Integrated control, Motor, Units 589A048,060 208/230

Cooling (cont)

SYMPTOM	CAUSE	REMEDY

Integrated control	Blower wheel not secured to shaft	Properly tighten blower wheel to shaft.
motor
motor	Insufficient voltage at motor	Determine cause and correct.
(units 589A048,060	Insufficient voltage at motor	Determine cause and correct.
(units 589A048,060
208/230 v)	Power connectors not properly	Connectors should snap easily; do not
IFM does not run.	seated	force.

Integrated control	Motor programmed with a delay	Allow a few minutes for motor to shut off.
motor (units	pro®le
589A048,060
589A048,060	With thermostat in OFF the voltage	If measured voltage is more than 1¤2, the
208/230 v)	on G,Y1,Y/Y2,W with respect to	thermostat is incompatible with motor. If
IFM runs when it	on G,Y1,Y/Y2,W with respect to	thermostat is incompatible with motor. If
IFM runs when it	common, should be 1¤2 of actual	voltage is less than 1¤2, the motor has failed.
should be off.	low voltage supply
	low voltage supply

Integrated control	Water dripping into motor	Verify proper drip loops in connector wires.
motor (units
589A048,060
589A048,060	Connectors not ®rmly seated	Gently pull wires individually to be sure they
208/230 v) IFM	Connectors not ®rmly seated	Gently pull wires individually to be sure they
208/230 v) IFM		are crimped into the housing.
operation is		are crimped into the housing.
intermittent.
IFM Ð Evaporator (Indoor) Fan Motor

Heating

SYMPTOM	CAUSE		REMEDY

Burners will not ignite.	Water in gas line	Drain. Install drip leg.
	No power to furnace	Check power supply fuses, wiring, or circuit breaker.
	No 24-v power supply to control	Check transformer.
	circuit	NOTE: Some transformers have internal overcurrent
		protection that requires a cool-down period to reset.
	Miswired or loose connections	Check all wiring and wirenut connections.
	Burned-out heat anticipator in	Replace thermostat.
	thermostat
	Broken thermostat wire	Run continuity check. Replace wire if necessary.
	Misaligned spark electrodes	Check ¯ame ignition and sense electrode positioning.
		Adjust as necessary.
	No gas at main burners	1.	Check gas line for air. Purge as necessary.
			NOTE: After purging gas line of air, wait at least
			5 minutes for any gas to dissipate before attempt-
			ing to light unit.
		2.	Check gas valve.
Inadequate heating.	Dirty air ®lter	Clean or replace ®lter as necessary.
	Gas input to furnace too low	Check gas pressure at manifold. Match with that on
		unit nameplate.
	Unit undersized for application	Replace with proper unit or add additional unit.
	Restricted air¯ow	Clean or replace ®lter. Remove any restriction.
	Blower speed too low	Use faster speed tap if available, or install alternate
		motor.
	Limit switch cycles main burners	Check rotation of blower, thermostat heat antic-
		ipator settings, temperature rise of unit. Adjust as
		necessary.
Poor ¯ame characteristics.	Incomplete combustion results in:	1.	Tighten all screws around burner compartment.
	Aldehyde odors, carbon monox-	2.	Cracked heat exchanger. Replace.
	ide, sooting ¯ame, ¯oating ¯ame	3. Unit over®red. Reduce input (change ori®ces or
			adjust gas line or manifold pressure).
		4.	Check burner alignment.

Ð49Ð

589A, 588A specifications

The Bryant 588A is a high-efficiency gas furnace celebrated for its advanced technology and superior performance in residential heating. Known for its reliability and durable construction, this model is ideal for homeowners looking for warmth and comfort during colder months.

One of the standout features of the Bryant 588A is its remarkable AFUE (Annual Fuel Utilization Efficiency) rating, which can reach up to 96.5%. This high efficiency means that a significant portion of the fuel consumed is converted into usable heat, leading to lower energy bills and a reduced carbon footprint. The furnace utilizes a two-stage heating system, which improves comfort levels by providing more consistent temperatures and reducing the frequency of temperature swings in the home.

Another notable characteristic is the incorporation of a multi-speed blower motor. This innovation enhances airflow and optimizes energy use by adjusting the fan speed according to the heating needs of the home. The variable speed operation also helps to minimize noise levels, creating a quieter environment compared to traditional single-speed furnaces.

The Bryant 588A features an advanced control system that allows for better system management and can be integrated with smart home technologies. This allows homeowners to monitor and adjust their heating settings remotely, offering convenience and efficiency. Additionally, the furnace is compatible with Bryant’s Evolution System, which provides advanced diagnostic features and improved energy performance.

Durability is a key characteristic of the Bryant 588A, as it is constructed with a heavy-duty cabinet designed to withstand the rigors of daily use and harsh weather conditions. The unit also includes a corrosion-resistant heat exchanger, ensuring longevity and reliability.

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In summary, the Bryant 588A gas furnace combines high efficiency, innovative technology, and durable construction. Its effective heating capabilities paired with user-friendly features make it a smart investment for anyone looking to enhance their home heating system while enjoying lower energy costs and increased comfort.

SYMPTOM