Trane AHUMD200A 00BA Series Assembly instructions

Installer’s Guide
s
s
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
s
s
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
H
C
R
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.
© 2020
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
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.
© 2020
HUMD-UP-1D-EN 05 Aug 2020
Supersedes HUMD-UP-1C (August 2018)