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

10
UC1 UNIVERSAL CONTROL CONNECTED TO AN OIL-FIRED FURNACE WITH A
HONEYWELL T87 OR EQUIVALENT NON-POWERED THERMOSTAT
XN
R
UNIV
E
RS
A
L
CO
NTRO
LLE
R
REMOVE JUMPER TO AVOID
AS APPLIANCE INTERLOCK VOLTAGE.
RED JUMPER POSITION MUST BE THE SAME
XL
J1
J2
DRY 115V 24V
IMPORTANT:
BACKFEEDS OR SHORT
50/60 Hz
SUPPLY
115 VAC
NON-POWERED THERMOSTAT
F
F
T
T
D/N 9183047-1
PRIMARY CONTROL
SPADE TERMINAL IN ELECTRICAL BOX.
GROUND
CRIMP GROUND WIRE TO GROUNDING
IMPORTANT:
OR EQUIVALENT
5 VDC BOARD-GENERATED
LEGEND:
115 VAC
DO NOT SUPPLY POWER!
POWER.
LOW VAC
HONEYWELL T87 OR EQUIVALENT
W
O
WHITE
ORANGE
B
BLACK
HONEYWELL
R8184 SERIES
IMPORTANT:
FACTORY-
WIRED
CIRCUITS.
1. IMPORTANT: Remove J1 & J2 Call Jumper on UC1 to avoid backfeeds or short circuits.
2. Connect T87 or Equivalent non-powered thermostat to A and B terminals on UC1.
3. Remove T T Jumper from R8184 or equivalent Primary Control.
4. Connect #3 on UC1 terminal block to T terminal of Primary Control.
5. Connect #4 on UC1 terminal block to remaining T terminal of Primary Control.
6. Make sure RED voltage jumper on UC1 is on DRY.
7. 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.
8. 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.
Alarm
A Violet
0.3 A, AC
OIL VALVE
R
A Blue
Orange F
F White
T Black
Red/White T
115 VAC
BURNER MOTOR
IGNITION TRANS
500 VA
10 FLA / 60 LRA
Line Voltage Thermostat
60 Hz
SUPPLY
J2
UNI
V
E
R
S
A
L
CO
NT
RO
LLE
R
XN
XL
J1
RED JUMPER POSITION MUST BE THE SAME
AS APPLIANCE INTERLOCK VOLTAGE.
IMPORTANT:
115V DRY 24V
D/N 9183046-3
115 VAC
LEGEND:
CALL
JUMPER
Limit
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 Orange on Carlin and connect burner motor terminal Orange of Carlin 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 Orange of Carlin.
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.
UC1 UNIVERSAL CONTROL CONNECTED WITH A CARLIN 40200, 42230, 48245, 50200, 60200
SERIES OR EQUIVALENT AND A LINE VOLTAGE THERMOSTAT OR AQUASTAT