Connection Diagrams And Control Methods - Carrier 40MBAB Series Service Manual

40MBAB: Service Manual

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):
Fig. 14 — Connection Methods for 36K-60K Light Commercial Units
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
Fig. 13 — Connection Methods for 18K-36K Residential Units
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.
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