Installation and Maintenance Manual

88 UNT-SVX07D-EN
Startup
Tracer ZN510 and ZN520 Unit Startup
Refer to the Trane publication, CNT-IOP-1 (ComfortLink 10
Controller: Installation, Operation and Programming
Guide) for Tracer ZN510 and CNT-SVX04A-EN for Tracer
ZN520. The factory pre-programs the Tracer ZN510 and
ZN520 with default values to control the temperature and
unit airflow. Use Tracer Summit building automation
system or Rover™ software to change the default values.
Follow the procedure below to operate the Tracer ZN510 or
ZN520 in a stand-alone operation:
1. Turn power on at the disconnect switch option.
2. Position the fan mode switch to either high, medium,
low, or the auto position.
3. Rotate the setpoint dial on th
e zone sensor module to
55°F for cooling or 85°F for heating.
The appropriate control valve will
actuate assuming the
following conditions:
1. Room temperature should be greater than 55°F and
less than 85°F.
2. For a 2-pipe fan-coil unit with an autom
atic changeover
sensor, the water temperature input is appropriate for
the demand placed on the unit. For example, cooling
operation is requested and cold water (5° lower than
room
temperature) flows into the unit.
3. Select the correct temperature setpoint.
Note: S
elect and enable zone sensor temperature
settings to prevent freeze damage to unit.
Tracer UC400 Unit Startup
Refer to the Trane publication, Installation, Operation, and
Programming Guide for Factory or Field-installed Blower
Coil and Fan Coil (BAS-SVX48A-EN, or the most recent
revision) for Tracer UC400 Fan Coil. The factory pre-
programs the Tracer UC400 Fan Coil with default values to
control the temperature and unit airflow. Use Tracer SC
building automation system or Tracer TU™ software to
change the default values.
Follow the procedure below to operate the Tracer UC400 in
a stand-alone operation:
1. Turn power on at the disconnect switch option.
2. Position the fan mode switc
h to either high, medium,
low, or the auto position.
3. Rotate the setpoint dial on th
e zone sensor module to
55°F for cooling or 85°F for heating.
The appropriate control valve will
actuate assuming the
following conditions:
1. Room temperature should be greater than 55°F and
less than 85°F.
2. For a 2-pipe fan-coil unit with an autom
atic changeover
sensor, the water temperature input is appropriate for
the demand placed on the unit. For example, cooling
operation is requested and cold water (5° lower than
room temperature) flows into the unit.
3. Select the correct temperature setpoint.
Note: Select and enable zone sensor temperature
settings to prevent freeze damage to unit.
General Information
Manual Fan Speed Switch
The manual fan mode switch is available with a four-
position switch (off-hi-med-lo) allows manual fan mode
selection and is available unit- or wall-mounted. See
Figure 35.
The fan speed switch can be used to provide simultaneous
fan speed customer requests in addition to external
controller fan speed request. The wall-mounted option is
low-voltage and has three 24-volt relays using a factory-
wired transformer and relays to control the fan motor.
Tracer ZN010 and ZN510
Tracer ZN010 is a stand-alone device that controls fan-coils
and cabinet heaters. Tracer ZN510 can be stand-alone or
use peer-to-peer communications.
The controller is easily accessible in the control end panel
for service. The control end panel is on the end of the unit
opposite the piping. See Figure 36.
Figure 35. Fan speed switch
Figure 36. Tracer ZN010 board
UNT-SVX07_-EN.book Page 88 Friday, April 27, 2012 9:40 AM