Tjernlund HS3,4,5 Series with UC1 Universal Control (Version X.06) 8504111 Rev C 07/05 - Manual (Page 14)

11
UC1 UNIVERSAL CONTROL CONNECTED WITH AN AQUASTAT
XN
R
UN
IV
ER
SA
L CO
NT
RO
LL
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 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 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. Crimp Ground wire to grounding spade terminal in UC1.
Important: Installer must supply overload and disconnect protection.
6. If not completed, connect ground from UC1 whip to Venter ground in Fan Prover j-box. Connect Black & 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.
NOTE: If burner control goes out on lockout, the Venter will continue to run as long as a call for heat is present.
UC1 UNIVERSAL CONTROL CONNECTED WITH A SINGLE ZONE 24 VAC THERMOSTAT
XN
R
U
N
IVER
SAL C
O
N
T
R
O
LLER
THERMOSTAT
G G
INTERNAL CONTROL
OF FURNACE
W
C
Y
R
R
Y
AS APPLIANCE INTERLOCK VOLTAGE.
RED JUMPER POSITION MUST BE THE SAME
XL
J1
J2
W
DRY 115V 24V
IMPORTANT:
D/N 9183046-5
115 VAC
24 VAC
LEGEND:
CALL
JUMPER
50/60 Hz
SUPPLY
115 VAC
SPADE TERMINAL IN ELECTRICAL BOX.
GROUND
CRIMP GROUND WIRE TO GROUNDING
IMPORTANT:
1. Connect W from t-stat to #1 on terminal block of UC1.
2. Connect #2 on UC1 terminal block to C on internal control terminal strip of furnace/boiler.
3. Connect #4 on UC1 terminal block to W on internal control terminal strip of furnace/boiler.
4. Make sure RED voltage jumper on UC1 is on 24V.
5. 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.
6. If not completed, connect ground from UC1 whip to Venter ground in Fan Prover j-box. Connect Black & 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.
NOTE: If burner control goes out on lockout, the Venter will continue to run as long as a call for heat is present.
LINE VOLTAGE BURNER
RELAY OR GAS VALVE