Specification Sheet

GUIDE SPECIFICATION
68-3105-01
RedLINK™ VisionPRO
®
Programmable
Commercial Thermostat
FOR MULTISTAGE CONVENTIONAL
AND HEAT PUMP SYSTEMS
OVERVIEW
RedLINK VisionPRO is a 7 day programmable thermostat with auto changeover that is designed for single stage and multistage
control of conventional and heat pump equipment such as rooftop units and split systems. RedLINK VisionPRO can be used with
or without an equipment interface module. The thermostat and equipment interface Module communicate using Honeywell's
proprietary RedLINK wireless technology. The thermostat controls up to 3 heat / 4 cool conventional systems and up to 4 heat / 2
cool heat pump systems. The thermostat controls humidification, dehumidification, ventilation, an economizer and a lighting
panel. Universal sensor inputs are used with remote indoor air temperature sensor(s), an outdoor air temperature sensor, a
discharge air temperature sensor, a return air temperature sensor, an occupancy sensor for remote setback and dry contact
devices for displaying alerts.
The thermostat is equipped with a touchscreen display with a 2 line message center.
Provides a microSD card port to upload Dealer Information, Custom Reminders, Custom Event Schedules, Holiday Schedule
and Software Updates and to download Data Logs.
Provides remote access to the thermostat when used with the RedLINK internet gateway.
Provides control using optional remote temperature and humidity sensors.
Thermostat integrates with the Niagara-AX framework.
QUALITY ASSURANCE
The thermostat shall be manufactured within a certified ISO-9001 facility and is FCC Compliant with part 15 of the FCC rules.
SEQUENCE OF OPERATION
The heating and cooling setpoints shall be individually adjustable in the program schedule. The thermostat shall have a minimum
deadband of 2 F (no mechanical heating or cooling shall operate within this deadband). Space temperature deviation above the
cooling setpoint or below the heating setpoint shall generate a demand signal to control the system as follows:
Heating
The thermostat shall control the heating output based on the demand signal communicated from the thermostat program, taking
into account both space temperature deviation (proportional gain) and the duration of that temperature deviation (integral gain).
The thermostat shall energize heating equipment when space temperature falls below the heating setpoint.
The thermostat shall have a compressor outdoor lockout and backup heat outdoor lockout to turn off the heat pump or backup
heat based on outdoor temperature. When the backup heat droop is set to Comfort, the control algorithm will use backup heat as
needed to maintain the setpoint within +/- 1 F. When the backup heat droop is set to 2 F or higher and the backup heat upstage
timer is turned on, the indoor temperature must drop to the backup heat droop setting or the backup heat upstage timer must
expire before turning on the backup heat.