Rheem GTC Series Guía para resolver problemas descargar pdf (Pagina 43)

Air Pressure Switch Types

Normally Open = NO

Normally Closed = NC

Contact States Contact Actions

Close on a rise in pressure

Close on a fall in pressure

Open on a rise in pressure

Open on a fall in pressure

Application

Normal State Activated State

Normally closed contacts, open on a fall in pressure.

Blocked Intake

Air Pressure Switch

Cyclone BTH 120-400 Models

Normally open contacts, close on a rise in pressure.

Blower Prover

Air Pressure Switch

Cyclone BTH 120-400 Models

Normally closed contacts, open on a rise in pressure.

Blocked Exhaust

Air Pressure Switch

Cyclone BTH 120-400 Models

Normally open contacts, close on a fall in pressure.

Blocked Exhaust

Air Pressure Switch

Power-Vent & Power Direct

Vent Residential Models

Blower Prover

Air Pressure Switch

BTI/BTN 120 – 400 Models

AHSA02307 7 of 8

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Rheem GTC Series Guía para resolver problemas Pagina 43