9
ATH15-520.2
Figure 9.1 - Energy Recovery Module Component Locations
1. (S) MPR Unit to ERM Unit transition duct
2. (S) Controls compartment with side wiring entrance
3. (S) Power distribution block
4. (S) Carel microprocessor controller
5. (O) Energy recovery wheel on/off contactor
6. (S) Exhaust fan motor and energy recovery wheel fuses
7. (S) Low voltage wiring terminal strip with ground terminals
8. (O) Exhaust air filters
9. (O) Exhaust air filters pressure drop switch
10. (S) Energy recovery wheel
11. (O) Energy recovery wheel pressure drop switch (not shown)
12. (O) Electric preheat assembly with power/control compartment
13. (S) Outside air filters
14. (O) Outside air filters pressure drop switch
15. (S) Blower door switch (not shown)
16. (S) Outside air enthalpy sensor
17. (S) Exhaust fan variable frequency drive
18. (S) Exhaust fan motor
19. (S) Housed exhaust plenum fan
20. (S) Exhaust fan belt drive/auto belt tensioner access
(access door removed)
21. (S) Inlet opening (inlet hood not shown)
22. (S) Exhaust hood (not shown)
23. (O) Economizer bypass damper actuator compartment
(S) = Standard (O) = Optional
UNIT COMPONENT IDENTIFICATION / LOCATION
1
3
11
12
13
14
16
15
7
10
4
2
17
18
19
20
21
22
23
5
6
9
8
Location of components is typical, but may change depending on the unit configuration.
