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INSTALLER'S
GUIDE
ALL phases of this installation must comply with NATIONAL, STATE AND LOCAL CODES
Coil TXV Kit:
BAY4TXV1830A
IMPORTANT — This Document is customer property and is to remain with this unit. Please return to service information
pack upon completion of work.
General Information
This TXV kit is intended only for use with the specific
models of the A4AH Air Handlers.
This kit is used to increase efficieny ratings for these
models.
NOTE: This kit is for use with 410A Refigerant only.
Coil TXV Kit Contents
Open and inspect contents for damage or missing
items.
Each kit contains:
No.
Qty
Description
1
1
Expansion Valve
2
1
Teflon® O-ring
3
1
Installer's Guide (Not shown)
4
1(2)
Bulb Insulation
5
1(2)
Cable Tie
6
1
Sensing Bulb Strap
7
1(2)
Push-in Cable Tie
88-A4AH4TXV-1C-EN
Fits Coil Models:
A4AH4P18A
A4AH4P24A
A4AH4P30A
Kit Identification
Confirm that the air handler TXV kit is approved for use
with the air handler model being installed.
Inspection
Check carefully for any shipping damage. Any damage must
be reported to, and claims made against the transportation
company immediately. Any missing parts should be reported
to your supplier at once and replaced with authorized parts
only.
6
5
7
2
Figure 1
1
4
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Summary of Contents for Trane BAY4TXV1830A
- Page 1 ALL phases of this installation must comply with NATIONAL, STATE AND LOCAL CODES Coil TXV Kit: Fits Coil Models: A4AH4P18A BAY4TXV1830A A4AH4P24A A4AH4P30A IMPORTANT — This Document is customer property and is to remain with this unit. Please return to service information pack upon completion of work.
- Page 2 COIL THERMAL EXPANSION VALVE INSTALLER'S GUIDE Installation Instructions 1. If air handler has never been installed, go to Step 2. If air handler has been previously installed, recover system charge or “pump-down” system charge into the condensing unit to comply with EPA regulations. NOTE: Minimize the amount of movement of the liquid and distributor tubes to prevent work hardening.
- Page 3 Installer's Guide. About Trane and American Standard Heating and Air Conditioning Trane and American Standard create comfortable, energy efficient indoor environments for residential applications. For more information, please visit www.trane.com or www.americanstandardair.com The manufacturer has a policy of continuous data improvement and it reserves the right to change design and specifications without notice. We are committed to using environmentally conscious print practices.