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C&H NORDIC COMMERCIAL 4

Floor Ceiling Type Unit

Single-phase units(36K~48K)

CH-IU36NK4

CH-IF36NK4 CH-IU42NK4

CH-

IF42NK4

① .

Power cord 3×2.5mm

(H07RN-F)

② .

Power cord 3×1.0mm

(H05RN-F)

③ .

Communication Cords 2×0.75mm

(H05RN-F)

CH-IU48NK4

CH-IF48NK4

① .

Power cord 3×6.0mm

(H07RN-F)

② .

Power cord 3×1.0mm

(H05RN-F)

③ .

Communication Cords 2×0.75mm

(H05RN-F)

Three-phase units

CH-IU36NM4

CH-IF36NK4

CH-IU42NM4

CH-IF42NK4

CH-IU48NM4

CH-IF48NK4

CH-IU60NM4

CH-IF60NK4

① .

Power cord 5×1.5mm

(H07RN-F)

② .

Power cord 3×1.0mm

(H05RN-F)

③ .

Communication Cords 2×0.75mm

(H05RN-F)

Fig.32

(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.33

Содержание CH-IF09NK4

Страница 1: ...visit www cooperandhunter or sent email to info cooperandhunter com or electronic version C H reserves the right to interpret this manual which will be subject to any change due to product improvement without further notice CH IF09NK4 CH IU09NK4 CH IF12NK4 CH IU12NK4 CH IF18NK4 CH IU18NK4 CH IF24NK4 CH IU24NK4 CH IF30NK4 CH IU30NK4 CH IF36NK4 CH IU36NK4 CH IF42NK4 CH IU42NK4 CH IF48NK4 CH IU48NK4 ...

Страница 2: ...f the Unit 8 4 1 Installation of the Indoor Unit 8 4 2 Installation of the Outdoor Unit 10 4 3 Installation of the Connection Pipe 12 4 4 Vacuum and Gas Leakage Inspection 15 4 5 Installation of the Drain Pipe 17 4 6 Electrical Wiring 19 5 Installation of Controllers 24 6 Test Running 24 6 1 Trial Operation and Testing 24 6 2 Working Temperature Range 26 7 Troubleshooting and Maintenance 27 7 1 Tr...

Страница 3: ...pressor under the condition of refrigerant piping not attached properly with 2 way or 3 way valve open This may cause abnormal pressure in the refrigeration cycle that leads to breakage and even injury 7 During the pump down operation make sure that the compressor is turned off before you remove the refrigerant piping Do not remove the connection pipe while the compressor is in operation with 2 wa...

Страница 4: ...2 Air filter 3 Wired controller 4 Wireless Controller 5 Binding tape 6 Drain Pipe 7 Gas Pipe 8 Lipuid Pipe 9 Big Handle 10 Front Board 3 4 5 6 7 9 8 10 1 2 Air inlet Air outlet Fig 1 Notes The connection pipe and duct for this unit should be prepared by the user This unit is standard equipped with the rectangular duct ...

Страница 5: ...k 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 Installation Paperboard 2 To insulate the drain pipe 6 Fastener 4 To fasten the sponge 7 Nut 1 To connect gas pipe 8 Nut 1 To connect liquid pipe Table 2 Outdoor Unit Accessories No Name Appearance Q ty Usage 1 Drain Plug 3 T...

Страница 6: ...t to operate the unit Decide the installation location with the customer as follows 3 2 1 Indoor Unit 1 Install the unit at a place where is strong enough to withstand the weight of the unit 2 The air inlet and outlet of the unit should never be clogged so that the airflow can reach every corner of the room 3 Leave service space around the unit as required in Fig 2 Floor type Unit mm 600 1000 300 ...

Страница 7: ...oor unit 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 Take the air conditioner weight into account and select a place where noise and vibration are small 6 Install the outdoor unit where is capable of withstanding the weight of the unit and generates as less noise and vibration as possible 7 Provide th...

Страница 8: ...8 30 15 φ17 1 75 CH IU42NK4 CH IU42NM4 3 8 5 8 50 30 φ17 1 75 CH IU48NK4 CH IU48NM4 3 8 5 8 50 30 φ17 1 75 CH IU60NK4 CH IU60NM4 3 8 3 4 50 30 φ17 1 75 1 The connecting pipe should be thermally insulated properly 2 The pipe wall thickness shall be 0 5 1 0mm and the pipe wall shall be able to withstand the pressure of 6 0 MPa The longer the connecting pipe the lower the cooling and heating effect p...

Страница 9: ...sed at 40 С and resistible to 90 С see IEC 60364 5 52 If the working condition changes they should be modified according to the related national standard The specifications of the breaker listed in the table above are applied to the breaker with the working temperature at 40 С If the working condition changes they should be modified according to the related national standard Take 2 pieces of power...

Страница 10: ...e main unit and which will not amplify sound or vibration If the installation location is not strong enough the indoor unit may fall and cause injuries If the job is done with the panel frame only there is a risk that the unit will come loose Please take care Fig 4 Table 6 Model A B C D H CH IF09NK4 1220 225 1158 280 700 CH IF12NK4 CH IF18NK4 CH IF24NK4 CH IF30NK4 1420 245 1354 280 700 CH IF36NK4 ...

Страница 11: ...Indoor Unit Installation 1 Determine the location of the hanger through the paper template and then remove the paper template Paper template Anchor bolt Fig 5 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 the clasp of the indoor unit and tighten screws on the hang...

Страница 12: ... slightly downward so that the drainage will become much smoother 4 1 4 Leveling The water level test must be done after installing the indoor unit to make the unit is horizontal as shown below Horizontal tester Fig 8 4 2 Installation of the Outdoor Unit WARNING Install the unit where it will not be tilted by more than 5 During installation if the outdoor unit has to be exposed to strong wind it m...

Страница 13: ...4 1085 427 1365 620 395 4 2 2 Condensate Drainage of the Outdoor Unit Only for the heat pump unit Fig 10 1 It is required to install a drain pipe for the outdoor unit to drain out the condensate water during heating operation only for the heat pump unit 2 When installing the drain pipe apart from the drain pipe mounting hole all other holes should be plugged so as to avoid water leakage only for t...

Страница 14: ... spread evenly and there are no cracks see Fig 11 Fig 11 4 3 2 Bending Pipes 1 The pipes are shaped by your hands Be careful not to collapse them Fig 12 2 Do not bend the pipes in an angle more than 90 3 When pipes are repeatedly bent or stretched the material will harden making it difficult to bend or stretch them any more Do not bend or stretch the pipes more than three times 4 When bending the ...

Страница 15: ...maged Do not remove the flare nut until the connection pipe is to be connected so as to prevent dust and impurities from coming into the pipe system When connecting the pipe to the unit or removing it from the unit please do use both the spanner and the torque wrench Fig 14 When connecting smear both inside and outside of the flare nut with refrigeration oil screw it hand tight and then tighten it...

Страница 16: ...necting the Pipe at the Outdoor Side Unit Tighten the flare nut of the connection pipe at the outdoor unit valve connector The tightening method is the same as that as at the indoor side 4 3 5 Checking the Pipe Connections for Gas Leaking For both indoor and outdoor unit side check the joints for gas leaking by the use of a gas leakage detector without fail when the pipes are connected 4 3 6 Heat ...

Страница 17: ... and taped together and also should be trapped to prevent water from returning to the room See Fig 19 3 Restraint all pipes to the wall with saddles 4 4 Vacuum and Gas Leakage Inspection CAUTION Do not purge the air with refrigerants but use a vacuum pump to vacuum the installation There is no extra refrigerant in the outdoor unit for air purging 4 4 1 Vacuum 1 Remove the caps of the liquid valve ...

Страница 18: ...he connection pipe to balance the pressure inside and outside of the connection pipe so that air will not come into the connection pipe when removing the hose Note that the gas and liquid valve can be opened fully only after the manifold valve assembly is removed 8 Place back the caps of the liquid valve gas valve and also the service port Hose with the valve pin gauge manifold pipe pipe VAC valve...

Страница 19: ...oor 6m Fig 21 4 5 Installation of the Drain Pipe 4 5 1 Precautions When Doing the Piping Work 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 to or greater than that of the connecting pipe 3 Install the drain piping as shown and take measures against condensation Improperly rigged pi...

Страница 20: ...p until the screw head is less than 4 mm from the hose Fig 25 Metal clamp Drain hose Grey tape Insulate the pipe clamp and the drain hose using heat insulation sponge Fig 26 Metal clamp Insulation sponge 4 When drain hose requires extension obtain an extension hose commercially available 5 After connecting the local drain hose tape the slits of the heat insulation tube 6 Connect the drain hose to ...

Страница 21: ...age of the unit is as shown as Table 4 and Table 5 Before turning on verify that the voltage is within the 198 264V range for single phrase unit or 342 457V range for three phrase unit Always use a special branch circuit and install a special receptacle to supply power to the air conditioner Use a special branch circuit breaker and receptacle matched to the capacity of the air conditioner The spec...

Страница 22: ...nd with a wire cutter or wire cutting pliers then strip the insulation about 25 mm 15 16 2 Using a screwdriver remove the terminal screw s on the terminal board 3 Using pliers bend the solid wire to form a loop suitable for the terminal screw 4 Shape the loop wire properly place it on the terminal board and tighten securely with the terminal screw using a screwdriver 2 For strand wiring Fig 29 1 C...

Страница 23: ...ing of the electric parts Connect the connection cords firmly to the terminal block Imperfect installation may cause a fire Always fasten the outside covering of the connection cord with cord clamps If the insulator is not clamped electric leakage may occur Always connect the ground wire 4 Electric wiring between the indoor and outdoor units Single phase units 09K 30K CH IU09NK4 CH IF09NK4 CH IU12...

Страница 24: ... F Power cord 3 1 0mm2 H05RN F Communication Cords 2 0 75mm2 H05RN F Three phase units CH IU36NM4 CH IF36NK4 CH IU42NM4 CH IF42NK4 CH IU48NM4 CH IF48NK4 CH IU60NM4 CH IF60NK4 Power cord 5 1 5mm2 H07RN F Power cord 3 1 0mm2 H05RN F Communication Cords 2 0 75mm2 H05RN F Fig 32 5 Electric wiring of indoor unit side Remove the left cover plate and the electric box cover then insert the end of the comm...

Страница 25: ...door 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 supply are wired incorrectly the air conditioner may be damaged Connect the indoor unit connection cord properly based on the corresponding marks as shown in Fig 32 Ground both the indoor and outdoor units by attachi...

Страница 26: ...om power lines Routing of External Power Lines Fig 36 Three phase 36K 60K L1 L2 L3 N 1 2 Fig 35 5 Installation of Controllers Refer to the Installation Manual of the controller for more details 6 Test Running 6 1 Trial Operation and Testing 1 The meaning of error codes as shown below Table 10 Number Error code Error Remarks 1 E1 Compressor high pressure protection 2 E2 Indoor anti freeze protectio...

Страница 27: ...hronizing protection 23 Hc Pfc protection 25 Lc Activation failure 26 Ld Compressor phase sequence protection 27 LE Compressor stalling protection 28 LF Power protection 29 Lp Indoor and outdoor mismatch 30 U7 4 way valve direction changing protection 31 P0 Drive reset protection 32 P5 Over current protection 33 P6 Communication error between main control and drive 34 P7 Drive module sensor error ...

Страница 28: ...d or the set Fig 37 6 2 Working Temperature Range Table 11 Test Condition Indoor Side Outdoor Side DB C WB C DB C WB C Nominal Cooling 27 19 35 24 Nominal Heating 20 7 6 Rated Cooling 32 23 48 Low Temp Cooling 21 15 15 Rated Heating 27 24 18 Low Temp Heating 20 10 11 Note The design of this unit conforms to the requirements of EN14511 standard The air volume is measured at the relevant standard ex...

Страница 29: ... Poor cooling effect 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 The set temperature is too high There is refrigerant leakage The performance of room temperature sensor becomes worse Poor heating effect The air filter is dirty or blocked The door or window is not firmly closed Th...

Страница 30: ...r inlet grille Firstly unfix two buckles on the grille as shown on the picture Remove the screws under the buckles by a screwdriver and then open the inlet grille Remove the screw 2 Clean the filer screen Clean the filer screen by a vacuum cleaner or wash it by flashing water If the oil stain on the filter can not be removed or cleaned up wash it by warm water meld with the detergent Dry the filer...

Страница 31: ...rviceman 3 Check if the exhausted batteries of the wireless controller have been replaced 4 Check if the air filter had been installed well by professional Keep the power switch On 8 hours before the startup of the unit which has not been used for a long period Note all above should be operated by the skilled serviceman 3 At the End of the Seasonal Use 1 Cut off the power supply main switch 2 Clea...

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