If it is desirable to observe a complete defrost in warmer weather, the thermostat must be closed as follows:
1.Turn off power to outdoor unit.
2.Disconnect outdoor fan motor lead from OF2 on control board. (See Fig. 8.) Tape to prevent grounding.
3.Restart unit in heating mode, allowing frost to accumulate on outdoor coil.
4.After a few minutes in heating mode, liquid line temperature should drop below closing point of defrost thermostat (ap- proximately 30°F).
NOTE: Unit will remain in defrost until defrost thermostat reopens at approximately 80°F coil temperature at liquid line or remainder of defrost cycle time.
5.Turn off power to outdoor and reconnect fan motor lead to OF2 on control board after above forced defrost cycle.
Step 1—Final Checks
IMPORTANT: Before leaving job, be sure to do the following:
1.Securely fasten all panels and covers.
2.Tighten service valve stem caps to
3.Leave User’s Manual with owner. Explain system operation and periodic maintenance requirements outlined in manual.
CARE AND MAINTENANCE
For continuing high performance and to minimize possible equip- ment failure, periodic maintenance must be performed on this equipment.
Frequency of maintenance may vary depending upon geographic areas, such as coastal applications.
Copyright 2002 CARRIER Corp. • 7310 W. Morris St. • Indianapolis, IN 46231 | 38ycw3si |
|
|
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Book | 1 | 4 | PC 101 | Catalog No. | Printed in U.S.A. | Form | Pg 8 | Replaces: | ||
| Tab | 5a | 5a |
|
|
|
|
|
|
|
