KUHL+

ELECTRONIC CONTROL

HEAT PUMP ONLY MODEL

YS10M10A

 

 

 

 

 

 

 

 

 

 

 

WIRING DIAGRAM

COMPRESSOR

 

 

 

 

 

 

UI HOLDER ELECTRONICS ASY

 

 

 

 

 

 

 

 

 

 

COIL, SOLENOID

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C

OLP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

S R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLUE RED BLACK

 

 

 

 

BL

 

RV

 

 

OD AIR SENSOR

 

 

 

 

 

 

 

 

 

 

BLACK

 

 

OD COIL SENSOR

 

 

 

 

 

 

 

 

 

 

RELAY

 

 

 

 

 

 

 

 

 

 

 

 

U

 

 

ID COIL SENSOR

 

 

 

 

 

 

 

 

 

 

E

 

F4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RELAY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLACK

F3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RELAY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLUE

F2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ORANGE

RELAY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

F1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RELAY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HEAT

 

 

 

 

 

DCHRG

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AIR

TO

 

 

 

 

 

 

 

 

 

RELAY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SENSOR

DISPLAY

 

 

 

 

 

 

 

 

HEAT

 

 

L2 or ACN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RELAY

 

 

 

 

 

 

 

 

 

BLACK

 

 

 

 

 

 

 

 

 

 

 

 

AMBIENT

 

 

 

 

 

 

 

 

 

 

COMP

 

 

 

 

 

AIR SENSOR

 

 

 

 

 

 

 

 

 

RELAY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLACK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHITE

WHITE

 

GREEN/YELLOW

SUPPLY CORD

 

 

 

 

 

 

 

WHITE

RED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CAPACITOR

 

 

 

 

 

 

 

 

 

GREEN

 

 

 

 

 

COM

 

 

 

 

BROWN

 

 

 

 

 

 

 

 

RED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OR

 

 

 

 

CAPACITOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GREEN

 

 

 

 

 

TO CAPACITOR

 

GREEN

BRACKET

H

 

 

 

 

MOTOR

 

 

 

 

 

 

TO CHASSIS

E

 

A

N

 

 

 

 

 

 

BRACKET

 

 

 

R

F

 

 

 

 

 

 

 

 

 

 

 

BLUE

M

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TO INNERWALL/

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MOTOR MOUNT

 

 

 

 

 

 

 

 

 

SCHEMATIC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

USER INTERFACE

 

 

 

NEUTRAL (115 V)

 

 

 

 

 

 

HIGH

 

 

 

L2

(230/208 V)

 

 

 

 

 

 

 

 

 

 

 

 

 

L1

 

 

 

 

3

F3

 

 

 

 

 

 

R

 

 

 

 

 

 

 

 

 

MEDIUM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

F2

 

 

 

OLP

 

FAN MTR

 

 

 

 

 

 

 

 

LOW

 

 

 

 

 

 

 

 

 

 

 

 

1

F1

 

 

 

 

 

 

S

FAN

COM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

REVERSE CYCLE

RV

 

 

 

 

 

CAP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L2 OR N

 

 

 

 

 

 

R

 

 

 

 

 

 

 

 

 

 

 

 

OLP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

COMPRESSOR

 

 

 

C

COMPRESSOR

 

 

 

 

L1

 

 

5

COMP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HERM

COM

 

 

 

ELECTRONIC CONTROL

 

 

 

 

 

 

S

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CAP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L E G E N D

 

 

 

 

 

 

 

 

 

CAP

- CAPACITOR

 

 

 

 

 

 

- REVERSING VALVE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

COMPR - COMPRESSOR

 

 

 

 

T

- THERMISTER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MTR

- FAN MOTOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

- COMBINATION TERMINAL

 

 

 

 

OLP

- OVERLOAD PROTECTOR

 

 

 

 

 

 

UI

- USER INTERFACE

 

 

 

- GROUNDED LEAD SYMBOL

 

 

 

 

TF

- THERMAL FUSE

 

 

 

 

- INSULATOR

 

 

 

 

 

 

HL

- HEATER LIMIT FUSE

 

 

HTR

- HEATER ELEMENT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PART NO.

REV.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

92170003

04

73

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Friedrich R-410A service manual KUHL+ Electronic Control Heat Pump only Model, YS10M10A

R-410A specifications

Friedrich R-410A is an advanced refrigerant widely used in HVAC (Heating, Ventilation, and Air Conditioning) systems, known for its high efficiency and environmental friendliness. As a hydrofluorocarbon (HFC) blend, R-410A has become the preferred alternative to R-22, which is being phased out due to its ozone-depleting potential. One of the main features of R-410A is its high latent heat of vaporization, which allows for efficient heat transfer and improved cooling performance in air conditioning units.

Technologically, R-410A operates at higher pressures than older refrigerants, meaning systems designed for R-410A need to be built with more robust components to safely handle these pressures. This results in a more compact system design that offers enhanced performance and reliability. The dual-component nature of R-410A—composed of difluoromethane (R-32) and pentafluoroethane (R-125)—provides an optimal balance of thermodynamic properties, leading to superior energy efficiency, especially in variable speed applications.

In terms of characteristics, R-410A has a higher cooling capacity, which enables HVAC systems to effectively cool larger spaces or run more efficiently when cooling smaller areas. The refrigerant is non-toxic and non-flammable, which enhances safety during its use. In addition, R-410A has a lower global warming potential relative to other refrigerants, making it a more environmentally responsible choice for modern cooling systems.

Moreover, R-410A systems typically require less refrigerant charge due to their efficiency, contributing to reduced greenhouse gas emissions. The adoption of R-410A aligns with regulatory trends aimed at minimizing the environmental impact of refrigerants in cooling applications.

Overall, the Friedrich R-410A refrigerant embodies a combination of technology and environmental stewardship, making it a cornerstone of contemporary HVAC design. Its ability to provide effective and energy-efficient cooling solutions while being compliant with modern environmental regulations positions R-410A as the refrigerant of choice for engineers and installers focused on sustainability and performance in air conditioning systems.