Instruction/ maintenance manual of the product 38EYA Carrier
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38EYA 12 SEER Split-System Heat Pump with Puron® Installation and Start-Up Instructions NOTE: Read the entire instruction manual before starting the installation.
INSTALLATION IMPORTANT: Specifications for this unit in residential new construction market require using the outdoor unit, indoor unit, refrigerant tubing sets, metering device, and filter drier listed in presale literature. There can be no deviation.
Step 5 — Elevate Unit Accumulation of water and ice in base pan may cause equipment damage. Elevate unit per local climate and code requirements to provide clearance above estimated snowfall level and ensure adequate drainage of unit.
Do not leave system open to atmosphere any longer than minimum required for installation. POE oil in compressor is extremely susceptible to moisture absorption. Always keep ends of tubing sealed during installation. If ANY refrigerant tubing is buried, provide a 6 in.
wrench an additional 1/12 turn (15 ft-lb). DO NOT OVER- TIGHTEN. REFRIGERANT TUBING AND FILTER DRIER Installation of filter drier in liquid line is required. Connect vapor tubing to fittings on outdoor unit vapor service valves. Connect liquid tube to filter drier.
1. Pump system down to 28 in. of mercury and allow pump to continue operating for an additional 15 minutes. 2. Close service valves and shut off vacuum pump. 3. Connect a nitrogen cylinder and regulator to system and open until system pressure is 2 psig.
24 VAC HOT R G W/W1 Y/Y2 O/W2 R W2 W3 E RVS COOLING C B S1 S2 W2 CARRIER PROGRAMMABLE THERMOSTAT MODEL HP FA, FB, FX FAN COIL HEAT PUMP G Y1/W2 L R O INDOOR FAN HEAT STAGE 2 COOL/HEAT STAGE 1 NOT USED.
24 VAC HOT R C W2 Y G R C RVS COOLING C W2 OTHER BRAND HP THERMOSTAT FA, FB, FX FAN COIL HEAT PUMP G O E W2 E W3 R Y 24 VAC COM HEAT STAGE 2 COOL/HEAT STAGE 1 INDOOR FAN EMERGENCY HEAT O * * * IF AVAI.
G R Y/Y2 O/W2 CARRIER DUAL FUEL THERMOSTAT MODEL DF SINGLE-STAGE FURNACE HEAT PUMP G Y W C Y R O W2 Y1/W2 C B L S1 S2 R C FURNACE COMPRESSOR FAN 24 VAC HOT 24 VAC COM N/A RVS HEATING RVS SENSING OUTDO.
24 VAC HOT R G W/W1 Y/Y2 O/W2 RVS COOLING C B S1 S2 CARRIER PROGRAMMABLE THERMOSTAT MODEL HP FA, FB, FX FAN COIL WITH SMART HEAT HEAT PUMP Y1/W2 L R C Y G O W2T W3 W2D Y 0 R C O W2 Y INDOOR FAN HEAT S.
24 VAC HOT R C Y G O RVS COOLING W2 OTHER BRAND HP THERMOSTAT FA, FB, FX FAN COIL WITH SMART HEAT HEAT PUMP E R C Y G O W2T W3 W2D Y 0 R C O W2 Y INDOOR FAN EMERGENCY HEAT COOL/HEAT STAGE 1 24 VAC COM.
Back seating service valves are not equipped with Schrader valves. Fully back seat (counter clockwise) valve stem before removing gage port cap. Do not vent refrigerant to atmosphere. Recover during system repair or final unit disposal. Follow these steps to properly start up the system.
• 3 – phase scroll compressors are rotation sensitive. • A flashing LED on phase monitor indicates reverse rotation. (See Fig. 18 and Table 3.) • This will not allow contactor to be energized. • Disconnect power to unit and interchange 2 field wiring leads on unit contactor.
Step 14 — Check Charge UNIT CHARGE Factory charge is shown on unit rating plate. To check charge in cooling mode, refer to Cooling Only Procedure. To check charge in heating mode, refer to Heating Check Chart Procedure.
Step 15 — Final Checks IMPORTANT: Before leaving job, be sure to do the following: 1. Securely fasten all panels and covers. 2. Tighten service valve stem caps to 1/12-turn past finger tight. 3. Leave User ’ s Manual with owner. Explain system operation and periodic maintenance requirements outlined in manual.
PURON ® (R-410A) QUICK REFERENCE GUIDE • Puron ® refrigerant operates at 50-70 percent higher pressures than R-22. Be sure that servicing equipment and replacement components are designed to operate with Puron ® . • Puron ® refrigerant cylinders are rose colored.
An important point after buying a device Carrier 38EYA (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Carrier 38EYA yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Carrier 38EYA - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Carrier 38EYA you will learn all the available features of the product, as well as information on its operation. The information that you get Carrier 38EYA will certainly help you make a decision on the purchase.
If you already are a holder of Carrier 38EYA, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Carrier 38EYA.
However, one of the most important roles played by the user manual is to help in solving problems with Carrier 38EYA. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Carrier 38EYA along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
