Whirlpool WPIO-369B Instruction Manual download pdf (Page 15)

NOTES:

■ For single-stage cooling applications, a jumper may be

required between Y1 and Y2 at the furnace control in order to

achieve the desired single-stage cooling airflow. Consult the

Blower Performance charts to determine if the required

single-stage cooling airflow can be delivered at low stage (Y1

input) or high stage (Y2 input). Additionally, use of ramping

profile and dehumidification features require a jumper

between Y1 and O and Y1 and DEHUM, respectively.

■ Thermostat R required if outdoor unit is equipped with a

Comfort Alert

module.

Thermostat Wiring Diagram—Single-Stage Thermostat

Application

NOTE: Place jumper between Y1 and O for proper

dehumidification operation and proper ramping profile operation.

NOTE: To apply a single-stage heating thermostat, the

thermostat selector switch on the integrated control module must

be set on single-stage.

Thermostat Wiring Diagram—2-Stage Heating with

Single-Stage Cooling

NOTE: Place jumper between Y1 and O for proper

dehumidification operation and proper ramping profile operation.

Thermostat Wiring Diagram—2-Stage Heating with

2-Stage Cooling

NOTE: Place jumper between Y1 and O for proper

dehumidification operation and proper ramping profile operation.

A single-stage thermostat with only 1 heating stage may be used

to control this furnace. The application of a single-stage

thermostat does not offer true thermostat-driven 2-stage

operation, but provides a timed transition from low to high fire.

The furnace will run on low stage for a fixed period of time before

stepping up to high stage to satisfy the thermostat’s call for heat.

The delay period prior to stepping up can be set at either a fixed

5-minute transition time or a load based variable time between

1 and 12 minutes (Auto transition). If the Auto transition mode is

selected, the control averages the cycle times of the previous

3 cycles and uses the average to determine the time to transition

from low stage to high stage.

To use a single-stage thermostat:

1. Turn off power to the furnace.

2. Move the thermostat selection DIP switch to the Off

(single-stage) position.

3. Set the desired transition time by setting the Stage Delay DIP

switch to On for Auto transition, or Off for 5-minute transition

time.

4. Turn on power. Refer to the following illustration.

A. Thermostat—single-stage heating

and single-stage cooling

B. Furnace integrated control module

C. Dehumidistat (optional)

D. Remote condensing unit

(single-stage cooling)

E. Thermostat R required if

outdoor unit is equipped with

a Comfort Alert™ module.

A. Thermostat—2-stage heating and

single-stage cooling

B. Furnace integrated control module

C. Dehumidistat (optional)

D. Remote condensing unit

(single-stage cooling)

E. Thermostat R required if

outdoor unit is equipped with

a Comfort Alert™ module.

Single Stg Heat Cool v2

Y C

NEU

2 Stg Heat Single Cool v2

Y C

NEU

A. Thermostat—2-stage heating and

2-stage cooling

B. Furnace integrated control module

C. Dehumidistat (optional)

D. Remote condensing unit

(2-stage cooling)

E. Thermostat R required if

outdoor unit is equipped with

a Comfort Alert™ module.

2 Stg Heat 2 Stg Cool v2

W1 W2

NEU

Therm DIP G 2009

Thermostat

Stage Delay

Heat OFF Delay

DIP Switches

ON OFF

1 2 ... 10 11 12 13 14 15 16 17 18 19 20 ... 39 40

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Whirlpool WPIO-369B Instruction Manual Page 15

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