Tjernlund UCRT Rooftop Inducer Universal Control (Version X.06) 8504162 Rev A 05/11 - Manual (Page 10)

9
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.