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ForestAir FGH-42ES-MZ, Owner'S Manual

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ForestAir FGH-42ES-MZ Owner'S Manual Download Page 8

3

MZ series 

3

2 Product Introduction 

The  MZ  System  adopts  inverter  compressor  technology.  According  to  change  displacement  of 

compressor,  stepless  capacity  regulation  within  range  of  15%~120%  can  be  realized.  Various  product  lineup  is 

provided with capacity range from 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

④

⑤

FGH-42ES-MZ

NO.

①

②

③

④

⑤

Name

Motor

Fan

Electric Box

Gas valve assembly

Liquid valve assembly

Fig1 

Summary of Contents for 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 2: ......

Page 3: ...ing their running modes the cooling mode is compatible with the dehumidifying mode and the fan mode can go with any other mode If the supply power fails when the unit is running then the indoor unit w...

Page 4: ...is necessary Exception Clauses Manufacturer will bear no responsibilities when personal injury or property loss is caused by the following reasons 1 Damage the product due to improper use or misuse of...

Page 5: ...3 3 Piping Connection 7 4 Installation Instruction 8 4 1 Outline and dimension of the outdoor unit 8 4 2 Installation of the Connection Pipe 9 4 3 Air Purging and Refrigerant Charge 11 4 4 Electric Wi...

Page 6: ...10 Never short circuit or cancel the pressure switch to prevent unit damage 11 Please firstly connect the wired controller before energization otherwise wired controller can not be used 12 Before usi...

Page 7: ...es 2 We are not responsible of personal injury or equipment damage caused by improper installation and commission unnecessary service and incapable of following the rules and instructions listed in th...

Page 8: ...n be realized V arious product lineup is provided with capacity range from 30KBtu to 42KBtu which can be widely used in boarding house and working area and especially applicable to the place with vari...

Page 9: ...ce the outdoor unit is turned off Table 1 Energy Level and Capacity Code of the Indoor Indoor unit Model Capacity Code Outdoor unit Wall mounted Lomo 16 GWH09QB D3DNA5E I 09 FGH 42ES MZ GWH12QC D3DNA5...

Page 10: ...ore outgoing 2 The parameters below are tested under rated working condition If there is any change to them please refer to the nameplate 3 The parameters of heating capacity of indoor unit for heat p...

Page 11: ...tall the unit at a place where is against dust typhoon and earthquake 3 Try to keep the unit away from combustible inflammable and corrosive gas or exhaust gas 4 Leave some space for heat exchanging a...

Page 12: ...Liquid Gas Max Pipe length ft Unit and Outdoor Unit ft FGH 42ES MZ 1 4 3 8 246 1 NOTICE 1 When the outdoor unit is above maximum height difference between indoor and outdoor units is up to 49 2ft Whe...

Page 13: ...8 MZ series 4 Installation Instruction 4 1 Outline and dimension of the outdoor unit FGH 42ES MZ Outline dimension and Mounting holes Fig 5 40 42 1 2 24 5 6 17 1 3 14 1 4 15 3 4 43 3 7 Unit inch...

Page 14: ...efrigerant pipe never pull any joints of the indoor unit by force otherwise the capillary pipe or other pipe may crack which then would result in leakage 2 The refrigerant pipe should be supported by...

Page 15: ...stic tape in order to prevent condensation and water leakage 2 The joints of the indoor unit should be wrapped with the insulating material and no gap is allowed on the joint of the indoor unit as sho...

Page 16: ...ing 1 The refrigerant has been charged into the outdoor unit before shipment while additional refrigerant still need be charged into the refrigerant pipe during the field installation 2 Check if the l...

Page 17: ...ir conditioning can be used 3 Do not pull the power cord by force 4 The electric installation should be carried out by the technician as instructed by the local laws regulations and also this manual 5...

Page 18: ...t well according to the instruction 3 The electric installation should be carried out by the technician as instructed by the local laws regulations and also this manual 4 The installation location sho...

Page 19: ...st It may cause insufficient cooling heating capacity Is the unit get proper thermal insulation It may causecondensation and dripping Does the unit drain well It may causecondensation and dripping Is...

Page 20: ...own out again NOTICE If problem can not be solved after checking the above items please contact service center and show phenomena and models Following circumstance are not malfunction Table 11 Malfunc...

Page 21: ...t of 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...

Page 22: ...3 times Outdoor ambient sensor malfunction Flash 6 times Outdoor tube sensor malfunction Flash 5 times Exhaust sensor malfunction Flash 7 times Attain the temperature of switch on Flash 8 times Freque...

Page 23: ...mote wireless controller has been replaced 4 Check if the filter screen has been set soundly 5 After long period of shutdown open the main power switch 8 hours before re operating the unit so as to pr...

Page 24: ...ency 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 accesso...

Page 25: ...20...

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