Product Overview

1 65-0093—1
G.R. • 5-93 • ©Honeywell Inc. 1993 • Form Number 65-0146
Fig. 1—Approximate dimensions of Q7800F Adapter Subbase in in. [mm].
Installation
WHEN INSTALLING THIS PRODUCT…
1. Read these instructions carefully. Failure to follow
them could damage the control or cause a hazardous
condition.
2. Check the ratings in the instructions and on the
control to make sure the control is suitable for your
application.
3. Installer must be a trained, experienced Flame
Safeguard service technician.
4. After installation is complete, check out control
operation as provided in these instructions.
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M5648
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Q7800F Adapter Subbase for
Connecting 7800 SERIES
to Q270 Subbase
Application
The Q7800F Adapter Subbase is used for connecting
the 7800 SERIES Relay Module to the Q270 Subbase.
This allows replacement of the RA890 or R4795 Primary
Controls with the 7800 SERIES Burner Control System
without a complete system rewiring.
Specifications
MODEL: Q7800F1004 (RA890) and Q7800F1012 (R4795)
Adapter Subbase connects to the Q270 Subbase and
allows replacement of the RA890 or R4795 Primary
Controls with the 7800 SERIES Burner Control System
without a complete rewiring of the system.
WEIGHT: 15 oz.
DIMENSIONS: See Fig. 1.
ENCLOSURE: NEMA 1.
APPROVAL BODIES:
Underwriters Laboratories Inc.: Component Recognized.
Canadian Standards Association: Certified.