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25 kW Supplementary 
Electric Heater 

for Air Handler Installations

INSTALLER'S
GUIDE

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

©  2012 Trane

ALL phases of this installation must comply with 

NATIONAL, STATE AND LOCAL CODES

18-GJ28D1-5

11/12

Models:

BAYEVCC25BK1A

Table of Contents

Section 1. Safety Information

 .......................................................................................................1

Section 2. General Information

 .....................................................................................................2

Section 3. Heater Assembly Labeled

 ...........................................................................................2

Section 4. Adjust Heater

 ...............................................................................................................3

Section 5. Install Heater

 ................................................................................................................5

Section 6. Tables

 ..........................................................................................................................11

Section 7. Heater Operation

........................................................................................................12

Section 1. Safety Information

WARNING

!

SAFETY HAZARD! 

This information is intended for use 

by individuals possessing 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 responsible for the 
interpretation of this information, nor can it assume any liability in 
connection with its use.

LIVE ELECTRICAL COMPONENTS! 

During in-

stallation, testing, servicing, and troubleshooting of this product, 
it may be necessary to work with live electrical components. 
Failure to follow all electrical safety precautions when exposed to 
live electrical components could result in death or serious injury.

WARNING

!

SAFETY HAZARD! 

Sharp Edge Hazard. Be careful of 

sharp edges on equipment or any cuts made on sheet metal while 
installing or servicing. Personal injury may result.

CAUTION

!

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.

WARNING

!

Summary of Contents for BAYEVCC25BK1A

Page 1: ...air conditioning product may result in personal injury and or property damage The manufacturer or seller cannot be responsible for the interpretation of this information nor can it assume any liabilit...

Page 2: ...im mediately 3 Be sure the power supply matches the listing shown on the heater nameplate Section 2 General Information Section 3 Heater Assembly Labeled Heater Baffle Retainer Tab and screw in docum...

Page 3: ...ght front of the heater and connected with a ring terminal to the heater base plate 3 Disconnect the two ground wires from the lug on the heater base plate Note It is recommended that the ducting be a...

Page 4: ...order to comply with National Electric Code NEC Section 240 81 The NEC requires that circuit breakers operated verti cally must be oriented so that the on position of the breaker is upward Field Conne...

Page 5: ...nplug and dispose of pigtail harness Section 5 Install Heater STEP 1 Remove Heater Compartment Panel Heater Compartment Panel 3 Place the circuit breakers back into the control box The tabs on the bre...

Page 6: ...e retainer tab into recess in air handler cabinet 2 Tighten screws to hold tab securely 3 Repeat actions to secure the other tab STEP 5 Select a conduit entry point See the orientations on the followi...

Page 7: ...Page 7 INSTALLER S GUIDE Upflow Route conduit as shown Downflow Route conduit as shown Note A minimum of 8 is required for installation and servicing of the control box 8 Min...

Page 8: ...Page 8 INSTALLER S GUIDE Horizontal Left Route conduit as shown Horizontal Right Route conduit as shown...

Page 9: ...he screw removed earlier See Section 4 Step 1 for illustration 3 Reconnect the 3 pin plug on the heater to the 3 pin plug in the air handler case 4 Reconnect the two ground wires to the lug on the bas...

Page 10: ...Connect the low voltage harness to Electric Heat Con trol as shown Low Voltage Harness STEP 10 Place Wiring Diagram 1 Attach the wiring diagram included in the documenta tion packet to the back of the...

Page 11: ...e branch circuit s shall be sized and protected according to the unit nameplate Table 6 1 BAYEV HEATER DATA Heater Model No Number of Circuits 240 VOLT 208 VOLT Capacity Heater Amps per Circuit Capaci...

Page 12: ...1 electric heat cfm 6 On subsequent calls for W2 and or W3 the EHC will communicate to the AFC the required airflow request and energize the additional relays NOTE The EHC has lead lag logic built in...

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