INSTALLATION, OPERATION & MAINTENANCE MANUAL InverterFlex Series® Ceiling Cassette Wired Remote Control & Wireless Remote Control VFH 12/18/24CA Heat Controller • 1900 Wellworth Ave. • Jackson, MI 49203 • (517)787-2100 • www.heatcontroller.
VFH InverterFlex® - Ceiling Cassette Control Heat Controller Contents Ⅰ Wired Remote Controller................................................................................ 1 1 Symbols on LCD ........................................................................................... 1 1.1 Outside View of the Wired Remote Controller ...................................................... 1 1.2 LCD of the Wired Remote Controller ....................................................................
Heat Controller VFH InverterFlex® - Ceiling Cassette Control Wired Remote Controller XK19 Ⅰ Wired Remote Controller 1 Symbols on LCD 1.1 Outside View of the Wired Remote Controller F AUTO TURBO SET HOUR SHIELD MEMORY MASTER SAVE E-HEATER BLOW CO2 QUIET A U T O Enter/cancel Enter/Cancel Fan Mode Function Timer On/Off Fig.1 Outside View of the Wired Remote Controller 1.
VFH InverterFlex® - Ceiling Cassette Control Heat Controller Wired Remote Controller XK19 Table 1 No. Symbols Description 1 Swing function. 2 Sleep function (Only sleep 1). 3 Running modes of the indoor unit (Cooling, Dry, Fan and Heating). 4 Defrosting function for the outdoor unit. 5 Gate-control function (this function is yet unavailable for this unit). 6 Lock function. 7 High, middle, low or auto fan speed of the indoor unit.
Heat Controller VFH InverterFlex® - Ceiling Cassette Control Wired Remote Controller XK19 2.2 Function of the Buttons Table 2 No. Name 1 Enter/Cancel 2 ▲ 6 ▼ 3 Fan Function Function selection and cancellation. ① Running temperature setting of the indoor unit, range:16 ～ 30℃ . ② Timer setting, range:0.5-24 hr. Setting of the high/middle/low/auto fan speed. 4 Mode 5 Function 7 Timer Timer setting. 8 On/Off Turn on/off the indoor unit.
VFH InverterFlex® - Ceiling Cassette Control Heat Controller Wired Remote Controller XK19 3 Operation Instructions 3.1 On/Off Press On/Off to turn on the unit and turn it off by another press. Note: The state shown in Fig.4 indicates the “Off” state of the unit after power on. The state shown in Fig.5 indicates the “On” state of the unit after power on. Fig. 4 “Off” State Fig. 5 “On” State 3.
Heat Controller VFH InverterFlex® - Ceiling Cassette Control Wired Remote Controller XK19 Fig.6 3.4 Fan Setting Under the “On”/”Off” state of the unit, press Fan and then fan speed of the indoor unit will change circularly as shown in Fig.7. Low Middle High AUTO Enter/Cancel Fan Mode Function Timer On/Off Fig.7 3.5 Timer Setting Under the “On”/”Off” state of the unit, press Timer to set timer off/on. Timer on setting: press Timer, and then LCD will display “xx.x hour”, with “hour” blinking.
VFH InverterFlex® - Ceiling Cassette Control Heat Controller Wired Remote Controller XK19 Fig. 8 Timer off Setting under the “On” State of the Unit Timer range: 0.5-24hr. Every press of ▲or ▼ will make the set time increased or decreased by 0.5hr. If either of them is pressed continuously, the set time will increase/ decrease by 0.5hr every 0.5s.
Heat Controller VFH InverterFlex® - Ceiling Cassette Control Wired Remote Controller XK19 3.6 Swing Setting Swing On: Press Function under on state of the unit to activate the swing function. In this case, will blink. After that, press Enter/Cancel to make a confirmation. Swing Off: When the Swing function is on, press Function to enter the Swing setting interface, with blinking. After that, press Enter/Cancel to cancel this function. Swing setting is shown as Fig.9. Fig. 9 Swing Setting Note: ① .
VFH InverterFlex® - Ceiling Cassette Control Heat Controller Wired Remote Controller XK19 3.7 Sleep Setting Sleep on: Press Function under on state of the unit till the unit enters the Sleep setting interface. Press Enter/Cancel to confirm the setting. Sleep off: When the Sleep function is activated, press Function to enter the Sleep setting interface. After that, press Enter/Cancel to can this function.
Heat Controller VFH InverterFlex® - Ceiling Cassette Control Wired Remote Controller XK19 3.8 Turbo Setting Turbo function: The unit at the high fan speed can realize quick cooling or heating so that the room temperature can quickly approach the setting value. In the Cooling or Heating mode, press Function till the unit enters the Turbo setting interface and then press Enter/Cancel to confirm the setting.
VFH InverterFlex® - Ceiling Cassette Control Heat Controller Wired Remote Controller XK19 3.9 E-heater Setting E-heater (auxiliary electric heating function): In the Heating mode, E-heater is allowed to be turned on for improvement of efficiency. Once the wired remote controller or the remote controller enters the Heating mode, this function will be turned on automatically. Press Function in the Heating mode to enter the E-heater setting interface and then press Enter/Cancel to cancel this function.
Heat Controller VFH InverterFlex® - Ceiling Cassette Control Wired Remote Controller XK19 3.10 Blow Setting Blow function: After the unit is turned off, the water in evaporator of indoor unit will be automatically evaporated to avoid mildew. In the Cooling or Dry mode, press Function till the unit enters the Blow setting interface and then press Enter/Cancel to active this function.
VFH InverterFlex® - Ceiling Cassette Control Heat Controller Wired Remote Controller XK19 3.11 Other Functions (1). Lock Upon startup of the unit without malfunction or under the “Off” state of the unit, press ▲ and ▼ at the same time for 5s till the wired remote controller enters the Lock function. In this case, LCD displays . After that, repress these two buttons at the same time for 5s to quit this function. Under the Lock state, any other button press won’t get any response. (2).
Heat Controller VFH InverterFlex® - Ceiling Cassette Control Wired Remote Controller XK19 4 Installation and Dismantlement 4.1 Connection of the Signal Line of the Wired Remote Controller ● Open the cover of the electric control box of the indoor unit. ● Let the single line of the wired remote controller through the rubber ring. ● Connect the signal line of the wired remote controller to the 4-pin socket of the indoor unit PCB. ● Tighten the signal wire with ties.
VFH InverterFlex® - Ceiling Cassette Control Heat Controller Wired Remote Controller XK19 3 2 1 6 7 8 9 4 5 10 Fig.15 Fig.15 shows the installation steps of the wired remote controller, but there are some issues that need your attention. (1). Prior to the installation, please firstly cut off the power supply of the wire buried in the installation hole, that is, no operation is allowed with electricity during the whole installation. (2).
Heat Controller VFH InverterFlex® - Ceiling Cassette Control Wired Remote Controller XK19 cord and connection lines between the indoor and outdoor unit, with a minimum interval of 20cm, otherwise the communication of the unit will probably work abnormally. ② . If the air conditioning unit is installed where is vulnerable to electromagnetic interference, then the signal and communication lines of the wired remote controller must be the shielding twisted pair lines. 4.
VFH InverterFlex® - Ceiling Cassette Control Heat Controller Wired Remote Controller XK19 Table 4 Meaning of Each Error Error Return air temperature sensor open/short circuited evaporator temperature sensor open/short circuited Indoor unit liquid valve temperature sensor open/short circuited Indoor gas valve temperature sensor open/ short circuited IPM temperature sensor open/short circuited Error Code Error Error Code F1 Drive board communication error P6 F2 Compressor overheating protection H3
Heat Controller VFH InverterFlex® - Ceiling Cassette Control Wireless Remote Controller YT1F Ⅱ Wireless Remote Controller Notes: ① . Be sure that there are no obstructions between the receiver and the remote controller; ② . Do not drop or throw the remote controller; ③ . Do not let any liquid into the remote controller and expose the remote controller to direct sunlight or any place where is very hot. ④ . This is a general use remote controller.
VFH InverterFlex® - Ceiling Cassette Control Heat Controller Wireless Remote Controller YT1F 3) SLEEP Sleep On and Sleep Off can be selected by pressing this button. After powered on, the default is Sleep Off. After the unit is turned off, the Sleep function is canceled. When the sleep function is set already, the symbol will be displayed. And at this time, the time of timer can be adjusted. Under Fan and Auto modes, this unction is not available.
Heat Controller VFH InverterFlex® - Ceiling Cassette Control Wireless Remote Controller YT1F temperature, or indoor ambient temperature. When the indoor unit is powered on, the indoor set temperature will be displayed, while if the status is changed to , the indoor ambient temperature will be displayed. However, the indoor set temperature will be displayed again when the controller receives other remote controls signals. Without setting this function, the default is the indoor set temperature.
VFH InverterFlex® - Ceiling Cassette Control Heat Controller Wireless Remote Controller YT1F d. Press FAN to set the fan speed, Auto, Low, Medium, or High. e. Press to select the swing angle. 3 Guide for Optional Operation a. About X-FAN This function indicates that moisture in the evaporator of the indoor unit will be dried after the unit is stopped to avoid mould. ① .
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