Carrier 38YXA - Installation Procedures - Part 2; Piping Connections

Accessories
ORDERING NO. DESCRIPTION
KAATD0101TDR Time-Delay Relay—All Sizes
KSALA0301410 Low-Ambient Pressure Switch—All Sizes
KAAFT0101AAA Evaporator Freeze Thermostat—All Sizes
KHAIR0101AAA Isolation Relay—All Sizes
KSAHS1501AAA Start Assist—Capacitor and Relay—Sizes 024–042
KSAHS1601AAA Start Assist—Capacitor and Relay—Size 048, 060
KAACS0201PTC Start Assist—PTC—All Sizes
KAACH1201AAA Crankcase Heater—Sizes 024–042
Standard Crankcase Heater—Sizes 048, 060
KHAOT0301FST Outdoor Thermostat—All Sizes
KHAOT0201SEC Secondary Outdoor Thermostat—All Sizes
KHASA0101AAA Service Alarm—All Sizes
KHAIC0101AAA Interface Control (Optimizer II®)—All Sizes
KSATX0201HSZ Bi-Flow TXV (Hard Shutoff)—Sizes 024, 030
KSATX0301HSZ Bi-Flow TXV (Hard Shutoff)—Sizes 036, 042
KSATX0401HSZ Bi-Flow TXV (Hard Shutoff)—Size 048
KSATX0501HSZ Bi-Flow TXV (Hard Shutoff)—Size 060
KH45LG140 (RCD) Bi-Flow Filter Drier (Suction Line)—Sizes 024–036
KH45LG141 (RCD) Bi-Flow Filter Drier (Suction Line)—Sizes 042–060
KHALS0401LLS Liquid-Line Solenoid Valve—All Sizes
KSASF0101AAA Support Feet—4 In. (4)—All Sizes
KHASS0206MPK Snow Stand—18 In.—All Sizes
THERMOSTAT/SUBBASE PKG DESCRIPTION
TSTATCCNHP01-A Thermostat—Auto Changeover, Non-Programmable, °F/°C, 2-Stage Heat, 1-Stage Cool
TSTATCCPHP01-A Thermostat—Auto Changeover, 7-Day Programmable, °F/°C, 2-Stage Heat, 1-Stage Cool
TSTATCCPDF01-A
Thermostat—Auto Changeover, 7-Day Programmable, °F/°C, Dual Fuel
Must be used with Outdoor Air Temperature Sensor (TSTATXXSEN01)
TSTATCCPRH01-A Thermidistat™ Control—Programmable Thermostat with Humidity Control
--HH--07AT-215 Thermostat—Manual Changeover, Non-Programmable, °F, 2-Stage Heat, 1-Stage Cool
TSTATXXSEN01 Outdoor Air Temperature Sensor
TSTATXXNBP01 Backplate for Non-Programmable Thermostat
TSTATXXPBP01 Backplate for Programmable Thermostat
TSTATXXCNV10 Thermostat Conversion Kit (4 to 5 Wire)—10 Pack
Accessory Usage Guideline
ACCESSORY
REQUIRED FOR LOW-AMBIENT
APPLICATIONS
(BELOW 55°F)
REQUIRED FOR LONG-LINE
APPLICATIONS*
(OVER 50 FT)
Crankcase Heater Yes Yes
Evaporator Freeze Thermostat Yes No
Compressor Start Assist—Capacitor and Relay Yes Yes
R-410A Low-Ambient Pressure Switch Yes No
Wind Baffle
See Low-Ambient
Pressure Switch Instructions
No
Support Feet Recommended No
R-410A Hard Shutoff TXV Yes† Yes†
R-410A Liquid-Line Solenoid Valve for Heating No
See Long-Line
Application Guideline
* For tubing line sets between 50 and 175 ft, refer to the Application Guideline and Service Manual for Residential Split-System Air Conditioners and Heat Pumps using
R-410A Refrigerant.
† Required for all applications.
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