Carrier Thermidistat- User Manual
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Table of Contents:
- Page 3 – Step 4—Set Thermidistat Control Configuration
- Page 5 – Table 1—W1 / W2 Outputs; SELECTION; Neither W1 or W2 is turned on.
- Page 6 – Step 5—System Start-Up and Checkout; Table 2—Equipment Outputs
- Page 7 – Table 4—Humidification Selections
- Page 8 – Table 5—Dehumidification Selections
- Page 9 – OPERATIONAL INFORMATION; Fig. 6—Wiring Diagram Reference Chart
- Page 12 – -Speed Air Conditioner
- Page 16 – WIRING DIAGRAM NOTES; Thermidistat Control Troubleshooting
Thermidistat™ Control
Installation, Start-Up, and Operating Instructions
NOTE:
Read the entire instruction manual before starting the
installation.
INDEX
Page
SAFETY CONSIDERATIONS .....................................................1
INTRODUCTION ..........................................................................1
INSTALLATION CONSIDERATIONS .......................................1
INSTALLATION ........................................................................1-7
Thermidistat Control Location ..............................................1-2
Set DIP Switches ......................................................................2
Install Thermidistat Control ..................................................2-3
Set Thermidistat Control Configuration ...............................3-6
System Start-Up and Checkout .............................................6-7
Final Settings ............................................................................7
HUMIDITY CONTROL FEATURES .......................................7-9
Humidification ..........................................................................7
Dehumidifcation ....................................................................7-9
Vacation ....................................................................................9
OPERATIONAL INFORMATION..........................................9-16
WIRING DIAGRAMS ...........................................................10-16
THERMIDISTAT CONTROL TROUBLESHOOTING ............16
SAFETY CONSIDERATIONS
Read and follow manufacturer instructions carefully. Follow all
local electrical codes during installation. All wiring must conform
to local and national electrical codes. Improper wiring or installa-
tion may damage Thermidistat Control.
Recognize safety information. This is the safety-alert symbol
.
When you see this symbol on the equipment and in the instruction
manual, be alert to the potential for personal injury.
Understand the signal words DANGER, WARNING, and CAU-
TION. These words are used with the safety-alert symbol. DAN-
GER identifies the most serious hazards which will result in severe
personal injury or death. WARNING signifies a hazard which
could result in personal injury or death. CAUTION is used to
identify unsafe practices which would result in minor personal
injury or product and property damage.
INTRODUCTION
Carrier’s 7-day programmable Thermidistat Control is a wall-
mounted, low-voltage control which combines temperature and
humidity control in a single attractive unit. An extension of
Carrier’s proven line of programmable thermostats, it provides
separate setpoints for heating and cooling, and now adds humidi-
fication and dehumidification. Different heating and cooling set-
points and times are programmable for 4 periods per day and 7
days per week. Humidify and dehumidify outputs provide direct
control of humidity. Batteries are not used. During power loss an
internal memory stores programs and settings for unlimited time,
and the clock continues to run for at least 8 hr.
INSTALLATION CONSIDERATIONS
POWER
Note that this control does not require batteries and is not "power
stealing." It does require 24vac (R and C terminals) of the
low-voltage transformer to be connected to it for proper operation.
It will not operate without these 2 connections.
MODELS
There is only a single programmable model for all applications. It
can be configured for AC or HP, 1- or 2-speed compressor, and for
dual fuel installations, allowing it to be used in place of all Carrier
thermostats.
HUMIDIFY EQUIPMENT AND CONNECTIONS
The humidify output connects directly to 24vac operated humidi-
fiers. No other connection or interlock is required. Any of several
installer-selectable operating modes are available.
DEHUMIDIFY EQUIPMENT AND CONNECTIONS
The dehumidify output connects to the dehumidify input on
variable-speed furnaces and fan coils. Additional dehumidification
is done by controlling the compressor. A variety of operating
modes are available.
OUTDOOR TEMPERATURE SENSOR
Optimum performance is obtained when an outdoor temperature
sensor is used with the Thermidistat Control. Plan installation so
that 2 wires can be run from Thermidistat Control to an outdoor
location, preferably on the north side of the house.
INSTALLATION
Step 1—Thermidistat Control Location
Thermidistat Control should be mounted:
•
Approximately 5 ft (1.5m) from floor.
Fig. 1—Carrier Programmable
Thermidistat Control
HEIGHT (IN.)
WIDTH (IN.)
DEPTH (IN.)
4-1/4
7-1/2
1-3/8
A94134
®
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Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Book 1
4
Tab
misc. misc.
PC 101
Catalog No. 92-33TS-TA51C
Printed in U.S.A.
Form TSTAT-13SI
Pg 1
7-97
Replaces: New
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Summary
6. d2—for 2-speed dual fuel 7. HS—for special 3-stage auxiliary heat with FK4C Fan Coil and 1-speed heat pump When this identifier disappears, normal operation begins. TheMODE control should be set to OFF and FAN control to AUTO,so equipment does not start until further configuration and check-out i...
prevents direct transition from heat pump to furnace operation.When system is dual fuel (heat pump and furnace), set to ON.When system contains fan coil, set to OF. Factory default is OF(off). TO SELECT: 1. Enter configuration mode if not already there. See Step 4 "To Enter Configuration Mode.&#...
3. Use up or down buttons to move between -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, or 5 on large display. Factory default is 0. 4. Press SET TIME/TEMP button again to flash upper small display for selection of another option, or press END to exitconfiguration mode. Option 14—Heat/Cool Dead Band Adjustment...
