WaterFurnace 5 Series Manual

The WaterFurnace 5 Series is a high-efficiency geothermal heat pump system designed for residential and light commercial applications. This advanced system provides both heating and cooling capabilities with superior energy efficiency, utilizing ground-source heat exchange technology. Below are key sections covering safety, features, installation, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Installation Guidelines 3. Initial Setup 4. Technical Specifications 5. Controls and Settings 6. System Operation 7. Maintenance Procedures 8. Performance Optimization 9. Care & Maintenance 10. Regulatory Information 11. Troubleshooting Guide

Features at a Glance

Key components: Advanced compressor technology, dual-capacity operation, smart grid ready, variable speed blower, and integrated control system.

Feature	Description
Compressor Technology	Two-stage scroll compressor for enhanced efficiency
Dual-Capacity Operation	Automatic adjustment between high and low stages
Smart Grid Ready	Compatible with utility demand response programs
Variable Speed Blower	ECM motor for precise airflow control
Control System	Intuitive touchscreen interface with advanced diagnostics
Heat Exchanger	Stainless steel construction for durability
Refrigerant	R-410A environmentally friendly refrigerant
Sound Insulation	Advanced sound-dampening technology
Water Loop	Corrosion-resistant heat exchanger
Thermostat Interface	Compatible with most modern thermostats

Installation Guidelines

Professional installation required. Ensure proper site preparation and system compatibility.

Site Preparation: Level concrete pad or suspended mounting
Loop Field Connection: Connect ground loop piping with proper insulation
Electrical Connection: 208/230V single-phase power supply
Ductwork Connection: Properly sized and sealed duct system
Water Connections: Install isolation valves and flow control devices
Control Wiring: Connect thermostat and system controls

WARNING! Installation must be performed by qualified HVAC technician. Electrical shock hazard exists.

Initial Setup

Power on system and configure initial settings through control interface.

System Power: Turn on main electrical disconnect
Control Setup: Configure date, time, and system preferences
Thermostat Programming: Set heating/cooling setpoints and schedules
Mode Selection: Choose heating, cooling, or auto mode
Temperature Calibration: Verify sensor accuracy
Test Operation: Run system through complete cycle

CAUTION! Allow system to complete initial startup sequence without interruption.

Technical Specifications

Heating Capacity: 2-5 tons (24,000-60,000 BTU/h)
Cooling Capacity: 2-5 tons (24,000-60,000 BTU/h)
COP Heating: Up to 5.3
EER Cooling: Up to 41
Voltage: 208/230V, 1-phase
Refrigerant: R-410A
Sound Level: As low as 58 dBA
Water Flow: 3-11 GPM per ton
Operating Temp Range: -40°F to 150°F
Warranty: 10 years parts, 5 years labor

Controls and Settings

Access system controls through touchscreen interface or compatible thermostat.

Control Panel: POWER, MODE, FAN, TEMP UP/DOWN, MENU, ENTER.

System Settings: Operating mode (Heat/Cool/Auto), temperature setpoints, fan speed (Auto/Low/Med/High), schedule programming, system lockout, diagnostic codes. Advanced Settings: Compressor delay timers, auxiliary heat lockout, circulation pump control, smart grid settings.

System Operation

Automatic operation with manual override capabilities.

Startup: System performs self-check before operation
Heating Mode: Extracts heat from ground loop
Cooling Mode: Rejects heat to ground loop
Dual-Stage Operation: Automatically adjusts capacity
Auxiliary Heat: Supplemental electric heat when needed
Defrost Cycle: Automatic in heating mode

Tip: Maintain consistent temperature settings for optimal efficiency.

Maintenance Procedures

Regular maintenance ensures optimal performance and longevity.

Monthly: Check air filters, clean if necessary
Quarterly: Inspect condensate drain system
Annually: Professional inspection and service
Seasonal: Check loop pressure and antifreeze concentration
Biannual: Clean blower wheel and evaporator coil
As Needed: Calibrate sensors and controls

WARNING! Disconnect power before performing any maintenance.

Performance Optimization

Maximize system efficiency through proper settings and maintenance.

Set thermostat to energy-saving temperatures
Ensure proper airflow through clean filters
Maintain consistent loop temperatures
Utilize programmable scheduling features
Monitor system performance through diagnostics
Address service issues promptly

Care & Maintenance

Regular care extends system life and maintains efficiency.

Keep unit clear of debris and vegetation. Clean air filters monthly. Schedule annual professional maintenance. Monitor system performance indicators.

CAUTION! Do not attempt to service refrigerant system. Contact qualified technician.

Regulatory Information

UL Certified to UL 1995. Meets DOE energy efficiency standards. EPA compliant refrigerant usage. AHRI certified performance ratings. Manufactured in accordance with ISO 9001 quality standards. For technical support, visit www.waterfurnace.com or contact 1-800-222-4524.

Troubleshooting Guide

Symptom	Possible Cause	Corrective Action
No heating/cooling	Power loss, thermostat issue	Check circuit breaker, verify thermostat settings
Poor performance	Dirty filters, low airflow	Clean/replace filters, check ductwork
Unusual noises	Loose components, bearing wear	Inspect blower assembly, contact technician
High energy usage	Dirty coils, incorrect settings	Clean coils, verify thermostat programming
Error codes displayed	System fault, sensor failure	Reference code in manual, contact service

Reset: Power cycle system or use reset button if equipped.

Service: 1-800-222-4524; www.waterfurnace.com