White 1521 Specifications download pdf (Page 9)

INSTALLATION

Installation

Wiring Guide for Equipment Accessories

HM2

Non-Powered

Humidier

Transformer

HM DRY

HM2

Fig. 3 - Humidier. HM terminal provides system 24V on call for humidication

Fig. 4 - Powered Humidier. With HM DRY switch in HM2 position, HM

and HM2 provide normally open dry contact for low voltage (24V) powered

humidier connection.

HM2

Non-Powered

Humidier

HM DRY

HM2

Fig. 5 - Powered Dehumidier. With DHM DRY switch in DHM2 position,

DHM and DHM2 provide normally open dry contact for low voltage (24V)

whole house powered dehumidier connection.

DHM

DHM2

Powered

Dehumidier

DHM DRY

DHM2

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White 1521 Specifications Page 9