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GB.COOLDX.INST.090301

CoolDX COOLING UNIT
Installation and Maintenance Instructions
Sizes 08-60

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Содержание CoolDX 08-1

Страница 1: ...GB COOLDX INST 090301 CoolDX COOLING UNIT Installation and Maintenance Instructions Sizes 08 60 ...

Страница 2: ...te drainage from cooling coil 9 3 3 7 Supply air filter 9 3 3 8 Condensation barrier mat 10 4 Electrical connections 11 4 1 Connection to power supply 11 4 2 To connect the communication cable 11 5 Commissioning 12 5 1 Preparations 12 5 1 1 Before initial start up 12 5 1 2 Starting up 12 5 1 3 In service pressure switches 12 5 1 4 Phase sequence monitor 12 5 1 5 Remedial action if wrong phase sequ...

Страница 3: ...ENERAL SURVEY 1 1 General Cooling unit CoolDX Cooling unit CoolDX is a complete cooling unit for com fort cooling in air handling systems All the components are fully wired have fully connected refrigeration circuits and are collected inside a common casing The casing is fabricated of aluminium profiled sections held together by plastic corner pieces The panels are of sandwich design and consist o...

Страница 4: ...the CoolDX Step 1 When cooling is needed Compressor M1 is start ed Step 2 If more cooling is needed Compressor M2 starts and at the same time Compressor M1 stops An adjust able time delay a step duration of 300 seconds ensures that Compressor M2 will not start until Compressor M1 is operating at full capacity Step 3 If even more cooling is needed Compressor M1 is restarted and is run at the same t...

Страница 5: ...ersonnel since they contain gas under high pressure Risk areas where exposure to refrigerant could occur Practically the whole area inside the cooling unit is a risk area For particulars on how to deal with leakage see Section 7 2 Type R 407C refrigerant is used Warning The inspection door of the GOLD unit may not be ope ned while the unit is in operation Positive pressure in side the unit will ca...

Страница 6: ...of the cooling unit and two under the underside of the pallet or under the cooling unit and lift in the pallet or in the base frame of the cooling unit if the unit is not delivered on a pallet See sketch 3 2 Arrangement Position the CoolDX cooling unit at suitable place in the fan room Allow an open space around the safety isolating switch mains power switch for servicing in accordance with appli ...

Страница 7: ...nection to size 08 60 GOLD air handling units For a list of the cooling unit sizes and capacities that match a given size of GOLD unit see Section 10 General Technical Data CoolDX 08 CoolDX 12 60 Right hand version Left hand version Cooling coil in lower level GOLD fan arrangement 1 Cooling coil in upper level GOLD fan arrangement 2 Cooling coil in upper level GOLD fan arrangement 1 Cooling coil i...

Страница 8: ...100 mm high support feet The support feet can be removed or left on the unit Applicable when cooling coil in lower level If a water trap accessory is fitted the GOLD unit and the cooling unit must be raised at least 50 mm above the base beams to provide space for the water trap This can appro priately be done by leaving the factory fitted support feet on the base beams Or you can replace them with...

Страница 9: ...outdoor air and exhaust air connections respectively See the installation instructions for the GOLD as well If the CoolDX is to be docked directly against the GOLD unit Use a forklift truck or a hand truck to position the CoolDX against the GOLD unit as described in Section 3 3 Docking Configurations Make sure that the connections on the GOLD unit and the CoolDX unit are in alignment and are close...

Страница 10: ...GOLD air han dling unit and the CoolDX as illustrated below to prevent condensate from reaching metallic surfaces The condensation barrier mats are self adhesive Open the inspection doors on the GOLD air handling unit and install the mats from this side Open the inspection doors Fit the condensation barrier mat onto the interior surfaces of the connections between the GOLD unit and the CoolDX A A ...

Страница 11: ...ect the cable to an optional bus connection on the control unit Adjust the length of cable inside the electrical cubicle and adjust its position through the cable gland Refit the cable gland back to its correct position An extra outdoor air temperature sensor is required if any of the following functions are activated in the GOLD air handling unit outdoor compensation cooling step blocking cooling...

Страница 12: ...re and one for high pressure If the operating pressure in any of the circuits exceeds or drops below a limit value the relevant compressor is switched off The text CoolDX PRESSURE LIMITING is displayed in the hand held terminal until the pressure comes within the limit values again The compressor is permitted to restart when the restart delay has expired 5 1 4 Phase sequence monitor The size 60 Co...

Страница 13: ...other way becomes superheated in the atmosphere poisonous gases can form Important Charging with refrigerant must be carried out according to the recommendations of the refrigerant producer Avoid direct skin contact with the refrigerant Use close fitting protective eyeglasses protective gloves and protective work clothing that cover the whole body Provide adequate ventilation local extraction In t...

Страница 14: ... across the condensor Excessively high exhaust air temperature The high pressure switch is defective Check the airflow Check the exhaust air temperature Check replace Significant freezing on the evaporator The expansion valve is defective or incorrectly set No airflow or too low airflow across the evaporator Check Replace or adjust setting Check the airflow 8 2 Leakage Tracing As a preventive meas...

Страница 15: ...width mm H height mm Duct connection mm 08 1250 990 1086 Ø 400 46 46 50 50 K CoolDX size L length mm B width mm H height mm K mm Duct connection mm 60 1250 2253 2353 2075 1600 x 800 46 46 50 50 K Supplied on 100 mm high support feet Can be removed or left on when the unit is in place Has provision for adjustable support feet CoolDX size L length mm B width mm H height mm K mm Duct connection mm 12...

Страница 16: ...2 2 2 0 46 3 phase 400V 16A 257 12 1 1 14 4 95 1 3 2 7 0 68 3 phase 400V 16A 305 12 2 2 20 6 94 1 4 2 9 0 9 3 phase 400V 20A 332 20 1 1 14 4 95 1 3 2 7 0 68 3 phase 400V 16A 323 20 2 2 20 6 94 1 4 2 9 0 9 3 phase 400V 20A 351 20 3 3 26 9 88 2 3 3 3 0 9 3 phase 400V 25A 373 30 1 1 27 9 00 2 0 4 2 1 25 3 phase 400V 25A 440 30 2 2 32 10 66 2 2 4 7 1 5 3 phase 400V 32A 486 30 3 3 45 16 47 3 4 5 6 1 5 ...

Страница 17: ...trol circuit fuse 6 IQnomic Plus control unit 7 Phase sequence monitor applies to size 60 capacity variant 2 only 8 Transformer 400 230 V for control voltage 9 Fuse 230 V operating voltage 1 2 3 45 6 7 8 9 0 P1 L1 L2 6 3 2 4 5 7 12 9 8 10 11 13 18 15 14 1617 19 24 21 20 22 23 5 2 1 3 4 6 Sizes 08 20 all capacity variants Size 30 capacity variant 1 1 2 3 45 6 7 8 9 0 P1 L1 L2 6 3 2 4 5 7 12 9 8 10 ...

Страница 18: ...NTERNAL WIRING DIAGRAM 12 1 CoolDX 08 40 all capacity variants and size 60 capacity variant 1 Q Electrical circuit load separator connection point for supply voltage Mx Compressor PSC Controls for phase sequence BPx Low and high pressure switch BPx x High pressure switch Hx Crankcase heater ...

Страница 19: ... 12 2 CoolDX 60 Capacity variant 2 Q Electrical circuit load separator connection point for supply voltage Mx Compressor PSC Controls for phase sequence BPx Low and high pressure switch BPx x High pressure switch Hx Crankcase heater TP Thermal overload protection for scroll compressor ...

Страница 20: ... 12 3 CoolDX 60 Capacity variant 3 Q Electrical circuit load separator connection point for supply voltage Mx Compressor PSC Controls for phase sequence BPx Low and high pressure switch BPx x High pressure switch Hx Crankcase heater TP Thermal overload protection for scroll compressor ...

Страница 21: ...pproved Done Remarks Installation according to instructions Condensate drain correctly connected water trap filled with water Supply air filter in GOLD unit dismantled Air hoses for filter in CoolDX fitted according to instructions Electrical connections installed according to instructions Control cable from CoolDX to GOLD connected according to instructions Direction of rotation of compressor 2 c...

Страница 22: ...ressor 1 08 1 5 0 A Protective motor switch Compressor 2 7 5 A 08 2 6 0 A 10 0 A 12 1 5 0 A 10 0 A 12 2 7 5 A 12 0 A 20 1 5 0 A 10 0 A 20 2 7 5 A 12 0 A 20 3 10 0 A 15 5 A 30 1 9 5 A 15 5 A 30 2 9 5 A 22 0 A 30 3 15 5 A 27 0 A 40 1 12 0 A 22 0 A 40 2 12 0 A 27 0 A 40 3 22 0 A 36 0 A 60 1 15 5 A 36 0 A 60 2 22 A 35 0 A 60 3 36 0 A 50 0 A Function selector switch IQnomic Plus Position 6 ...

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