White Rodgers 1E50N-301 New Thermostat Operation, Specifications, Troubleshooting, Symptom

6 NEW THERMOSTAT OPERATION

This thermostat is easy to operate. After power is turned on, use the system switch to select heating, or to turn the heating system off.

7 SPECIFICATIONS

ELECTRICAL DATA
Switch Rating	24 VAC (30 VAC max.)
Heating	0.15 to 1.2 Amps
Anticipator Rating:
Heating	Adjustable from 0.15 to 1.2 Amps
THERMAL DATA:

Heat

Anticipator (adjustable)

WR

Heating

System

24 VAC

THERMOSTAT

SYSTEM

Hot

120 VAC

Neutral

Temperature Range	50°F to 90°F (10°C to 32°C)
Operating Humidity Range	0 – 90% noncondensing

Figure 3. Typical wiring for single transformer heating system

8 TROUBLESHOOTING

Symptom	Possible Cause		Corrective Action
No Heat/ No Fan	1.	Blown fuse or tripped circuit breaker.	Replace fuse or reset breaker.
(common problems)	2.	Furnace power switch to OFF.	Turn switch to ON.
	3.	Furnace blower compartment door or	Replace door panel in proper position to engage
		panel loose or not properly installed.	safety interlock or door switch.
No Heat	1.	Pilot light not lit.	Re-light pilot.
	2.	Broken or melted anticipator wire.	Excessive current or dead short in system. Have a qualified service person check the system
	3.	Loose connection to thermostat	before replacing thermostat.
		or system.	Verify thermostat and system wires are securely attached.
	4.	Thermostat or heating system requires	Your furnace manufacturer or service person can describe how to test the heating system to
		replacement or service.	verify it is operating correctly. If the heating system is capable of operation and the no heat
	5.	System Switch not set to Heat.	condition persists, replace the thermostat.
			Set System Switch to Heat and raise temp above room temp.
Intermittent Heat	1.	Furnace Lock-Out Condition	Many furnaces have safety devices that shut the system down when a lock-out condition occurs.
			If the heat works intermittently contact the furnace manufacturer or local service person for
			assistance.
Heat or Fan Runs	1.	Possible short in wiring.	Check each wire connection to the thermostat to verify it is neatly looped under the terminals.
Constantly.	2.	Possible short in thermostat.	No extra wire should stick out from under the terminals.
	3.	Possible short in heat/cool/fan system.
Furnace Cycles Too Fast	See Step 5, Adjusting the Anticipator.		The anticipation setting is the only adjustment that effects the heating cycle rate. If an accept-
or Too Slow Narrow or			able cycle rate is not achieved using the anticipator contact a local service person for addi-
wide temperature swing			tional suggestions. The location of the thermostat, size of the Heat/Cool System and current
			draw can influence the cycle rate.
Thermostat Setting and	1.	Thermostat thermometer setting	The thermometer can be adjusted by using a standard slotted screwdriver. Turn the thermom-
Thermostat Thermometer		requires adjustment.	eter pointer screw located inside the front cover to change the setting. For calibrating the
Disagree	2.	Thermostat setting lever requires	setting lever contact a local heating and cooling service person.
		calibration.
Adjusting Thermometer	1.	Thermostat thermometer disagrees	The thermometer on the thermostat is accurately calibrated at our factory but you can adjust it
		with other room thermometers.	by using a standard slotted screwdriver. Turn the thermometer pointer screw located inside
			the front cover to change the setting.

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