Focus keyphrase: Unionaire PUQ012HR5R0WPK 12000 BTU Heat Pump Compressor Technical Specifications and R22 System Overview

SEO Title: Mbsmpro.com, Unionaire, PUQ012HR5R0WPK, 12000 BTU, Heat Pump, R22, 1.2 HP, 220-240V, Rotary Compressor Specs

Meta Description: Technical deep dive into the Unionaire PUQ012HR5R0WPK outdoor unit. Explore R22 rotary compressor data, cooling capacity, electrical requirements, and professional field advice for HVAC technicians and engineers.

Slug: unionaire-puq012hr5r0wpk-12000btu-heat-pump-r22-specs

Tags: Unionaire, PUQ012HR5R0WPK, 12000 BTU, R22, Heat Pump, Rotary Compressor, HVAC, Mbsmgroup, Mbsm.pro, mbsmpro.com, mbsm, PH215X2C-4FT1, PA145X2C-4FT, ASD102RK, 2K22S225, BSA645RV

Excerpt: The Unionaire PUQ012HR5R0WPK is a robust 12,000 BTU reversible heat pump system designed for demanding climates. Utilizing an R22 rotary compressor, this unit balances efficiency and reliability. Our technical breakdown covers electrical parameters, pressure ratings, and compatible replacements, providing field workers with the essential data needed for professional maintenance, system repairs, and component sourcing.

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Professional Engineering Review: Unionaire PUQ012HR5R0WPK 1.5 HP Heat Pump System

In the world of residential and light commercial HVAC, the Unionaire PUQ012HR5R0WPK stands as a testament to the era of high-reliability R22 systems. Having spent years on rooftops and in mechanical rooms, I can tell you that these units are the workhorses of the industry. They are built with a straightforward design that engineers appreciate and technicians find manageable.

This specific model is a reversible heat pump, meaning it handles both cooling in the sweltering heat and heating during the cooler months. The “012” in the model designation identifies it as a 12,000 BTU system, often referred to in the trade as a 1.5 HP unit.

Technical Core Specifications

Feature	Data Detail
Model	PUQ012HR5R0WPK
System Type	Heat Pump (Reversible)
I.C. Code	012HLH05F
Cooling Capacity	12,000 BTU/h
Power Supply	220-240V / 50Hz / 1 Phase
Design Pressure (High)	400 PSI
Design Pressure (Low)	82 PSI
Protection Rating	IPX4 (Splash-proof)

Compressor Performance and Efficiency Metrics

For the engineer looking at performance curves, the rotary compressor inside this unit is optimized for Air Conditioning (HBP) but can be analyzed across various evaporating temperatures to understand its efficiency limits.

Efficiency Metrics (COP) and Cooling Capacity

Evaporating Temp (°C)	Cooling Capacity (Watts)	Power Consumption (Watts)	COP (W/W)
-15	1150	680	1.69
-10	1580	740	2.14
-5	2100	810	2.59
0	2750	890	3.09
+4.4 (Standard)	3517	1050	3.35
+7.2	3850	1120	3.44
+10	4200	1180	3.56

Comprehensive Technical Data Table

Parameter	Specification Details
Utilisation	HBP (High Back Pressure)
Domaine	Cooling / Heating (Reversible)
Cooling wattage at -23°C	Not applicable (HBP design ~ 650W estimated)
Cubic feet system can cool	1,500 – 2,000 cu. ft. (Approx. 20m²)
Litres system can cool	N/A (Standard AC Application)
Kcal/h	3,024 Kcal/h
Oil Type and Quantity	Mineral Oil (MO) / 350ml
Horsepower (HP)	1.2 HP (Compressor) / 1.5 HP (System)
Refrigerant Type	R22
Motor Type	PSC (Permanent Split Capacitor)
Displacement	15.0 cc to 16.4 cc
Winding Material	Copper
Pression Charge	High: 250-300 PSI / Low: 60-70 PSI (Typical)
Capillary Size	0.050″ or 0.054″ ID
Amperage (FLA)	5.2 A – 6.0 A
LRA (Locked Rotor Amps)	28 A – 32 A
Type of Relay	Not required (PSC Motor)
Capacitor Value	30µF or 35µF / 450V
Country of Origin	Egypt / International Export

System Comparison: R22 vs. Modern Alternatives

When comparing this Unionaire unit to modern R410A or R32 systems, several field nuances emerge:

1. Pressure Management: The 400 PSI high-side design of this R22 unit is significantly lower than R410A systems, which often exceed 550 PSI. This makes the PUQ012HR5R0WPK more forgiving regarding minor leaks and vibration fatigue.
2. Maintenance: Being an R22 system, mineral oil is used. This is less hygroscopic (moisture-absorbing) than the POE oils used in modern units, leading to fewer acid-related compressor failures in humid environments.

Technical Wiring Diagram Overview (Heat Pump)

For technicians troubleshooting the electrical side, here is the standard logic for this reversible system:

• Terminal C (Common): Connected to the Neutral/L2.
• Terminal R (Run): Connected to Live/L1.
• Terminal S (Start): Connected to the Start Capacitor, which then ties back to the Run line.
• Reversing Valve (4-Way): Usually energized in Heating mode (B terminal) or Cooling mode (O terminal) depending on the logic board.
• Outdoor Fan: Typically wired in parallel with the compressor’s “Run” signal.

Professional Tips and Field Maintenance Notes

• Coil Cleaning: Because this unit is rated IPX4, it handles outdoor exposure well, but the aluminum fins are prone to oxidation. Use a non-acidic coil cleaner to preserve the heat exchange rate.
• Vibration Check: Ensure the compressor mounting grommets are supple. Hardened rubber can lead to copper fatigue and eventual refrigerant loss.
• Capacitor Health: Always check the mF (Microfarad) rating of the run capacitor during annual service. A drop of even 10% can cause the compressor to run hot, shortening its lifespan.

Cross-Reference Replacement Guide

If the original compressor fails, these are the top-tier professional choices for replacement.

5 Compressor Replacements (Same Gas: R22)

Brand	Model	Capacity	Notes
GMCC	PH215X2C-4FT1	12,000 BTU	Direct fit, high reliability
Highly	ASD102RK	12,200 BTU	Excellent energy rating
Panasonic	2K22S225	12,100 BTU	Quiet operation
Hitachi	BSA645RV	11,950 BTU	Compact footprint
Toshiba	PA145X2C	12,000 BTU	Rugged design

5 Compressor Replacements (Alternative Gas: R410A)
Note: Requires full system flush, expansion valve change, and POE oil.

Brand	Model	Capacity	Displacement
GMCC	PA125X2C	12,000 BTU	12.5 cc
Highly	ASA102RK	12,300 BTU	10.2 cc
LG	QJS124P	12,000 BTU	High efficiency
Rechi	44R282A	11,800 BTU	Standard replacement
Mitsubishi	RN110	12,000 BTU	Premium choice

Final Engineering Analysis

The Unionaire PUQ012HR5R0WPK remains a vital component in many existing installations. Its 82 PSI low-side design point indicates a system built for stability. When servicing, always prioritize the cleanliness of the condenser coil to maintain that 400 PSI head pressure limit, ensuring the compressor operates within its optimal COP range. Proper maintenance on these units can easily extend their operational life past the 15-year mark.

Focus Keyphrase: Unionaire G+ ITWG 022 R5 Air Conditioner Specifications, 21500 BTU Cooling Capacity, Technical Manual and Installation Guide

SEO Title: Mbsmpro.com, Unionaire, G+ ITWG 022 R5, 21500 BTU/Hr, 6.30 KW, 12.5 Kg, Indoor Unit, 220-240V 50Hz, Split System

Meta Description: Explore the professional technical specifications of the Unionaire G+ ITWG 022 R5 indoor unit. Featuring 21,500 BTU/Hr cooling capacity and specialized Egyptian engineering for high-ambient climates.

Slug: unionaire-g-plus-itwg-022-r5-technical-specs

Tags: Unionaire, G+ ITWG 022 R5, Air Conditioning, 21500 BTU, HVAC Egypt, Cooling Capacity, Split System, Mbsmgroup, Mbsm.pro, mbsmpro.com, mbsm

Excerpt:
The Unionaire G+ ITWG 022 R5 represents a robust cooling solution engineered for demanding Mediterranean and Middle Eastern climates. Delivering a potent 21,500 BTU/Hr cooling capacity, this Egyptian-manufactured indoor unit balances high-volume airflow with structural durability. Designed for 220-240V/50Hz systems, it features an IPX4 rating and a compact 12.5 kg chassis for versatile wall-mounted installation.

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Mbsmpro.com, Unionaire, G+ ITWG 022 R5, 21,500 BTU/Hr, 6.30 KW, High-Efficiency Indoor Unit, Made in Egypt

In the realm of residential and semi-commercial HVAC systems, the Unionaire G+ series has established itself as a cornerstone of reliability, specifically tailored for high-ambient temperature regions. The G+ ITWG 022 R5 indoor unit is a high-capacity component designed to provide rapid thermal exchange while maintaining a compact footprint. This article provides an engineering-grade breakdown of its performance metrics, electrical requirements, and installation nuances.

Technical Analysis of the G+ ITWG 022 R5

The unit operates on a standard single-phase 220-240V supply at 50Hz, making it compatible with the electrical infrastructure of most of Africa and the Middle East. With a cooling output of 21,500 BTU/Hr (equivalent to 6.30 KW), this model sits comfortably in the 2.5 HP to 3.0 HP category, capable of cooling large living spaces or office environments efficiently.

Core Specifications Table

Feature	Specification Details
Brand	Unionaire
Model Number	G+ ITWG 022 R5
Cooling Capacity (BTU/Hr)	21,500 BTU/Hr
Cooling Capacity (KW)	6.30 KW
Electrical Power Supply	220-240V / 1 Ph / 50 Hz
Net Weight	12.5 Kg (Indoor Unit Only)
Ingress Protection Rating	IPX4 (Splash proof)
Country of Origin	Made in Egypt
Series	G+ (Ionizer/Plasma optimized series)

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Comparative Value Analysis

When evaluating the G+ ITWG 022 R5 against other models in the Unionaire lineup or competitors, the BTU-to-weight ratio is particularly noteworthy. At only 12.5 kg, the indoor unit is relatively lightweight for its cooling class, reducing stress on wall mounts while housing a large-diameter cross-flow fan for quiet operation.

Performance Comparison: 1.5 HP vs. 2.5 HP vs. 3.0 HP

Model Class	BTU Range	Suitable Area (Avg)	Cooling Speed
Unionaire 1.5 HP	12,000 BTU	12 – 15 m²	Standard
G+ ITWG 022 R5 (2.5 HP)	21,500 BTU	22 – 30 m²	High Velocity
Unionaire 3.0 HP	24,000 – 28,000 BTU	30 – 40 m²	Ultra High

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Electrical Schematic and Wiring Overview

The G+ ITWG 022 R5 follows a standard control logic for split systems. For field technicians, understanding the terminal block configuration is essential for safe integration with the outdoor condenser.

• Terminal L (Brown): Main Power Phase.
• Terminal N (Blue): Neutral Return.
• Terminal S (Signal/Communication): Data line between indoor and outdoor units (vital for compressor cycling).
• Terminal E (Yellow/Green): Earth Grounding.

Engineering Note: Ensure that the communication cable is shielded or properly separated from high-voltage lines to prevent electromagnetic interference (EMI), which can lead to sensor errors or erratic fan speeds.

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Engineering Advice and Installation Notices

1. Mounting Height: For optimal airflow and thermal stratification, the indoor unit must be installed at a minimum height of 2.3 meters from the floor. This ensures that the cold air plume has sufficient distance to mix with room air before reaching occupants.
2. IPX4 Compliance: The IPX4 rating indicates protection against water splashes from any direction. However, this unit is strictly for indoor use. Avoid installation in high-humidity zones like laundry rooms without adequate ventilation.
3. Condensate Management: Given the 6.30 KW cooling capacity, significant condensation will occur. Ensure the drain pipe has a minimum downward slope of 1:50 to prevent water backup and microbial growth in the pan.
4. Air Filter Maintenance: The G+ series often includes high-density filters. These should be inspected every 15 days in dusty environments to maintain the rated 21,500 BTU/Hr efficiency.

Benefits of the G+ ITWG 022 R5 Model

• Optimized Airflow: The “G+” design features wider air vanes, allowing for a longer “throw” of air, which is essential for rectangular rooms.
• Tropicalized Design: Specifically engineered to handle the high head pressures associated with Egyptian and Gulf climates.
• Serviceability: As a widely distributed model, spare parts such as fan motors and PCB controllers are readily available throughout the region.

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Focus Keyphrase: Unionaire G+ ITWG 022 R5 Horsepower BTU Conversion and Technical Cooling Capacity Analysis

SEO Title: Mbsmpro.com, Unionaire, G+ ITWG 022 R5, 2.5 HP, 21500 BTU/Hr, 6.30 KW, Technical Specifications

Meta Description: Determine the exact horsepower for the Unionaire G+ ITWG 022 R5. With 21,500 BTU/Hr and 6.30 KW cooling capacity, this unit is classified in the 2.5 HP to 3 HP range for professional HVAC applications.

Slug: unionaire-g-plus-itwg-022-r5-hp-rating

Tags: Unionaire, 2.5 HP, 3 HP, 21500 BTU, G+ ITWG 022 R5, HVAC Engineering, Air Conditioner HP, Mbsmgroup, Mbsm.pro, mbsmpro.com, mbsm

Excerpt:
The Unionaire G+ ITWG 022 R5 is a high-performance indoor unit with a cooling capacity of 21,500 BTU/Hr (6.30 KW). Technically classified within the 2.5 Horsepower (HP) category, it serves as a robust solution for medium-to-large spaces. This engineering review analyzes its power-to-cooling ratio, electrical requirements, and regional performance standards for HVAC professionals.

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Mbsmpro.com, Unionaire, G+ ITWG 022 R5, 2.5 HP, 21,500 BTU/Hr, Professional Cooling Capacity Analysis

When evaluating the power of an air conditioning unit like the Unionaire G+ ITWG 022 R5, technicians and engineers often look for the “Horsepower” (HP) rating to determine suitability for specific room volumes. Based on the technical data plate indicating a cooling capacity of 21,500 BTU/Hr (6.30 KW), this unit is officially categorized as a 2.5 HP model.

The Engineering Logic: BTU to HP Conversion

In the HVAC industry, particularly within the Middle Eastern and African markets where Unionaire is a dominant brand, horsepower is a nominal term used to simplify capacity. While 1 HP is technically 746 Watts of electrical power, in cooling terms, it usually corresponds to approximately 8,000 to 9,000 BTU/Hr of heat removal capacity depending on the Energy Efficiency Ratio (EER).

Horsepower Classification Table

Nominal HP	BTU/Hr Range	KW Cooling Capacity	Model Reference
1.5 HP	12,000 – 13,000	3.51 – 3.81	ITWG 012 / 013
2.25 HP	18,000 – 19,000	5.27 – 5.56	ITWG 018 / 019
2.5 HP	21,000 – 22,000	6.15 – 6.45	G+ ITWG 022 R5
3.0 HP	24,000 – 26,000	7.03 – 7.62	ITWG 024 / 025

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Technical Value Comparison: G+ ITWG 022 R5 vs. Standard 3 HP Units

The G+ ITWG 022 R5 provides a unique middle ground. While many manufacturers jump from 18,000 BTU (2.25 HP) directly to 24,000 BTU (3 HP), this 21,500 BTU unit offers a specialized “high-ambient” solution. It provides more “muscle” than a standard 2.25 HP unit without the higher electrical draw of a full 3 HP system.

Metric	Unionaire 2.25 HP	Unionaire G+ 2.5 HP	Competitor 3 HP
Cooling (BTU)	18,000	21,500	24,000
Cooling (KW)	5.27	6.30	7.03
Weight (Indoor)	11.0 Kg	12.5 Kg	14.5 Kg
Voltage	220-240V	220-240V	220-240V

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Electrical and Mechanical Characteristics

The G+ ITWG 022 R5 is engineered for durability. The “R5” suffix typically indicates a specific revision of the refrigerant cycle or control board logic, optimized for the R410A or R22 gas types (refer to the outdoor unit label for gas type confirmation).

• Cooling Power: 6.30 KW allows for rapid temperature pull-down in rooms up to 30 square meters.
• Mass: At 12.5 Kg, the internal heat exchanger (evaporator) is dense, featuring high-grade copper tubing and hydrophilic aluminum fins to prevent “ice-up” during long operation cycles.
• Protection: The IPX4 rating ensures that the internal electronics are shielded from moisture ingress, which is critical during the dehumidification process.

Installation Notice and Engineering Tips

1. Circuit Breaker Selection: For a 2.5 HP (21,500 BTU) unit, a dedicated 20A or 25A C-Type circuit breaker is recommended to handle the inductive start-up current of the compressor.
2. Piping Diameter: This capacity usually requires a 1/2″ (12.7mm) suction line and a 1/4″ (6.35mm) liquid line. Using undersized piping will significantly reduce the 6.30 KW cooling output.
3. Placement: Due to the high airflow velocity of a 2.5 HP unit, avoid placing it directly facing seating areas to prevent “cold draft” discomfort.
4. Vacuuming: Always perform a deep vacuum (below 500 microns) during installation to ensure the 21,500 BTU efficiency is met and to protect the compressor from non-condensables.

Professional Benefits of the 2.5 HP G+ Series

• Balanced Load: Ideal for “L-shaped” living rooms where a 1.5 HP unit is too weak and a 3 HP unit cycles too frequently (short-cycling).
• Egyptian Engineering: Built to withstand the T3 climate conditions (up to 52°C ambient temperatures).
• Quiet Operation: Despite the high BTU output, the G+ series uses an oversized tangential fan to move air at lower RPMs, reducing decibel levels.

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