Installation Guide
mrcool.comPage 25
Unit Installation
Condenser Field Conversion
Fig. 2.24
Location of
Dip Switch on
Condenser 
Main Board
DEFAULT 5 TON
4 TON SETTING
Fig. 2.23
Fig. 2.25
Follow these instructions during unit installation in order to enable a Universal® Series 5 ton 
condenser and air handler split system to operate at 4 ton capacity. 
1. DO NOT attempt this conversion while the unit is powered on. 
2. Locate the capacity dip switch on the condenser main board. The capacity dip switch is circled on 
the photo below.
3. The default position of the capacity dip switch is 1 & 2 ‘Up’ and 3 & 4 ‘Down’. Up being a switch 
pushed toward the letters (ON DIP). Down being a switch pushed toward the numbers (1 2 3 4). 
4. The default position of the capacity dip switch is 60k. 
5. To activate the 48k capacity, flip capacity dip switch 1 from the Up position to the Down position. 
Converting Unit From 5 Ton to 4 Ton 
NOTE
Refer to the Universal® Air Handler Installation Manual for Dip Swith Instructions and 
settings to convert the Universal® Air Handler from 5 ton to 4 ton.










