch-thermotechnology.us BTC 761703105 A / 03.2023 Bosch Thermotechnology Corp. reserves the right to make changes without notice due to continuing engineering and technological advances.