26SPA6: Installation Instructions
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
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InteliSense™ Technology
This unit is InteliSense™ capable when used with an Ecobee for Carrier
smart thermostat with InteliSense™ technology.
InteliSense™ technology allows for the collection of performance data
to be sent to the cloud. Utilizing Carrier’s digital tools, dealers can gather
system settings and equipment data, with homeowner opt-in, to provide
quicker and more efficient service. The unit comes with the following
sensors installed on the control board (see Fig. 8):
• Liquid Service Valve Pressure (LSVP)
• Liquid Service Valve Temperature (LSVT)
• Outside Air Temperature (OAT)
• Vapor Service Valve Pressure (VSVP)
• Vapor Service Valve Temperature (VSVT)
The amber LED is illuminated solid when there is power to the product.
The green LED is illuminated solid when there is communication
between the control board and the InteliSense™-enabled thermostat.
HK32EA013
Fig. 8 – InteliSense™ Control Board
For more information, refer to the thermostat advanced installation and
configuration instructions found at:
Carrier.HVACPartners.com/InteliSense or, by scanning this QR Code:
NOTE: A new thermostat will show up in connected portal 24 hours
after field installation so field gauges are needed for install.
NOTE: The outdoor temperature sensor does not show up on this new
thermostat display so it should not be used for troubleshooting or
charging.
Final Wiring Check
IMPORTANT: Check factory wiring and field wire connections to
ensure terminations are secured properly. Check wire routing to ensure
wires are not in contact with tubing, sheet metal, etc.
Compressor Crankcase Heater
When equipped with a crankcase heater, furnish power to heater a
minimum of 24 hr before starting unit. To furnish power to heater only,
set thermostat to OFF and close electrical disconnect to outdoor unit.
A crankcase heater is required if refrigerant tubing is longer than 80 ft.
(24 m) or when outdoor unit is 35 ft. (11 m) below indoor unit. Refer to
the Residential Piping and Long Line Guideline and Service Manual.
Install Electrical Accessories
Refer to the individual instructions packaged with kits or accessories
when installing.
Start-Up
WARNING
!
PERSONAL INJURY AND/OR PROPERTY DAMAGE
HAZARD
Failure to follow this warning could result in personal injury and/or
property damage.
For continued performance, reliability, and safety, the only approved
accessories and replacement parts are those specified by the equipment
manufacturer. The use of non-manufacturer approved parts and
accessories could invalidate the equipment limited warranty and result
in fire risk, equipment malfunction, and failure.
Please review manufacturer's instructions and replacement part catalogs
available from your equipment supplier.
CAUTION
!
ENVIRONMENTAL HAZARD
Failure to follow this caution may result in environmental damage.
Federal regulations require that you do not vent refrigerant to the
atmosphere. Recover during system repair or final unit disposal.
CAUTION
!
UNIT OPERATION AND SAFETY HAZARD
Failure to follow this caution may result in personal injury, equipment
damage or improper operation.
• Do not overcharge system with refrigerant.
• Do not operate unit in a vacuum or at negative pressure.
• Compressor dome temperatures may be hot.
CAUTION
!
PERSONAL INJURY HAZARD
Failure to follow this caution may result in personal injury.
Wear safety glasses, protective clothing, and gloves when handling
refrigerant and observe the following:
• Front seating service valves are equipped with Schrader valves.
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