Table of Contents
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For 13 SEER R410A Unitary
Ducted Split AC & Heat Pump
Thank you for choosing Residential Air Conditioners & Heat Pumps, please read this
Installation manual carefully before operation and retain it for future reference.
MRCOOL reserves the right to interpret this manual which will be subject to any change due
to product improvement without further notice.
Installation Manual
Residential Air Conditioners & Heat Pumps
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Table of Contents
Related Manuals for MrCool MAC13018
Summary of Contents for MrCool MAC13018
- Page 1 Thank you for choosing Residential Air Conditioners & Heat Pumps, please read this Installation manual carefully before operation and retain it for future reference. MRCOOL reserves the right to interpret this manual which will be subject to any change due to product improvement without further notice.
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Page 2: Table Of Contents
5.1 Torque Requirements ................10 5.2 Using Manifold Gauge Set ..............10 5.3 Operating Service Valves ..............10 5.4 Operating Angle Type Service Valve ...........10 5.5 To Access Service Port ................ 11 5.6 Reinstall Stem Cap ................11 For more details visit www.MrCool.com... - Page 3 9. Unit Control....................27 9.1 Mainboard Description ..............27 9.2 Terminal Description ................28 9.3 Control Flowchart ................29 9.4 Error Analysis ..................30 9.5 Setting on Defrost Control PCB (for Heat Pump unit only) ....33 9.6 Manually Defrost Cycle ..............33 For more details visit www.MrCool.com...
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Page 4: Safety Considerations
OFF position. There may be more than 1 disconnect switch. Lock out and tag switch with a suitable warning label. This product must not be disposed together with the domestic waste. This product has to be disposed at an authorized place for recycling of electrical and electronic appliances. For more details visit www.MrCool.com... -
Page 5: Unit Parts Arrangement
Liquid line service valve Fig.1 Heat Pump Condensing Unit High pressure switch Compressor harness Low pressure switch Compressor Filter Revesing valve Throttle Vapor line service valve Nozzle for adding freon Liquid line service valve Fig.2 For more details visit www.MrCool.com... -
Page 6: Physical Dimension
Unitary Ducted Split AC & HP 2. Physical Dimension 2.1 Outdoor Unit Fan motor Axial flow fan Compressor Fig.3—Outdoor Unit Table 1—Dimension of Outdoor Unit For more details visit www.MrCool.com... - Page 7 29"(735) 28"(710) 28"(710) MAC13060 33-1/2"(850) 29-1/2"(750) 29-1/2"(750) MHP13018 24-1/2"(620) 24"(610) 24"(610) MHP13024 24-1/2"(620) 24"(610) 24"(610) MHP13030 29"(735) 28"(710) 28"(710) MHP13036 29"(735) 28"(710) 28"(710) MHP13042 29"(735) 28"(710) 28"(710) MHP13048 33-1/2"(850) 28"(710) 28"(710) MHP13060 33-1/2"(850) 29-1/2"(750) 29-1/2"(750) For more details visit www.MrCool.com...
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Page 8: Installation Clearance Data
● Do not check or repair the air Conditioner when it is running. ● Do not sprinkle water on the air Conditioner or operate it with wet hands. ● Do not climb or place objects on the air conditioner. For more details visit www.MrCool.com... -
Page 9: Installation Recommendations
NOTE: Avoid contact between tubing and structure INDOOR WALL OUTDOOR WALL CAULK LIQUID TUBE VAPOR TUBE INSULATION THROUGH THE WALL JOIST HANGER STRAP (AROUND VAPOR INSULATION TUBE ONLY) VAPOR TUBE 1”MIN. LIQUID TUBE SUSPENSION Fig.5 – Connecting Tubing Installation For more details visit www.MrCool.com... -
Page 10: Brazing Connections
7/8 in. (22 mm) MAC13048 MHP13048 MAC13060 1/2 in. (12 mm) 1-1/8 in. (28 mm) MHP13060 Line set size matches service valve connection Do not crimp service valve connector whenpipe is smaller than connection Fig.6 For more details visit www.MrCool.com... -
Page 11: Cap And Core Removal
Water saturated cloths must remain water saturated throughout the brazing and cool−down process. Braze line to the service valve. When brazing line set to service valves, point flame away from service valve. Water saturated cloth Fig.9 For more details visit www.MrCool.com... -
Page 12: Preparation For Next Step
MAH13018 MHP13024 MAH13024 MHP13030 MAH13030 MHP13036 MAH13036 MHP13042 MAH13042 MHP13048 MAH13048 MHP13060 MAH13060 Fixed orifice Liquid line orifice housing Teflon ring Liquid line assembly (includes strainer) Distributor assembly Brass nut Liquid line Vapor line Fig.10 For more details visit www.MrCool.com... -
Page 13: Operating Gauge Set And Service Valves
1). Remove stem cap with an appropriately sized wrench. 2). Use a service wrench with a hex−head extension (3/16" for liquid line valve sizes and 5/16" for vapor line valve sizes) to back the stem out counterclockwise as far as it will go. For more details visit www.MrCool.com... -
Page 14: To Access Service Port
2). Wrap filter drier with damp cloth. 3). Braze filter drier to 5 in. long liquid tube from step 1. 4). Connect and braze liquid refrigerant tube to the filter drier. Fig.12—Liquid Line Filter Drier For more details visit www.MrCool.com... -
Page 15: Recovering Refrigerant From Existing System
Once the compressor can not pump down to a lower pressure due to one of the above system conditions, shut off the vapor valve. Turn OFF the main power to unit and use a recovery machine to recover any refrigerant left in the indoor coil and line set. For more details visit www.MrCool.com... -
Page 16: Leak Test Line Set And Indoor Coil
After the line set has been connected to the indoor and outdoor units, check the line set connections and indoor unit for leaks. Use the following procedure to test for leaks: 1). With both manifold valves closed, connect the cylinder of HFC−410A refrigerant to the center For more details visit www.MrCool.com... -
Page 17: Evacuating Line Set And Indoor Coil
NOTE : During the early stages of evacuation, it is desirable to close the manifold gauge valve at least once. A rapid rise in pressure indicates a relatively large leak. If this occurs, repeat the leak For more details visit www.MrCool.com... -
Page 18: Electrical
24VAC TRANSFORMER Use the transformer provided with the furnace or air handler for low-voltage control power (24VAC − 40 VA minimum). For more details visit www.MrCool.com... -
Page 19: Size Circuit And Install Disconnect Switch
Fig.17 NOTE: 24VAC, Class II circuit connections are made in the control panel. 7.3 Unit Low Voltage Connections High voltage field wiring Low voltage (24v) field wiring For more details visit www.MrCool.com... -
Page 20: Unit High Voltage Connections
V/Ph/Hz MAC13018 208/230/1/60 AWG16 MAC13024 208/230/1/60 AWG14 MAC13030 208/230/1/60 12.6 AWG12 MAC13036 208/230/1/60 15.08 AWG12 MAC13042 208/230/1/60 21.5 AWG10 MAC13048 208/230/1/60 AWG10 MAC13060 208/230/1/60 AWG8 MHP13018 208/230/1/60 AWG16 MHP13024 208/230/1/60 AWG14 MHP13030 208/230/1/60 12.5 AWG12 For more details visit www.MrCool.com... - Page 21 15.08 AWG12 MHP13042 208/230/1/60 AWG10 MHP13048 208/230/1/60 AWG10 MHP13060 208/230/1/60 24.5 AWG8 Electric Wiring Design Model:MAC13018; MAC13024; MAC13030; MAC13036; MAC13042; MAC13048; MAC13060. POWER 208/230V 1PH 60HZ Ground Fig.18 Model: MHP13018; MHP13024; MHP13030; MHP13036. POWER 208/230V 1PH 60HZ Ground Outdoor Unit Fig.19...
- Page 22 Unitary Ducted Split AC & HP POWER 208/230V 1PH 60HZ Ground Outdoor Unit Fig.20 18-36k Circuit Diagram Model:MAC13018; MAC13024; MAC13030; MAC13036. OUTDOOR UNIT POWER 24V~INPUT 24V~INPUT HERM CAPACITOR discharge temperature sensor COMP MAIN BOARD AC Contactor Compressor Fan motor YEGN Fig.21...
- Page 23 HERM CAPACITOR MAIN BOARD KM-L2 Pipe temperature Sensor discharge temperature COMP sensor Notes: 4-WAY VALVE 'O1'is used when under testing, AC Contactor connected with 'O' of indoor Compressor unit, usually suspended. Fan motor YEGN Fig.23 For more details visit www.MrCool.com...
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Page 24: System Refrigerant
B Connect the manifold gauge set’s low pressure side to the suction line service port. C Connect the manifold gauge set’s high pressure side to the liquid line service port. D Position temperature sensor on vapor line near liquid line service port. For more details visit www.MrCool.com... -
Page 25: Gauge Set (Heat Pump)
C Connect the manifold gauge set’s high pressure side to the liquid line service port. D Position temperature sensor on the suction line near the compressor. Figure 26. Gauge Set Setup and Connections for heat pump For more details visit www.MrCool.com... -
Page 26: Weigh In
20 psig. NOTE: The above nameplate is for illustration purposes only. Go to actual nameplate on outdoor unit for charge information. For more details visit www.MrCool.com... - Page 27 If value is MORE than shown, REMOVED, retest retest to confirm that unit shown, then REMOVE then ADD refrigerant. to confirm that unit is properly charged. refrigerant. is properly charged. Figure 27. HFC−410A Superheat RFC Method For more details visit www.MrCool.com...
- Page 28 60(15) 373 / 139 355/130 351/117 50(10) 363/117 336/113 333/105 40(4) 348/97 315/88 316/88 30(-1) 336/74 296/72 308/70 20(-7) 322/64 286/64 300/61 Cooling 65(18) 223/125 231/136 243/136 70(21) 241/130 248/139 263/137 75(24) 261/134 271/140 282/138 For more details visit www.MrCool.com...
- Page 29 166.7 214.0 274.1 340.5 423.2 512.9 622.7 127.3 169.6 217.4 278.2 345.3 428.8 519.3 630.0 129.7 172.6 220.9 282.3 350.1 434.5 525.8 637.5 132.2 175.4 224.4 286.5 355.0 440.2 532.4 645.0 134.6 228.0 360.0 539.0 For more details visit www.MrCool.com...
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Page 30: Unit Control
Fig.28 Mainboard Description for cooling only Temp. Sensors plug in +12V common terminal Pressure switch circuit connections Disagnostic display 24V terminal strip connections 24V terminal strip connections Connections for fan motor Fig.29 Mainboard Description for Heat pump unit For more details visit www.MrCool.com... -
Page 31: Terminal Description
220VAC output for high speed of fan motor K2-4(AC-L) 220VAC L input for high speed of fan motor K5-2(OFAN-L) 220VAC output for low speed of fan motor K5-4(AC-L) 220VAC L input for low speed of fan motor For more details visit www.MrCool.com... -
Page 32: Control Flowchart
Temp of indoo r ≥Set temp Temp of indoo r ≤ Set temp Comp. and outdoo r fan stop Comp. and outdoo r fan stop Comp. stop Comp. stop for 3 min for 3 min For more details visit www.MrCool.com... -
Page 33: Error Analysis
Circulating low pressure switch this fault. For the first two faults flash switch within 30 minutes, the unit can be recovered automatically. If over three times, the unit cannot be recovered automatically. For more details visit www.MrCool.com... - Page 34 Low pressure low pressure unit will report this fault. For the first two faults switch switch within 30 minutes, the unit can be recovered automatically. If over three times, the unit cannot be recovered automatically. For more details visit www.MrCool.com...
- Page 35 After the fault is eliminated, the system can automatically resume to operation. Unit operating Normal normally or None required. operation in standby mode. Defrost Unit operating None required. operation in defrost For more details visit www.MrCool.com...
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Page 36: Setting On Defrost Control Pcb (For Heat Pump Unit Only)
9.6 Manually Defrost Cycle There is a Manually Defrost Button located on the Defrost Control PCB, by press this button, the system will go to defrost cycle right away to melt the ice on the coil. For more details visit www.MrCool.com... - Page 40 For more details visit www.MrCool.com...