Tjernlund DCOP1 Constant Operating Pressure Draft Control 8504174 (Discontinued) User Manual
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UC1 UNIVERSAL CONTROL CONNECTED WITH A SINGLE ZONE 24 VAC THERMOSTAT
115
V
DRY
W
J2
J1
XL
RED JUMPER POSITION MUST BE THE SAME
AS APPLIANCE INTERLOCK VOLTAGE.
Y
R
R
Y
C
W
OF FURNACE
INTERNAL CONTROL
G
G
THERMOSTAT
UNIVE
RS
AL CONTROLLER
R
XN
FIGURE 8050031 3-28-11
FACTORY WIRED TO
L AND N ON DCOP1
JUMPER
CALL
LEGEND:
24 VAC
115 VAC
IMPORTANT:
24
V
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.
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 BURNER INTERLOCK WIRING DIAGRAMS
UC1 UNIVERSAL CONTROL CONNECTED WITH A 24 VAC ELECTRONIC IGNITION MODULE
OR
WH
PV
YE
(8)
SPARK (9)
OR
UN
IVER
SAL
CO
NT
RO
L
L
E
R
FIGURE 8050030 3-28-11
R
LEGEND:
24 VAC
115 VAC
XN
XL
J1
IMPORTANT:
JUMPER
24V
CALL
J2
115V
DRY
FACTORY WIRED TO
L AND N ON DCOP1
RED JUMPER POSITION MUST BE THE SAME
AS APPLIANCE INTERLOCK VOLTAGE.
24V GND (5)
BNR GND (4)
HONEYWELL IGNITION
MV / PV (2)
CONTROL
MV (1)
OR
PV (3)
24V (6)
(7)
WH
YE
GR
YE
PI
GAS VALVE
PV
MV
MV
GR
1. Remove the wire on MV at gas valve and connect it on #1 on UC1 terminal block.
2. Connect #2 on UC1 terminal block to MV/PV.
3. Connect #4 on UC1 terminal block to MV on gas valve.
4. Make sure RED voltage jumper on UC1 is on 24V.