DURASTAR DRAM30S1A - Wiring Method Configurations; Connection Methods 1, 2, and 3 Wiring

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Wiring Methods (cont.)
Connection Method A: Connection Method B:
Refer to the wiring method of internal and
external machine communication and wired
controller as follows:
To use a 24V thermostat, you need to refer to the
following wiring:
WARNING
Please refer to the wiring nameplate for the wiring method.
Connection Method 2: RS485 Communication
Use this connection method to connect the DRSTAT100 that is included with the air
handler.
Connection Method 1: RS485 Communication + 24V Thermostat
Use this method to connect a 24V thermostat while the indoor and outdoor are connected via
RS485 communication.
Connection Method A: Connection Method B:
Refer to the wiring method of internal and
external machine communication and wired
controller as follows:
To use a 24V thermostat, you need to refer to the
following wiring:
Connection Method A: Connection Method B:
Refer to the wiring method of internal and
external machine communication and wired
controller as follows:
To use a 24V thermostat, you need to refer to the
following wiring:
Connection Method 3: 24V Communication
Use this method for full 24V communication. Refer to 24V wiring methods on page 39 depending
on your application. Note: S1-2 must be flipped on at the outdoor unit.
Indoor
Unit SW1
Indoor
Unit SW1
Indoor
Unit SW1
ON
1 2 3 4
CN6
TO 24V THERMOSTAT
S1
R C Y1 Y2 L
S2 B W D
S1
Note: Outdoor 24V Connection
DO NOT WIRE!!