🌊 Inverter+ 27.3kW 3-Phase Commercial Pool Heat Pump – IPHR70T

Transform your commercial pool heating with cutting-edge Full-Inverter technology that delivers exceptional performance while slashing energy costs by up to 50%

Are you searching for a powerful, efficient heating solution for your large commercial pool or extensive residential installation? The Inverter+ 27.3kW 3-Phase Heat Pump (IPHR70T) combines industrial-grade construction with intelligent energy management to provide reliable, cost-effective heating throughout your extended swimming season.

This premium commercial heat pump is engineered for demanding applications where performance, efficiency, and reliability are non-negotiable. Whether you manage a commercial facility, club, hotel pool, or large residential installation, the IPHR70T delivers professional-grade heating with remarkable energy savings.

Perfect for pools: 65-120m³ (approximately 14,300 – 26,400 gallons)

✅ Key Benefits at a Glance

💰 Dramatic Cost Savings – Reduce operating costs by up to 50% compared to conventional heating systems through intelligent inverter technology

⚡ Rapid Heat-Up Power – Delivers 100% heating capacity initially for fast temperature recovery, then modulates to 50% for efficient maintenance

🔇 Whisper-Quiet Operation – Approximately 10 times quieter than standard heat pumps thanks to twin-rotary DC compressors with minimal vibration

📱 Smart WiFi Control – Monitor and control your pool heating from anywhere using the intuitive smartphone app

🏗️ Commercial-Grade Durability – Titanium heat exchanger resists corrosion from pool chemicals and saltwater for extended service life

🌍 Eco-Friendly Design – R32 refrigerant with reduced environmental impact and superior energy efficiency

🔧 Three-Phase Power – Stable, efficient power delivery ideal for commercial installations and larger properties

🚀 Advanced Full-Inverter Technology Explained

Unlike traditional on/off heat pumps that operate at a single speed, the Inverter+ IPHR70T uses sophisticated Full-Inverter technology with twin-rotary DC compressors to continuously optimize performance:

How It Works:

Initial Heating Phase – When your pool temperature is below the set point, the system operates at 100% capacity to rapidly bring the water to your desired temperature

Maintenance Phase – Once the target temperature is reached, the system intelligently modulates down to approximately 50% power to maintain consistent temperature with minimal energy consumption

Continuous Optimization – The advanced control system monitors multiple parameters including water temperature, ambient conditions, and thermal dynamics to adapt output in real-time

The Result? Consistent water temperatures, dramatically reduced energy consumption, elimination of temperature fluctuations, virtually silent operation during maintenance heating, and extended equipment lifespan due to reduced start/stop cycles.

📄 Downloads & Documentation

Installation & User Manual 📥
Download Complete Manual (opens in new tab)

This comprehensive 29-page manual includes detailed installation instructions, complete technical specifications, electrical wiring diagrams for both heating priority and parallel connection options, WiFi setup guide with app configuration, troubleshooting procedures, failure code reference, maintenance schedules, and winterization procedures. Essential reading for installers and facility managers.

💡 Two Operating Modes for Maximum Flexibility

Smart Mode (Recommended for Most Use)

Heating Capacity: 20% to 100%
Best For: Day-time operation and initial heat-up
Advantages: Fastest heating performance, intelligent capacity optimization, maximum efficiency across all conditions

Silence Mode (Perfect for Night Operation)

Heating Capacity: 20% to 80%
Best For: Night-time operation in noise-sensitive areas
Advantages: 3dB(A) quieter than Smart mode, reduced impact on neighbors, still maintains excellent efficiency

💡 Pro Tip: Use Smart mode for rapid initial heating, then switch to Silence mode for overnight temperature maintenance in residential areas or noise-sensitive locations.

📊 Complete Technical Specifications

Performance Data

Recommended Pool Volume: 65-120 m³ (14,300 – 26,400 gallons)

At Air 28°C, Water 26°C, Humidity 80% (Optimal Conditions)

• Heating Capacity: 28.9 kW
• COP Range: 16.2 to 6.9
• COP at 50% Capacity: 11.9
• Rated Input Power: 0.55 – 3.9 kW
• Rated Input Current: 0.79 – 5.6 A

At Air 15°C, Water 26°C, Humidity 70% (UK Spring/Autumn)

• Heating Capacity: 18.0 kW
• COP Range: 8.1 to 4.8
• COP at 50% Capacity: 6.8
• Rated Input Power: 0.55 – 3.9 kW
• Rated Input Current: 0.79 – 5.6 A

Electrical Specifications

• Power Supply: 3-Phase 400V / 50Hz (380-415V operating range)
• Recommended Breaker: 9.0A with 30mA residual current protection
• Recommended Fuse: 9.0A
• Power Cord: 5 × 2.5 mm² (for installations ≤10m)
• Signal Cable: 3 × 0.5 mm² (extendable to 50m)

⚠️ Important: Professional installation by qualified electricians is required for all three-phase equipment.

Acoustic Performance

• Sound Pressure at 1m: 43.5 – 54.9 dB(A) depending on operating speed
• Sound Pressure at 10m: 23.5 – 34.9 dB(A) depending on operating speed

🔇 Noise Context: At 10 meters distance during maintenance mode (50% capacity), the unit produces approximately 23.5 dB(A) – quieter than a whisper (30 dB) and barely perceptible.

Water Flow Requirements

• Recommended Flow Rate: 10 – 12 m³/hour
• Water Connections: 50mm PVC unions (inlet and outlet)
• Heat Exchanger: Spiral titanium tube in PVC housing

Refrigeration System

• Compressor Type: Twin-rotary Mitsubishi DC inverter
• Refrigerant: R32 (environmentally friendly)
• Refrigerant Charge: 2000g
• GWP (Global Warming Potential): 675
• CO₂ Equivalent: 1.350 tonnes

Physical Dimensions & Weight

• Dimensions (L×W×H): 1084 × 429 × 948 mm
• Net Weight: 93 kg
• Casing Material: Aluminum-alloy for corrosion resistance

Operating Conditions

• Operating Air Temperature Range: -10°C to +43°C
• Heating Temperature Setting Range: 18°C to 40°C
• Ideal Performance Range: Air temperature 15°C to 25°C

🌡️ Real-World Heat-Up Performance Estimates

Understanding how quickly this heat pump can heat your pool helps you plan usage and set realistic expectations. Below are estimated heat-up times based on the IPHR70T’s 18.0 kW heating capacity at 15°C air temperature (typical UK spring/autumn conditions).

Heat-Up Time Calculation Table

Pool Volume	5°C Rise	10°C Rise	15°C Rise
60 m³ (13,200 gal)	22 hours	43 hours	65 hours
70 m³ (15,400 gal)	25 hours	50 hours	76 hours
80 m³ (17,600 gal)	29 hours	58 hours	87 hours
90 m³ (19,800 gal)	33 hours	65 hours	98 hours
100 m³ (22,000 gal)	36 hours	72 hours	109 hours
110 m³ (24,200 gal)	40 hours	80 hours	120 hours
120 m³ (26,400 gal)	43 hours	87 hours	130 hours

Example: Heating an 80 m³ pool from 15°C to 25°C (10°C rise) would take approximately 58 hours of continuous operation.

Important Notes About Heat-Up Times ⚠️

These estimates are calculated using the standard formula and 18.0 kW heating capacity at 15°C air temperature. Actual heat-up times will vary based on:

Factors That Increase Heating Time:

• Colder ambient air temperatures reduce heating capacity
• Uncovered pools lose heat to evaporation and radiation
• Windy conditions accelerate heat loss
• Lower water flow rates reduce efficiency
• Shaded pool locations

Factors That Decrease Heating Time:

• Warmer ambient air temperatures increase heating capacity
• Pool covers dramatically reduce heat loss (can reduce time by 50-70%)
• Sheltered pool locations
• Optimal water flow rates

💡 Professional Recommendation: Always use a quality pool cover when not swimming to retain heat and dramatically reduce operating costs. A pool cover can reduce heat-up times by 50% or more.

🏊 Pool Sizing & Suitability Guide

Choosing the correct heat pump capacity for your pool size is crucial for efficient operation and cost-effective heating.

Ideal Pool Volumes for IPHR70T

• Optimal Range: 65 – 120 m³ (14,300 – 26,400 gallons)
• Minimum Recommended: 60 m³ (13,200 gallons)
• Maximum Recommended: 130 m³ (28,600 gallons)

Why Proper Sizing Matters

Correctly Sized (Sweet Spot):

• Heat pump operates in its most efficient range
• Achieves ideal balance between heat-up speed and running costs
• Majority of operation at quieter, lower speeds
• Extended equipment lifespan
• Optimal energy savings

Undersized Heat Pump:

• Struggles to reach target temperature
• Runs continuously at maximum capacity
• Higher running costs
• Increased wear on components
• Poor performance in colder weather

Oversized Heat Pump:

• Higher initial purchase cost
• Less efficient operation due to short cycling
• May not reach optimal efficiency range

Pool Volume Calculator

Not sure of your pool volume? Here’s how to calculate:

Rectangular Pools:
Length (m) × Width (m) × Average Depth (m) = Volume (m³)

Circular Pools:
Radius² (m) × 3.14 × Average Depth (m) = Volume (m³)

Oval Pools:
Length (m) × Width (m) × Average Depth (m) × 0.89 = Volume (m³)

Example: A rectangular pool 12m × 6m × 1.5m deep = 108 m³ (perfect for IPHR70T)

💰 Running Cost Comparison & Energy Savings

One of the most compelling reasons to choose the Inverter+ IPHR70T is its exceptional efficiency that translates directly into lower operating costs.

Annual Energy Cost Estimates*

Based on heating a 90 m³ pool for 6 months (April-September) in the UK:

Inverter+ IPHR70T Heat Pump:

• Average COP: 6.5 (typical seasonal performance)
• Estimated annual electricity cost: £600 – £900
• Annual CO₂ emissions: ~1,200 kg

Traditional On/Off Heat Pump:

• Average COP: 4.0
• Estimated annual electricity cost: £975 – £1,460
• Annual CO₂ emissions: ~2,000 kg

Electric Resistance Heater:

• COP: 1.0 (direct conversion)
• Estimated annual electricity cost: £3,900 – £5,850
• Annual CO₂ emissions: ~8,000 kg

Gas Boiler:

• Efficiency: ~85%
• Estimated annual gas cost: £1,300 – £1,950
• Annual CO₂ emissions: ~3,500 kg

Potential Savings with Inverter+ Technology

Compared to a traditional heat pump: Save £375 – £560 per year
Compared to electric heating: Save £3,300 – £4,950 per year
Compared to gas heating: Save £700 – £1,050 per year

🌍 Environmental Impact: The IPHR70T reduces CO₂ emissions by 800-6,800 kg annually compared to alternative heating methods – equivalent to driving 2,000-17,000 fewer miles per year.

Based on UK average electricity rates of £0.24/kWh and gas at £0.06/kWh. Actual costs vary based on energy tariffs, usage patterns, pool size, ambient temperatures, and whether a pool cover is used.

📱 Smart WiFi Control & Monitoring

The integrated WiFi module with dedicated smartphone app puts complete control of your pool heating at your fingertips, whether you’re at home or abroad.

App Features & Benefits

Remote Temperature Control

• Adjust target temperature from anywhere in the world
• Switch between Smart and Silence modes remotely
• Power the heat pump on or off without visiting the equipment area

Intelligent Scheduling

• Create custom heating schedules to match your usage patterns
• Set different temperatures for different days
• Pre-heat pool before your arrival at holiday properties
• Automatic temperature reduction overnight to save energy

Real-Time Monitoring

• View current water inlet and outlet temperatures
• Monitor heating capacity percentage
• Check system status and operating mode
• Receive instant notifications of any issues

Energy Management

• Track detailed energy consumption data
• Identify optimization opportunities
• Monitor COP performance in real-time
• Estimate running costs based on usage

Maintenance Alerts

• Proactive notifications for scheduled maintenance
• Error code alerts with descriptions
• Filter cleaning reminders
• System diagnostic information

WiFi Setup Made Simple

The installation manual provides complete step-by-step instructions for connecting your heat pump to WiFi, including app download, account registration, device binding, and family sharing features so multiple users can control the system.

🔧 Installation Requirements & Considerations

The IPHR70T requires professional installation by qualified technicians due to its commercial capacity and three-phase electrical requirements.

Location Requirements

Ventilation & Airflow:

• Minimum 250mm clearance in front of air inlet
• Minimum 620mm clearance in front of air outlet
• Adequate space for air circulation on all sides
• Never install in enclosed spaces or indoors

Foundation:

• Solid concrete base or anti-vibration mounting pad
• Must be level and capable of supporting 93kg
• Foundation bolts (M10) required for secure mounting
• Ensure proper drainage for condensation water

Proximity to Pool:

• Recommended maximum distance: 10m from pool
• Shorter pipe runs improve efficiency
• Hard pipe connections required (soft hoses not supported)
• 50mm PVC unions for water connections

Electrical Requirements ⚡

Critical Installation Points:

• Three-phase 400V supply (380-415V operating range)
• 9.0A circuit breaker with 30mA RCD protection
• 9.0A fuses
• 5 × 2.5 mm² power cable (for runs ≤10m; increase for longer runs)
• Professional earthing connection mandatory
• Hard-wired installation (no plug connections)

⚠️ Safety First: All electrical work must be performed by Part P registered electricians in compliance with BS 7671 wiring regulations and local building codes.

Water Flow Requirements

Pump Specifications:

• Flow rate: 10-12 m³/hour required
• Maximum head: ≥10m
• Pump must be compatible with three-phase heat pump control
• Consider heating priority wiring options (see manual appendices)

Piping Best Practices:

• Use rigid PVC pipe only (no flexible hose at connections)
• Install isolation valves for maintenance
• Include bypass option for summer filtration
• Ensure proper flow direction (marked on unit)
• Water unions cannot support pipe weight

Climate Considerations

Winter Protection:

• Must drain completely if not in use below 2°C
• Condensation drainage pipe required
• Consider heating priority wiring for automatic frost protection
• Full winterization instructions in manual

Year-Round Operation:

• Effective down to -10°C ambient temperature
• Automatic defrost function included
• Performance reduces in colder conditions (see specifications)
• Most efficient between 15-25°C air temperature

🛠️ Maintenance & Longevity

Proper maintenance ensures your investment delivers reliable, efficient performance for many years.

Annual Professional Maintenance

Recommended Once Per Year by Qualified Technician:

• Complete system inspection
• Refrigerant pressure check
• Electrical connection testing
• Heat exchanger inspection
• Compressor performance assessment
• Control system diagnostics
• Cleaning of evaporator coils
• Verification of safety devices

Regular User Maintenance

Monthly Checks:

• Clean evaporator fins with household detergent or water (never use gasoline, thinners, or fuels)
• Inspect for any unusual sounds during operation
• Check for proper water flow
• Verify WiFi connectivity functioning

Weekly During Operation:

• Monitor temperature performance
• Check for any error codes
• Ensure air inlet/outlet are unobstructed
• Verify normal operational sounds

Before Each Season:

• Professional pre-season service recommended
• Test all functions after winter storage
• Verify water connections for leaks
• Update WiFi app if needed

Winterization Procedure

When not using your pool during winter (temperatures below 2°C):

Step 1: Power off the heat pump at the main circuit breaker

Step 2: Turn off circulation pump

Step 3: Unscrew both water union connections (inlet and outlet)

Step 4: Allow all water to drain completely from the heat exchanger

Step 5: Leave unions slightly loose to prevent freeze damage

⚠️ Critical Warning: Failure to drain the unit can result in ice damage to the titanium heat exchanger, which is not covered under warranty.

Troubleshooting Common Issues

The manual includes comprehensive troubleshooting guides for all error codes including:

Non-Fault Conditions (No Action Needed):

• 3-minute compressor start delay
• Automatic defrost cycles
• Operating range limitations
• Normal capacity modulation

Fault Conditions (Require Attention):

• No water flow protection (E3)
• Power supply issues (E5)
• Insufficient water flow (E6)
• Temperature sensor failures (P1-P9 series)
• Refrigeration system protections (E1, E2, E8)

All error codes are clearly displayed on the controller with detailed explanations and solutions provided in the manual.

❓ Frequently Asked Questions

General Operation

Q: How long does it take to heat my pool?

A: Heat-up time depends on your pool volume, starting temperature, target temperature, and ambient air temperature. For example, heating an 80m³ pool by 10°C typically takes around 58 hours of continuous operation at 15°C air temperature. Using a pool cover can reduce this by 50% or more. See our detailed heat-up tables above for specific estimates.

Q: Can I run the heat pump in cold weather?

A: Yes, the IPHR70T operates in ambient temperatures from -10°C to +43°C. However, heating capacity reduces in colder conditions. The unit performs best between 15-25°C air temperature. Automatic defrost cycles activate when needed to maintain efficiency.

Q: How much does it cost to run?

A: Running costs vary based on pool size, target temperature, local climate, and your electricity tariff. For a typical 90m³ pool heated from April to September in the UK, expect annual electricity costs of £600-£900 – significantly less than traditional heating methods. The inverter technology can save up to 50% compared to conventional heat pumps.

Q: Do I need to leave it running 24/7?

A: During the initial heat-up phase, continuous operation is recommended. Once the target temperature is reached, the unit will modulate down to maintenance mode and cycle on/off as needed. You can use the WiFi app to create schedules that optimize energy use based on your swimming patterns.

Installation & Technical

Q: Can I install this myself?

A: No. Due to the three-phase electrical requirements and commercial capacity, professional installation by qualified electricians and pool technicians is mandatory. This ensures safety, optimal performance, and warranty compliance.

Q: What size pool is this suitable for?

A: The IPHR70T is designed for pools between 65-120 m³ (14,300-26,400 gallons). It can handle slightly smaller (60m³) or larger (130m³) pools but operates most efficiently within the recommended range.

Q: Do I need three-phase power?

A: Yes, this model requires a three-phase 400V electrical supply. Three-phase power is common in commercial properties and some larger residential properties. If you only have single-phase power, consider the single-phase IPHR70 model (similar capacity) instead.

Q: What maintenance does it require?

A: Monthly cleaning of the evaporator coils, annual professional servicing, and complete winterization if not using below 2°C. The titanium heat exchanger requires no special maintenance but must be fully drained if freezing conditions are possible.

Smart Features

Q: How do I set up the WiFi connection?

A: The manual includes complete WiFi setup instructions. You’ll download the app, create an account, put the unit into pairing mode (hold the WiFi button for 3 seconds), and follow the in-app instructions. The system works with 2.4GHz WiFi networks.

Q: Can multiple people control the heat pump?

A: Yes, the app supports family sharing. The primary account holder can share device access with other family members or staff, who can then control the system from their own devices.

Q: What if my internet goes down?

A: The heat pump continues normal operation based on its last settings. You can still control it using the physical controller buttons on the unit. WiFi features restore automatically when internet connection returns.

Efficiency & Performance

Q: What is the difference between Smart and Silence modes?

A: Smart mode allows the heat pump to use its full 20-100% capacity range for fastest heating. Silence mode limits maximum capacity to 80% but reduces noise by 3dB(A), making it ideal for night-time operation in noise-sensitive areas. Both modes automatically modulate capacity based on demand.

Q: Will this work with my saltwater pool?

A: Yes, the titanium heat exchanger is specifically designed to resist corrosion from both traditional pool chemicals and saltwater systems.

Q: How quiet is it really?

A: At 10 meters distance during maintenance mode, the IPHR70T produces approximately 23.5 dB(A) – quieter than a whisper and barely noticeable. Even at full capacity, it’s significantly quieter than conventional heat pumps thanks to the twin-rotary DC inverter compressors.

Warranty & Support

Q: What warranty is included?

A: Warranty terms should be confirmed with your supplier at time of purchase. Professional installation and annual servicing are typically required to maintain warranty coverage.

Q: What if I get an error code?

A: The manual includes a complete error code reference (Section 7) with descriptions and solutions. Many issues can be resolved by checking water flow, cleaning filters, or resetting the unit. For persistent issues, contact your installer or authorized service center.

Q: Can it heat my pool in winter?

A: The unit operates down to -10°C ambient temperature, but heating capacity reduces significantly in cold weather. It’s most efficient as a spring/summer/autumn heating solution. For year-round swimming in the UK climate, consider supplemental heating or a larger capacity unit.

🌟 What Makes the Inverter+ IPHR70T Stand Out?

Commercial-Grade Construction

Unlike residential heat pumps adapted for commercial use, the IPHR70T is purpose-built for demanding professional applications with industrial-quality components throughout.

True Full-Inverter Technology

Many “inverter” heat pumps only have inverter-driven compressors. The IPHR70T features complete inverter control of all major components for maximum efficiency and performance optimization.

Twin-Rotary Mitsubishi Compressors

Premium Japanese-made compressors deliver exceptional reliability and efficiency while producing minimal vibration and noise.

Titanium Heat Exchanger

Superior corrosion resistance compared to stainless steel, essential for long-term reliability in chemical and saltwater environments.

R32 Refrigerant

Modern, environmentally-responsible refrigerant with lower global warming potential than older R410A systems.

Comprehensive Smart Control

Not just basic WiFi – the app provides detailed monitoring, scheduling, energy tracking, and maintenance alerts for professional facility management.

✅ What’s Included

• Inverter+ 27.3kW 3-Phase Heat Pump unit (IPHR70T)
• Integrated WiFi module (pre-installed)
• User control panel with digital display
• Condensation drainage tube
• Installation and user manual (29 pages)
• 50mm PVC water inlet/outlet unions
• Manufacturer documentation

Required But Not Included:

• Three-phase electrical connection (professional installation)
• Water circulation pump (10-12 m³/hour capacity)
• Hard PVC piping and fittings
• Electrical breakers, fuses, and wiring
• Concrete mounting pad or anti-vibration base
• Pool cover (highly recommended for efficiency)

📞 Need Expert Advice?

Choosing the right heat pump for your commercial or large residential pool is an important investment decision. If you have questions about:

• Pool compatibility and sizing
• Three-phase electrical requirements
• Installation planning
• Running cost projections
• Comparison with other models
• Commercial application specifics

Please don’t hesitate to contact us for personalized assistance. Our team has extensive experience with commercial pool heating systems and can help ensure you select the perfect solution for your specific requirements.

🔒 Purchase with Confidence

When you choose the Inverter+ IPHR70T from Parts4Tubs, you’re selecting a premium commercial heat pump backed by proven technology, professional support, and our commitment to your satisfaction.

Key Product Information:

• Model: IPHR70T (three-phase)
• SKU: 1764397227
• Category: InverX Inverter+ Range
• Manufacturer: Fairland (distributed by Ecofer)

Ready to transform your pool heating efficiency? Add the Inverter+ 27.3kW 3-Phase Heat Pump to your cart today and start enjoying lower running costs, quieter operation, and intelligent WiFi control.

💚 Eco-conscious choice | ⚡ Up to 50% energy savings | 📱 Smart WiFi control | 🔇 Ultra-quiet operation | 🏗️ Commercial-grade quality