Nortek GFU18USV4DH Скачать руководство пользователя страница 26 | Manualshive

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DC Inverter U-match Series Floor Ceiling Type Unit

23

(4). Electric wiring between the indoor and outdoor units

Single-phase units (18k-30k)

Single-phase units (36k-48k)

Fig. 4.29

(5). Electric wiring of indoor unit side

Remove the left cover plate and the electric box cover then insert the end of the

communication cord and the power cable into the terminal board.

Fig. 4.30

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Содержание GFU18USV4DH

Страница 1: ...ithout notice or incurring obligations If you have lost the owner s manual please visit www NortekHVAC com for electronic version Indoor Unit Outdoor Unit GFU18 5 3 USV4DH GXH18 5 3 USV4DH GFU24 7 0 U...

Страница 2: ......

Страница 3: ...ement 6 4 Unit Installation 7 4 1 Indoor Unit Installation 7 4 2 Outdoor Unit Installation 11 4 3 Connection Pipe Installation 12 4 4 Vacuum and Gas Leakage Inspection 16 4 5 Drain Pipe Installation 1...

Страница 4: ...til all installation work is complete 8 During installation make sure that the refrigerant pipe is securely attached before you run the compressor z Do not operate the compressor with 2 way or 3 way v...

Страница 5: ...DC Inverter U match Series Floor Ceiling Type Unit 2 Fig 2 1 Installer must properly connect refrigeration pipe drain pipe power cord and ductwork 3 Pre Installation Check List...

Страница 6: ...cure the hook on the cabinet of the unit 2 Wireless Controller Battery 1 2 To control the indoor unit 3 Insulation 1 To insulate the gas pipe 4 Insulation 1 To insulate the liquid pipe 5 Fastener 4 To...

Страница 7: ...ust not operate the unit Decide the installation location with the customer as follows 3 2 1 Indoor Unit 1 Check the support structure to verify that it has sufficient load carrying capacity to suppor...

Страница 8: ...where the condensate water can be drained out freely during heating operation 4 Do not place animals and plants in the path of the warm air 5 Select a location where sound and vibration will have lit...

Страница 9: ...V4DH 9 5 3 8 16 5 8 50 164 15 49 17X1 75 5 8 X 1 16 GFU48 14 1 USV4DH GXH48 14 1 USV4DH 9 5 3 8 16 5 8 70 230 15 49 17X1 75 5 8 X 1 16 Notes The connecting pipe should be thermally insulated The pipe...

Страница 10: ...G18 as the communication lines between indoor and outdoor unit with their longest lengths of 50m 164feet Please select the appropriate line length per the actual installation conditions The communicat...

Страница 11: ...ig 4 1 Table 4 1 Unit mm inch Model A B C D H GFU18 5 3 USV4DH GFU24 7 0 USV4DH 1220 48 225 8 7 8 1160 45 5 8 280 11 700 27 1 2 GFU30 8 8 USV4DH GFU36 10 6 USV4DH GFU42 12 3 USV4DH 1420 55 7 8 245 9 5...

Страница 12: ...template Fig 4 2 2 Insert the anchor bolts into the drilled holes and drive the pins completely into the anchor bolts with a hammer 3 Remove the right and left side panels 4 Put the hanger bolt into t...

Страница 13: ...ig 4 4 6 Adjust the height of the unit to make the drain pipe slant slightly downward so that the drainage will become much smoother 4 1 4 Leveling The water level test must be done after installing t...

Страница 14: ...5 16 3 4 790 31 1 8 610 24 395 15 1 2 GXH30 8 8 USV4DH GXH36 10 6 USV4DH 1105 43 5 8 440 17 3 8 1100 43 1 4 630 24 7 8 400 15 3 4 GXH42 12 3 USV4DH 960 37 3 4 410 16 1 4 1350 53 1 8 570 22 1 2 375 14...

Страница 15: ...ownward to prevent cuttings from entering the pipe 3 Remove the flare nut from the stop valve on the outdoor unit Get another flare nut from the accessory bag for the indoor unit Insert pipe through f...

Страница 16: ...or unit correctly Center the flare nut on the fitting before tightening Do not force the nut to turn or the threads will be damaged and the system will leak Do not remove the flare nut until the conne...

Страница 17: ...5mm 3 8inch 35 40N m 26 29ft 1b 12 7mm 1 2inch 45 50N m 33 37ft 1b 16mm 5 8inch 60 65N m 44 48ft 1b Be sure to connect the gas pipe after connecting the liquid pipe completely 4 3 4 Connecting the Pip...

Страница 18: ...ler heat insulation large and small to the pipe connections Fig 4 14 4 3 7 Liquid Pipe and Drain Pipe 1 If the outdoor unit is installed lower than the indoor unit See Fig 4 15 1 A drain pipe should t...

Страница 19: ...of the unit s gas valve The gas and liquid valves should be kept closed in case of refrigerant leak 3 Connect the hose used for evacuation to the vacuum pump 4 Open the switch at the lower pressure si...

Страница 20: ...8 Replace the caps of the liquid valve gas valve and service port Fig 4 17 Note For the large sized unit it has the service port for both the gas valve and the liquid valve During evacuation it is pos...

Страница 21: ...ipe Installation 1 4 5 1 Precautions 1 Keep piping as short as possible and slope it downwards at a gradient of at least 1 100 so that air may not remain trapped inside the pipe 2 Keep pipe size equal...

Страница 22: ...ipe clamp and the drain hose using heat insulation sponge Fig 4 23 Metal clamp Insulation sponge Note Step 1 to Step 3 have been finished by the manufacturer 4 If drain hose requires extension obtain...

Страница 23: ...6 Electrical Wiring 4 6 1 Wiring Precautions Before obtaining access to terminals all supply circuits must be disconnected The rated voltage of the unit is as shown as Table 3 4 and Table 3 5 Before t...

Страница 24: ...will need to be adjusted 4 6 2 Electrical Wiring 1 For solid core wiring Fig 4 26 1 Cut the wire end with a wire cutter or wire cutting pliers then strip the insulation about 25mm 1inch 2 Using a scre...

Страница 25: ...rk check that power is not being supplied to the indoor unit and outdoor unit Match the terminal block numbers and connection cord colors with those of the indoor unit side Faulty wiring may damage th...

Страница 26: ...e indoor and outdoor units Single phase units 18k 30k Single phase units 36k 48k Fig 4 29 5 Electric wiring of indoor unit side Remove the left cover plate and the electric box cover then insert the e...

Страница 27: ...e indoor outdoor connection cord and power cord respectively on the terminal boards with screws Faulty connection may cause a fire If the indoor unit connection cord to the outdoor unit and power supp...

Страница 28: ...3 E3 Compressor low pressure protection refrigerant lack protection and refrigerant colleting mode 4 E4 Compressor high discharge temperature protection 5 E6 Communication error 6 E8 Indoor fan motor...

Страница 29: ...rol and drive 32 P7 Drive module sensor error 33 P8 Drive module over temperature protection 34 P9 Zero passage protection 35 PA AC current protection 36 Pc Drive current error 37 Pd Sensor connecting...

Страница 30: ...ominal Heating 21 1 70 0 15 6 60 0 8 33 47 0 6 11 43 0 Rated Cooling 26 7 80 0 19 4 67 0 46 1 115 0 23 9 75 0 Low Temp Cooling 19 4 67 0 13 9 57 0 18 0 0 Rated Heating 26 7 80 0 23 9 75 0 18 3 65 0 Lo...

Страница 31: ...C 115 F Poor cooling performance The air filter is dirty or blocked There is heat source or too many people inside the room The door or window is open There is obstacle at the air intake or outlet Th...

Страница 32: ...rille Unfasten two tabs on the grille as shown on the picture Remove the screws under the tabs with a screwdriver and open the inlet grille 2 Clean the filer screen Clean the filer screen by a vacuum...

Страница 33: ...s controller need replacing 4 Check if the air filter is properly installed If the unit has not been used for an extended period of time the power supply must be turned on for 8 hours to heat up the O...

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Страница 36: ...Specifications illustrations subject to change without notice or incurring obligations O Fallon MO 11 16 Nortek Global HVAC LLC 2016 All Rights Reserved 631E 1116...

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