Pioneer YH3036GHFD18R2 User Manual

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CENTRAL SPLIT AIR CONDITIONER

IMPORTANT NOTICE: Thank you very much for purchasing this Air Conditioner. Please read this manual carefully before

installing or operating your new air conditioning system. Be sure to save this manual for future reference.

HIGH EFFICENCY

CONDENSING UNIT

Models:

• YH1824GHFD18R2

• YH3036GHFD18R2

• YH4248GHFD18R2

• YH4860GHFD18R2

- R-410A REFRIGERANT

- 208~230 V, 1 Phase, 60 Hz

- 18 SEER

Technical &

Service Manual

Table of Contents

Questions and Answers:

N
Nicole LaneAug 9, 2025
Why is my Pioneer Heat Pump not cooling or heating properly?
- S
  sabrinabranchAug 9, 2025
  If your Pioneer Heat Pump isn't cooling or heating properly, several factors could be the cause. First, the outdoor heat exchanger (like the condenser) might be dirty and needs cleaning. Second, remove any heating devices from inside. Third, maintain good air tightness indoors and avoid frequent entry/exit. Fourth, check for and remove any obstructions blocking the outdoor heat exchanger. Finally, double-check and readjust the temperature settings.
L
Luke HernandezAug 15, 2025
How to fix a Pioneer YH3036GHFD18R2 that will not start?
- C
  Crystal JohnsonAug 15, 2025
  If your Pioneer Heat Pump isn't starting up, there might be several reasons. Check the power supply circuit first. Then, measure the insulation resistance to the ground to check for any leakage. After that, check the power supply circuit for defective contacts or leak current. Also, check and reset the remote controller. Finally, replace the batteries in the remote controller.
N
Nancy SmithAug 22, 2025
What to do if my Pioneer Heat Pump is leaking water?
- L
  Linda HoffmanAug 22, 2025
  If you notice water leakage from your Pioneer Heat Pump, it could be due to a blocked or broken drainage pipe, in which case you should change the drainage pipe. Another possible cause is that the wrap of the refrigerant pipe joint isn't completely closed, so re-wrap it tightly.
K
Kimberly TaylorAug 28, 2025
Why does the compressor in my Pioneer YH3036GHFD18R2 Heat Pump start and stop frequently?
- N
  Nicole HortonAug 28, 2025
  If your Pioneer Heat Pump's compressor starts and stops frequently, it might be because the air inlet or outlet is blocked. Remove any obstacles to resolve this issue.
E
ebowmanSep 2, 2025
What is the reason for the sound from deforming parts in Pioneer YH3036GHFD18R2?
- T
  Todd NavarroSep 3, 2025
  This sound is not abnormal and should disappear soon.

Pioneer YH3036GHFD18R2 Specifications

General

Brand	Pioneer
Model	YH3036GHFD18R2
Category	Heat Pump
Language	English

Summary

SAFETY SUMMARY

IMPORTANT NOTICE

General safety warnings and disclaimers regarding product improvement and potential hazards.

GENERAL

1.4 Unit installation

Details the compatibility and basic installation requirements for the system.

1.5 Working range

SPECIFICATIONS

ELECTRICAL DATA

CAPACITIES AND SELECTION DATA

5.1 Capacity characteristic charts

Charts showing cooling performance under various ambient conditions.

5.2 Piping length correction factor

Factors to adjust capacity based on refrigerant pipe length and height difference.

5.3 Correction factors according to defrosting operation

REFRIGERANT CYCLE

WIRING DIAGRAM

8.1 Electrical wiring diagram

Detailed wiring schematic for 24K/36K models.

8.2 Control board picture

FIELD SETTING

9.2 Running parameter query

PIPING WORK AND REFRIGERANT CHARGE

10.1 MAX. length allowed

10.3 Air tight test

Procedure for performing an air-tight test using nitrogen gas.

10.4 Additional refrigerant charge

Instructions for calculating and adding refrigerant based on pipe length.

CONTROL MODE

TROUBLESHOOTING

14.1 Trouble guide

Common malfunctions and their suggested solutions for normal operation.

Outdoor unit

48K/60K Main control fault display

14.2 Fault codes

A table listing outdoor unit fault codes, descriptions, and solutions.

Drive fault code display

CHECKING COMPONENTS

15.1 Check refrigerant system

Procedure for testing the refrigerant system's pressure and charge.

15.2 Check parts unit

CONTROL LOGIC DESCRIPTION

17.1 An illustration to outdoor unit signal

17.2 Cooling Mode

Explains the logic for starting, stopping, and actions during cooling mode.

17.3 Heating Mode

Details the logic for starting, stopping, and actions during heating mode.

17.4 Evaporator Low-temperature Protection

17.5 Condenser High-temperature Protection

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