4
18-EB32D1-1E-EN
Introduction
Read this manual carefully before attempting to install,
operate, or perform maintenance on this unit.
Installation and maintenance should be performed by
qualified service technicians only. Do NOT use this
furnace for temporary heating of buildings under
construction.
As shipped from the factory, this unit is for use with
natural gas only. It is listed by Underwriters
Laboratory. An LP Gas conversion kit is available.
Extreme mounting kits for slab and curbs are also
available.
Packaged units are designed for outdoor mounting
with a vertical condenser discharge. They can be
located either at ground level or on a roof in
accordance with local codes or National Fuel Gas Code
(ANSI-Z223.1A) Latest Revision. Since these units are
designed exclusively for outdoor operation, additional
flue venting systems are not required. Each unit
contains an operating charge of refrigerant as shipped.
Extreme mounting kits are available for slab
(BAYEXMK003A), utility curb (BAYEXMK002B), or curb
(BAYEXMK001A) mountings.
The indoor fan motor speed adjustment is provided in
the Service Maintenance, see .
This guide is organized as follows:
•
Step 1 — Inspect Shipment
•
Step 2 — Determine Unit Clearances
•
Step 3 — Review Location and Recommendation
Information
•
Step 4 — Unit Installation
•
Step 5 — Unit Startup
•
Sequence of Operation
•
Maintenance
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1. Check for damage after the unit is unloaded. Report
promptly to the carrier any damage found to the
unit. Do not drop the unit.
IIm
mp
po
orrtta
an
ntt:: To prevent damage to the sides and top
of the unit when hoisting, use "spreader
bars".
2. Check the unit’s nameplate to determine if the unit
is correct for the intended application. The power
supply must be adequate for the unit and all
accessories.
3. Check to be sure the refrigerant charge has been
retained during shipment. Remove the Compressor
access panel to access the 1/4" flare pressure taps.
4. The Flue Hood is included with the unit's literature
pack.
5. If this unit is being installed on a curb, verify that
the correct curb is provided for the unit.
•
4YCY5024-036 use model BAYCURB050A
•
4YCY5042-060 use model BAYCURB051A
6. If the unit is being hoisted, accessory kit
BAYLIFT002B is recommended. It includes a kit of
four (4) lifting lugs and instructions.
N
No
otte
e:: If practical, install any internal accessories to the
unit at the shop.
N
No
otte
e:: The packaged units have been evaluated in
accordance with the Code of Federal Regulations,
Chapter XX, Part 3280 or the equivalent.
“SUITABLE FOR MOBILE HOME USE”.
