Wiring, Setting the Control | White Rodgers 1145 specification

WIRING

All wiring should be done in accordance with local and national electrical codes and ordinances.

If the boiler or burner manufacturer recommends a wiring diagram, then follow such recommendations. If none is offered, this diagram shows a suggested circuit.

LOW LIMIT APPLICATION — This diagram shows a common circuit on an oil fired heating system that also heats domestic hot water which is stored in a tank.

Low limit control maintains domestic hot water temperature all year round.

When thermostat calls for heat, burner and circulator operate.

	FIELD	THERMOSTAT
	FIELD
	INSTALLED
TYPE 668 OIL	JUMPERS
TYPE 668 OIL
BURNER CONTROL	TYPE
(LINE VOLTAGE)	829A RELAY

T			T
			T
T
HIGH LIMIT			T
HIGH LIMIT	5	3	1
CONTROL			HOT
IGNITION			LINE
TRANS.			LINE
			2
		4	N
		4	N
	6
	LOW LIMIT
	CONTROL
BURNER
MOTOR	CIRCULATOR MOTOR
	CIRCULATOR MOTOR

SETTING THE CONTROL

CONTROLS WITH ADJUSTABLE DIFFERENTIAL

The movable indicator points to the temperature at which the contacts open. The fixed indicator points to the temperature at which the contacts close. The difference between these two indicators is the differential.

“B” FIXED INDICATOR

(CUT-IN POINT)

“C” DIFFERENTIAL ADJUSTING SCREW

“D” MOVABLE INDICATOR (CUT-OUT POINT)

“A” ADJUSTING

SLOT

To set the control:

1.Use a screwdriver in the adjusting slot (A) on the front of the control to turn the dial so that the fixed indicator (B) points to the temperature at which the contacts will close.

2.Turn the differential adjusting screw (C) until the movable indicator (D) points to the temperature at which the contacts will open.

1145 specifications

The White Rodgers 1145 is a widely recognized electronic thermostat designed for residential and commercial heating and cooling systems. Known for its reliability and user-friendly interface, the 1145 thermostat stands out in its ability to offer precise temperature control, thereby enhancing comfort while promoting energy efficiency.

One of the main features of the White Rodgers 1145 is its customizable programming options. Users can easily set up a seven-day programmable schedule, allowing for tailored temperature settings based on their daily routines. This feature helps to conserve energy by reducing heating or cooling when it's unnecessary, ultimately leading to cost savings on utility bills.

The 1145 thermostat employs advanced technology to maintain accurate temperature readings. It utilizes electronic components and sensors that ensure the thermostat reacts quickly to environmental changes. The straightforward digital display enhances usability, making it easy for homeowners to adjust settings as needed. In addition, the backlit display allows for easy visibility even in low-light conditions.

Another significant advantage of the White Rodgers 1145 is its compatibility with various HVAC systems, including gas, oil, and electric furnaces, as well as heat pumps. This versatility allows it to be a suitable choice for different applications, making the 1145 a flexible option for many households.

The installation of the White Rodgers 1145 is designed to be user-friendly, with clear instructions provided to ease the process for both professionals and DIY enthusiasts. Its compact design allows it to fit seamlessly into existing wall mounts, and its aesthetically pleasing appearance complements most interior decors.

Moreover, this thermostat features a permanent memory function, ensuring that the user’s programming is retained even during power outages. This critical feature means that homeowners do not have to reprogram their thermostat each time there is a disruption in power.

In conclusion, the White Rodgers 1145 combines ease of use, programmable features, and robust compatibility with various HVAC systems, making it an excellent choice for those seeking an efficient and reliable temperature control solution. Its thoughtful design and technological advancements not only promote energy savings but also enhance the overall comfort of living spaces.