Friedrich PTAC - R410A Electronic Control Board, Remote Wall Thermostat Wiring Diagram

Models: PTAC - R410A

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REMOTE WALL THERMOSTAT WIRING DIAGRAM

REMOTE WALL THERMOSTAT WIRING DIAGRAM

COOL WITH ELECTRIC HEAT

LEGEND FOR T-STAT WIRING HARNESS

R24 VAC Power From Unit

Y Coil for Cooling W Call for Heat

O Reversing Valve Energized in cooling mode

GL

Call for Low Fan

GH

Call for High Fan

RT6 - Two Speeds Fan T-Stat - Field Provided

-- -- -- Field Wiring

THERMOSTAT CONNECTIONS

 

 

 

 

 

 

 

 

 

GH

 

 

 

R

 

 

 

 

 

 

 

 

 

GL

 

 

 

Y

 

 

 

 

 

 

 

 

 

O

 

 

 

W

 

 

 

 

 

 

 

Wire

B

 

 

 

O

 

 

 

 

 

 

 

 

 

 

Jumper

Y

 

 

 

GL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

W

 

 

 

GH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RC

 

 

 

C

 

 

 

 

 

 

 

 

 

RH

 

 

 

 

 

 

 

 

 

 

 

 

 

C

 

 

 

 

 

 

 

 

 

 

 

RT6

 

Disk control

EXT.

 

SW

 

 

 

 

or

EXT.

 

 

 

 

Auxillary fan

 

 

 

 

 

 

SW

 

 

 

 

 

 

 

Electronic

Control

Board

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Page 44
Image 44
Friedrich PTAC - R410A Electronic Control Board, Remote Wall Thermostat Wiring Diagram, Cool With Electric Heat