Trane Tracer TD7 User Guide

RLC-
S
VU006A-E
4
9
R
elay Assignments Using
Tracer™ TU
Tracer™ TU Service Tool is used to install the
Programmable Relay Option package and assign any
o
f
the above list o
f
events or status to each o
f
the
f
our
relays provided with the option. (See “Tracer™ TU,”
for more information on the Tracer TU service tool.
)
The relays to be programmed are referred to by the
relay’s terminal numbers on the LLID board 1A10
.
The de
f
ault assignments
f
or the
f
our available relays o
f
the
P
rogramma
b
le
R
elay option are:
Table 7. Default assignments
R
ela
y
R
ela
y
0Terminals J2-1,2,3:
H
ead
p
ress.
R
ela
y
1Terminals J2-4,5,6:
L
imit m
od
e
R
ela
y
2Terminals J2 - 7,8,9:
A
l
a
r
m
R
ela
y
3Terminals J2 -10,11,12: CMP Runnin
g
Rela
y
If any of the Alarm/Status relays are used,
p
rovide
electrical power, 115 VAC with
f
used-disconnect to the
panel and wire through the appropriate relays
(
terminals
on 1A10
)
. Provide wirin
g
(
switched hot, neutral, and
g
round connections) to the remote annunciation devices.
Do not use
p
ower from the chiller’s control
p
anel
trans
f
ormer to power these remote devices. Re
f
er to the
fi eld diagrams which are shipped with the unit
.
L
ow Voltage Wirin
g
The remote devices described below require low voltage
w
iring. All wiring to and from these remote input devices
to the Control Panel must be made with shielded, twisted
p
air conductors.
B
e sure to ground the shielding only at
the panel.
Important:
To prevent control malfunctions, do not run
:
low voltage wiring (<30 V) in conduit wit
h
c
onductors carryin
g
more than 30 volts.
E
mergency
S
to
p
U
C800 provides auxiliary control
f
or a customer
s
peci
fi
ed/installed latching trip out. When this customer-
f
urnished remote contact 5K22 is
p
rovided, the chiller
w
ill run normally when the contact is closed.
W
hen the
contact o
p
ens, the unit will tri
p
on a manually resetta
b
le
d
ia
g
nostic.
T
his condition requires manual reset at the
chiller switch on the
f
ront o
f
the control
p
anel
.
Connect low volta
g
e leads to terminal strip locations
1A12. Refer to the fi eld dia
g
rams that are shipped with
t
h
e unit.
S
ilver or gold-plated contacts are recommended. These
customer-furnished contacts must be compatible with 24
V
DC
,
12 mA resistive load.
E
xternal Auto/
S
to
p
I
f the unit requires the external Auto/
S
top function, the
i
nstaller must provide leads
f
rom the remote contacts
5K21 to the
p
ro
p
er terminals of the LLID 1A12 on the
contro
l
pane
l
.
T
he chiller will run normally when the contacts are
closed. When either contact opens, the compressor(s), if
operatin
g
, will
g
o to the RUN:UNLOAD operatin
g
mode
a
nd cycle o
ff
. Unit operation will be inhibited. Closure
o
f
the contacts will permit the unit to return to normal
operation.
F
ield-supplied contacts
f
or all low volta
g
e connections
must be compatible with dry circuit 24 VDC for a 12
mA resistive load. Refer to the fi eld diagrams that are
sh
ippe
d
wit
h
t
h
e unit.
I
nstallation El
e
ctrical

Trane Tracer TD7 Specifications

General

Brand	Trane
Model	Tracer TD7
Category	Controller
Language	English