Johnson Controls TM8M/TMLM*MP, YM8M/YMLM*MP, LM8M/LMLM*MP Modulating Furnace, TWO Stage Heat Pump

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368261-UIM-A-0508

THERMOSTAT

THERMOSTAT

 

 

*PP32U70124

*DN22H00124

*DP22U70124

 

 

 

C

C

24 – Volt Common

24 – Volt Common

 

 

Y

Y1

First Stage Compressor

First Stage Compressor

 

 

R

R

24 – Volt Hot

24 – Volt Hot

(Heat XFMR)

 

G

G

Fan

Fan

 

 

E

 

Emergency Heat

 

 

 

 

W2

 

Second Stage Aux. Heat

 

 

RC

 

24 – Volt Hot

 

(Cool XFMR)

 

O/B

O

Reversing Valve

Reversing Valve

Energized in Cool

 

L

L

Malfunction Light

Malfunction Light

 

 

Y2

Y2

Second

Second

Stage Compressor

Stage Compressor

AUX

E/W1

Auxiliary Heat

First Stage Aux. Heat

 

 

 

 

3

External Humidistat

(Optional)

 

 

Open on Humidity Rise

 

 

Thermostat Installer Setup

Step 1 of Thermostat

0170-System Type-

Installer/Configuration

must be set to 12

Menu must be set to “HP2”

3 Heat/2 Heat Pump

Selection of GAS/ELEC

Thermostat Installer Setup

switch on thermostat

0190-Changeover Valve-

not necessary

must be set to 0

 

O/B terminal

 

Energized in Cooling

 

Thermostat Installer Setup

 

0200-Backup Heat Source-

 

must be set to 1

 

ID MODELS

TM(8,L)M

YM(8,L)M

CM(8,L)M

LM(8,L)M

MODULATING

FURNACE

MODULATING

2

FURNACE CONTROL

 

 

 

C

 

24 – Volt Common

 

 

 

Y1

 

Single

 

Stage Compressor

 

R

 

24 – Volt Hot

 

 

 

G

 

Fan

 

 

 

W

 

Modulating Heat

 

 

 

 

 

Y/Y2

 

Second or Full

 

Stage Compressor

 

O

 

Reversing Valve

 

Energized in Cool

 

LO COMP

 

Single Stage

 

Compressor (OUT)

 

HI COMP

 

Second Stage

 

Compressor (OUT)

 

 

 

DHUM

 

Dehumidification-

 

Open on Humidity Rise

 

Move HUMIDISTAT

jumper to “YES”

if humidistat is to be used.

Bonnet Sensor

(Optional)

OD MODELS

YZE

YZH

H*5

H*8

TWO STAGE

HEAT PUMP

YORKGUARD VI

1

CONTROL

 

 

 

C

24 – Volt Common

Y1

Single

Stage Compressor

R

24 – Volt Hot

W1 OUT

First Stage Heat

W2 OUT

Second Stage Heat

Y2 OUT

Second

Stage Compressor

O

Reversing Valve

Energized in Cool

X/L

Malfunction Light

Y2

Second

Stage Compressor

W

Auxiliary Heat

BSG

Bonnet Sensor

BS

Bonnet Sensor

Change FFuel jumper

on the heat pump control

to “ON”

Change Hot Heat Pump

jumper on the heat

pump control to “ON” if

Hot Heat Pump

Operation is desired.

Heat Pump Backup Heat

Source is Fossil Fuel

Thermostat Installer Setup

0210-External Fossil Fuel

Kit- must be set to 1

Heat Pump Control

is Controlling Heat Pump

Backup Heat

Part Numbers:

2

Part Numbers:

1

SAP

= Legacy

SAP = Legacy

 

 

 

126768 = 031-09137

 

 

 

 

 

 

18395

= 031-01996

 

 

 

340512 = 031-09178

 

FIGURE 25: Thermostat Chart - Two Stage Heat Pump – Variable Speed or PSC Modulating Furnace

Johnson Controls Unitary Products

17

Image 17
Contents Models Section I SafetyList of Sections List of FiguresSafety Requirements Specific Safety Rules and PrecautionsAnce to a 50 HZ Power Supply or a Voltage Above 130 Volts Combustion AIR Quality List of ContaminantsInspection Codes and StandardsDuctwork General Information Section II DuctworkFurnace Location and Clearances COIL/FURNACE Assembly MC/FC/PC Series Coils Floor Base and Ductwork Installation DownflowFurnace Assembly MC & FC Series Coils Coil Flange InstallationCoil / Furnace Assembly HC Series Coils Furnace Assembly PC Series CoilsDownflow Duct Connectors Critical Coil ProjectionAttic Installation Bottom Return and Attic InstallationsSuspended Furnace / Crawl Space Installation Horizontal ApplicationAttempt to install filters inside the furnace Filter InstallationSection III Filters Side ReturnGAS Piping Installation GAS SafetySection IV GAS Piping GAS Conversion for Propane LPHigh Altitude Natural GAS Orifice Conversion Section V Electrical PowerElectrical Power Connections Supply Voltage Connections LOW Voltage Control Wiring ConnectionsAIR Conditioner Connections Zoning OperationID Models ThermostatModulating TWO Stage AIR Furnace Conditioner UIM-A-0508 Single Stage Heat Pump Modulating Furnace OD ModelsThermostat TWO Stage Heat Pump Modulating FurnaceSection VII Vent System Section VI Twinning and StagingDampers, Louvers and Grilles Canada Only Combustion Air Source From OutdoorsAir Supply Openings and Ducts Free AreaVent and Supply Outside Air Safety Check Procedure Section Viii START-UP AdjustmentsVentilated Combustion Air NOx Screen Removal Lo-NOx Models OnlyCalculating the Furnace Input Natural GAS Setup Test ModeGAS Piping Leak Check Revolution Cu Ft Seconds ForAdjustment of Temperature Rise Adjustment of Manifold GAS PressureAdjustment of FAN Control Settings Section IX Safety ControlsBlower Door Safety Switch Rollout Switch ControlsFurnace Control Diagnostics Section X Normal Operation and DiagnosticsPressure Controls Limit ControlsDiagnostic Fault Code Storage and Retrieval Fabricated Parts Section XI Replacement Parts ListJohnson Controls Unitary Products York Drive Norman, OK Section XII Wiring Diagram

LM8M/LMLM*MP, TM8M/TMLM*MP, CM8M/CMLM*MP, YM8M/YMLM*MP specifications

Johnson Controls TM8M/TMLM*MP, YM8M/YMLM*MP, LM8M/LMLM*MP, and CM8M/CMLM*MP are advanced temperature controllers designed for a wide range of applications in heating, ventilation, and air conditioning (HVAC) systems. These models stand out due to their robust features, cutting-edge technologies, and specific characteristics that cater to both residential and commercial environments.

One of the main features of the TM8M/TMLM*MP series is its user-friendly interface that incorporates a large, easy-to-read display. This allows for quick adjustments and monitoring of temperature settings, making it accessible for both skilled technicians and everyday users. The intuitive design ensures that users can efficiently navigate through various settings and configurations.

Another notable characteristic is the flexibility of these controllers. The series supports multiple sensor configurations, enabling the integration of both wired and wireless sensors. This adaptability allows users to customize their climate control systems according to specific needs and room layouts, ultimately enhancing comfort and energy efficiency.

The TM8M/TMLM*MP and its counterparts are equipped with sophisticated algorithms that optimize energy consumption. By utilizing predictive maintenance and intelligent analytics, these controllers can adjust settings dynamically based on real-time data. This not only helps in reducing operational costs but also prolongs the lifespan of HVAC equipment.

Incorporating advanced communication protocols is a hallmark of the Johnson Controls series. The TM8M and CM8M models support modern systems such as BACnet and Modbus, allowing seamless integration with building management systems (BMS). This compatibility ensures that users can maintain centralized control over multiple systems, enhancing overall operational efficiency.

Additionally, the series is robustly constructed to withstand harsh environmental conditions. Its durable casing and reliable components ensure long-term performance, making it suitable for a variety of settings, including industrial facilities and commercial properties.

Safety features are also integral to the design of the TM8M/TMLM*MP and related models. Built-in safeguards protect against over-temperature and other potential hazards, ensuring reliability and peace of mind for operators.

In summary, Johnson Controls TM8M/TMLM*MP, YM8M/YMLM*MP, LM8M/LMLM*MP, and CM8M/CMLM*MP controllers represent a convergence of user-friendly design, advanced technology, flexibility, and safety. Their ability to adapt to diverse applications while optimizing energy use makes them a critical component in modern HVAC systems, ensuring comfort and efficiency in every environment.