Aprilaire 1850w, 1830 Ducting for TWO Zone Installations, Whole-Home Primary Zone Installation

DUCTING FOR TWO ZONE INSTALLATIONS

In this installation the dehumidifier controls the humidity in two separate zones, a Primary and Secondary Zone.. The dehumidifier will dehumidify the Primary Zone as the first priority, and will switch to the Secondary Zone after the dehumidification needs of the Primary Zone have been satisfied..

IMPORTANT: Normally Closed dampers must be installed in the ducts serving the Primary Zone and Normally Open dampers installed in the ducts serving the Secondary Zone.

Required Components

10” Ductwork and Fittings Grilles with 10” Duct Collars Drain Line

2 – Aprilaire Model 6510, 10” Normally Closed Damper

2 – Aprilaire Model 6610, 10” Normally Open Damper

24 VAC Transformer (40VA min..) for Dampers

NOTE: 5442 Basement Kit includes 2 – 6510 Dampers,

2 – 6610 Dampers and a 24VAC (40VA) transformer

FIGURE 18 – Whole-Home Primary Zone Installation

TO/FROM	SUPPLY DUCT
PRIMARY ZONE

RETURN DUCT

NORMALLY CLOSED

DAMPERS

SUPPLY TO

6 ftSECONDARY ZONE MIN

RETURN FROM

SECONDARY ZONE

NORMALLY OPEN DAMPER

NORMALLY OPEN DAMPER

			90-1875
FIGURE 19 – Whole-Home Secondary Zone Installation
		TO /FROM	SUPPLY DUCT
		SECONDARY ZONE
	RETURN		NORMALLY
	DUCT		OPEN
			DAMPER
	NORMALLY		SUPPLY TO
RETURN FROM	OPEN		PRIMARY ZONE
PRIMARY ZONE	DAMPER
			NORMALLY CLOSED DAMPER
NORMALLY CLOSED DAMPER
			90-1895
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