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Summary of Contents for ForestAir FGH-42ES-MZ
- Page 1 OWNER’S MANUAL MZ SERIES FGH-42ES-MZ Thank you for choosing our product. Please read this owner’s manual carefully before operating the unit and keep it for future reference.
- Page 3 (4) The total capacity of the indoor units which runs at the same time can not exceed that of the outdoor units; otherwise, the cooling (heating) effect of each indoor unit would be poor. Model FGH-42ES-MZ Minimum number of connectable indoor units...
- Page 4 User Notice This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities or lack of experience and knowledge unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety. Children should be supervised to ensure that they do not play with the appliance.
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Page 5: Table Of Contents
Contents 1 Safety Precautions....................1 2 Product Introduction....................3 2.1 Name of Main Parts..........................3 2.2 Combinations for outdoor and indoor units ..................4 2.3 Rated working condition ........................5 2.4 The range of production working temperature..................5 3 Preparation before Installation .................. 6 3.1 Standard parts ............................ -
Page 6: Safety Precautions
MZ series 1 Safety Precautions This is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all safety messages that follow this symbol to avoid possible injury or death. This mark indicates procedures which, if improperly performed, might lead to the death or serious injury of the user. - Page 7 MZ series We are not responsible of personal injury or equipment damage caused by improper insta llation and commission, unnecessary service and incapable of following the rules and instructions listed in this manual.
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Page 8: Product Introduction
30KBtu to 42KBtu, which can be widely used in boarding house and working area and especially applicable to the place with variable load change. Our commercial air conditioner is absolutely your best choice. 2.1 Name of Main Parts ① ② ③ ⑤ ④ FGH-42ES-MZ ① ② ③ ④ ⑤ Name Motor... -
Page 9: Combinations For Outdoor And Indoor Units
Model Capacity Code Outdoor unit GWH09QB-D3DNA5E/I Lomo GWH12QC-D3DNA5E/I GWH18MC-D3DNA3F/I GWH24QE-D3DNA5E/I Wall mounted GWH09QC-D3DNA5D/I Lomo GWH12QC-D3DNA5D/I GWH18QD-D3DNA5G/I GWH24QE-D3DNA5D/I GTH(09)BA-D3DNA1A/I GTH(12)BA-D3DNA1A/I Flooring ceiling GTH(18)BA-D3DNA1A/I FGH-42ES-MZ GTH(24)BA-D3DNA1A/I GFH(09)EA-D3DNA1A/I GFH(12)EA-D3DNA1A/I Duct type GFH(18)EA-D3DNA1A/I GFH(21)EA-D3DNA1A/I GFH(24)EA-D3DNA1A/I GKH(12)BA-D3DNA2A/I Cassettle type GKH(18)BA-D3DNA2A/I GKH(24)BA-D3DNA1A/I GEH(09)AA-D3DNA1C/I Console GEH(12)AA-D3DNA1C/I GEH(18)AA-D3DNA1C/I... -
Page 10: Rated Working Condition
MZ series 2.3 Rated working condition Table 2 Indoor side state Outdoor side state Dry bulb temp.℉ Wet bulb temp.℉ Dry bulb temp.℉ Wet bulb temp.℉ Rating cooling 80.06 66.92 75.02 Rating Heating 69.98 60.08 43.00 NOTICE 1) The following listed cooling /heating capacity and noise is tested before outgoing. 2) The parameters below are tested under rated working condition. -
Page 11: Preparation Before Installation
MZ series 3 Preparation before Installation 3.1 Standard parts Please use the following standard parts supplied by us. Table 4 Pars of Outdoor Unit Number name picture Quantity Remark Owner's manual Tube connector 42K:9 subassy 3.2 Selecting installation site 1) Install the unit at a place where is adequate to withstand the weight of the unit and make sure the unit would not shake or fall off. -
Page 12: Piping Connection
Max. Height Difference between Indoor Model Max. Pipe length(ft) Unit and Outdoor Unit (ft) Liquid When the outdoor unit is above, maximum height difference between indoor and outdoor units is up to 49.2ft; FGH-42ES-MZ 1/4'' 3/8'' 246.1 When indoor unit above, maximum height difference between indoor and outdoor units is up to 49.2ft;... -
Page 13: Installation Instruction
MZ series 4 Installation Instruction 4.1 Outline and dimension of the outdoor unit FGH-42ES-MZ Outline dimension and Mounting holes 14 1/4 42 1/2 17 1/3 24 5/6 Unit:inch Fig 5... -
Page 14: Installation Of The Connection Pipe
4.2.2 Allowable pipe length and drop height among indoor and outdoor units If the total refrigerant pipe length (liquid pipe) is smaller than that listed in the table below, no additional refrigerant will be charged. Table 6 Model FGH-42ES-MZ Total Liquid Pipe 131.2ft Lenght (a+b+c+d+e) - Page 15 MZ series Allowable Length and Height Fall of the Refrigerant Pipe Table 7 Allowable V alue Fitting Pipe FGH-42ES-MZ Total length (actual length) of fitting 246.1ft +…+L (M ≤5) pipe Length of farthest fitting pipe (ft) 82ft （X=1，2，3，4,5） Outdoor unit at Height difference 49.2ft...
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Page 16: Air Purging And Refrigerant Charge
MZ series After the pipe is protected well enough, never bend it to form a small angle; otherwise it would crack or break. (3)Wrap the Pipe with Tape： a. Bundle the refrigerant pipe and electric wire together with tape, and separate them from the drain pipe to prevent the condensate water overflowing. -
Page 17: Electric Wiring
Table 8 Recommended Cord（pieces× Models Power Supply Capacity of the air Switch（A） sectional area） 3×0.0062 sq in 3×0.0062 sq in FGH-42ES-MZ 208/230V~60Hz... - Page 18 MZ series FGH-42ES-MZ Fig 12 4.4.2 Earthing Requirements (1) The air conditioner is classified into the Class I appliances, so its earthing must be reliable. (2) The yellow-green line of the air conditioner is the earth line and can not be used for other purpose, cut off or fixed by the tapping screw;...
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Page 19: Troubleshooting
MZ series 5 Troubleshooting 1) In the event of abnormal conditions (like, stinky smell), please shut off the main power supply immediately and then contact the appointed service center; otherwise the continuous abnormal running would damage the air conditioning unit and also would cause electric shock or fire hazard etc. 2) Do not repair the air conditioning personally but instead contact the professionally skilled personnel at the appointed service center, as the incorrect repair would cause electric shock or fire hazard etc. -
Page 20: The Conditions Listed Below Are Not Classified Into Errors
MZ series 6 The conditions listed below are not classified into errors. Table 10 Conditions Causes When restart the unit soon after it is The overload protection switch of the unit let the stopped. startup delayed for three minutes. The unit does not run The unit will stand by for approximate one As soon as power is on. - Page 21 MZ series running next operation Mode conflict COOL or HEAT mode can not When the indoor operating mode conflicts with that of be operated outdoor unit, indoor fault indicator will flash and conflict will be shown on the wired controller after 5 minutes. Indoor unit stops to run and meanwhile change outdoor operating mode as the same as that of indoor unit, then the unit will go back to normal.
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Page 22: Troubleshooting
MZ series 7 Troubleshooting The error code will be displayed on the wired controller and the main board of the outdoor unit The meaning of each error, as shown in table 12. Table 12 The indicator display Name of malfunction Yellow light Red light Green light... -
Page 23: Maintenance
MZ series 8 Maintenance Regular check, Maintenance and care should be performed by professional personnel, which will prolong the unit life span. 8.1 Outdoor heat exchanger Outdoor heat exchanger is required to be cleaned once every two months. Use vacuum cleaner with nylon brush to clean up dust and sundries on the surface of heat exchanger. -
Page 24: After-Sales Service
MZ series 9 After-sales Service In case the air-conditioning unit you bought has any quality problem or you have any inquiry, please contact the local after-sales service agency designated by us. Warranty should meet the following requirements: (1) First run of the unit should be operated by professional personnel from appointed service center. (2) Only our manufactured accessories can be used on the machine.
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