Tjernlund UC1 Universal Control (Version X.02 or Earlier) 8504107 Rev 08/02 User Manual

Page 11

UC1 UNIVERSAL CONTROL OPERATIONAL CHECK

1. Confirm power is supplied to the Control. LED #5 (RED) should be on.

2. Activate the UC1 by initiating an appliance call for heat. LED #1 (AMBER) should be on.

3. The motor relay will close and activate the Venter motor. LED #3 (GREEN) should be on.

4. If the safety circuit across P1 & P2 (Venter Prover) is closed, indicating an approved condition,

the appliance interlock relay will close making terminal #3 closed to terminal #4. LED #2
(GREEN) should be on.

5. Remove power to the UC1 and any interlocked appliances. The LED #5 (RED) or any LED’s

should not be on. Test the safety circuit by removing the Blue or Yellow Lead from Fan Proving
Switch. Do not let the opened LEAD touch a ground or damage may occur to the control when
power is Reestablished. Reestablish power to the UC1 and interlocked appliances and initiate
an appliance call for heat. After 60 seconds a Prover Start Up fault should arise with LED #4
(RED) and LED #5 (RED) flashing in unison.

6. Remove appliance call for heat and power to the UC1 and any interlocked appliances. The LED

#5 (RED) or any LED’s should not be on. Reconnect Blue or Yellow Fan Prover lead to Fan
Proving Switch terminal removed from in step 5.

7. Reestablish power to UC1 and interlocked appliances and initiate a call for heat to confirm proper operation of UC1 and

appliance.

UC1 UNIVERSAL CONTROL CONNECTED WITH A HONEYWELL R8184 SERIES

OR EQUIVALENT PRIMARY CONTROL AND A BURNER MOTOR POST-PURGE

RED JUMPER POSITION MUST BE THE SAME

AS APPLIANCE INTERLOCK VOLTAGE.

UNIVERSAL CONTROL

BURNER

MTR

THERMOSTAT

OIL VALVE

WHITE

ORANGE

IMPORTANT:

115V

DRY

24V

D/N 9183047-4

115 VAC

LEGEND:

CALL
JUMPER

BLACK

HONEYWELL R8184

SERIES OR EQUIVALENT

VENTER

MOTOR

IGNITION

TRANS

50/60 Hz

SUPPLY
115 VAC

SPADE TERMINAL IN ELECTRICAL BOX.

GROUND

CRIMP GROUND WIRE TO GROUNDING

IMPORTANT:

1. Separate the burner motor wire and ignition transformer from the Orange wire of R8184.
2. Connect the Orange of R8184 to #1 on UC1 terminal block.
3. Connect #2 on UC1 terminal block to White on R8184 or N.
4. Connect the HOT wire of oil solenoid valve to #4 on UC1 terminal block and neutral wire to White or N.
5. Connect burner motor and ignition transformer HOT wires to M terminal on UC1 and neutrals to White or N.
6. Make sure RED voltage jumper on UC1 is on 115V.
7. Connect 115 VAC supply voltage to L & N terminals on UC1. Crimp Ground wire to grounding spade terminal in UC1.

Important: Installer must supply overload and disconnect protection.

8. If not previously completed, connect ground from UC1 whip to Venter ground. Connect Black and White leads from UC1 whip

to Venter motor leads. Connect Blue and Yellow leads from UC1 whip to Fan Prover switch. Prover Leads are not polarity sensitive.