Advertisement
The speed of the air handler is factory default set as per the table to
the right. To adjust speed settings, follow the steps below:
1. Disconnect power to the air handler.
WARNING
Failure to not disconnect power can result in
electrical shock, personal injury or death.
2. Remove the air handler access panel by removing the four
screws that secure the panel.
3. Locate the PC Board.
4. On the PC Board, remove the wire lead from the "MTR" tap (this
tap controls the fan motor speed). See
5. Remove the desired wire lead from the "Blank" tap and place in the "MTR" tap (the "Blank" tap is
where unused fan motor speed wire leads are stored). See
following table for wire lead color descriptions:
6. Connect the unused wire lead to the "Blank" tap.
7. Replace the air handler access panel.
❶
MTR Tap
(Controls fan
motor speed)
MTR
44
in image below.
❶
Fan Motor Speed Wire Lead Color Code
Speed
High
Medium
Low
❷
Blank Tap
(Stores unused fan motor
speed wire leads)
Blank
•
•
•
•
•
•
•
•
•
•
in image below. Refer to the
❷
Color
Black
Blue
Red
Hydronic Air Handler Installation and Operation Manual
Default Setting Speeds
Model
Speed
AH083CP
Medium
AH083P
AH084CP
Medium
AH084P
AH125CP
Medium
AH125P
AH166CP
High
AH166P
AH206CP
High
AH206P
Advertisement
