Model NO.Sm160N.W.90kgTransport PackagePackage: Wooden Case/Pallet or as Your RequirmentSpecificationSM series SM090TrademarkperfomerOriginFranceHS Code8414301300Production Capacity50000 Sets/Year
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.
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.
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:
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.
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.
The cooling capacity of the ETZ95L compressor is approximately 165 kcal/h or 165 W This compressor, specifically the Huayi model HPY12AAa that uses the ETZ95L, is designed for refrigeration applications and operates with a voltage of 220-240V at 50Hz. The ETZ95L compressor is associated with Huaguang compressors and has a similar cooling capacity of 165 kcal/h