Friedrich DWC1 Manual De Instalación Y Operaciones página 7

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③ Make sure each wire is securely fastened under each screw terminal and the wires are not in contact with
each other.
④ Please connect the Terminal blocks of indoor unit's C/BOX and wired remote controller by referring to the
images and contents shown below.
Connect the yellow(signal) part of the Thermostat's terminal block and the 'YL' part of the indoor unit's
terminal block.
Connect the red(12 V) part of the Thermostat's terminal block and the 'RD' part of the indoor unit's terminal
block.
Connect the black(GND) part of the Thermostat's terminal block and the 'BK' part of the indoor unit's
terminal block.
Thermostat PCB
YELLOW RED BLACK
Signal 12V
GND
❈ In case of loose screws or insufficient contact between the terminal and the wire, thermostat may not function
properly.
❈ When the power is off on the Thermostat, check the connection between the Thermostat and Terminal Block.
❈ Use an appropriate screwdriver for tightening the terminal screws. A screwdriver with a small head will strip
the screw head and make tightening difficult.
❈ Over-tightening terminal screw may cut wires or cause irreparable damage to thermostat.
CAUTION
• Installation work must be performed in accordance with the national wiring standards and local code by
authorized personnel only.
• Apply enclosed noncombustible conduit(metal raceway) or use cable above FT-6 in case of local electric &
building code that requires plenum(CMP)cable usage.
• AWG#22, 3 core shielded is recommended when using the large hole in the center of the backplate.
• AWG#24, 3 core shielded is recommended when using the side or top knock-out of the backplate.
5 Please use an extension cable if the distance between the Thermostat and the
indoor unit is longer than 32 ft (10 m).
CAUTION
When installing thermostat, installation should be flush to a flat wall surface, no installation below the typical
wall surface is allow. (Damage to temperature sensor will occur.)
Do not install the cable to be 164 ft (50 m) or longer. (Communication error can occur.)
Thermostat PCB
Terminal
block Remark
Indoor unit
YELLOW
side
RED
BLACK
Owner's & Installation Manual 7
Installation instruction
Indoor
Terminal
Function
block
YL
Signal
RD
12V
BK
GND

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