Honeywell T8570 - Manual
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Table of Contents:
- Page 3 – INSTALLATION; CAUTION; Electrical Shock or Equipment Damage Hazard.; Location
- Page 4 – Mounting; Fig. 2. Mounting the vertical junction box adapter plate; Removing the thermostat; Equipment Damage Hazard.; OPERATION; Control
- Page 5 – OPERATING MODES; OFF MODE
- Page 6 – Additional Switches; DISPLAY; Installer Setup Mode; PROGRAMMING PARAMETERS; PARAMETER VALUES
- Page 7 – WIRING
- Page 8 – changeover switch, continuous fan or cycled fan.
- Page 9 – Fan-Relay Control Center; changeover switch, continuous or cycled fan.
- Page 10 – Wiring Remote Sensor; Fig. 21. Wiring optional remote sensor for the T8575D
- Page 12 – Automation and Control Solutions
T6570, T8570 Series
Digital Fan-Coil Thermostats
PRODUCT DATA
APPLICATION
T6570 Series Digital Fan-Coil thermostats provide line voltage
on/off control for fans, valves, compressors or auxiliary
electric heaters in fan-coil and small air-conditioner
applications.
T8570 Series provides low voltage control of these functions.
Models are available for control of single stage air-conditioner
and various fan-coil units
– 2-pipe.
– 2-pipe with manual heat/cool changeover.
– 4-pipe with manual heat/cool changeover.
– 4-pipe with automatic heat/cool changeover.
All models are suitable for multiple applications. Changes in
output wiring and external links between wiring terminals can
configure the thermostat for the appropriate application.
The fan can also be controlled from the thermostat. In some
cases it is wired to run continuously and can be switched off
with the On/Off switch. Other models can be installed with fan
running continuously or cycling with the thermostat.
Compressors and auxiliary electric heaters can be controlled
using a relay or contactor controlled by the thermostat.
FEATURES
•
Simple user interface.
•
Attractive modern styling ideal for offices or hotels.
•
Digital display of ambient temperature, with user
activated temperature display.
•
Digital display shows mode icons when cooling or
heating relays operate, or when energy savings mode
is active.
•
Push button setpoint adjustment.
•
Switches allow manual control of system operation
and fan speed.
•
Energy savings mode - external energy savings input
from time switch, occupancy sensors or hotel cardkey
overrides comfort setpoint with setback heating or
cooling setpoint.
•
Energy savings input configurable, normally open or
normally closed.
•
Proportional plus integral (P+I) control algorithm for
precision temperature regulation.
•
Mounts directly onto wall or standard junction box or
vertical junction box with optional adapter plate.
•
Installer setup mode allows changes of operating
parameters.
•
Selectable °C or °F display.
•
Adjustable deadband (some models) for heat and cool
control.
•
Selectable energy savings setup cooling and setback
heating setpoints.
•
Adjustable maximum heating and minimum cooling
setpoint limits.
•
Adjustable minimum relay off-times (heating or
cooling) for compressor short-cycle protection.
•
EEPROM permanently retains user settings during
power loss (no batteries required).
•
Capability to display temperature sensor failure for
easier troubleshooting.
•
Optional remote sensor (T8575D only).
Contents
Application ......................................................................... 1
Features ............................................................................ 1
Specifications .................................................................... 2
Ordering Information ......................................................... 2
Installation ......................................................................... 3
Operation........................................................................... 4
Operating Modes ............................................................... 5
Wiring ................................................................................ 6
95C-10897-6
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Summary
T6570, T8570 SERIES DIGITAL FAN-COIL THERMOSTATS Table 2. Electrical Rating 50-60 Hz 24V 120V 208V 230V 277V Amps (Resistive) 3.8 3.8 3.8 3.8 3.8 Full Load Inductive 3.0 3.0 1 3.0 3.0 3.0 Pilot Duty 100 VA 1 Equivalent to NEMA 1/8 horsepower rating; allowable load must be determined by adding namepl...
40007507-001 T6570, T8570 SERIES DIGITAL FAN-COIL THERMOSTATS Mounting Any T6570, T8570 series thermostat can be mounted directly on the wall on a 65x65mm junction box, or a 2"x4" horizontal junction box. An optional adapter plate is available for mounting on a 4"x4" or vertical junc...
T6570, T8570 SERIES DIGITAL FAN-COIL THERMOSTATS SINGLE STAGE COOLING C 23.0 PROPORTIONAL 22.5 BAND 22.0 21.5 21.0 USER 20.5 SETPOINT 20.0 1 1 USER SETPOINT CHANGED TO 21.5 C (71 F) FROM SINGLE STAGE HEATING C 1 23 C (73 F) OR 20 C (68 F). 23.0 22.5 USER SETPOINT 22.0 21.5 21.0 PROPORTIONAL BAND 20....
