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Related Manuals for Willis WMCS09MH16S
Summary of Contents for Willis WMCS09MH16S
- Page 1 Split Air Conditioner Owner's Manual Residential Air Conditioners MODEL: WMCS09MH16S WMCS12MH16S WMCS18MH16S Thank you for choosing Residential Air Conditioners,please read this owner’s manual carefully before operation and retain it for future reference.
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Page 2: Table Of Contents
Contents OPERATION INSTRUCTIONS Part names and their functions ......................1 How to use the remote control to operate the unit ................2 Maintenance ............................7 Operating guide ..........................10 Precautions ............................12 Checking before contact the service man ..................13 INSTALLATION INSTRUCTIONS Installation of indoor unit ........................ -
Page 4: Operation Instructions
Part names and their functions OPERATION INSTRUCTIONS INDOOR UNIT CAUTION Before opening the front panel, be sure to Air outlet selection switch stop the operation and turn the breaker OFF. Do not touch the metal parts on the inside This setting blows air from upper outlet only. -
Page 5: How To Use The Remote Control To Operate The Unit
How to use the remote control to operate the unit OPERATION INSTRUCTIONS Remote Controller Description ON/OFF Press it to start or stop operation. : Press it to decrease temperature setting. : Press it to increase temperature setting. MODE Press it to select operation mode (AUTO/COOL/DRY/FAN/HEAT). - Page 6 How to use the remote control to operate the unit OPERATION INSTRUCTIONS Remote Controller Description ON/OFF : Press this button to turn on the unit .Press this button again to turn off the unit. Press this button to decrease set temperature. Holding it down above 2 seconds rapidly decreases set temperature.
- Page 7 How to use the remote control to operate the unit OPERATION INSTRUCTIONS ress this button to achieve the on and off of healthy and scavenging functions in operation status. Press this button for the first time to start scavenging function; LCD displays“...
- Page 8 How to use the remote control to operate the unit OPERATION INSTRUCTIONS QUIET: Press this button, the Quiet status is under the Auto Quiet mode (display " " and "Auto" signal) and Quiet mode (display " " singal) and Quiet OFF (there is no signal of " "...
- Page 9 How to use the remote control to operate the unit OPERATION INSTRUCTIONS Combination of "MODE " and "-" buttons : About switch between Fahrenheit and centigrade " " " - " At unit OFF, press MODE buttons simultaneously to switch between Combination of "...
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Page 10: Maintenance
Maintenance OPERATION INSTRUCTIONS Before inspection and maintenance of the unit. PLEASE set power switch to “OFF” to cut off the power supply. Units Indoor unit, Outdoor unit and Remote controller 1. Wipe them with dry soft cloth. Front panel Open the front panel. Slide the two stoppers on the left and right sides inward until they click. - Page 11 Maintenance PERAT N NSTRUCT NS Titanium Apatite Photocatalytic 4. Clean or replace each filter. Air-Purifying Filter See figure. Air filter 5. Set the air filter and Titanium Apatite Photocatalytic Air-Purifying Filter as they were and close the front panel. inside the indoor unit. 6.
- Page 12 Maintenance OPERATION INSTRUCTIONS Check Check that the base, stand and other fittings of the outdoor unit are not decayed or corroded. Check that nothing blocks the air inlets and the outlets of the indoor unit and the outdoor unit. If no drain water is seen, water may be leaking from the indoor unit. Stop operation and consult the service shop if this is the case.
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Page 13: Operating Guide
Operating guide OPERATION INSTRUCTIONS Working principle and special functions for cooling Principle: Air conditioner absorbs heat in the room and transmit to outdoor and discharged, so that indoor ambient temperature decreased, its cooling capacity will increase or decrease by outdoor ambient temperature. Anti-freezing function: If the unit is running in COOL mode and in low temperature, there will be frost formed on the heat exchanger, when indoor heat exchanger temperature decreased below 0... - Page 14 Operating guide OPERATION INSTRUCTIONS...
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Page 15: Precautions
Precautions OPERATION INSTRUCTIONS... -
Page 16: Checking Before Contact The Service Man
Checking before contact the service man OPERATION INSTRUCTIONS PROBLEM CAUSES... -
Page 17: Installation Instructions
Installation of indoor unit INSTALLATION INSTRUCTIONS CAUTIONS FOR INSTALLATION WHERE SELECTION OF INSTALLATION LOCATION. AIR CONDITIONER TROUBLEIS LIABLE Such a place where cool air can be distributed throughout the room. TOOCCUR. Such a place where condensation water is easily Where there is too much of oil area. drained out. - Page 18 Installation of indoor unit INSTALLATION INSTRUCTIONS Refrigerant piping 1)Drill a hole ( 55mm in diameter ) in the spot indicated by the symbol in the illustration as below . 2)The location of the hole is different depending on which side of the pipe is taken out . 3)For piping ,see Connecting the refrigerant pipe ,under Indoor Unit Installation(1).
- Page 19 Installation of indoor unit INSTALLATION INSTRUCTIONS Boring a wall hole and installing wall embedded pipe For walls containing metal frame or metal board ,be sure to use a wall embedded Inside Outside pipe and wall cover in the feed-through hole to prevent water leakage. Wall embedded pipe (field supply) Be sure to caulk the gaps around the pipes with caulking material to prevent...
- Page 20 Installation of indoor unit INSTALLATION INSTRUCTIONS Installing indoor unit 3 tabs 1.Preparation Casing Open the front panel, remove the 4 screws and dis- mount the front grille while pulling it forward. Front grille Follow the arrows to disengage the clasps on the front case to remove it.
- Page 21 Installation of indoor unit INSTALLATION INSTRUCTIONS The mounting plate should be installed on a wall which can support the weight of the indoor unit. 1) Temporarily secure the mounting plate to the wall, make sure that the panel is completely level, and mark the boring points on the wall.
- Page 22 Installation of indoor unit INSTALLATION INSTRUCTIONS Connecting the refrigerant pipe 1)Use torque wrenches when tightening the flare nuts to prevent damage to the flare nuts and gas leaks. Open-end wrench (fixed) Coat here with refrigeration oil Flare nut Wrench Connection pipe Indoor unit tubing 2)Align the centres of both flares and tighten the flares and tighten the flare nuts 3 or 4 turns by hand.
- Page 23 Installation of indoor unit INSTALLATION INSTRUCTIONS Checking for gas leakage 1)Check for leakage of gas after air purging 2)See the sections on air purges and gas leak checks in the installation manual for the outdoor unit. Check for leakage here Apply soapy water and ch- eck carefully for leaking gas.
- Page 24 Installation of indoor unit INSTALLATION INSTRUCTIONS Live the sensor securing plate, remove the front metal plate cover, and connect the branch wiring to the terminal block. 1)Strip wire ends (15mm) 2)Mach wire colours with terminal numbers on indoor and outdoor unit’s terminal blocks and firmly screw wires to the corresponding terminals.
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Page 25: Routine Check After Installation
Routine check after installation INSTALLATION INSTRUCTIONS Check after installation Items to be checked Possible malfunction Situation Has it been fixed firmly? The unit may drop,shake or emit noise. It may cause insufficient refrigerating capacity. Have you done the refrigerant leakage test? Is heat insulation sufficient? It may cause condensation and dripping. -
Page 26: Configuration Of Connection Pipe And Additional Volume Of Refrigerant
Configuration of connection pipe and additional volume of refrigerant INSTALLATION INSTRUCTIONS 1. Standard length of connection pipe 5m、7.5m、8m 2. Min length of connection pipe For the unit with standard connection pipe of 5m, there is no limitation for the min length of connection pipe. For the unit with standard connection pipe of 7.5m and 8m, the min length of connection pipe is 3m. - Page 27 Configuration of connection pipe and additional volume of refrigerant INSTALLATION INSTRUCTIONS Sheet 2. Additional refrigerant charging amount for R22 R407C R410A and R134a Diameter of connection pipe mm Indoor unit throttle Outdoor unit throttle Liquid pipe Gas pipe Cooling only, Cooling only Cooling and cooling and heating...
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