OXBOX BAYHTRJ505BRKAA Supplementary Electric Heaters Installation Guide

: June 13, 2024
: Oxbox

Table of Contents

OXBOX BAYHTRJ505BRKAA Supplementary Electric Heaters
Product Information
Product Usage Instructions
GENERAL
PRECAUTIONARY MEASURES
INSTALLATION
HEATER TABLES
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OXBOX BAYHTRJ505BRKAA Supplementary Electric Heaters

Product Information

The product is an accessory electric heater designed to provide power directly to the unit from the accessory heater’s power supply, eliminating the need for additional circuits. It iscompatible with models BAYHTRJ505BRKAA, BAYHTRJ508BRKAA, and BAYHTRJ510BRKAA. The heater is intended for use with JMM4&5 Wall-Mount Air Handlers. It is important to note that all phases of the installation must comply with national, state, and local codes.

Product Usage Instructions

Check the unit heater label to confirm that the selected heater is approved for use with the installed configuration.
Inspect the components received for any damage. Report any defects or shortages to the transportation company immediately.
Ensure that the power supply matches the listing shown on the heater nameplate.
Take necessary safety precautions before servicing or installing the product. Disconnect all electrical power, including remote disconnects, and follow proper lockout/tagout procedures to prevent accidental energization of power.
Pay attention to sharp edges on equipment or any cuts made on sheet metal while installing or servicing to avoid personal injury.
Be aware that the product contains fiberglass wool insulation, which may cause respiratory, skin, or eye irritation. In situations where spraying may generate fiber concentrations requiring additional respiratory protection, use an appropriate NIOSH approved respirator.
In case of eye contact with fiberglass dust, flush eyes with water and seek medical attention if symptoms persist. After handling, wash any affected area gently with soap and warm water in case of skin contact.

Installation Instructions

Remove the upper access panel from the fan coil unit.
Remove the cover plate from the fan coil opening and save the screws for the next step.
Install the heater kit and secure the element plate with the 2 screws removed from the cover plate, along with a 3rd screw provided with the kit.
Install the electronic control into the space on the left-hand side and attach it with screws provided in the kit.
Connect the electric heaters to the air handler using the Heater Kit Plug.
Connect high voltage to the circuit breaker lugs and ground lug as per the instructions provided.

Models : BAYHTRJ505BRKAA BAYHTRJ508BRKAA BAYHTRJ510BRKAA
Supplementary Electric Heaters for JMM4 &5 Wall-Mount Air Handlers

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

GENERAL

This accessory electric heater is designed to provide er directly to the unit from the accessory heater’s power supply eliminating the need for additional circuits. The power and control wiring use a single polarized ed plug to connect the heater and the unit. See the Heater Data table on page 3 for the number of circuits required.

Check the unit heater label to confirm that the selected Heater has been approved for use with this unit in the installed conﬁuration.
Check the components received for damage. Report any defects or shortages to the transportation company immediately.
Be sure the power supply agrees on with the listing shown on the heater nameplate.

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.

CAUTION

SAFETY HAZARD! Sharp Edge Haza rd. Be careful of sharp edges on equipment or any cuts made on sheet metal while installing or servicing. Personal injury may result.

WARNING

THIS PRODUCT CONTAINS FIBERGLASS WOOL INSULATION! FIBERGLASS DUST AND CERAMIC FIBERS ARE BELIEVED BY THE STATE OF CALIFORNIA TO CAUSE CAN-CER THROUGH INHALATION. GLASSWOOL FIBERS MAY ALSO CAUSE RESPIRATORY, SKIN, OR EYE IRRITATION.

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, and rinse the 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 THE AFFECTED AREA GENTLY WITH SOAP AND WARM WATER AFTER HANDLING.

WARNING
HAZARDOUS VOLTAGE!
Disconnect all electrical power, including remote disconnects before installing or servicing. Follow proper lockout/ tagout procedures to ensure the power can not be inadvertently energized d. Failure to disconnect power before servicing could result in death or serious inj ury.

INSTALLATION

INSTALLATION

1. Remove the upper access panel from the fan coil unit.

Figure 1

| 2. Remove the cover plate from the fan coil opening and save the screws for the next step. Install the heater kit and secure the element plate with the

2 screws were removed from the cover plate plus a 3rd screw was provided with the kit.

Figure 2

---|---
3. Install the electronic control into the space on the left-hand side and attach with screws provided in the kit.

Figure 3

| 4. Connect the electric heaters to the air handler using the Heater Kit Plug. Connect high voltage to the circuit breaker lugs and ground lugs per the wiring schematic and air handler installation guide.

Figure 4

5. Cover the upper access panel on the fan coil unit.

Figure 5

HEATER TABLES

IMPORTANT :
The BA electric heat accessory includes one 60 amp circuit breaker to provide an electrical disconnect for service personnel that is intended to help protect internal electrical components in the event of a shott circuit or ground fault. As designed, the circuit breakers supplied in the BA YHTRJ5** accessory DO NOT provide over current protection of the branch circuit. Therefore, the branch circuit(s) shall be sized and protected according to the unit nameplate.

BAYHTR — HEATER DATA

__

Heater Model No

| __

No. of Circuits/ Phases

| 240 Volt| 208 Volt
Capacity| Heater Amps per Circuit| Capacity| Heater Amps per Circuit
kW| BTUH| kW| BTUH
No Heater| | | | | | |
BAYHTRJ505BRKAA| 1/1| 5| 17100| 20.8| 3.8| 12800| 18
BAYHTRJ508BRKAA| 1/1| 7.5| 25600| 31.2| 5.6| 19200| 27.1
BAYHTRJ510BRKAA| 1/1| 10| 34100| 41.7| 7.5| 25600| 36.1
Note: For model speciﬁc electrical data, see the wall mount air handler Installer’s Guide or Submittal.
JMM4 SERIES MINIMUM HEATER AIRFLOW CFM – HEATER MATRIX

Model No.| BAYHTRJ505BRKAA| BAYHTRJ508BRKAA| BAYHTRJ510BRKAA
Without HP| With HP| Without HP| With HP| Without HP| With HP
JMM4A0A18S21SAA| Low| Low| Low| Low| Low| Low
JMM4A0A24S21SAA| Low| Low| Low| Low| Low| Low
JMM4A0B30S21SAA| Low| Low| Low| Low| Low| Low
JMM4A0B36S31SAA| Low| Low| Low| Low| Low| Low
JMM5 SERIES MINIMUM HEATER AIRFLOW CFM – HEATER MATRIX

Note : The electric heater has been evaluated with the end product of the JMM4 and JMM5 series wall-mounted unit by the ETL certification.
Since the manufacturer has a policy of continuous product and product data improvement, it reserves the right to change design and speciﬁcation without notice.