C24VDRY3
AMBER
LED7
D115VD24VDRY4
K2
INTERLOCK
RELAY
K3
K1
DRY2
RELAY
BLUE
APPLIANCE 2
LED3
AMBER
LED4
B115V B24V
N
G
G
R
E
E
CONDUIT
24" FLEX
AI
E
T
K
C
W
H
B
L
post-purge settings + safety circuit connections are in the Universal Control.
This device must be connected to a Tjernlund Universal Control. All pre &
Remove power to Universal Control and all connected appliances when
installing or servicing the MAC4E. Failure to do so may result in personal
WARNING:
NOTE:
UNIVERSAL CONTROL
BLUE
LED2
PRE-PURGE SETTINGS
OPEN PROVER OPTION
POST-PURGE SETTINGS
VENTER / INDUCER
1 H.P. MAX @ 115 VAC
MOTOR
N
G
E
E
R
TJERNLUND
INC.
PRODUCTS,
MTR
W
MN
LH
TC
EK
IA
B
K2
APPROVED
50/60 Hz
115 VAC
SUPPLY
R
DO NOT SUPPLY VOLTAGE
TO "A" OR "B".
GREEN
RED
RED
CALL
JUMPER
INTERLOCK
XN
XL
NO
J1
J2
COM
K1
RELAY
DRY
115V
24V
LED5 LED3LED4
Y
R
P/N 1303963B
D
E
AMBER
P2
(9)
(3 - 8)
F
8967
GND
(1 - 2)
14532
C
ON
P1
L
O
G
R
A
E
T
I
V
PROVER
LED1
Burner circuit is energized with contact closure from terminal 3 to terminal 4.
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)
LED #1 (Amber)
AS APPLIANCE INTERLOCK VOLTAGE.
RED JUMPER POSITION MUST BE THE SAME
IMPORTANT:
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
USER-PROVIDED
CALL SWITCH
"DRY"
OR
COMMON /
LINE / HOT
NEUTRAL
INTER-
HEAT
CALL FOR
CEPTED
properly positioned.
selection jumper
Each appliance
Universal Control.
interlocked with the
to each A - B, 1 - 4
its red voltage
MAC4E must have
terminal strip are
Appliance interlocks
the same as on the
MAC4E
injury and/or equipment damage. LED #9 (RED) on the MAC4E should
APPLIANCE 1
INTERLOCK
MAC4E CONTROL
not be on if power has been removed.
RELAY
INTERLOCK
APPLIANCE 3
BLUE
LED5
AMBER
LED6
C115V
OPTIONAL DAISY CHAIN CONNECTIONS
INTERLOCK
RELAY
R
R
APPLIANCE 4
BLUE
LED8
F
R
C2
CGND
Y
A
O
L
E
T
V
E
I
D
GREEN
VIOLET
F2 GNDNL
BLK
TO ADDITIONAL MAC4E
K4
POWER
LED9 - RED
DRY1
GRY
RED
BLUE
LED2
A115V A24V
L
N
AMBER
LED1
WHT
CONNECTIONS FROM MAC4E TO UC1 UNIVERSAL CONTROL
1. Connect Black from MAC4E whip to XL on UC1.
2. Connect White from MAC4E whip to XN on UC1.
3. Connect Green from MAC4E whip to ground screw in UC1.
4. Connect Gray from MAC4E whip to GND on UC1.
5. Connect Red from MAC4E whip to F on UC1.
6. Connect Violet from MAC4E whip to C on UC1.
DAISY CHAIN CONNECTIONS FOR MULTIPLE MAC4E’S CONNECTED TOGETHER
IMPORTANT: VENTING MULTIPLE HEATERS WITH A SINGLE FIXED SPEED VENTER /
INDUCER MAY REQUIRE TJERNLUND ABD-SERIES BALANCING BAFFLES. FOR INSTAL-
LATIONS REQUIRING MORE THAN ONE MAC4E INTERLOCK, WE RECOMMEND THAT
OUR TECH SERVICE DEPT. BE CONTACTED AT 1-800-255-4208.
1. Connect White from second MAC4E whip to N on MAC4E connected to UC1.
2. Connect Black from second MAC4E whip to L on MAC4E connected to UC1.
3. Connect Green from second MAC4E whip to ground screw in MAC4E connected to UC1.
4. Connect Red from second MAC4E whip to F2 on MAC4E connected to UC1.
5. Connect Gray from second MAC4E whip to GND on MAC4E connected to UC1.
6. Connect Violet from second MAC4E whip to C2 on MAC4E connected to UC1.
TO 2ND MAC4E WHIP
MAC4E WIRING CONNECTIONS WITH UC1 UNIVERSAL CONTROL
Remove power to UC1 and heating equipment when making connections from the MAC4E 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 MAC4E 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 MAC4E and UC1 Universal Control appliance interlock steps and diagrams are identical.
IMPORTANT: Venter Fan Prover must be wired to P1 & P2 safety circuit in UC1. Do not
supply power to P1 & P2 or damage will result. The MAC4E contains four appliance
interlock blocks which are identical. Each appliance interlocked with the MAC4E and UC1 must have the Red voltage jumper on the proper 115V, 24V or DRY position based
on appliance interlock voltage.
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