Bosch IDP Technical Service Bulletin

Technical Service Bulletin:
Evaporator Coil Replacement
Models: IDP (5 Ton) Heat Pump Units
Please read this entire document prior to proceeding with any work.
WARNING:
 This bulletin is intended to provide technical guidance to a
professional who is qualifi ed to work on heat pump products,
components, and refrigerant. If you are not qualifi ed to work
on such equipment, please obtain the services of qualifi ed
HVAC professionals.
WARNING: PERSONAL INJURY
 The coil replacement procedure must not be undertaken
without fi rst removing all existing refrigerant from the
product.
If you have any questions regarding the information provided in this document,
please contact our Heat Pump Technical Support Team by phone at 1-800-283-
3787, or via email at ac.techsupport@us.bosch.com
CAUTION: PERSONAL INJURY, PRODUCT DAMAGE
 This procedure requires two people and the use of a Coil
Replacement Support Bar (part# 8733957022, available
from Bosch at no charge) in order to be carried out safely.
 Please do NOT attempt this procedure alone or without
obtaining the support bar and having it ready to use.
Data subject to change without notice | BTC 761702118 A | 06.2022
Evaporator Coil Replacement Procedure
1. Ensure that the unit is powered off and isolated from the electrical supply.
2. Reclaim all refrigerant (refer to installation manual for correct procedure).
Remove the 24 screws than run around the middle of all four sides of the
3.
unit (Fig.1).
Figure 1
4. Remove the side panels (Fig.2).
Figure 2
Bosch Thermotechnology Corp.
www.bosch-thermotechnology.us
65 Grove Street Watertown, MA 02472 | Tel: 1-866-642-3198