MAC-3 WIRED WITH A TJERNLUND HST, GPAK-T SERIES POWER VENTER OR DRAFT INDUCER
WITH A 950-1067 POST-PURGE TIMER/RELAY (VENTER MOTOR LESS THAN 4.4 AMPS)
OUTPUT POWER VENTER, DRAFT INDUCER, IN-FORCER & DAMPER WIRING WITH THE MAC-3
When wiring the MAC-3 with a Tjernlund Power Venter without a post-purge Timer/Relay only the Fan Proving Switch and motor
leads are utilized for wiring. If you are wiring with a post purge Timer/Relay see wiring on bottom of page 2. Our HSUL Series,
GPAK-J/1 Series and Commercial HS-3,4,5 Series utilize our part # 950-1040 relays which can be plugged into the MAC-3 for 24V
control systems. The HSUL-Series, GPAK-J/1 Series and model HS-5 include one part # 950-1040 relay. The models HS-3 and
HS-4 include two part # 950-1040 relays.
NOTE: The WHITE/BROWN wire from terminal 5 of the Timer/Relay is
ORANGE in the GPAK-T Series. The ORANGE wire from terminal 4 of
the Timer/Relay is BLUE in the GPAK-T Series.
MAC-3 WIRED WITH A TJERNLUND POWER VENTER, DRAFT INDUCER, IN-FORCER OR 115V DAMPER
WITHOUT A POST-PURGE (VENTER MOTOR LESS THAN 9 AMPS)
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