Tjernlund XCOP1 Constant Operating Pressure Exhaust Control 8504175 (Discontinued) User Manual
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The XCOP1 must be installed by a qualified installer (an
individual properly licensed and/or trained) in accordance
with all local codes or, in their absence, in accordance with
the National Electrical Code.
All wiring from the XCOP1 to the RT-Series Fan junction box
must be appropriate Class 1 wiring as follows: installed in
rigid metal conduit, intermediate metal conduit, rigid non-
metallic conduit, electrical metallic tubing, Type MI Cable,
Type MC Cable, or be otherwise suitably protected from
physical damage.
COP CONTROL POWER CONNECTIONS
Connect 115 VAC supply voltage to L & N terminals and
Ground wire to ground on COP control terminal block.
Important: Installer must supply overload and disconnect
protection. COP Control power may be switched through a
building management system, pressure switch or other 115
VAC switch.
RT-SERIES MOTOR & COOLING FAN CONNECTIONS
NOTE: The maximum distance wire can be ran from the
RT-Series Rooftop Fan 4 x 4 Junction box to the XCOP1
control is 250 feet.
Cut Orange motor capacitor wire in RT-Series fan provided
4 x 4 Junction box and cap end with a wire nut that previ-
ously went to RT-Series Inducer motor.
Connect the Orange Motor Capacitor lead to the MOTOR
ORG location on COP terminal strip.
Connect Red and White/Red motor leads from RT-Series
Fan whip to MOTOR RED and WHT/RED location on COP
terminal strip.
Connect the Black & White Cooling Fan leads to COOL FAN
WHT and BLK location on COP terminal strip.
4 FT. WHIP
PRE-WIRED
N.O.
COM
ORG
RED
WHT
BLK
1303284
WHT/
GRN
RED
PROVER
MOTOR
COOL FAN
P2
T1
1
P1
T7
N
GR
N
L
WH
T/R
E
D
YEL
OR
G
BL
U
RE
D
WH
T
BL
K
T1
4
BLK
WHT
GRN
L
N
1303285
T14
T11
T7
T10
WHITE / RED
ORG
RED
GROUND
INCLUDED
N
L1
COP
POWER SUPPLY
115 VAC
MOTOR
CAPACITOR
G
R
O
UND
WH
ITE
BL
AC
K
RE
D
BROWN
WH
ITE
/ R
E
D
COOLING FAN
THERMOSTAT
INDUCER
MOTOR
THERMOSTAT
WH
T / R
ED
BL
AC
K
BR
OW
N
OR
AN
GE
BR
OW
N
RE
D
NUT
S
OR
AN
GE
BL
AC
K
RE
D
WH
T / R
ED
WH
ITE
WH
ITE
BLUE
BLUE
BLACK
INCLUDED 4 X 4 BOX
IMPELLER
WI
RE
BLACK
ORANGE
ORANGE
SIDE VIEW
CUTAWAY
RT SERIES
WHITE
BLK
T9
T6
WIRING CONNECTIONS BETWEEN XCOP1 AND ROOFTOP RT-SERIES FAN
POWER SUPPLY
MAY BE SWITCHED