Honeywell TR24 - Manual
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Table of Contents:
- Page 2 – Communications; BEFORE INSTALLATION; CAUTION; Erratic System Operation Hazard.; IMPORTANT; INSTALLATION; Fig. 3. Mounting on Standard Utility Conduit Box or
- Page 3 – and Temperature Limit Set Screw Locations (TR23; Cover Disassembly; Improper Electrical Contact Hazard.; Wiring Wall Modules; not; Attaching the Cover
- Page 4 – Wiring and DIP switch settings:; Table 1. DIP Switch Settings and Terminal Connections.; No fan switching from sensor; default; Fan switching from sensor.
- Page 5 – TR22 and TR23 Setpoint Adjustment; When Used With Excel 10 Controllers:
- Page 6 – Table 7. Program Settings for Wall Modules with
- Page 8 – Automation and Control Solutions
INSTALLATION INSTRUCTIONS
62-0267-09
TR21, TR22, TR23, and TR24 Wall
Modules
FEATURES
The TR21, TR22, TR23, and TR24 family of wall modules
include:
• Models with setpoint adjustment.
• Models with humidity output.
• Models with occupied/unoccupied override (bypass)
with LED.
• Models with 3-position (auto/0/1) or 5-position
(auto/0/1/2/3 speed) fan switch.
• L
ON
W
ORKS
®
bus jack on all models except the TR21
and TR21-A models.
• Locking cover on all models.
• Operating range 45° to 99° F (7° to 37° C).
• Models (TR22 and TR23) with user-selectable
temperature setpoint dials in Fahrenheit, Celsius, and
Relative (- to +).
PRODUCT DESCRIPTION
The TR21, TR22, TR23, and TR24 are a family of direct-wired
wall modules for use with:
— Spyder Unitary Controllers: PUL, PVL
— Excel 10 W7750, W7751
a
, W7752, and W7753
controllers
— Honeywell Excel 800, 600, 500, 100, and 80 (all fully
programmable) controllers
— W7761 Controller
— ComfortPoint LON Controllers: CP-UL, CP-VL
All models have a space temperature sensor. Some models
have a temperature dial, setpoint adjustment, L
ON
W
ORKS
bus
jack, override (bypass) with LED, and fan switch.
NOTE: Refer to the
TR21, TR22, TR23, and TR24 Wall
Modules – Specification Data
, form 63-1321, for
specific model features and additional information.
SPECIFICATIONS
Models:
For specific model information, see
TR21, TR22,
TR23, and TR24 Wall Modules – Specification Data
,
form 63-1321.
Environmental Ratings:
• Operating Temperature: 45° to 99° F (7° to 37° C).
• Shipping Temperature: -40° to 150° F (-40° to 65.5° C).
Accessories:
50007298-001 (pack of 12) medium, cover
plate; 6-7/8 x 5 in. (175 x 127 mm).
Approvals:
CE; UL94 plastic enclosure; FCC Part 15, Class B
Temperature Sensor
TR21, TR22, TR23, and TR24 20K Ohm Nonlinearized
Sensor:
All models are furnished with a 20K Ohm nonlinear NTC
temperature sensor that follows a specific temperature
resistance curve. See Fig. 1 on page 2.
NOTE: The TR21-A wall module model has two (2) 20K
Ohm nonlinear NTC temperature sensors in parallel,
which provide 10K NTC temperature sensing
necessary for averaging.
a
The TR21, TR22, TR23, and TR24 wall modules are not
compatible with W7751A,C,E,G Controllers.
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Summary
TR21, TR22, TR23, AND TR24 WALL MODULES 62-0267—09 2 Fig. 1. Temperature vs. Resistance for Nonlinear Sensor. Communications All wall modules (except the TR21 and TR21-A models) have a L ON M ARK® bus communications port. If needed, the jack plug must be removed in the field, and terminals 3 and 4 w...
TR21, TR22, TR23, AND TR24 WALL MODULES 3 62-0267—09 Fig. 4. Wall Module Subbase Dimensions in Inches (mm) and Temperature Limit Set Screw Locations (TR23 Shown). Cover Disassembly A snap-fit locking mechanism is used to attach the cover of the wall module to its subbase. To disassemble the cover fr...
TR21, TR22, TR23, AND TR24 WALL MODULES 62-0267—09 4 Wiring and DIP switch settings: See Table 1 to determine DIP switch positions and terminal usage for each controller. Table 1. DIP Switch Settings and Terminal Connections. Controller Model(s) TR23-TR24 DIP Switch Settings TR22-TR24 Terminal Conne...
