Rheem RKKB SERIES, Owner'S Manual, Page: 9 / 68

Option Code
Low Ambient
Time Delay
Freeze Stat
Stainless Steel
Heat Exchanger
AA
Unwired Convenience Outlet
AF x
AH x
BN x x
CL x x x
Unfused Services Discount
PB x x
AJ x
No Options
FACTORY INSTALLED OPTION CODES FOR RKKB, RKMB & RKNB
“x” indicates factory installed option.
ECONOMIZER SELECTION FOR RKKB, RKMB & RKNB
Example: RKKB-A240CL40E XX X (where XX is factory installed option)
Example: No Options
RKKB-A240CL40E
Example: No option with factory installed economizer
RKKB-A240CL40EAAB
Example: Options with low ambient, time delay and freeze stat, unwired convenience outlet, unfused service disconnect, and stainless steel heat exchanger with no factory
installed economizer
RKKB-A240CL40ECLA
Example: Options same as above with factory installed economizer
RKKB-A240CL40ECLB
No Economizer
Single Enthalpy Economizer
With Barometric Relief
A x
B x
“x” indicates factory installed option.
Instructions for Factory Installed Option(s) Selection
Note: Three characters following the model number will be utilized to designate a factory-installed option or
combination of options. If no factory option(s) is required, nothing follows the model number.
Step 1. After a basic rooftop model is selected, choose a two-character option code from the FACTORY
INSTALLED OPTION SELECTION TABLE.
Proceed to Step 2.
Step 2. The last option code character is utilized for factory-installed economizers. Choose a character from
the FACTORY INSTALLED ECONOMIZER SELECTION TABLE.
9
OPTIONS—RKKB/RKMB/RKNB- SERIES