March 28, 2020

Carrier 50YFV Heat Pump Table of Contents Model Nomenclature General

Carrier 50YFV Heat Pump Table of Contents Model Nomenclature General - page 1

Table of Contents

Model Nomenclature 

3

General Information 

4

Pre-Installation 4

Vertical Installation 

5

Horizontal Installation 

6-8 

Condensate and Water Connections 

9

Integrated Variable-Speed Water Flow 

10

Control Heat Pump Applications Overview

Closed Loop Applications 

11

with Internal Flow Control

Flushing the Earth Loop 

12-14

Multiple Unit Piping and Flushing 

15-17

Ground Loop Applications 

18-19

Closed Loop – External Central 

20

Pumping Applications

Open Loop or Ground Water Systems 

21-22

Water Quality Requirements 

23 

Hot Water Generator 

24-26

Electrical – Line Voltage 

27

Electrical – Low Voltage Wiring 

28

Thermostat Wiring 

29

Wiring Diagrams 

30-33

ECM Blower Control 

34

Blower Data 

35

DXM2 Controls 

36-37

Low Water Temperature Cutout Selection 

37

Unit Commissioning 

38

and Operating Conditions 

Unit and System Checkout 

39

Unit Start-Up Procedure 

39-41

Unit Operating Conditions 

41-43

Performance Data (Full Load) 

44-49

Preventive Maintenance 

50

Troubleshooting  

51-52

DXM2 Troubleshooting 

53 

Functional & Performance Troubleshooting 

54-57

Troubleshooting Form 

58

Warranty  

59 

Revision History 

60

GT-PB Series (50YFV, 50YFH Models)

Installation, Operation and Maintenance Instructions

Residential Digital Horizontal & Vertical Packaged

Geothermal Heat Pumps

97B0046N05 

Created: 1 Oct., 2012




Table of Contents Model Nomenclature  3 General Information  4 Pre-Installation 4 Vertical Installation  5 Horizontal Installation  6-8  Condensate and Water Connections  9 Integrated Variable-Speed Water Flow  10 Control Heat Pump Applications Overview Closed Loop Applications  11 with Internal Flow Control Flushing the Earth Loop  12-14 Multiple Unit Piping and Flushing  15-17 Ground Loop Applications  18-19 Closed Loop – External Central  20 Pumping Applications Open Loop or Ground Water Systems  21-22 Water Quality Requirements  23  Hot Water Generator  24-26 Electrical – Line Voltage  27 Electrical – Low Voltage Wiring  28 Thermostat Wiring  29 Wiring Diagrams  30-33 ECM Blower Control  34 Blower Data  35 DXM2 Controls  36-37 Low Water Temperature Cutout

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