ClimateMaster Tranquility 16 Series User Manual

52 pages

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Tranquility

(TC) Series

Commercial Horizontal

& Vertical Packaged

Water-Source Heat Pumps

50HZ-HFC-410A

INSTALLATION, OPERATION

MAINTENANCE

97B0075N02

Revised: 25 July, 2017

Table of Contents

Model Nomenclature 3

General Information 4

Unit Physical Data 6

Horizontal Installation 7

Field Conversion of Air Discharge 10

Horizontal Installation 11

Duct System Installation 12

Vertical Installation 13

Piping Installation 16

Water-Loop Heat Pump Applications 17

Ground-Loop Heat Pump Applications 18

Ground-Water Heat Pump Applications 20

Water Quality Standards 22

Electrical - Line Voltage 23

Electrical - Power Wiring 24

Electrical - Power & Low Voltage Wiring 25

Electrical - Low Voltage Wiring 26

Electrical - Thermostat Wiring 27

Typical Wiring Diagrams 28

CXM Controls 34

DXM Controls 35

CXM and DXM Controls 37

Operating Limits 39

Piping System Cleaning and Flushing 40

Unit Starting and Operating Conditions 41

Unit Start-Up Procedure 42

Preventive Maintenance 44

Functional Troubleshooting 45

Performance Troubleshooting 46

Functional Troubleshooting - S-I Units 47

Warranty 48

Revision History 52

Questions and Answers:

B
Benjamin MooreSep 12, 2025
What causes Over/Under Voltage Code 7 on ClimateMaster Heat Pump?
- E
  eramirezSep 12, 2025
  If your ClimateMaster Heat Pump displays an Over/Under Voltage Code 7, check the power supply and 24VAC voltage before and during operation. Also, check the power supply wire size. If it's an undervoltage issue, consider whether the compressor needs a hard start kit. Ensure the 24VAC and unit transformer tap are set for the correct power supply voltage. For overvoltage, verify the power supply voltage and 24VAC before and during operation, and check the 24VAC and unit transformer tap.
N
Nicole HawkinsSep 14, 2025
What to do if my ClimateMaster Heat Pump has main power problems?
- R
  Rachel RiceSep 14, 2025
  If your ClimateMaster Heat Pump has main power problems, and the Green Status LED is off, check the line voltage circuit breaker and disconnect. Also, check for line voltage between L1 and L2 on the contactor, for 24VAC between R and C on CXM/DXM, and the primary/secondary voltage on the transformer.

ClimateMaster Tranquility 16 Series Specifications

General

Refrigerant	R-410A
Type	Water Source Heat Pump
Efficiency Rating (Cooling)	Up to 16 EER
Efficiency Rating (Heating)	Up to 4.0 COP
Compressor Type	Scroll Compressor
Voltage Options	208-230V, 1-phase
Application	Geothermal
Stages	Single Stage
Cooling Capacity	0.5 to 6 tons
Heating Capacity	0.5 to 6 tons

Summary

Model Nomenclature

General Overview

Provides a general overview of the model nomenclature system.

General Information

Safety and Precautions

Details important safety warnings, cautions, and notices for installation and service.

Pre-Installation Guidelines

Outlines essential checks and preparations before installing the unit.

Horizontal Unit Installation

Location and Mounting

Specifies requirements for selecting and mounting horizontal units.

Air Discharge Field Conversion

Side to Back Discharge Conversion

Instructions for converting air discharge from side to back.

Back to Side Discharge Conversion

Instructions for converting air discharge from back to side.

Left vs. Right Return Air

Notes on the limitations of converting return air paths.

Horizontal Unit Condensate Piping

Duct System Installation

Vertical Unit Installation and Location

Location and Mounting

Details site selection, mounting, and clearance requirements for vertical units.

Vertical Unit Sound Attenuation

Vertical Unit Condensate Piping

Piping Installation Guidelines

Supply and Return Piping

Provides guidelines for installing supply and return piping, including bend radii.

Commercial Water Loop Systems

Water-Loop Heat Pump Systems

Ground-Loop Heat Pump Systems

Pre-Installation and Testing

Covers pre-installation steps, loop testing, and flushing for ground loops.

Antifreeze Requirements

Details antifreeze selection and concentration for freeze protection.

Ground-Water Heat Pump Systems

Open Loop Systems

Describes installation and water quality considerations for open loop systems.

Water Coil Low Temp Limit Setting

Water Quality Standards

Electrical - Line Voltage Wiring

Transformer Requirements

Details transformer confirmation and wiring for dual voltage units.

Electrical - Power Wiring

Power Connection and Wiring

Explains line voltage power connection and compliance with electrical codes.

Blower Speed Selection

Describes how to change fan speed using PSC motor wiring.

Electrical - Low Voltage Wiring

Thermostat Connections

Details wiring the thermostat directly to the CXM or DXM control board.

Low Water Temperature Cutout Selection

Electrical - Low Voltage Wiring

Accessory Connections

Covers accessory connections and provides low voltage VA ratings.

Electrical - Thermostat Wiring

Thermostat Installation and Wiring

Guides thermostat placement, wiring, and connection to the control board.

Typical Wiring Diagram - Single Phase 50 Hz TC Units with CXM Controller

Typical Wiring Diagram - Single Phase 50 Hz TC Units with DXM Controller

Typical Wiring Diagram - Single Phase 50 Hz TC Units with CXM Controller and MPC (DDC) Controls

Typical Wiring Diagram - Three Phase 50 Hz TC Units with CXM Controller

Typical Wiring Diagram - Three Phase 50 Hz TC Units with DXM Controller

Typical Wiring Diagram - Three Phase 50 Hz TC Units with DXM Controller and MPC (DDC) Controls

CXM Control Features

CXM Control Details

Details CXM control information, selectable inputs, and retry modes.

Field Configuration Options

Explains field configuration options for temperature limits and DIP switches.

DXM Control Features

DXM Control Details

Details DXM control, selectable inputs, and retry modes.

DXM Field Configuration Options

Explains field configuration options for temperature limits, alarm relays, and DIP switches.

Thermostat and Dehumidification Settings

Boilerless Operation Settings

Details boilerless operation and temperature changeover setpoints.

Accessory Relay Personality

Defines accessory relay personality and DIP switch settings for ACC1 and ACC2.

CXM/DXM Control Safety Features

Compressor Protection

Details anti-short cycle, random start, and lockout protections for the compressor.

Faults and Lockout Codes

Explains high/low pressure, temperature, and voltage fault conditions and lockout codes.

Unit Performance Sentinel (UPS)

Describes the UPS feature for detecting inefficient heat pump operation.

Thermistor Swap and ESD Detection

CXM/DXM Start-up Operation

Operating Limits and Conditions

Operating Conditions

Defines environmental, power supply, and operating condition parameters.

Commissioning Conditions

Specifies starting conditions for bringing the building space to occupancy temperatures.

Piping System Cleaning and Flushing

Unit Start-Up and Operating Conditions

Unit and System Checkout

Provides a comprehensive checkout list before powering the system and for system verification.

Unit Start-Up Procedure

Preventive Maintenance Schedule

Coil, Filter, and Drain Maintenance

Details maintenance for water coils, filters, and condensate drains.

Compressor, Fan Motor, and Air Coil Care

Covers periodic checks for compressors, fan motors, and cleaning the air coil.

Cabinet and Refrigerant System Checks

Outlines cabinet cleaning and refrigerant system checks for integrity.

Functional Troubleshooting

Performance Troubleshooting

Functional Troubleshooting (S-I Units)

Warranty

Revision History

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