Carrier 42C Series Product Data
Also see for 42C Series: Installation, Start-Up and Service InstructionsInstallation instructionsProduct dataProduct dataInstallation and start-up instructions
                                                                                                                                    | |
16Controls (cont)Automatic changeover (Summer-Winter switch) —The automatic-changeover thermostat sensor is a 10 kilo-ohm thermister (33ZCSENCHG) in a moistureproof anddust-proof enclosure. Cable and temperature sensing ele-ment are hermetically sealed in a polypropylene enclosurewith epoxy resin. Device clamps on coil supply pipe withend snap-on clip.The set point temperatures are factory set. When watertemperature rises above 80 F (approximately), the sensorswitches to the winter cycle. When water temperaturedrops below approximately 70 F, the sensor switches tothe summer cycle. Switch reset is automatic.Fan coil control relay board — The fan coil relay boardis used in conjunction with the Debonair thermostat or acontroller or the FC Open controller to regulate a single-speed or multispeed fan. The fan coil relay board can alsobe used to connect the fan coil controller to a line voltagevalve actuator.The fan coil relay board is factory shipped as a PC boardwith four 1/2-in. stand-offs attached for field mounting.NOTE: One fan coil relay board is used for each applica-tion. Fan coils with two or more fan motors use a fan coilrelay board for each fan motor. A maximum of three fancoil relay boards can be wired to one fan coil control.GG2/(W)G3/(Y)COMFAN(VALVE)(COOL)HI(HEAT)MEDLOFAN COIL CONTROL RELAY BOARDa42-4186 |
Related manuals for Carrier 42C Series
This manual is suitable for:
manualsdatabase
Your AI-powered manual search engine