Emerson 50F06-843 INSTALLATION INSTRUCTIONS

50F06-843

!

Universal Furnace Electronic Fan

Timer Control Kit

INSTALLATION INSTRUCTIONS

FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY
BEFORE INSTALLING OR OPERATING THIS CONTROL COULD CAUSE
PERSONAL INJURY AND/OR PROPERTY DAMAGE.

PARTS INCLUDED

• 50F06-843 Electronic Fan Timer Control Board

• 2 - Main Harness Assemblies (ST9101, ST9141)

• 1 - Jumper Harness (ST9160)

• 2 - 7” Long Transformer Wiring Extensions (EXT)

• 2 - 3/16” QC crimp on terminals for
optional use with Wiring Extensions

• 4 - 1” Sheet Metal Mounting Screws
(for mounting tray corner locations)

DESCRIPTION

The 50F06-843 is an aftermarket universal replacement fan
timer control kit for single stage furnaces with PSC inducer
and blower motors.

• 2 - ½” Sheet Metal Mounting Screws
(for mounting tray center tabs)

• 2 - Wire Ties

• Troubleshooting Label

• Installation Instructions

TWINNING: 50F06-843 can be twinned. Both control
boards must be from the same manufacturer for proper
functionality.

SPECIFICATIONS

ELECTRICAL RATINGS:

Input Low Voltage: 25 VAC, 60 Hz
Input Line Voltage: 115/230VAC, 60 Hz, 1φ

Max Input Current: 800mA @ 25 VAC
Relay Contact Ratings:

Inducer Output: 1.5 FLA @ 115 VAC
.75A @ 230 VAC
Blower Output: 15 FLA @ 115 VAC

7.5A FLA @ 230VAC
Humidifier and EAC Load: .8A FLA @ 115 VAC
.4A FLA @ 230VAC

POST PURGE TIMING:

5 seconds

LOCKOUT AUTO RESET TIMING:

60 minutes

OPERATING TEMPERATURE RANGE:

-40° to 176°F (-40° to 80°C)

HUMIDITY RANGE:

5 to 95% relative humidity (non-condensing)

GASES APPROVED: Natural, Manufactured, Mixed,

Liquid Petroleum, and LP Gas Air Mixtures.

CAUTION

Risk of Electric Shock.
Disconnect electric power
to system until installation
is complete. Do not use on
circuit exceeding specified
voltage. Higher voltage will
damage control and could
cause shock or fire hazard

This control is not intended
for use in locations where
it may come in contact with
water.

May cause flame rollout.
Shut off main gas to
heating system until
installation is complete.

PART NO. 37-7803001

emerson.com/white-rodgers

View installation video

1931

TABLE 1: CROSS REFERENCE, HARNESS SELECTION, DIPSWITCH SETTINGS

(Harness Part Numbers Match Control Model Being Replaced for Easy Identication)

Honeywell, ICM,

Robertshaw

Control Model

ST9101A1006 Rheem ST9101 30 100 4 0 OFF 30 OFF OFF 120 OFF 4 OFF 30

ST9101A1014 Rheem 47-22827-xx

ST9101A1022 Trade ST9101 30 100 4 0 OFF 30 OFF OFF 120 OFF 4 OFF 30
ST9120A1006 Armstrong N/A 30 100 4 0 OFF 30 OFF OFF 120 OFF 4 OFF 30
ST9120A2004 Armstrong 40403-001 N/A 30 140 4 0 OFF 30 OFF ON 150 OFF 4 OFF 30
ST9120B1005 Ducane N/A 30 60 4 0 OFF 30 ON OFF 60 OFF 4 OFF 30
ST9120C1012 Snyder Gen N/A 60 100 4 0 ON 60 OFF OFF 120 OFF 4 OFF 30
ST9120C1020 Nordyne N/A 60 100 4 0 ON 60 OFF OFF 120 OFF 4 OFF 30
ST9120C2002 York 031-01237-000 031-02959-000 N/A 30 100 4 30 OFF 30 OFF OFF 120 OFF 4 OFF 30
ST9120C2010 Ducane 20054502 CAR20054502 N/A 30 100 4 30 OFF 30 OFF OFF 120 OFF 4 OFF 30

ST9120C2028 Armstrong 40403-001

ST9120C3000 ICP HQ1010031HW 1010031 N/A 30 140 30 30 OFF 30 OFF ON 150 ON 30 OFF 30
ST9120C3018 Bard N/A 60 100 4 60 ON 60 OFF OFF 120 OFF 4 ON 60
ST9120C4008 ICP N/A 30 140 30 30 OFF 30 OFF ON 150 ON 30 OFF 30
ST9120C4016 ICP HQ1009836HW 1009836 N/A 30 140 30 30 OFF 30 OFF ON 150 ON 30 OFF 30
ST9120C4040 ICP HQ1011179HW 1011179 N/A 30 140 30 30 OFF 30 OFF ON 150 ON 30 OFF 30
ST9120C4057 ICP HQ1011927HW 1011927 N/A 30 140 30 30 OFF 30 OFF ON 150 ON 30 OFF 30

*ST9120C5005 ICP HQ1084197HW 1084197 N/A 30 140 4 30 OFF 30 OFF ON 150 OFF 4 OFF 30

*ST9120C5013 ICP HQ1170063HW

*ST9120D3009 Goodman B18099-11(S)

ST9120G2008 ICP HQ1008773HW 1008773 N/A 60 100 30 0 ON 60 OFF OFF 120 ON 30 OFF 30

ST9120G2016 ICP N/A 30 100 30 30 OFF 30 OFF OFF 120 ON 30 OFF 30

ST9120G2024 Skymark N/A 30 60 30 30 OFF 30 ON OFF 60 ON 30 OFF 30

ST9120G2032 Skymark N/A 30 60 4 100 OFF 30 ON OFF 60 OFF 4 ON 60

ST9120G4004 ICP HQ1009838HW 1009838, HG1009838HW N/A 30 140 30 30 OFF 30 OFF ON 150 ON 30 OFF 30

ST9120G4012 ICP HQ1009836HW 1009836 N/A 30 140 30 30 OFF 30 OFF ON 150 ON 30 OFF 30

ST9120G4038 Trade N/A 30 140 30 30 OFF 30 OFF ON 150 ON 30 OFF 30

ST9120U1003 Trade N/A 30 140 4 30 OFF 30 OFF ON 150 OFF 4 OFF 30

ST9120U1011 N/A 30 120 4 30 OFF 30 OFF OFF 120 OFF 4 OFF 30

ST9141A1002 Consolidated 406650 Weil-McLain 4116000 ST9141 30 140 6 60 OFF 30 OFF ON 150 OFF 4 ON 60

ST9141A1028 Consolidated ST9141 30 140 6 60 OFF 30 OFF ON 150 OFF 4 ON 60

ST9141B1001 Consolidated ST9141 75 180 6 60 ON 60 ON ON 180 OFF 4 ON 60

ST9150A1003** Consolidated N/A 36 168 7 72 OFF 30 ON ON 180 OFF 4 ON 60

ST9150B2000** N/A 36 144 7 0 OFF 30 OFF ON 150 OFF 4 OFF 30

ST9150B2018** ICP N/A 30 140 30 30 OFF 30 OFF ON 150 ON 30 OFF 30

ST9150B2026** Ducane N /A 36 144 7 36 OFF 30 OFF ON 150 OFF 4 OFF 30

ST9150B2034** N/A 36 144 7 36 OFF 30 OFF ON 150 OFF 4 OFF 30

ST9160A1002 Armstrong 45392-001 ST9160 30 90 6 60 OFF 30 OFF OFF 120 OFF 4 ON 60

ST9160B1001 ST9160 30 120 6 30 OFF 30 OFF OFF 120 OFF 4 OFF 30

ST9160B1019 ST9160 30 120 6 30 OFF 30 OFF OFF 120 OFF 4 OFF 30

ST9160B1027 ST9160 30 120 6 60 OFF 30 OFF OFF 120 OFF 4 ON 60

ST9160B1035 ST9160 30 120 6 30 OFF 30 OFF OFF 120 OFF 4 OFF 30

ST9160B1043 ICP ST9160 30 140 6 30 OFF 30 OFF ON 150 OFF 4 OFF 30

ST9160B1050 ICP HQ1012358HW 1012358 ST9160 30 140 6 60 OFF 30 OFF ON 150 OFF 4 ON 60

ST9160B1068 Armstrong 45692-001 ST9160 30 120 6 60 OFF 30 OFF OFF 120 OFF 4 OFF 30

ST9160B1076 Ducane 2043081 28M99(01) ST9160 30 120 6 30 OFF 30 OFF OFF 120 OFF 4 OFF 30

ST9160B1084 ICP 1014460 ST9160 30 140 6 90 OFF 30 OFF ON 150 OFF 4 ON 60

ST9160C1000 ST9160 30 140 30 30 OFF 30 OFF ON 150 ON 30 OFF 30

ST9160C1018 ST9160 30 140 30 30 OFF 30 OFF ON 150 ON 30 OFF 30

ICM270 Evcon 2702-300

ICM270 Rheem 47-22827-xx

695-003 Rheem 47-22828-xx (Robertshaw) ST9101 OFF 30 OFF OFF 120 OFF 4 OFF 30

* Heat Fan O Delay seng may need adjustment based on performance

** Replacement requires 60Hz power supply

Appliance

OEM

OEM Part Alt OEM Part(s)

47-22693-xx,
47-22828-xx,

47-22830-xx

40403-002, 40403-003,
025-32816-000, 87H88

1170063, 1008786,
1009837, 1011543,
1012106, 1150489,
1160192, 1138-200

CARB1809911,

CARL38267

2895-3001,

026-34030-000

47-22693-xx,
47-22828-xx,

47-22830-xx

Harness

Req'd

ST9101 30 100 4 0 OFF 30 OFF OFF 120 OFF 4 OFF 30

ST9101

ST9101 OFF 30 OFF OFF 120 OFF 4 OFF 30

Original Delay Timing 50F06-843 Suggested Delays

Heat Cool Heat Cool

ON OFF ON OFF ON OFF ON OFF

seconds sw1-1 sec sw1-2 sw1-3 sec sw1-4 sec sw2-1 sec

N/A 30 100 4 60 OFF 30 OFF OFF 120 OFF 4 ON 60

N/A 30 140 4 30 OFF 30 OFF ON 150 OFF 4 OFF 30

N/A 30 140 4 60 OFF 30 OFF ON 150 OFF 4 ON 60

OFF 30 OFF OFF 120 OFF 4 OFF 30

Check Unit

Documentaon or

Exisng Control

BLUE SHADING = A CHANGE FROM DEFAULT SELECTION IS REQURED

2

DIPSWITCH CONFIGURATION

TROUBLESHOOTING

GREEN

FLASH

AMBER

FLASH

RED

FLASH

1

Limit switch, burner limit switch, or fuse is open

X

X

2

Primary limit switch is open

X

Pressure switch improperly closed, or open
when inducer has been running >30 seconds

150 seconds.

>30VAC for more than 10 seconds. Not detected

seconds proper voltage.

9

Reversed 120VAC polarity / grounding

XXX

Other

Additional codes displayed on gas valve LED

X

Flash codes NOT stored in memory

Alternate

Alternate

Alternate

Self-test mode active

Rapid

Control power up

Solid

Standby

Continuous

Fan only call (G)

1

Call for cool (Y)

2

Call for heat (W)

6

Twinning error

DIPSWITCH SETTINGS

ONON

OFFOFF

ALTERNATE HEAT OFF DELAYS

ONON

OFFOFF

NOT USED

NOT USED

"G" FAN SPEED

COOL

60s

HEAT*

1 2 3 4

30s*

COOL OFF DELAY

SW2

30s

ON OFF

180s

4s*

COOL ON DELAY

HEAT OFF DELAY

120s*

ON OFF

HEAT ON DELAY

60s

30s*

1 2 3 4

SW1

*DEFAULT SETTING

150s

HEAT OFF DELAY

SW1

60s

HEAT OFF DELAY

1 2 3 4 1 2 3 4

SW1

Note: Cycle Power After Changes Are Made

ON

OFF

OFF

ON

Notes:

• To change settings break through yellow protective plastic film and make required adjustments

• See Table 1 for dipswitch setting recommendations by control board part number (any changes to be made from 50F06-843

defaults will be highlighted in BLUE)

• Cycle power after making any changes

INSTALLATION ACCESSORIES

• 7” long wiring extensions EXT can be used if existing transformer wires do not easily reach the new control board connections.
Extension wires have ¼” male x ¼” female spades

• 3/16” male crimp-on quick connects can be used to modify the EXT extension leads if they are needed for units having smaller
transformer connections

• Mounting screws can be used with the plastic tray CORNER HOLES (4x long) or MOUNTING TABS (2x short)

• Wire ties can be used to secure any wiring as needed

• Troubleshooting label can be placed on furnace access panel for referencing dipswitch setup and LED codes

DIPSWITCH SETTINGS

Note: Cycle power after changes are made

ON

OFF

NOT USED

1 2 3 4

OFF

1 2 3 4

OFF

1 2 3 4

HEAT *
30s *

SW2

1 2 3 4

150s

SW1

60s

SW1

OFF

4s *

120s *

30s *

SW1

NOT USED
“G” FAN SPEED
COOL OFF DELAY

COOL ON DELAY

HEAT OFF DELAY

HEAT ON DELAY

* DEFAULT SETTING

HEAT OFF DELAY

HEAT OFF DELAY

COOL

60s

ON

30s

ON

180s

ON

60s

ALTERNATE HEAT OFF DELAYS

ON

ON

LED

LED

LED

Up to 5 ash codes stored in memory (auto-erased after 14 days)

3

4

OFF
OFF

OFF OFF OFF Check power / internal control fault

ON
OFF

SELF-TEST - Power cycle control, press FAULT button 2x during rapid green ash

FAULT RECALL - In standby, hold FAULT button < 5 seconds
FAULT ERASE - In standby, hold FAULT button > 5 seconds but < 10 seconds
CONTROL LOCKOUT RESET - Remove 24VAC power > 10 Seconds

OFF
ON

7

8 Gas valve sensed energized when it should be off X

Solid ST9160 jumper missing, plug into connector J1 X

Place Jumper Harness ST9160 in connector J1 for ALL ST9160 replacements.

This Harness is NOT USED for any other replacements

ERROR / CONDITION

Overheated due to air not circulating (lockout).
Three consecutive primary limit open events >

Wrong 24VAC supply condition <18VAC or

with fault 9. Operation resumes with 120

JUMPER HARNESS

50F06-843

SYSTEM

TYPE

ST9101

ST9120

X

X

X X X

ALL

5002-0377

ST9141

ST9160

EXT

EXT

3