Greenheck Fan ERH-90, ERH-55 Service Clearances / Access Panel Locations for Model ERH, TOP View

SERVICE CLEARANCES / ACCESS PANEL LOCATIONS for Model ERH

ERH-20, 45, 55, and 90 units require minimum clearances for access on all sides for routine maintenance. Filter replacement, drain pan inspection and cleaning, energy wheel cassette inspection, fan bearing lubrication and belt adjustment, are examples of routine maintenance that must be performed. Blower and motor assemblies, energy recovery wheel cassette, coil and filter sections are always provided with a service door or panel for proper component access. Clearances for component removal may be greater than the service clearances, refer to FIGURES 6 and 7 below for these dimensions.

Clearances for service and component removal on ERH-20 and ERH-45

36 in.				Panel
				Access
Exhaust
Hood					Access Panel
36 in.
					Electrical Box
Panel			filters		Exhaust Air	0 in.
Access			2 in.
		Cassette			Intake	Clearance without
						IG Heater
						52 in.
						Clearance with
Outdoor Air Hood		Wheel				IG Heater
	2 in. filters					IG Heater
		Slides Out	Cassette	Access Panel
*48 in. **64 in.
AccessPanel						TOP VIEW

*Clearance for energy wheel removal on ERH-20. **Clearance for energy wheel removal on ERH-45.

FIGURE 6

Clearances for service on ERH-55 and ERH-90

	42 in.				Panel
					Access
		Exhaust
		Hood				Access Panel
42 in.
						Electrical Box
Panel				filters		Exhaust Air	0 in.
Access				2 in.
			Cassette			Intake	Clearance without
							IG Heater
							52 in.
							Clearance with
Outdoor Air Hood			Wheel				IG Heater
		2 in. filters					IG Heater
		Panel			Access Panel
	42 in.
		Access
							TOP VIEW

FIGURE 7

6