DLFSAB and DLFLAB: Service Manual
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
9
CONNECTION DIAGRAMS AND CONTROL METHODS
The air handler fan coil unit can be controlled mainly through the
following methods.
• SCENARIO #1 Wired controller (Included, optional accessory) -
KSACN1001AAA:
Non-polarity controller used to operate all functions. The wired
controller is equipped with an infrared receiver and can be used in
conjunction with the wireless controller.
For this scenario to be enabled SW1-1 must be set to the OFF positions
(Default)
• SCENARIO #1 Wireless controller (Included):
Hand-held wireless remote provides the same functionality as the
wired controller and can be used in conjunction with the wired
controller. Refer to the owner’s manual for the remote’s operational
instructions.
For this scenario to be enabled SW1-1 must be set to the OFF position
(Default).
• SCENARIO #2 Third party heat pump thermostat (Not Included):
Allows the control of the air handler via the built-in 24V interface.
For this scenario to be enabled SW1-1 must be set to the ON position.
Fig. 13 — Connection Methods for 18K-36K Residential Units
Fig. 14 — Connection Methods for 36K-60K Light Commercial Units