Pioneer UB048GMFILCFHD User Manual

LIGHT COMMERCIAL SPLIT SYSTEMS
3D DC INVERTER HEAT PUMP
SERVICE MANUAL
Single Zone
ALL RIGHTS RESERVED. PARKER DAVIS HVAC INTERNATIONAL, INC., DORAL, FL 33172 USA
Phone: (800) 243-0340 www.highseer.com
RevisionA:1605,Contentupdated.
ModelNumbers:
IndoorUnitModelNumbers:
CeilingCassette  ConcealedDucted  Floor,Ceiling,LowWall
CB009GMFILCFHD  RB009GMFILCFHD FB009GMFILCFHD
CB012GMFILCFHD  RB012GMFILCFHD FB012GMFILCFHD
CB018GMFILCFHD  RB018GMFILCFHD UB018GMFILCFHD
CB024GMFILCFHD  RB024GMFILCFHD UB024GMFILCFHD
CB036GMFILCFHD  RB036GMFILCFHD UB036GMFILCFHD
CB048GMFILCFHD  RB048GMFILCFHD UB048GMFILCFHD

OutdoorUnit:
StandardCommunicationCircuitModels:
YN009GMFI22RPD  YN012GMFI22RPD  YN018GMFI22RPD
YN024GMFI22RPD  
RS‐485CommunicationCircuitModels:
YN036GMFI17RUD  YN038GMFI17RUD 

Table of Contents
1. Precaution
2. Part Names And Functions
3. Dimension
4. Service space
5. Refrigerant Cycle Diagram
6. Wiring Diagram
7. Static Pressure
8. Electric Characteristics
9. Sound Level
10. Accessories
11. The Specification of Power
12. Installation Details
13. Operation Characteristics
14. Electronic Function
15. Solar Panel
16. Troubleshooting
17. Disassembly Instructions
WARNING
 Installation MUST conform with local building codes or, in the absence of local codes, with the National
Electrical Code NFPA70/ANSI C1-1993 or current edition and Canadian Electrical Code Part1 CSA
C.22.1.
 The information contained in the manual is intended for use by a qualified service technician familiar
with safety procedures and equipped with the proper tools and test instruments
 Installation or repairs made by unqualified persons can result in hazards to you and others.
 Failure to carefully read and follow all instructions in this manual can result in equipment malfunction,
property damage, personal injury and/or death.
 This service is only for service engineer to use.

Pioneer UB048GMFILCFHD Specifications

General

Cooling Capacity (BTU)	48000
SEER	16
HSPF	9.5
Refrigerant	R-410A
Heating Capacity (BTU)	48000
Power Supply	208-230V, 60Hz, 1 Phase
Indoor Unit Weight	44 lbs

Summary

Precaution and Safety

Safety Precautions

Essential instructions to prevent injury and property damage during installation and operation.

Warning and Caution Guidelines

System Diagrams and Schematics

Wiring Diagrams

Performance Specifications and Curves

Installation Procedures

Location Selection

Indoor Unit Installation

Outdoor Unit Installation

Refrigerant Pipe Installation

Procedures for installing refrigerant pipes, including length limits, connections, and flaring.

Drainage Pipe Installation

Guidelines for installing drainage pipes, ensuring proper slope, diameter, and testing.

Vacuum Drying, Leakage Checking, and Refrigerant Charge

Procedures for vacuum drying, leak checking, and adding refrigerant to the system.

Insulation Engineering

Electrical Wiring Installation

Test Operation

Steps to follow for conducting a test operation after installation is completed.

Operating Modes and Functions

Operating Temperature Ranges

Electronic Functions and Controls

Troubleshooting and Error Codes

Indoor Unit Error Displays

Lists error codes, LED status, and their corresponding meanings for indoor unit malfunctions.

Outdoor Unit Error Displays

Details error codes and LED indicators for outdoor units, aiding in fault diagnosis.

Diagnosis and Solution Procedures

Provides step-by-step troubleshooting guides for specific error codes and malfunctions.

Main Parts Checking

Guides for checking key components like temperature sensors and compressors using a tester.