
MAC1E WIRING CONNECTIONS WITH UC1 UNIVERSAL CONTROL
Remove power to UC1 and heating equipment when making connections from the MAC1E to the UC1 or installing, servicing or changing dip switch settings in the UC1. Failure to do so may result in
personal injury and/or equipment damage. The Power LED (RED) on UC1 or any LED’s on UC1 or MAC1E should not be on.
See UC1 Universal Control wiring section of Venter or UC1 instructions for 24 VAC, 115 VAC or Millivolt (Dry Contact) appliance interlock diagrams. The MAC1E and UC1 Universal
Control appliance interlock steps and diagrams are identical.
MAC1E SAFETY INTERLOCK TEST
L
O
G
R
A
E
T
I
V
PROVER
LED1
LED
POWER
RED
24 OR 115 VAC
APPROVED CALL BACK TO HEATER
INTERCEPTED CALL COMMON OR NEUTRAL
24 OR 115 VAC INTERCEPTED CALL FOR HEAT
5 VDC BOARD-GENERATED POWER
DO NOT SUPPLY POWER!
115 VAC
LEGEND:
TERMINAL 2:
TERMINAL 1:
TERMINAL 4:
LED6
VENTER / INDUCER
1 H.P. MAX @ 115 VAC
MOTOR
50/60 Hz
115 VAC
SUPPLY
CEPTED
CALL FOR
HEAT
INTER-
NEUTRAL
LINE / HOT
COMMON /
OR
"DRY"
CALL SWITCH
USER-PROVIDED
APPROVED APPROVED
USER-PROVIDED
CALL SWITCH
"DRY"
OR
COMMON /
LINE / HOT
NEUTRAL
INTER-
HEAT
CALL FOR
CEPTED
MN
LH
TC
EK
IA
B
K2
R
DO NOT SUPPLY VOLTAGE
TO "A" OR "B".
GREEN
RED
RED
CALL
JUMPER
INTERLOCK
XN
XL
NO
J1
J2
COM
K1
RELAY
DRY
IMPORTANT:
115V
24V
LED5 LED3LED4
Y
R
P/N 1303962A
D
E
AMBER
P2
(9)
(3 - 8)
F
8
9
67
GND
(1 - 2)
1
4532
C
ON
P1
Burner circuit is energized with contact closure from terminal 3 to terminal 4.
24" FLEX
CONDUIT
MAC1E
Safety circuit through Universal Control P1 & P2 Fan Prover is verified "Open" upon start up.
Appliance call for heat.
LED STATUS INDICATOR LIGHTS
LED #2 (Blue)
installing or servicing the MAC1E. Failure to do so may result in personal
injury and/or equipment damage.
TJERNLUND
PRODUCTS,
INC.
H
T
E
I
W
R
XN
XL
J1
J2
TO "A" OR "B".
DO NOT SUPPLY VOLTAGE
115V
R
Y
MAC1E CONTROL
L
C
K
A
B
D
E
N
G
E
E
R
RED JUMPER POSITION MUST BE THE SAME
AMBER
BLUE
CALL
INTERLOCK
RELAY
NO
K1
JUMPER
COM
APPLIANCE "GO"
APPLIANCE CALL
AS APPLIANCE INTERLOCK VOLTAGE.
24V
DRY
IMPORTANT:
LED1LED2
FGND
G
R
A
C
L
O
E
T
I
V
post-purge settings + safety circuit connections are in the Universal Control.
This device must be connected to a Tjernlund Universal Control. All pre and
Remove power to Universal Control and all connected appliances when
NOTE:
WARNING:
LED #1 (Amber)
BLUE
LED2
UNIVERSAL CONTROL
PRE-PURGE SETTINGS
OPEN PROVER OPTION
POST-PURGE SETTINGS
AS APPLIANCE INTERLOCK VOLTAGE.
RED JUMPER POSITION MUST BE THE SAME
N
G
E
E
R
TJERNLUND
INC.
PRODUCTS,
MTR
W
LED
POWER
RED
LED6
Connect Black from MAC1E whip to XL on UC1.
Connect White from MAC1E whip to XN on UC1.
Connect Violet from MAC1E whip to C on UC1
Connect Gray from MAC1E whip to GND on UC1.
Connect Red from MAC1E whip to F on UC1.
Connect Green from MAC1E whip to ground in UC1.
IMPORTANT: Venter Fan Prover must be wired to
P1 and P2 safety circuit in UC1.
RED appliance interlock voltage jumper in MAC1E
and UC1 must be positioned based on the control
voltage of the appliance interlocked with each control
115V, 24V or DRY.
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