Installation Manual
44 Hydronic Air Handler Installaon and Operaon Manual
❶
❷
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 in image below.
Default Setting Speeds
Model Speed
• AH083CP
• AH083P
Medium
• AH084CP
• AH084P
Medium
• AH125CP
• AH125P
Medium
• AH166CP
• AH166P
High
• AH206CP
• AH206P
High
Failure to not disconnect power can result in
electrical shock, personal injury or death.
WARNING
Fan Motor Speed Wire Lead Color Code
Speed Color
High Black
Medium Blue
Low Red
6. Connect the unused wire lead to the “Blank” tap.
7. Replace the air handler access panel.
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.
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 in image below. Refer to the
following table for wire lead color descriptions:
❶
❷
MTR Tap
(Controls fan
motor speed)
MTR
Blank
Blank Tap
(Stores unused fan motor
speed wire leads)










