Carrier 38AYC- Manuals

Page 2 - Fig. 2—Connecting Tubing Installation

INSPECT EQUIPMENT File claim with shipping company prior to installation if shipmentis damaged or incomplete. Locate unit rating plate on unit servicepanel. It contains information needed to properly install unit.Check rating plate to be sure unit matches job specifications. Step 2—Install on a Soli...

Page 3 - Table 2—Accessory Usage; FEEDER TUBE

Step 7—Check Defrost Thermostat Check defrost thermostat to ensure it is properly located andsecurely attached. There is a liquid header with a brass distributorand feeder tube going into outdoor coil. At the end of 1 of thefeeder tubes, there is a 3/8-in. OD stub tube approximately 2 in.long. (See ...

Page 4 - Step 9—Make Electrical Connections; Fig. 5—Liquid Service Valve

For buried-line applications greater than 36 in., refer to Table 2and Residential Split System Buried-Line Application Guideline. If refrigerant tubes or indoor coil are exposed to atmosphere, theymust be evacuated to 500 microns to eliminate contamination andmoisture in the system. OUTDOOR UNIT CON...

Page 6 - Thermostat, 1 Outdoor Thermostat, or 2 Outdoor Thermostats

Fig. 7—Typical 24-v Circuit Connections using Carrier Model HP Thermostat with Fan Coils and No Outdoor Thermostat, 1 Outdoor Thermostat, or 2 Outdoor Thermostats A97536 24 VAC HOT R G W/W1 Y/Y2 O/W2 R W3 W2 RVS COOLING C B S1 S2 W2 CARRIER PROGRAMMABLE THERMOSTAT MODEL HP TWO OUTDOOR THERMOSTATS FA...

Page 8 - Fan Coil and Smart Staging

Fig. 9—Typical 24-v Circuit Connections using Carrier Model HP Thermostat with Smart Heat and No OutdoorThermostat, 1 Outdoor Thermostat, or Supplemental Heat Relay and Carrier Model 2S Thermostat with FK4C Fan Coil and Smart Staging A97543 24 VAC HOT R G W/W1 Y/Y2 O/W2 RVS COOLING C B S1 S2 SUPPLEM...

Page 9 - Thermostat, 1 Outdoor Thermostat, or Supplemental Heat Relay

Fig. 10—Typical 24-v Circuit Connections using Other HP Thermostats with Smart Heat and No Outdoor Thermostat, 1 Outdoor Thermostat, or Supplemental Heat Relay A97412 24 VAC HOT R C Y G O RVS COOLING W2 OTHER HP THERMOSTAT HEAT PUMP E R C Y G O W2T W3 W2D Y 0 R C O W2 Y INDOOR FAN EMERGENCYHEAT COOL...

Page 10 - WIRING DIAGRAM NOTES:; LEGEND; FIELD SPLICE CONNECTION

WIRING DIAGRAM NOTES: 1. CARRIER THERMOSTAT WIRING DIAGRAMS ARE ONLY ACCU- RATE FOR MODEL NUMBERS TSTAT _ _ _ _ _ _ _. 2. WIRING MUST CONFORM TO NEC OR LOCAL CODES. 3. SOME UNITS ARE EQUIPPED WITH PRESSURE SWITCH(ES), TEM- PERATURE SWITCH, OR 5-MINUTE COMPRESSOR CYCLE PRO-TECTION. CONNECT 24-V FIELD...

Page 11 - Step 13—Check Charge; Table 3—Defrost Control Speed-Up

Step 13—Check Charge Factory charge is shown on unit rating plate. To check charge incooling mode, refer to Cooling Only Procedure. To check chargein heating mode, refer to Heating Check Chart Procedure. COOLING ONLY PROCEDURE NOTE: If superheat or subcooling charging conditions are not favorable, c...

Page 12 - Table 5—Superheat Charging; OUTDOOR

HEATING CHECK CHART PROCEDURE To check system operation during heating cycle, refer to theHeating Check Chart on outdoor unit. This chart indicates whethera correct relationship exists between system operating pressure andair temperature entering indoor and outdoor units. If pressure andtemperature ...

Manuals:

User Manual Carrier 38AYC

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Carrier Manuals