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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.

ALL phases of this installation must comply with NATION-

AL, STATE AND LOCAL CODES

18-GJ28D1-1C-EN

Models:

BAYEVCC25BK1B

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

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WARNING

SAFETY HAZARD! 

This information is intended 

for use by individuals possessing adequate back-
grounds 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 as-
sume any liability in connection with its use.

LIVE ELECTRICAL COMPONENTS! 

During 

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

s

s

WARNING

SAFETY HAZARD! 

Sharp Edge Hazard. Be care-

ful 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.

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s

WARNING

Summary of Contents for BAYEVCC25BK1

Page 1: ...itioning 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 as sume any liability in co...

Page 2: ...or damage Report any defects or shortages to the transportation company im mediately 3 Be sure the power supply matches the listing shown on the heater nameplate Section 2 General Information Section...

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 4 Reconnect the 3 pin plug on the heater to the 3 pin plug in the air handler case 5 Reconnect the two ground wires to the lug on the bas...

Page 10: ...low voltage harness to Electric Heat Control connector on the board as shown Low Voltage Harness STEP 10 Place Wiring Diagram 1 Attach the wiring diagram included in the documenta tion packet to the...

Page 11: ...ircuit Therefore the 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...

Page 12: ...only is energized the K2 relay would close and ener gize the B heater The third time W1 only is energized the K3 relay would close and energize the C heater Electric Heat 1 When a request for electric...

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