Trane AHUMD200A 00BA Series Assembly instructions

Installer’s Guide

WARNING

THIS INFORMATION IS FOR USE BY INDIVIDUALS HAV-

ING ADEQUATE BACKGROUNDS OF ELECTRICAL AND

MECHANICAL EXPERIENCE. ANY ATTEMPT TO REPAIR A

CENTRAL AIR CONDITIONING PRODUCT MAY RESULT IN

PERSONAL INJURY AND/OR PROPERTY DAMAGE. THE

MANUFACTURER OR SELLER CANNOT BE RESPONSI-

BLE FOR THE INTERPRETATION OF THIS INFORMATION,

NOR CAN IT ASSUME ANY LIABILITY IN CONNECTION

WITH ITS USE.

For Installing Humidiers with Communicating Systems

Air Handlers & Furnaces

18-HE87D1-4A-EN

ALL phases of this installation must comply with NATIONAL, STATE AND LOCAL CODES

IMPORTANT — This Document is customer property and is to remain with this unit. Please return to service information pack

upon completion of work.

HAZARDOUS VOLTAGE! DISCONNECT ALL ELECTRIC

POWER, INCLUDING REMOTE DISCONNECTS BEFORE

SERVICING. FOLLOW PROPER LOCKOUT/TAGOUT

PROCEDURES TO ENSURE THE POWER CAN NOT BE

INADVERTENTLY ENERGIZED. FAILURE TO DISCONNECT

POWER BEFORE SERVICING COULD RESULT IN DEATH

OR SERIOUS INJURY.

EHUMD500A HUMIDIFIER INSTALLATION WITH COMMUNICATING

SYSTEM AIR HANDLER

Diagram A

AS NEEDED FOR EHUMD500 WITH COMMUNICATING AIR HANDLER

(Included humidity control and outdoor sensor not required)

Circuit Board Inside Communicating Air Handler

HUMIDIFIER CORD

FAN POWERED

HUMIDIFIER

PLUGGED INTO

120 VAC POWER SOURCE

18 AWG 2-Conductor Wire

Notes:

Enable HUM Control through the * CONT950 Installer

Setup Menu:

(ISU0372 Option 1 - RH Setpoint

Option 2 - Dewpoint Control)

See advanced features in *CONT950 Installer’s Guide

for operating details.

1/4 Inch Female

Quick Connects

Note: Insulated

terminals are

recommended

Wire Nuts

FAN POWERED HUMIDIFIER WIRING DIAGRAM

EAC

HUM

(BR) (BR)

Field Supplied

120VAC

TRANSFORMER

(Furnished)

24VAC

WARNING

HAZARDOUS VOLTAGE - DISCONNECT POWER BEFORE SERVICING

WARNING:

18 AWG 2-Conductor Wire

Wire Nuts

Diagram B

FOR EHUMD500 WITH 120VAC OUTPUT TERMINALS

FAN POWERED HUMIDIFIER WIRING DIAGRAM

Notes:

Enable HUM Control through the * CONT900 Installer

Setup Menu:

(ISU0372 Option 1 - RH Setpoint

Option 2 - Dewpoint Control)

See advanced features in *CONT900 Installer's Guide

for operating details.

HUMIDIFIER CORD

FAN POWERED

HUMIDIFIER

PLUGGED INTO

120 VAC POWER SOURCE

Wire Nuts

(BR)

HUM (BK)

HUM (WH)

(BR)

Blower CompartmentFurnace

4x4 Line Voltage Junction Box in

3-Stage Communicating Furnace

Field Supplied

120VAC

TRANSFORMER

(Furnished)

24VAC

EHUMD500A HUMIDIFIER INSTALLATION WITH

COMMUNICATING SYSTEM FURNACE

EHUMD500A HUMIDIFIER INSTALLATION WITH

NON-COMMUNICATING SYSTEM AIR HANDLER

EHUMD500A HUMIDIFIER INSTALLATION WITH

NON-COMMUNICATING SYSTEM AIR HANDLER

24V

ODT

24VAC120VAC

(BR) (BR)

Wire Nuts 1/4 inch Female Quick Connects

Note: Insulated Terminals are recommended

18 AWG 2-Conductor Wire

Note:

Verify that switch “A” is

in the BYPASS Position

SWITCH “A”

BYPASS

POWER

Diagram A1

AS NEEDED FOR EHUMD500 WITH NON-COMMUNICAT ING AIR HANDLER

Circuit Board Inside Non-Communicating Air Handler

FAN POWERED

HUMIDIFIER

FAN POWERED HUMIDIFIER WIRING DIAGRAM

Field Supplied

TRANSFORMER

(Furnished)

HUMIDIFIER CORD

PLUGGED INTO

120 VAC POWER SOURCE

EAC

HUM

90-1928

About Trane and American Standard Heating and Air Conditioning

Trane and American Standard create comfortable, energy efficient indoor environments for residential applications.

For more information, please visit www.trane.com or www.americanstandardair.com

The manufacturer has a policy of continuous data improvement and it reserves the right to change design and specifications without notice. We are

committed to using environmentally conscious print practices.

18-HE87D1-4A-EN 05 Aug 2020

Supersedes 18-HE87D1-4 (August 2018)

Notes:

Enable HUM Control through the * CONT900 Installer

Setup Menu:

(ISU0372 Option 1 - RH Setpoint

Option 2 - Dewpoint Control)

See advanced features in *CONT900 Installer's Guide

for operating details.

BYPASS

HUMIDIFIER

18 AWG 2-Conductor Wire

Diagram C

FOR EHUMD300AB/EHUM200AB WITH 120VAC OUTPUT TERMINALS

BYPASS HUMIDIFIER WIRING DIAGRAM

Wire Nuts

(YL)

HUM (BK )

HUM (WH)

(YL)

120VAC

TRANSFORMER

(Furnished)

24VAC

4x4 Line Voltage Junction Box in

3-Stage Communicating Furnace

Field Supplied

EHUMD200A/EHUMD300A HUMIDIFIER INSTALLATION

WITH COMMUNICATING SYSTEM FURNACE

Functional Unit Parts

Residential Humidier Units

HUMD-UP-1D-EN

Models

AHUMD200A**00BA

AHUMD300A**00BA

AHUMD500A**00BA

EHUMD200A**00BA

EHUMD300A**00BA

EHUMD500A**00BA

THUMD200A**00BA

THUMD300A**00BA

THUMD500A**00BA

Mnemonic

Part No. Description Qty.

Fan-Powered

HUM with

Relay

Fan-Powered

HUM with

Circuit Board

BLD01036 BLADE; FAN, LFP, *HUMD500 1✔ ✔

BRD03067 BOARD; CIRCUIT, LFP, *HUMD500 1✔

CNT04841 CONTROL; CONVERTIBLE AUTOMATIC HUMIDIFIER,

AMER. STD., LBP/LFP, AHUMD300, 500 1✔ ✔

CNT04842 CONTROL; CONVERTIBLE AUTOMATIC HUMIDIFIER,

TRANE, LBP/LFP, THUMD300, 500 1✔ ✔

GRM00883 GROMMET; ACCOMMODATES .099 –.144 PANEL THICK-

NESS 1✔ ✔

MOT11925 MOTOR; LFP, *HUMD500 1✔

ORF01440 ORIFICE; YELLOW, LBP/SBP, *HUMD200, 300 1

ORF01441 ORIFICE; BLUE, POWER UNITS, *HUMD500 1✔ ✔

RLY02948 RELAY; MODEL 50 1 ✔ ✔

SEN01259 SENSOR; OUTDOOR WITH ATTACHED BRACKET, AHC,

OEM, LBP/LFP, *HUMD300, *HUMD500 1✔ ✔

SWT02795 SWITCH; DISCONNECT FEMALE, LFP, *HUMD500 1✔

SWT03081 SWITCH; DISCONNECT MALE, LFP, *HUMD500 1✔ ✔

THT02444 THERMOSTAT; HUMIDISTAT, MANUAL, TRANE, SBP,

*HUMD200 1✔ ✔

THT02445 THERMOSTAT; HUMIDISTAT, MANUAL, AM STD, SBP,

*HUMD200 1✔ ✔

TRR01901 TRANSFORMER; SBP, LBP, *HUMD200, *HUMD300 1✔

VAL08192 VALVE; SADDLE, SBP, LBP, LFP 1 ✔ ✔

VAL08193 VALVE; SOLENOID, 24VAC, SBP, LBP, *HUMD200,

*HUMD300 1

VAL08194 VALVE; SOLENOID, 24VAC, LFP, *HUMD500 1✔ ✔

5462 POWER CORD 1 ✔

5463 POWER CORD 1 ✔

5464 MOTOR 1✔

5465 FEMALE DISCONNECT 1 ✔

5466 INTERNAL RELAY 1 ✔

About Trane and American Standard Heating and Air Conditioning

Trane and American Standard create comfortable, energy efficient indoor environments for residential applications.

For more information, please visit www.trane.com or www.americanstandardair.com

The manufacturer has a policy of continuous data improvement and it reserves the right to change design and specifications without notice. We are

committed to using environmentally conscious print practices.

HUMD-UP-1D-EN 05 Aug 2020

Supersedes HUMD-UP-1C (August 2018)

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