Trane BAYRLAY004A Installer's Manual

Model:
BAYECON200A
BAYECON201A
BAYRLAY004A
WARNING:
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.
General
The economizer is a multi-damper design. It inserts into the
return air stream and is connected to the unit low voltage
supply through wire leads. The economizer is fully acces-
sible through an access panel.
Important: The Economizer installation requires that you first
install an air filter rack ordered separately. Use:
BAYFLTR101A for 2/4YC*, WC*, TC*, DC* *018-3036A
BAYFLTR201A for 2/4YC*, WC*, TC*, DC* *042-3060A.
When the economizer is installed in WC* models, relay
accessory kit BAYRLAY004A is required. Refer to the drawing
on page 6 to make your relay wiring connections in the Control
Box.
Identify Economizer Kit Contents
Refer to Figure 2 on page 3 to identify the kit contents.
Inspect Contents
You must report damage and make claims to the transporta-
tion company immediately. Report missing parts to your
supplier immediately and replace with authorized parts
only.
!
ELECTRIC SHOCK HAZARD
OPEN AND LOCK OUT ALL UNIT DISCONNECTS PRIOR
TO ACCESSORY INSTALLATION OR UNIT MAINTENANCE,
TO PREVENT INJURY OR DEATH FROM ELECTRICAL
SHOCK OR CONTACT WITH MOVING PARTS.
!
SAFETY HAZARD
DO NOT REMOVE END COVERS FROM ECONOMIZER AC-
TUATOR; THE SPRING-RETURN ASSEMBLY MAY RELEASE
AND CAUSE PERSONAL INJURY.
Installer's Guide
Horizontal Economizer & Rain Hood
Used with:
2/4TC*,WC*,YC*,DC* *018-036A
2/4TC*,WC*,YC*,DC* *042-060A
(Required with WC* models)
HAZARDOUS VOLTAGE - DISCONNECT POWER BEFORE SERVICING
WARNING
WARNING
Install Economizer Kit
1. Remove the unit economizer/filter access panel, the
evaporator coil and blower access panel, and the electri
cal control box access panel, see Figure 1 on page 2.
2. Filter frame must be installed prior to economizer installa-
tion.
3. Apply two gaskets to horizontal economizer mounting
flanges. See Figure 2 on page 3.
4a. Small Cabinet - BAYECON200A
(TC*,WC*,YC*,DC* *018A to 3036A)
Set the horizontal economizer over the horizontal return
air opening on the unit. The notches in the bottom
flange of the economizer clear the two existing screws
below the return air opening of the unit.
4b. Medium Cabinet Only - - BAYECON201A
(TC*,WC*,YC*,DC* *042A to 3060A)
Apply a gasket to the economizer and slide the top
flange of the economizer under the lip between the top
and bottom sections of the unit. Mate the notches on
the top flange of the economizer with the existing screws
between the top and bottom sections of the unit. The
notches on the bottom flange of the economizer clear
the two existing screws below the return air opening of
the unit.
!
Use care when inserting the economizer in the return air
compartment, to prevent damaging the foil faced insula-
tion.
18-HE39D9-6
CAUTION