Table of Contents
Model Nomenclature
3
Storage 4
Pre-Installation 4
Horizontal Installation
5
Field Conversion of Air Discharge
7
Duct System Installation
8
Condensate Piping Installation
8
Vertical Installation
9
Water Connections
11
Ground Loop Applications
11-12
Open Loop - Ground Water Systems
13
Water Quality Standards
15
Hot Water Generator
16-18
Electrical - Line Voltage
19
Electrical - Power Wiring
20
Electrical - Low Voltage Wiring
21
Low Water Temperature Cutout Selection
21
Water Valve Wiring
22
Thermostat Wiring
23
ECM Blower Control
24-25
Blower Data
26-28
CXM Controls
29
CXM Control Features
30-32
Unit Commissioning
and Operating Conditions
33
Unit and System Checkout
34
Unit Start-Up Procedure
35
Unit Operating Conditions
36-41
Preventive Maintenance
42
Troubleshooting
43-44
Functional Troubleshooting
45-46
Troubleshooting Form
47
Warranty
48
Revision History
52
GT-PX Series (50YDV, 50YDH, 50YDD Models) GT-PG Series
(50YEV, 50 YEH, 50YED Models)
Installation, Operation and Maintenance Instructions
Residential Horizontal & Vertical Packaged
Geothermal Heat Pumps
97B0046N03
Revised 4 Jan., 2012
