Water Furnace E Series Installation Manual

The Water Furnace E Series is a high-efficiency geothermal heat pump system designed for residential and light commercial applications. This system utilizes ground-source heat exchange technology to provide heating, cooling, and domestic hot water with exceptional energy efficiency. Below are key sections covering safety, installation procedures, system setup, operation guidelines, maintenance requirements, and troubleshooting information.

1. Safety Precautions 2. System Overview 3. Pre-Installation Requirements 4. Installation Procedures 5. Electrical Connections 6. Ground Loop Installation 7. System Startup & Commissioning 8. Operating Instructions 9. Maintenance Schedule 10. Technical Specifications 11. Troubleshooting Guide

Safety Precautions

Critical safety information for installers and technicians working with the Water Furnace E Series geothermal system.

Hazard	Precaution
Electrical shock	Disconnect all power before servicing; follow local electrical codes
Refrigerant handling	Use proper PPE; recover refrigerant according to EPA guidelines
High pressure systems	Release pressure before opening loop connections
Heavy equipment	Use proper lifting techniques; secure unit during installation
Chemical exposure	Wear gloves and eye protection when handling antifreeze solutions

System Overview

The E Series features advanced compressor technology, variable-speed operation, and smart control systems for optimal performance.

Compressor: Scroll compressor with soft-start technology
Heat Exchanger: Copper tube with enhanced fin design
Controls: Advanced microprocessor with diagnostic capabilities
Operating Modes: Heating, Cooling, Hot Water Generation
Efficiency Ratings: Up to 30 EER and 5.0 COP

Pre-Installation Requirements

Site preparation and equipment needed before installation begins.

Verify adequate space for unit placement and service access
Ensure proper foundation or mounting surface
Confirm electrical service meets unit requirements
Plan ground loop routing and connections
Check local building codes and permit requirements

WARNING! Installation must be performed by qualified HVAC technicians only.

Installation Procedures

Step-by-step installation guidelines for the E Series geothermal unit.

Position unit on level surface with proper clearance
Install vibration isolation pads if required
Connect ground loop piping using proper sealants
Install air handler or ductwork connections
Connect domestic hot water heat exchanger if equipped
Install condensate drain line with proper slope

CAUTION! Ensure all piping connections are leak-free before proceeding.

Electrical Connections

Proper wiring and electrical connections for safe operation.

Connection	Specification
Main Power	208/230V, 60Hz, dedicated circuit
Control Voltage	24VAC from thermostat
Grounding	Proper equipment grounding required
Circuit Protection	Time-delay fuses or HACR breaker
Wire Sizing	Follow NEC guidelines for ampacity

Ground Loop Installation

Guidelines for installing the geothermal ground loop system.

Determine loop type: vertical, horizontal, or pond/lake
Pressure test loop before connection to unit
Purge air from system using proper flushing equipment
Add appropriate antifreeze solution for climate
Insulate above-ground piping to prevent freezing

Tip: Document loop length and configuration for future reference.

System Startup & Commissioning

Procedures for initial system startup and performance verification.

Verify all electrical connections are secure
Check refrigerant charge and loop pressure
Program thermostat settings and operating modes
Test all safety controls and limit switches
Measure temperature differentials and airflow
Record operating parameters for baseline data

WARNING! Do not operate system with low refrigerant charge.

Operating Instructions

Guidelines for proper system operation and user controls.

Thermostat Settings: Program heating/cooling setpoints
Mode Selection: Auto, Heat, Cool, Emergency Heat
Fan Operation: Auto or Continuous operation
Hot Water Priority: Domestic hot water generation settings
Setback Programming: Energy-saving temperature adjustments

Maintenance Schedule

Recommended maintenance intervals for optimal system performance.

Interval	Maintenance Task
Monthly	Check and replace air filters
Annually	Inspect electrical components and connections
Annually	Check refrigerant charge and loop pressure
Every 3-5 Years	Flush and clean ground loop system
As Needed	Clean coils and check drain lines

Technical Specifications

Detailed technical data for the Water Furnace E Series models.

Heating Capacity: 2-6 tons (24,000-72,000 BTU/h)
Cooling Capacity: 2-6 tons (24,000-72,000 BTU/h)
COP (Heating): 4.0-5.2
EER (Cooling): 20.0-30.0
Sound Level: 55-65 dBA
Refrigerant: R-410A
Operating Pressure: 50-100 PSI (loop side)
Warranty: 10 years compressor, 5 years parts

Troubleshooting Guide

Common issues and solutions for the E Series geothermal system.

Symptom	Possible Cause	Corrective Action
Unit not starting	Power supply, thermostat, safety lockout	Check circuit breaker, thermostat settings, reset if needed
Insufficient heating/cooling	Low refrigerant, dirty filters, loop issues	Check charge, replace filters, verify loop flow
High pressure fault	Restricted loop, air in system	Check loop valves, purge air from system
Water leakage	Condensate drain clogged, pipe connection	Clear drain line, check pipe fittings
Unusual noises	Loose components, compressor issues	Tighten mounting hardware, check compressor mounting

Technical Support: 1-800-222-4522; www.waterfurnace.com

Emergency Service: Contact certified Water Furnace dealer