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SPECIFICATION DATA
63-1322-02
Zio
®
/Zio Plus LCD Wall Modules
TR70, TR71, TR75 WITH Sylk
®
Bus
GENERAL
The TR70 Series Zio (TR70/TR70-H, TR71/TR71-H) and Zio
Plus (TR75/TR75-H) are 2-wire, non-polarity sensitive, Sylk
bus communicating wall modules for use with Spyder
®
and
ComfortPoint™ programmable controllers.
All models have a space-temperature sensor, network bus
jack, and an LCD panel with three softkeys and two Up/Down
adjustment keys. The TR7-H, TR71-H and TR75-H models
include an onboard humidity sensor.
NOTE: Refer to the Zio/Zio Plus LCD Wall Modules Oper-
ating Guide (form 63-2719) for information about
customizing the wall module configuration in the
WEBs-AX Workbench, such as modifying the
default Home screens or creating your own appli-
cation.
FEATURES
The TR70 Series wall modules include:
• Ability to control tenant access to controller
parameters via password protection.
• Ability to assign labels for enumerated values.
• Customized parameter access, by using the Honeywell
WEBs-AX Workbench tool.
• Ability to link setpoint limits to a network variable.
• Programmable for: Home screen options, tenant
access, contractor access, optional password
protection to contractor mode, access to controller
parameters, setpoint, override, fan, and other
parameters.
• Ability to access and adjust most parameters in the
programmable controller.
• TR75 can access and adjust the controller schedule.
• Ability to balance the VAV system from the wall
module.
• Home screen can display one to three of any of the
following parameters: Temperature Setpoint, Room
Temperature, Room Humidity, Outdoor Humidity,
Outdoor Temperature, and Time, or one of virtually any
parameter in the controller.
•Network bus jack.
• Simple 2-wire terminal connection to the
programmable controller (includes power) and an
optional 2-wire terminal connection for the network. All
connections are polarity insensitive.
• Permanent retention of user configuration, including
setpoints after a power outage.
* Support for up to four TR71 and/or TR75s per Spyder, and if
a TR70 is present, a maximum of three Zios (any combina-
tion of models) are allowed.
Table 1. TR70 Series Features.
Features
Zio
TR70
Zio
TR71
Zio Plus
TR75
Scheduling x
Parameter Memory (bytes) 1K 2K 4.9K
Up to four Zios on Sylk x* x x
Enumerated Values x x
Setpoint Limits as NVs – linking
now possible
xx
System and Fan command as NVs x x
Password protection x x
Firmware version/model visible on
display
xx
0.5 and 5 value increments x x
"-" and "/" characters in parameter
names
xx