Trane BAYECON207A Installer's Manual

Model:
BAYECON207A
BAYECON208A
BAYRLAY006B
Note: * indicates an alphanumeric character.
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 informa-
tion 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 accessible
through an access panel.
IMPORTANT: After the Economizer installation you must
install an air filter rack ordered separately. Use:
BAYFLTR101 for *DCZ, *WCZ, *YCZ *024-036
BAYFLTR201 for *DCZ, *WCZ, *YCZ *042-060
When the economizer is installed in *DCZ and *WCZ
models, relay accessory kit BAYRLAY006B is required.
Refer to hookup diagram for the appropriate unit model to
make your relay wiring connections in the Control Box.
Identify Economizer Kit Contents
Refer to Figure 2 to identify the kit contents.
Inspect Contents
You must report damage and make claims to the transpor-
tation 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 ac-
cessory 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 actua-
tor; the spring-return assembly may release and
cause personal injury.
Installer's Guide
Horizontal Economizer and Rain Hood
Used with:
*DCZ, *WCZ, *YCZ *018-036
*DCZ, *WCZ, *YCZ *042-060
(Required with *DCZ and *WCZ models)
HAZARDOUS VOLTAGE - DISCONNECT POWER BEFORE SERVICING
WARNING
WARNING
18-HE140D1-1A-EN
!
Use care when inserting the economizer in the return
air compartment, to prevent damaging the foil faced
insulation.
Install Economizer Kit
Remove Power
1.
Disconnect and verify that power is off.
Remove Access Panels
2.
Remove these three (3) access panels
(see Figure 1):
• Control/Heat access panel
• Blower access panel
• Coil access panel
BAYRLAY006B Installation (Required for
3.
*DCZ and *WCZ units only, for *YCZ units
skip to step 4)
1. Remove wire harness that came attached to the
BAYECON Logic Module being installed.
IMPORTANT: Do NOT remove the resistors from the
Logic Module. Also, Do NOT remove the YL and YL/BK
wires connected to SO and + on the Logic Module
2. Locate the ICMC Board in the upper left hand corner
of the unit control box and the DFC board in the upper
center of the unit control box. See Figure 5.
3. Using the existing holes in the back of the unit control
box, mount the relay bracket assembly using the 2
screws supplied with the BAYRLAY006B Kit. See
Figure 5.
4. Route the BAYRLAY006B wire harness attached to the
relays to the logic module as shown in Figure 3.
5. Connect the BAYRLAY006B to the economizer Logic
Module and make the field connections as shown in
the hookup diagram for the appropriate unit model.
CAUTION