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UC1 UNIVERSAL CONTROL CONNECTED TO A GAS OR OIL BURNER WITH AN AQUASTAT

XN

R

UN

IV

ER

SA
L CO

NT
RO

L

L

E

R

LINE VOLTAGE OIL BURNER

PRIMARY CONTROL, BURNER

L1

N

XL

J1

J2

115V

DRY

24V

AQUASTAT

B2

B1

C1

C2

L1

L2

D/N 9183046-7

115 VAC

LEGEND:

CALL
JUMPER

RELAY OR GAS VALVE

50/60 Hz

SUPPLY
115 VAC

RED JUMPER POSITION MUST BE THE SAME

IMPORTANT:

AS APPLIANCE INTERLOCK VOLTAGE.

SPADE TERMINAL IN ELECTRICAL BOX.

GROUND

CRIMP GROUND WIRE TO GROUNDING 

IMPORTANT:

1. Disconnect B1 from L1 of oil burner primary control, burner relay or hot of gas valve and reconnect to #1 on UC1 terminal block.
2. Connect #2 on UC1 terminal block to B2 or N.
3. Connect #4 on UC1 terminal block to the L1 on line voltage oil burner primary control, burner relay or gas valve.
4. Make sure RED voltage jumper on UC1 is on 115V.
5. Connect 115 VAC supply voltage to L & N terminals on UC1. Connect the 2 green ground wires in UCRT to supply ground. 

Important: Installer must supply overload and disconnect protection.

6. If not previously completed, connect Black, White and Red leads from UCRT to like colors in Rooftop Inducer whip 4x4 weather-

proof junction box. Connect the Green/Yellow ground lead in UCRT to the ground screw in the Rooftop Inducer whip 4x4 
weatherproof  box. Connect Blue and Yellow leads from UCRT to PSA-1 Fan Prover switch. Prover Leads are not polarity sensitive.

NOTE:

If burner safety control goes out on lockout, the Inducer will continue to run as long as a call for heat is present.

UC1 UNIVERSAL CONTROL CONNECTED TO A HONEYWELL R7184 SERIES OR EQUIVALENT

PRIMARY CONTROL WITH A LINE VOLTAGE THERMOSTAT OR AQUASTAT 

Burner

Alarm

Cad Cell

A

Interrupted

Intermittant

Motor

A

IGNITION TRANS

BURNER MOTOR

R

Oil Valve

Limit

R7184

L1

T

T

L2

OIL VALVE

115 VAC

60 Hz

SUPPLY

Limit

24
V

DRY

1

15V

XL

UNIVERSAL

 CONT

ROL

L

E

R

XN

J1

J2

RED JUMPER POSITION MUST BE THE SAME

AS APPLIANCE INTERLOCK VOLTAGE.

IMPORTANT:

D/N 9183046-6

115 VAC

LEGEND:

CALL
JUMPER

Ignitor

Line Voltage Thermostat

or Aquastat Control

Low Voltage
Jumper

50/60 Hz

SUPPLY
115 VAC

SPADE TERMINAL IN ELECTRICAL BOX.

GROUND

CRIMP GROUND WIRE TO GROUNDING 

IMPORTANT:

1. Disconnect burner motor wire off the R7184 and connect burner motor terminal of R7184 to #1 on UC1 terminal block.
2. Connect #2 on UC1 terminal block to L2 or N.
3. Connect #4 on UC1 terminal block to burner motor wire removed from R7184. 
4. Make sure RED voltage jumper on UC1 is on 115V.
5. Connect 115 VAC supply voltage to L & N terminals on UC1. Connect the 2 green ground wires in UCRT to supply ground. 

Important: Installer must supply overload and disconnect protection.

6. If not previously completed, connect Black, White and Red leads from UCRT to like colors in Rooftop Inducer whip 4x4 weather-

proof junction box. Connect the Green/Yellow ground lead in UCRT to the ground screw in the Rooftop Inducer whip 4x4 
weatherproof box. Connect Blue and Yellow leads from UCRT to PSA-1 Fan Prover switch. Prover Leads are not polarity sensitive.

Summary of Contents for UCRT

Page 1: ...ESE INSTRUCTIONS MAY RESULT IN IMPROPER INSTALLATION ADJUST MENT SERVICE OR MAINTENANCE POSSIBLY RESULTING IN FIRE ELECTRI CAL SHOCK CARBON MONOXIDE POISONING EXPLOSION PERSONAL INJURY OR PROPERTY DAM...

Page 2: ...ight carrier and your distributor immediately and file a concealed damage claim INSTALLATION RESTRICTIONS 1 The Pre Cycle Prover Status Check is deactivated from the factory on the UCRT Natural chimne...

Page 3: ...ED POWER LED DRY 24 V 115 V APPLIANCE INTERLOCK RELAY INDUCER MOTOR RELAY A B 1 2 3 4 L N J1 J2 XL XN P1 P2 C GND F 1 9 N M MTR J1 J2 CALL JUMPER Used when the call signal is used as the proven return...

Page 4: ...be cleared NOTE The UC1 board must have its 115 VAC power supply present when any of the 1 8 dip switches are moved back to their original position for the fault code to clear PRE POST PURGE AND PROVE...

Page 5: ...VOLTAGE SOURCE IS PROVIDED TO TERMINAL 3 120 VAC 10 50 60 Hz MOTOR 1 H P MAX 120 VAC 50 60 Hz USER PROVIDED 24 VAC AT TERMINALS 1 2 1 CALL HOT 2 COMMON CONTROL REQUIRES 5 mA 24 VAC TO TRIGGER MOVE RE...

Page 6: ...ed in these instructions call Tjernlund s Customer Service Department toll free at 1 800 255 4208 for assistance IMPORTANT If the call for heat interlock signal or 115 VAC power is removed the UC1 boa...

Page 7: ...heaters To interlock a millivolt water heater and a 24 115 VAC furnace or boiler add the WHKE and MAC1E MILLIVOLT HEATER INSTALLATIONS Each millivolt appliance interlocked with the UC1 must have its o...

Page 8: ...arity sensitive NOTE If burner safety control goes out on lockout the Inducer will continue to run as long as a call for heat is present UC1 UNIVERSAL CONTROL CONNECTED WITH A 24 VAC ELECTRONIC IGNITI...

Page 9: ...und wires in UCRT to supply ground Important Installer must supply overload and disconnect protection 5 If not previously completed connect Black White and Red leads from UCRT to like colors in Roofto...

Page 10: ...ol goes out on lockout the Inducer will continue to run as long as a call for heat is present UC1 UNIVERSAL CONTROL CONNECTED TO A HONEYWELL R7184 SERIES OR EQUIVALENT PRIMARY CONTROL WITH A LINE VOLT...

Page 11: ...lue and Yellow leads from UCRT to PSA 1 Fan Prover switch Prover Leads are not polarity sensitive NOTE If burner safety control goes out on lockout the Inducer will continue to run as long as a call f...

Page 12: ...to the ground screw in the Rooftop Inducer whip 4x4 weatherproof box Connect Blue and Yellow leads from UCRT to PSA 1 Fan Prover switch Prover Leads are not polarity sensitive UC1 UNIVERSAL CONTROL C...

Page 13: ...that a slight positive draft neutral to 0 01 W C or 2 5 Pa is measured at the appliance draft sampling location Flue gases should just start to spill from the draft hood draft diverter or barometric d...

Page 14: ...original position the fault code will be cleared NOTE The UC1 board must have its 115 VAC power supply present when any of the 1 8 dip switches are moved back to their original position for the fault...

Page 15: ...4 Red will be reset if the call for heat interlock signal or 115 VAC power is removed If the fan prover makes on start up but breaks for more than 10 seconds during the burner cycle LED 4 will flash...

Page 16: ...ined return it to your Tjernlund distributor for replacement Please include UCRT date code component was taken from The date code is located on the Electrical Box coverplate If the date code is older...

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