Aprilaire 800 specifications Adhc Automatic Digital humidifier Control Model

INSTALLATION INSTRUCTIONS (continued)

Figure 5 3/4" x 1" Reducing Coupling

		Dispersion Tube
		Steam Hose
		1-1/2" Hose Clamp
	1" Copper Pipe
	1-1/2" Hose Clamp
Steam Hose
	Humidifier
			90-1527
Humidifier
Do not mount humidifier in a location where ambient temperature	Figure 6 – Clearances
exceeds 120ºF or where freezing temperatures may occur..
Mount humidifier in a location that allows access for servicing, and			16" for
clearance to remove front panel for replacing the canister and side			Steam
			Hose
panel for access to the electrical components during installation..		FRONT VIEW
See Figure 6 for minimum clearances around humidifier..
The humidifier should be mounted as close to the dispersion
tube as possible.. Table 3 shows how capacity is reduced as the		16" for	30" for
distance between the humidifier and dispersion tube increases.. If	4"	Electrical	Service
the humidifier is mounted on the duct directly below the dispersion		Access	Access
tube, allow space for a bend in the steam hose..
The humidifier can be mounted to a wood surface, or to sheet metal
ductwork if it is structurally stable.. Do not mount humidifier to fiber
duct board..
The humidifier must be mounted to a vertical surface and must be		16"	SIDE VIEW
mounted level in the upright position..		for Drain
Do not mount humidifier near sources of electromagnetic emissions
such as power distribution transformers..
	90-1519

ADHC (Automatic Digital humidifier Control) Model 62

The ADHC must be mounted in the return air duct at least 6” upstream of any fresh air intake ducts or sources of moisture (steam dispersion tube if it is in the return..) Follow instructions provided with the control..

If the application requires a wall-mounted control in the conditioned space, use Aprilaire Part #4993, which includes a wall-mountable manual humidistat, a relay to activate the HVAC blower, and wiring instructions..

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