Control Center Components - Bosch FHP RT-20 Installation, Operation And Maintenance Manual

Typical Control Center Components - individual components and locations will vary
1. Main Disconnect (non-fusible,
lockable)
2. Motor Starter - Exhaust Air Fan
3. Motor Starter - Outdoor Air Fan
4. Motor Contactor - Energy Wheel
5. 24 Vac Control Transformer
6. 24 Vac Terminal strip
7. Fuses for blower motors
8. Grounding lug
9. Distributor block
8
1
9
4
3
2
22
10
11
12
18 Model RT Energy Recovery Unit
10. Compressor fuse blocks
11. Compressor contactors
12. Condensing fan contactors
13. Compressor cycle timers
14. Compressor relay
15. Terminal block
Optional Control Center Components
16. DDC controller
17. Dirty filter pressure switches
20
21
7 6
5
13
14
Access to Control Center Components is
gained through the access panel indicated.
18. Economizer module
19. Thermostats for:
- Economizer module
- Energy Recovery wheel frost
- Compressor lock out
20. Terminal block
21. Frost control pressure switch
22. Energy recovery wheel VFD
Component #6
19 Exploded Detail
of Terminal Strip
18
Refer to "Heat Pump System"
section for components in
17
compressor compartment
16
15
control