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Supplementary 

Electric Heaters 

for 

J

MM4&5 Wall-Mount Air Handlers

INSTALLER'S

GUIDE

Models:

 

BAYHTR

J

505BRKAA

 

BAYHTR

J

508BRKAA

 

BAYHTR

J

510BRKAA

IMPORTANT — 

This Document is customer property and is to remain w ith this unit.  Please return to service information pack  upon completion of w ork.

ALL phases of this installation must comply with NATIONAL, 

STATE AND LOCAL CODES

18-HB24D1

2

HAZARDOUS VOLTAGE - DISCONNECT POWER BEFORE SERVICING

WARNING:

WARNING

PRECAUTIONARY MEASURES

• Avoid breathing fiberglass dust

Use a NIOSH approved dust/mist respirator

Avoid contact with the skin or eyes. Wear long-sleeved,

loose fitting clothing, gloves, and eye protection.

Wash clothes separately from other clothing, rinse

washer thoroughly.

Operations, such as sawing, blowing, tear-out, and

spraying may generate fiber concentrations requiring

additional respiratory protection. Use the appropriate

NIOSH approved respirator in these situations.

FIRST AID MEASURES

EYE CONTACT: FLUSH EYES WITH WATER TO RE-

MOVE DUST. IF SYMPTOMS PERSIST, 

SEEK MEDICAL ATTENTION.

SKIN CONTACT: WASH AFFECTED AREA GENTLY 

WITH SOAP AND WARM WATER AF-

TER HANDLING.

THIS PRODUCT CONTAINS FIBERGLASS WOOL INSULA-

TION! FIBERGLASS DUST AND CERAMIC FIBERS ARE BE-

LIEVED BY THE STATE OF CALIFORNIA TO CAUSE CAN-

CER THROUGH INHALATION. GLASSWOOL FIBERS MAY 

ALSO CAUSE RESPIRATORY, SKIN, OR EYE IRRITATION.

GENERAL

This accessory electric heater is designed to provide 

pow er directly to the unit from the accessory heater' s 
pow er supply eliminating the need for additional 
circuits.  The pow er and control w iring use a single 
polariz ed plug to connect the heater and the unit.  
See the Heater Data tab le on page 3  for the numb er 
of circuits req uired.  

1.

Check  the unit heater lab el to 

confi

rm that the

selected Heater is approved for use w ith this unit

in the installed confi u

ration.

2.   Check  the components received for damage.  R eport

any defects or shortages to the transportation
company immediately.

3 .

Be sure the pow er supply agrees w ith the listing
show n on heater nameplate.

SAFETY HAZARD!

 This information is intended for use b y 

individuals possessing adeq uate b ack grounds of electrical 
and mechanical exp erience.  Any attempt to repair a central air 
conditioning product may result in personal inj ury and/ or 
property damage.  The manufacturer or seller cannot b e 
responsib le for the interpretation of this information, nor can it 
assume any liab ility in connection w ith its use.

WARNING

WARNING

HAZARDOUS VOLTAGE!

Disconnect all electrical pow er, including remote disconnects 
b efore installing or servicing.  Follow  proper lock out/ tagout 
procedures to ensure the pow er can not b e inadvertently 
energize d.  Failure to disconnect pow er b efore servicing could 
result in death or serious inj ury.

CAUTION

SAFETY HAZARD! 

Sharp E dge Haza rd.  Be careful of sharp 

edges on eq uipment or any cuts made on sheet metal w hile 
installing or servicing.  Personal inj ury may result.

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