5558 User Manual

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INSTALLATION

DETERMINE LOCATION FOR CONTROL

FIGURE 2 – Mounting Location

90-1666

The ADMC should be mounted on an interior wall in the area the homeowner wants to monitor

and control moisture levels. Mount approximately 5’ off the floor and at least 18” from an

outside wall. See Figure 2.

DO NOT MOUNT ADMC

•Intheflowofasupplyregister

•Behinddoors,incornersorotherdeadairspaces

•Indirectsunlight,nearlightingfixtures,orotherappliancesthatgiveoffheat.

•Onanoutsideorunconditionedareawall

•Instairwellsornearoutsidedoors

•Onawallwithconcealedpipesorductwork

1. Loosen the bottom screw holding the front cover to the base.

2. Lift the front cover of the humidistat to separate it from the base.

3. Pull wires through the base hole.

4. Secure the base to the wall using wall anchors and screws (provided).

5. Wire the control. See Wiring Diagrams section.

6. Install the humidistat to the base and tighten the bottom screw.

CAUTION

Risk of Damage

Disconnect power to humidistat prior to separating humidistat from its base.

DETERMINE LOCATION FOR DUCT SENSOR (MODEL 801 ONLY)

When using the duct sensor to control space humidity, mount it in the main return duct at least

6” upstream of fresh air intake ducts and 12” upstream of the steam humidifier dispersion

tube. The wall mount ADMC sensor is disabled and can be mounted anywhere.

When using the duct sensor as a high limit sensor, mount in the supply duct at least 4 feet

downstream of the steam humidifier dispersion tube. The ADMC must be located in the living

space. See Determine Location for Control section.

Drill a 7/8” hole in the duct and mount with sheet metal screws included.

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User Manual - Page 3