Read This First
To the installer
Retain this manual and warranty for future reference.
Before leaving the premises, review this manual to be sure the unit
has been installed correctly and run the unit for one complete cycle
to make sure it functions properly.
To obtain technical service or warranty assistance during or after the
installation of this unit, contact your local representative. Visit our web
site www.retroaire.com for a local representative listing. For further
assistance call 1-800-228-9364.
When calling for assistance, please have the following information ready:
Model Number___________________________________
Serial Number____________________________________
Date of installation_________________________________
NOTICE
The RetroAire™ replacement PTAC/PTHP is backed by EMI
and ECR International and is tested and rated in accordance
with:
AHRI Standards 310/380
UL-484
Due to ongoing product development, product designs and
specifications may change without notice.
Please contact the factory for more information.
Contents
2-3
To the installer . . . . . . . . . . . . . . . . . 2
Inspection . . . . . . . . . . . . . . . . . . . 3
General precautions . . . . . . . . . . . . . . . 3
4-6
Product description . . . . . . . . . . . . . . . 4
Standard controls and components . . . . . . . . . 4
Factory-installed options
Field-installed options . . . . . . . . . . . . . . 4
R40C Chassis . . . . . . . . . . . . . . . . . 5-7
8
9-10
Optional wall-mounted thermostats . . . . . . . . .10
Preparing for the Installation of the PTAC/PTHP
11
Electrical power connection . . . . . . . . . . . .11
Remove the old chassis . . . . . . . . . . . . . .11
Installation Instructions — R40C
12
13-14
Initial Power-Up or power restoration . . . . . . . .13
R_ _C / R_ _H: Cooling Operation . . . . . . . . . .13
R_ _C / R_ _H: Heating Operation . . . . . . . . . .14
R_ _H: Mechanical Heating "Heat Pump" . . . . . . .14
R_ _H: Auxiliary Heating "Electric" or "Hydronic" . . . .14
15-20
Before operating the unit . . . . . . . . . . . . .15
Setting the control board jumpers. . . . . . . . . .16
Start Up . . . . . . . . . . . . . . . . . . . .17
Unit-mounted thermostat . . . . . . . . . . . . .17
Remote-mounted thermostat . . . . . . . . . . .17
Straight cooling PTAC's . . . . . . . . . . . . 17-18
Heat Pump PTHP's . . . . . . . . . . . . . . 18-19
Start-up . . . . . . . . . . . . . . . . . . . .20
21-24
Monthly inspection and maintenance . . . . . . . .21
Seasonal start-up and maintenance . . . . . . . 21-22
Heat pump units — temporary emergency heating mode 22
Troubleshooting sensors . . . . . . . . . . . . .22
Troubleshooting . . . . . . . . . . . . . . . .23
Reseting Limit Switch . . . . . . . . . . . . . .24
26-27
Replacement Packaged Terminal Air-Conditioning / Heat Pump
• Installation, Operation, and Maintenance Manual •
The Right Fit for Comfort
2
P/N 240008639, Rev. B [8/16/2011]