T874C Installation Manual & Owner's Guide

Description

T874C Installation Manual, It is necessary to configure the programmable comfort control thermostat before starting its work. This will further ensure continuous and correct operation of the T874C Installation Manual. Study the owner's guide in English.

Honeywell T874C Q & A

What is the Honeywell t8775a1009?

• Honeywell Digital Round Thermostat with manual changeover and R,Rc,O,B,G,Y,W terminals provides single-stage temperature control for 24V gas or oil Heat Only systems. The Honeywell T8775A1009 includes a thermostat, wallplate (for wiring and mounting thermostat), mounting screws, wall anchors, and a 4074 FAB resistor.

What is a Honeywell T87 thermostat?

• The Honeywell T87 is the standard round thermostat you find in many older homes, although some newer models have a backlit LED screen instead of the familiar graduated temperature scale. Models with an LED screen require batteries, but the original mechanical models don't.

What is the Honeywell T4?

• As part of the Honeywell Home T-Series, the T4 makes your job easier too, with quick installation features and maintenance reminders so customers can help themselves and help reduce service calls.

Can a t874 be used as a heat pump?

• Commercial Rooftop Application The T874 can be used as part of a commercial rooftop application to run mechanical cooling. An economizer is often used as part of a rooftop application to save on air conditioning. Page 24 A heat pump, being a mechanical refrigeration system, should be cycled at a rate of 2-1/2 to 3 times an hour.

Honeywell Global

Honeywell International Inc. is an American publicly traded, multinational conglomerate headquartered in Charlotte, North Carolina. It primarily operates in four areas of business: aerospace, building technologies, performance materials and technologies (PMT), and safety and productivity solutions (SPS).[3] Honeywell is a Fortune 100 company, ranked 92nd in 2019.[4] The company has a global workforce of approximately 110,000 workers, with approximately 44,000 employed in the United States.[5][6] The current chairman and chief executive officer (CEO) is Darius Adamczyk.[7]

The company's current name, Honeywell International Inc., is the product of a merger of Honeywell Inc. by acquisition to AlliedSignal during 1999. The company headquarters were consolidated with AlliedSignal's headquarters in Morristown, New Jersey; however, the combined company chose the name "Honeywell" because of the considerable brand recognition.[8] Honeywell was a component of the Dow Jones Industrial Average index from 1999 to 2008. Prior to 1999, its corporate predecessors were included dating back to 1925, including early entrants in the computing and thermostat industries.[9][10] In 2020, Honeywell rejoined the Dow Jones Industrial Average index[11] and the following year moved its stock listing from the New York Stock Exchange to the Nasdaq