Carrier 38EYA instruction manual Two

Page 8

OTHER BRAND

HP THERMOSTAT

FA, FB, FX

HEAT

FAN COIL

PUMP

OTHER BRAND

FA, FB, FX

HEAT

ONE

OUTDOOR

HP THERMOSTAT

FAN COIL

PUMP

THERMOSTAT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

24 VAC HOT

 

R

 

 

 

 

 

 

 

 

24 VAC COM

 

C

 

 

 

 

 

 

 

 

 

HEAT STAGE 2

 

W2

 

 

COOL/HEAT

 

 

 

 

 

 

 

 

Y

 

 

STAGE 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

INDOOR FAN

 

 

 

G

 

 

 

 

 

 

 

 

RVS COOLING

 

O

 

 

EMERGENCY

 

 

 

 

 

 

E

 

 

HEAT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R

R

C

C

 

W2 *

W2

E *

 

W3 *

Y

 

G

 

 

O

*IF AVAILABLE

24 VAC HOT

24 VAC COM

HEAT STAGE 2

COOL/HEAT STAGE 1

INDOOR FAN

RVS COOLING

EMERGENCY HEAT

W3

ODT

 

R

 

R

R

C

 

C

C

W2

 

W2

W2

Y

 

E

 

G

Y

G

 

O

 

 

O

E

 

A97577

NOTE: Remove wires from crimp nut in indoor fan coil when installing outdoor thermostat.

IMPORTANT: When using outdoor thermostat, W2 must be energized when requesting supplemental heat.

A97578

OTHER BRAND

 

 

TWO

FA, FB, FX

HEAT

OUTDOOR

HP THERMOSTAT

FAN COIL

PUMP

THERMOSTATS

OTHER BRAND

HP THERMOSTAT

FV4A

HEAT

FAN COIL

PUMP

24 VAC HOT

24 VAC COM

HEAT STAGE 2

COOL/HEAT STAGE 1

INDOOR FAN

RVS COOLING

EMERGENCY HEAT

 

W3 *

ODT

R

 

 

 

 

EHR

R

 

R

C

 

 

 

 

C

 

C

W2

 

*

 

 

W2

W2

Y

 

 

 

 

 

EHR

 

 

Y

G

 

 

E

*

ODT

 

O

 

 

 

 

G

 

 

E

 

 

 

 

 

 

O

 

EHR

 

 

24 VAC HOT

R

 

 

 

24 VAC COM

C

 

 

 

 

HEAT STAGE 2

W2

COOL/HEAT

 

 

 

 

 

Y

STAGE 1

 

 

 

 

 

 

 

 

INDOOR FAN

 

 

G

 

 

 

RVS COOLING

O

 

 

EMERGENCY

 

E

HEAT

 

 

 

 

DH

J1 JUMPER

R

R

C

C

 

W1

W2

W2

J2 JUMPER

 

Y/Y2

Y

G

 

OO

Y1

*IF AVAILABLE

NOTE: Remove wires from crimp nut in indoor fan coil when installing outdoor thermostats.

IMPORTANT: When using outdoor thermostats, W2 must be energized when requesting supplemental heat.

A97579

A97580

Fig. 13—Typical 24-v Circuit Connections using Other HP Thermostats with Fan Coils and No Outdoor

Thermostat or 2 Outdoor Thermostats

8

Image 8
Contents Installation and Start-Up Instructions Install On a Solid, Level Mounting Pad Check Equipment and Job SiteClearance Requirements Operating AmbientsElevate Unit Check Indoor Expansion DeviceCheck Defrost Thermostat Making Piping ConnectionsIndoor Unit Install Adapter TubeOutdoor Unit Connected to FACTORY-APPROVED Tighten Refrigerant Tubing and Filter Drier Sweat ConnectionLeak Checking Evacuate Refrigerant Tubing and Indoor CoilInstall Electrical Accessories Make Electrical ConnectionsCompressor Crankcase Heater Start-UpProgrammable Thermostat TWO Thermostat SINGLE-STAGE Heat Pump Model DF VAC COM Not Used Trouble Optional Outdoor Sensor Connection Smart Heat Pump W2D CUT W2T JW1 ODT Wiring Diagram Notes → -PHASE Monitor LED Indicators Sequence of OperationCooling only Procedure Example Heating Check Chart ProcedureCheck Charge Unit ChargeRequired Liquid-Line Temperature F Final ChecksPuron R-410A Quick Reference Guide

38EYA specifications

The Carrier 38EYA is a high-efficiency, ducted air conditioning system that stands out in the HVAC industry for its blend of advanced technology, reliable performance, and energy-saving capabilities. Designed for residential applications, the 38EYA model showcases Carrier’s commitment to innovation and comfort.

One of the key features of the Carrier 38EYA is its outstanding SEER (Seasonal Energy Efficiency Ratio) rating, often exceeding 16, which underscores its energy efficiency. This high rating means that the unit consumes less electricity, leading to lower utility bills while maintaining a comfortable indoor climate. The system is equipped with a variable-speed compressor that adjusts its output to meet the cooling demands of the space, providing precise temperature control while minimizing energy consumption.

In addition to its efficiency, the 38EYA includes advanced refrigerant technology. Utilizing R-410A, a more environmentally friendly refrigerant, this unit contributes to reduced global warming potential compared to older refrigerants. The Carrier 38EYA also features a corrosion-resistant steel cabinet, ensuring durability and longevity in varying weather conditions.

User-friendly operation is enhanced through the optional smart thermostat, which allows homeowners to control their cooling system remotely. This integration with smart technology provides convenience and helps optimize energy use, further enhancing savings on energy costs. Additionally, the whisper-quiet operation of the system ensures that homeowners can enjoy a peaceful environment without the distraction of loud machinery.

Furthermore, the Carrier 38EYA incorporates a multi-stage filtration system that improves indoor air quality by capturing dust, allergens, and other pollutants. This feature is particularly beneficial for households with allergy sufferers or pets.

Overall, the Carrier 38EYA represents a blend of energy efficiency, advanced technology, and user-friendly features, making it a top choice for homeowners seeking a reliable and effective home cooling solution. Its commitment to sustainability, combined with optimal performance, positions the 38EYA as a leading option in modern air conditioning systems, ensuring comfort and satisfaction for years to come.