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Carrier 40MKCB**C/124ANS, Installation Instructions Manual, Page: 4 / 24

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Carrier 40MKCB**C/124ANS Installation Instructions Manual Download Page 4

4

DIMENSIONS - INDOOR

Drain pipe
connector

Refrigerant pipe
connector

Fresh air intake (Φ75mm)

W

H

D

W

H

Cassette Grille

Cassette Body

A150291

Fig. 7 -- 40MKC**C, 40MKQ**C Unit and Panel Dimensions

Table 4 – Dimensions Indoor

Indoor Unit Size

BTU/Hr

Height (H)

in (mm)

Width (W)

in (mm)

Depth (D)

in (mm)

Operating Weight

lb (kg)

18K

33.1 (840)

33.1 (840)

8.1 (205)

54.0 (24.5)

24K – 34K

33.1 (840)

33.1 (840)

11.3 (287)

68.6 (31.1)

Cassette Panel

37.4 (950)

37.4 (950)

2.2 (55)

11.0 (5)

Summary of Contents for 40MKCB**C/124ANS

Page 1: ...vice agency or your distributor or branch for information or assistance The qualified installer or agency must use factory authorized kits or accessories when modifying this product Refer to the individual instructions packaged with the kits or accessories when installing Follow all safety codes Wear safety glasses protective clothing and work gloves Use quenching cloth for brazing operations Have...

Page 2: ...ollow this caution may result in personal injury and or equipment damage DO NOT operate the unit without a filter or with grille removed CAUTION These instructions cover the installation and the start up of the systems listed in Table 1 Table 1 Matched Systems System Type Nominal Capacity KBTU Hr Outdoor Unit Indoor Unit Cooling Only 018 24AHA418A003 124ANS018000 40MKCB18C 3 024 24AHA424A003 124AN...

Page 3: ... Used to fix the remote controller holder Battery 2 Powers the remote controller Strain relief bracket 1 To affix strain relief to hold wires in place Screws 4 To affix strain relief bracket Cassette Cover Panel A cassette grille panel is required to complete installation of indoor unit The indoor unit installation would not be complete without the addition of this grille Order it and complete ins...

Page 4: ... Cassette Body A150291 Fig 7 40MKC C 40MKQ C Unit and Panel Dimensions Table 4 Dimensions Indoor Indoor Unit Size BTU Hr Height H in mm Width W in mm Depth D in mm Operating Weight lb kg 18K 33 1 840 33 1 840 8 1 205 54 0 24 5 24K 34K 33 1 840 33 1 840 11 3 287 68 6 31 1 Cassette Panel 37 4 950 37 4 950 2 2 55 11 0 5 ...

Page 5: ...5 DIMENSIONS OUTDOOR Fig 8 Outdoor Unit Dimensions NOTE S Center of Gravity S All dimensions are in inches unless noted UNIT SIZE MINIMUM MOUNTING PAD DIMENSIONS 18 24 23 x 42 30 36 24 x 50 ...

Page 6: ...4ANS036000 Table 7 Dimensions SI ACs 124ANS018000 124ANS024000 124ANS030000 124ANS036000 Table 8 Dimensions HPs 224ANS024000 224ANS030000 224ANS036000 24HHAA436 0 X X X 197 227 Table 9 Dimensions SI HPs 224ANS024000 224ANS030000 224ANS036000 6 X X X 0 22 2 89 4 103 0 ...

Page 7: ...t drawn into another unit When installing single or multiple units in an alcove roof well or partially enclosed area ensure there is adequate ventilation to prevent recirculation of discharge air SYSTEM REQUIREMENTS Clearances Allow sufficient space around the indoor and outdoor unit for proper airflow circulation and servicing Refer to Fig 9 and the outdoor unit clearance section for minimum requ...

Page 8: ...f three 3 wires Two wires are high voltage AC power and one is a ground wire Consult your local building codes and the NEC National Electrical Code or CEC Canadian Electrical Code for special requirements All wires must be sized per NEC or CEC and local codes Use Electrical Data table MCA minimum circuit amps and MOCP maximum over current protection to correctly size the wires and the disconnect f...

Page 9: ...rain correctly and safely e A ceiling that prevents vibration and is strong enough to hold the product weight f Maintain sufficient clearance around the indoor unit for maintenance and servicing Refer to the clearances sec tion of this document g Where the air filter can be removed and cleaned easily h Where the piping between the indoor and outdoor units is within the allowable limits i Install t...

Page 10: ...erconnection pipings Flexible pipings Field supplied Refrigerant flow Direction Fig 14 TXV Attached to Cassette Body Piping connection ports Gas side and liquid side Connection to outdoor unit TXV Kit Flexible pipings Field supplied maximum length allowed 12 18 in A150294 Fig 15 TXV Kit not Attached to Cassette Body 3 Install Suspension Bolts a Mark the spots on the ceiling where you want to insta...

Page 11: ...2mm L Fig 20 Suspension Bolt Details 5 Install the Drain Pipe The cassette unit is equipped with a condensate pump Use the following steps to install the drain piping a Remove the cover of the drain hose connection port b Insert the flexible hose onto the drain hose port Secure ly fix the flexible hose to the indoor unit with a pipe clamp c Install the flexible hose onto the PVC water pipe field s...

Page 12: ...ossible and constant winds above 25 mph are expected use the accessory wind baffle See the installation instructions provided with the accessory kit Wind baffles should also be used on all units with accessory low ambient temperature control Mounting on Ground 1 Mount unit on a solid level concrete pad 2 If a heat pump is being installed use a field provided snow stand or ice rack where prolonged ...

Page 13: ...t tubes through the wall seal the opening so rain and insects do not enter the structure Leave some slack in refrigerant tubes between structure and out door unit to absorb vibration Connection at Outdoor Unit CAUTION UNIT DAMAGE HAZARD Failure to follow this caution may result in equipment damage or improper operation To prevent damage to unit or service valves observe the following S A brazing s...

Page 14: ...ily accessible but out of reach of children Provi sions for locking the disconnect switch on the OFF open po sition is advisable The disconnect switch must comply with NEC and local codes Protect the unit and wiring using only the recommended fuse circuit breaker size see Tables 17 thru 20 2 Run power wiring from electric panel to disconnect per NEC and local codes 3 Run power wiring from the disc...

Page 15: ...f Bracket for Indoor Units A strain relief is included within the indoor unit s packaging This is required to be installed The strain relief bracket and location to where this should be affixed on the unit s body is shown in Fig 33 and 34 A150303 Fig 33 Strain Relief Bracket A150304 Fig 34 Strain Relief Bracket Affixed to Cassette Body ...

Page 16: ...4 2 1 20 19 0 30 36 50 208 230 3 253 197 71 0 9 3 1 20 12 8 20 36 60 460 3 506 414 38 0 5 6 0 60 7 6 15 Table 19 40MKCB C Electrical Data Indoor Unit Size BTU Hr V Ph Hz Voltage Range Fan Power Min V Max V FLA A Min Ckt Amp A Max Fuse CB Amp A 18K 208 230 1 60 187 253 0 332 1 15 24K 34K 208 230 1 60 187 253 0 8 1 15 Table 20 40MKQB C Electrical Data Indoor Unit Size BTU Hr V Ph Hz Voltage Range Fa...

Page 17: ...uset hesam eorequ ivalentwire Legend Modelsp ecific fe ature CN1 CN17 CN111 Comp ressorsi gnal CN8 Fa n CN6 Co nnectors Livewire L1 Null lineL2 Nullline C interface interface CN33 R emotealarminterface CN23 R emotesw itchinterface CN13 P umpinterface CN14 S wingmotor interface CN5 Wa terlevel switchinterface CN10 D isplaybo ardinterface CN3 Ce ntralized control system Interface P1 Mag netismlinkin...

Page 18: ...itchinterface CN13 P umpinterface CN14 S wingmotor interface CN5 Wa terlevels witchinterface CN10 D isplaybo ardinterface CN3 Ce ntralized controlsystem Inte rface P1 Magn etismlink interface CN15 M otorinterface T1 Room temperaturesens or T2 Pipe temperaturesenso r XT1 3po leterminalblock XT2 5po le terminalblock Notes 1 Tobewired inaccor dancew ithNational Electric N E C andloca lcodes 2 UseC op...

Page 19: ... Run power wiring from disconnect switch to the cassette control box Use copper wire only 5 If any accessories are being installed refer to the individual accessory instructions for guidance on wire routing at this time Install All Power Interconnecting Wiring Piping and Drain Hose to Indoor Unit 1 Run the control wiring from the outdoor unit through the access hole in the wall and make sure you h...

Page 20: ...tem compressor as a vacuum pump Using Vacuum Pump 1 Completely tighten flare nuts A B C D connect manifold gage charge hose to a charge port of the low side service valve see Fig 43 2 Connect charge hose to vacuum pump 3 Fully open the low side of manifold gage see Fig 44 4 Start vacuum pump 5 Evacuate using either deep vacuum or triple evacuation method 6 After evacuation is complete fully close ...

Page 21: ...to determine the additional charge that is required beyond 25 ft 7 6 m 5 Charge should be added as liquid not gas slowly and care fully to low side to avoid liquid slugging 6 Start unit with operation test In test mode the unit will run in cooling and heating on heat pumps regardless if there is demand or not Test Operation For CASSETTE Perform test operation after completing gas leak and electric...

Page 22: ...y be pumped down in order to make repairs on the low side without losing complete refrigerant charge 1 Attach pressure gage to suction service valve gage port 2 Front seat the mixed phase line valve UNIT DAMAGE HAZARD Failure to follow this caution may result in equipment damage or improper operation The unit coils hold only the factory designated amount of refrigerant Additional refrigerant may c...

Page 23: ...ault Codes NO Malfunction Running lamp Timer lamp Defrosting lamp Alarm lamp Display digital tube 1 Open or short circuit of T1 temperature sensor X X X E2 2 Open or short circuit of T2 temperature sensor X X X E3 3 Indoor EEPROM X X E7 4 Water level alarm X X X E8 5 Refrigerant leakage detection X X EC NOTE O on X off flash at 5Hz flash at 0 5Hz Using the Emergency Button The Emergency button is ...

Page 24: ... the circuit Drain refrigerant evacuate and recharge CAUTION Do not vent refrigerant to the atmosphere use refrigerant recovery equipment Obstructions at air intake or dirty indoor unit filters Remove obstruction and or clean filter Frequent Ice Build Up on Outdoor Coil Outdoor fan is stopped Check cause and repair Discharge Pressure Too High Outdoor coil dirty or obstructed Clean or remove obstru...

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