Midea MRBT-60CWN1-D Manual

Tropical rooftop package unit

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60Hz R410A ClimaMaster Tropical Rooftop Package Unit

MCAC-RTSM-2015-01

Content

1. Models List .................................................................................................... 1

2. External Appearance .................................................................................... 1

3. Nomenclature ................................................................................................ 2

4. Feature & Benefit .......................................................................................... 3

5. List of Function ............................................................................................. 6

6. Specification .................................................................................................. 8

7. Dimensional Drawing.................................................................................. 18

8. Wiring Diagram ........................................................................................... 24

9. Performance Data ....................................................................................... 34

10. Electrical Data ........................................................................................... 43

11. Parameter and Pressure Chart ................................................................. 45

12. Refrigerant Cycle Diagram ....................................................................... 54

13. Operation Limit ......................................................................................... 55

14. Installation ................................................................................................. 56

15 Wired Controller ......................................................................................... 63

16. Error Code ................................................................................................. 69

17. Accessory .................................................................................................. 78

18. Maintenance and Upkeep ......................................................................... 78

Appendix ......................................................................................................... 81

※ Manufacture reserves the right to discontinue, or change at any time, specifications or designs without

notices and without incurring obligations.

Table of Contents

Summary of Contents for Midea MRBT-60CWN1-D

Page 1: Table Of Contents
60Hz R410A ClimaMaster Tropical Rooftop Package Unit MCAC-RTSM-2015-01 Content 1. Models List ....................1 2. External Appearance ..................1 3. Nomenclature ....................2 4. Feature & Benefit ..................3 5. List of Function ..................... 6 6. Specification ....................8 7. Dimensional Drawing.................. 18 8.
Page 2: Models List
MCAC-RTSM-2015-01 60Hz R410A ClimaMaster Tropical Rooftop Package Unit 1. Models List Nominal Model Power Supply Capacity Refrigerant Model Name Function V, Ph, Hz MRBT-60CWN1-D Cooling + EAH MRBT-062CWN1-D Cooling MRCT-062EWN1-D Cooling + EAH MRBT-075CWN1-D Cooling MRCT-075EWN1-D Cooling + EAH MRBT-085CWN1-D...
Page 3: Nomenclature
Omit for T1 condition T: Tropical application Air outlet way A: optional two air outlet ways: side and bottom B: optional two air outlet ways: side and bottom C: one air outlet way: side D: one air outlet way: bottom Rooftop package Midea...
Page 4: Feature & Benefit
MCAC-RTSM-2015-01 60Hz R410A ClimaMaster Tropical Rooftop Package Unit 4. Feature & Benefit 1. The adoption of anticorrosive-box The reinforced anticorrosion by using galvanization armor plate and coated with man-composed paint. The appearance is stylish and be easy for maintenance. (It’s OK for 1000 hours salt spray test) 2.
Page 5 60Hz R410A ClimaMaster Tropical Rooftop Package Unit MCAC-RTSM-2015-01 4. Optional collocation 4.1 Operation in high temperature The air-conditioner designed for high temperature can run until the ambient temperature reaches up to 52℃（125℉）. 4.2 Strong air flow Large air volume from the air inlet is forced ventilating by the condenser fan. 4.3 Minimum installation arrangement The installation is fast and low cost with the easy installation and ready operation.
Page 6 MCAC-RTSM-2015-01 60Hz R410A ClimaMaster Tropical Rooftop Package Unit Electric heater assembly (optional) Condenser fan motor Highly efficient enhanced copper tube/Aluminum fin outdoor coil Highly efficient enhanced copper tube / aluminum fin indoor coil Decorative protective coil guard Compressor contactor Low voltage terminal block Blower motor with slide-out blower assembly...
Page 7: List Of Function
60Hz R410A ClimaMaster Tropical Rooftop Package Unit MCAC-RTSM-2015-01 5. List of Function 5.1 Standard specification A. General The Packaged cooling or combination heating and cooling unit is suitable for mounting on the roof or ground. The packaged unit consists of scroll compressors, evaporator coil, condenser coil, control wiring and interconnecting piping- all factories assembled and mounted on heavy gauge G-90 galvanized steel sheet press formed base, ready for field connection to utilities and ducts.
Page 8 MCAC-RTSM-2015-01 60Hz R410A ClimaMaster Tropical Rooftop Package Unit steel. Fans and pulleys are keyed to shaft and designed for continuous operation at maximum motor horse power and fan speed. All rotating components and assemblies are statically and dynamically balanced and every unit is vibration tested before shipment from the factory.
Page 9: Specification
60Hz R410A ClimaMaster Tropical Rooftop Package Unit MCAC-RTSM-2015-01 6. Specification Nominal ton (Ton) Model MRBT-60CWN1-D MRBT-062CWN1-D MRCT-062EWN1-D MRBT-075CWN1-D Btu/h 59000 75000 75000 89000 Cooling Capacity (1) Power Input (1) Cooling Btu/h 51200 62700 62700 74500 Cooling Capacity (2) 18.4 18.4 21.8...
Page 10 MCAC-RTSM-2015-01 60Hz R410A ClimaMaster Tropical Rooftop Package Unit Number of rows Fin spacing Outdoor Coil inch 1/16" 1/16" 1/16" 1/16" 7.94 7.94 7.94 7.94 Tube diameter inch 5/16" 5/16" 5/16" 5/16" Type Axial fan Propeller Propeller Propeller Quantity Diameter(Width) inch 23.62 25.6 25.6...
Page 11 60Hz R410A ClimaMaster Tropical Rooftop Package Unit MCAC-RTSM-2015-01 Nominal ton (Ton) Model MRCT-075EWN1-D MRBT-085CWN1-D MRCT-085EWN1-D MRBT-100CWN1-D Btu/h 89000 103000 103000 120000 Cooling Capacity (1) Power Input (1) 10.4 10.4 11.4 Cooling Btu/h 74500 85600 85600 100000 Cooling Capacity (2) 21.8 25.1 25.1 29.3...
Page 12 MCAC-RTSM-2015-01 60Hz R410A ClimaMaster Tropical Rooftop Package Unit Fin spacing inch 1/16" 1/16" 1/16" 1/16" 7.94 7.94 7.94 7.94 Tube diameter inch 5/16" 5/16" 5/16" 5/16" Type Propeller Propeller Propeller Propeller Quantity Diameter(Width) inch 25.6 27.6 27.6 27.6 Outdoor Fan Drive type Direct Direct...
Page 13 60Hz R410A ClimaMaster Tropical Rooftop Package Unit MCAC-RTSM-2015-01 Nominal ton (Ton) 12.5 Model MRCT-100EWN1-D MRBT-125CWN1-D MRBT-150CWN1-D Btu/h 120000 150000 180000 Cooling Capacity (1) Power Input (1) 11.4 15.3 18.1 Cooling Btu/h 100000 125600 159600 Cooling Capacity (2) 29.3 34.2 46.7 Power Input (2) 13.6 16.8...
Page 14 MCAC-RTSM-2015-01 60Hz R410A ClimaMaster Tropical Rooftop Package Unit inch 1/16" 1/16" 1/16" 7.94 7.94 Tube diameter inch 5/16" 9/32" 5/16" Type Propeller Propeller Propeller Quantity Diameter(Width) inch 27.6 25.6 25.6 Outdoor Fan Drive type Direct Direct Direct Motors quantity Motor model YS1000-6B YS1000-6B YS1000-6B...
Page 15 60Hz R410A ClimaMaster Tropical Rooftop Package Unit MCAC-RTSM-2015-01 Nominal ton (Ton) 17.5 17.5 Model MRCT-150EWN1-D MRBT-175CWN1-D MRCT-175EWN1-D Btu/h 180000 205000 205000 Cooling Capacity (1) Power Input (1) 18.1 Cooling Btu/h 159600 180600 180600 Cooling Capacity (2) 46.7 52.9 52.9 Power Input (2) 20.2 23.5 23.5...
Page 16 MCAC-RTSM-2015-01 60Hz R410A ClimaMaster Tropical Rooftop Package Unit inch 1/16" 1/16" 1/16" 7.94 7.94 7.94 Tube diameter inch 5/16" 5/16" 5/16" Type Propeller Propeller Propeller Quantity Diameter(Width) inch 25.6 25.6 25.6 Outdoor Fan Drive type Direct Direct Direct Motors quantity Motor model YS1000-6B YS1000-6B...
Page 17 60Hz R410A ClimaMaster Tropical Rooftop Package Unit MCAC-RTSM-2015-01 Nominal ton (Ton) Model MRBT-200CWN1-D MRCT-200EWN1-D Btu/h 240000 240000 Cooling Capacity (1) Power Input (1) 23.6 23.6 Cooling Btu/h 213000 213000 Cooling Capacity (2) 62.4 62.4 Power Input (2) 27.7 27.7 Btu/h 133100 Heating Capacity Heating...
Page 18 MCAC-RTSM-2015-01 60Hz R410A ClimaMaster Tropical Rooftop Package Unit inch 1/16" 1/16" 7.94 7.94 Tube diameter inch 5/16" 5/16" Type Propeller Propeller Quantity Diameter(Width) inch 29.5 29.5 Outdoor Fan Drive type Direct Direct Motors quantity Motor model YS2200-6 YS2200-6 Motor output 5.4 X 2 5.4 X 2 Motor rpm...
Page 19: Dimensional Drawing
60Hz R410A ClimaMaster Tropical Rooftop Package Unit MCAC-RTSM-2015-01 7. Dimensional Drawing 5ton...
Page 20 MCAC-RTSM-2015-01 60Hz R410A ClimaMaster Tropical Rooftop Package Unit 7.2 6.2&7.5ton...
Page 21 60Hz R410A ClimaMaster Tropical Rooftop Package Unit MCAC-RTSM-2015-01 8.5&10ton...
Page 22 MCAC-RTSM-2015-01 60Hz R410A ClimaMaster Tropical Rooftop Package Unit 12.5ton 2214 1245 Filter occess door Drain connection hole Maintain orifice for air supply motor Control and comperssor access panel Hole for control wires Hole for power wires Hole for other purpose...
Page 23 60Hz R410A ClimaMaster Tropical Rooftop Package Unit MCAC-RTSM-2015-01 7.5 15&17.5ton...
Page 24 MCAC-RTSM-2015-01 60Hz R410A ClimaMaster Tropical Rooftop Package Unit 20ton...
Page 25: Wiring Diagram
60Hz R410A ClimaMaster Tropical Rooftop Package Unit MCAC-RTSM-2015-01 8. Wiring Diagram MRBT-60CWN1-D TO KJR-12B W IRED CONTROLLER 202096090264 RT3-1 Switch SW3 to the "ON" position to use 12B wire controller; RT3-2 RT2-1 RT2-2 switch SW3 to the "1" position WIRING DIAGRAM...
Page 26 MCAC-RTSM-2015-01 60Hz R410A ClimaMaster Tropical Rooftop Package Unit MRBT-062CWN1-D/ MRBT-075CWN1-D 202096190102 TO BE CONNECTED KJR-12B XP1-2 XS1-2 CN13 CN22 CN20 CN21 CN23 CN24 CN25 MAIN BOARD CN11 CN12 X T 2 KJR-12B MO DE KJR-23B TO THE WIRED CONTROLLER CODE TITLE COMP COMPRESSOR...
Page 27 60Hz R410A ClimaMaster Tropical Rooftop Package Unit MCAC-RTSM-2015-01 MRCT-062EWN1-D/ MRCT-075EWN1-D...
Page 28 MCAC-RTSM-2015-01 60Hz R410A ClimaMaster Tropical Rooftop Package Unit MRBT-085CWN1-D /MRBT-100CWN1-D 202096290108 TO BE CONNECTED KJR-12B XP1-2 XS1-2 CN13 CN22 CN43 CN20 CN21 CN23 CN24 CN25 MAIN BOARD CN11 CN12 X T 2 KJR-12B MO DE KJR-23B TO THE WIRED CONTROLLER CODE TITLE COMP...
Page 29 60Hz R410A ClimaMaster Tropical Rooftop Package Unit MCAC-RTSM-2015-01 MRCT-085EWN1-D /MRCT-100EWN1-D 202096290109 TO BE CONNECTED KJR-12B XP1-2 XS1-2 CN22 CN13 CN20 CN21 CN23 CN24 CN25 MAIN BOARD WHITE BLUE BLUE R S T CN11 CN12 BLACK BLACK KJR-12B BLACK MODE KJR-23B E L E C T R I C A L S O U R C E P R O T E C T I O N R E L A Y CODE...
Page 30 MCAC-RTSM-2015-01 60Hz R410A ClimaMaster Tropical Rooftop Package Unit MRBT-125CWN1-D TO BE CONNECTED KJR-12B XP1-2 XS1-2 NOT E:IF ELECTRICAL SOURCE PROTECTION RELAY IS NOT PRESENT, WIRE A IS CONNECTED TO WIRE B CN22 CN13 CN20 CN21 CN23 CN24 CN25 NO T E MAIN BOARD R S T CN11...
Page 31 60Hz R410A ClimaMaster Tropical Rooftop Package Unit MCAC-RTSM-2015-01 MRBT-150CWN1-D /MRBT-175CWN1-D TO BE CONNECTED KJR-12B 202096390145 XP1-2 XS1-2 CN13 CN22 CN20 CN21 CN23 CN24 CN25 MAIN BOARD WHITE BLUE R S T CN11 X T 2 C O M KJR-12B ELECTRICAL SOURCE TO THE WIRED CONTROLLER PROTECTION RELAY MO DE...
Page 32 MCAC-RTSM-2015-01 60Hz R410A ClimaMaster Tropical Rooftop Package Unit MRCT-150EWN1-D /MRCT-175EWN1-D TO BE CONNECTED KJR-12B 202096390137 XP1-2 XS1-2 CN13 CN22 CN20 CN21 CN23 CN24 CN25 MAIN BOARD WH ITE WHITE BLUE R S T BLUE CN11 KJR-12B BLACK BLACK MODE KJR-23B BLACK E L E C T R I C A L S O U R C E...
Page 33 60Hz R410A ClimaMaster Tropical Rooftop Package Unit MCAC-RTSM-2015-01 MRBT-200CWN1-D TO BE CONNECTED KJR-12B XP1-2 202096490097 XS1-2 CN22 CN43 CN44 CN20 CN21 CN23 CN24 CN25 CN13 MAIN BOARD WHITE BLUE R S T CN11 X T 2 CO M KJR-12B ELECTRICAL SOURCE TO THE WIRED CONTROLLER PROTECTION RELAY MO DE...
Page 34 MCAC-RTSM-2015-01 60Hz R410A ClimaMaster Tropical Rooftop Package Unit MRCT-200EWN1-D TO BE CONNECTED KJR-12B 202096490100 XP1-2 XS1-2 CN22 CN20 CN13 CN21 CN23 CN24 CN25 MAIN BOARD WHITE BLUE R S T BLUE CN11 W HI T E KJR-12B BLACK MODE BLACK E L EC T R I C A L S O U R C E KJR-23B BLACK...
Page 35: Performance Data
60Hz R410A ClimaMaster Tropical Rooftop Package Unit MCAC-RTSM-2015-01 9. Performance Data 9.1 Cooling capacity for 5Ton: Air Flow 1800 Ent DB (℉) 63.6 66.8 72.8 46.8 48.1 51.7 53.2 65.7 74.5 76.7 47.3 52.9 54.5 67.4 70.7 76.4 78.3 47.8 50.2 54.2 55.7...
Page 36 MCAC-RTSM-2015-01 60Hz R410a ClimaMaster Tropical Rooftop Package Unit 9.2 Cooling capacity for 6.2Ton: Air Flow（CFM） 2200 2400 2600 2800 （ Ent（DB） F） 63.4 64.8 66.2 67.6 67.5 68.9 70.4 72.0 69.2 70.7 72.2 73.8 70.6 72.1 73.7 75.3 55.1 61.6 65.8 67.6 59.1...
Page 37 60Hz R410A ClimaMaster Tropical Rooftop Package Unit MCAC-RTSM-2015-01 9.3 Cooling capacity for 7.5Ton: Air Flow（CFM） 2600 2800 3000 3200 （ Ent（DB） F） 75.3 77.0 78.6 80.3 80.1 81.8 83.6 85.4 82.1 83.9 85.7 87.6 83.8 85.6 87.5 89.4 65.5 73.2 78.1 78.9 70.2...
Page 38 MCAC-RTSM-2015-01 60Hz R410a ClimaMaster Tropical Rooftop Package Unit 9.4 Cooling capacity for 8.5Ton: Air Flow（CFM） 3000 3300 3600 3900 （ Ent（DB） F） 88.4 90.2 92.2 94.2 90.8 92.8 94.8 96.8 93.2 95.1 97.2 99.2 95.0 97.0 99.1 101.2 76.3 77.9 79.6 81.3 81.8...
Page 39 60Hz R410A ClimaMaster Tropical Rooftop Package Unit MCAC-RTSM-2015-01 9.5 Cooling capacity for 10Ton: Air Flow（CFM） 3600 3800 4000 4200 （ Ent（DB） F） 104.1 106.3 108.6 110.9 107.0 109.3 111.6 114.0 109.7 112.0 114.4 116.8 111.8 114.2 116.6 119.1 90.0 91.9 93.9 95.9 96.4...
Page 40 MCAC-RTSM-2015-01 60Hz R410a ClimaMaster Tropical Rooftop Package Unit 9.6 Cooling capacity for 12.5Ton: Ai r Fl o w（ CFM） 4600 5100 5600 6100 （ F） 129.5 132.1 134.9 137.6 133.0 135.7 138.5 141.4 136.2 139.0 141.8 144.7 138.7 141.6 144.5 147.5 112.6 114.8...
Page 41 60Hz R410A ClimaMaster Tropical Rooftop Package Unit MCAC-RTSM-2015-01 9.7 Cooling capacity for 15Ton: Ai r Fl o w（ CFM） 5400 6000 6600 7200 （ Ent（ DB） F） 157.1 159.1 166.4 176.2 161.5 165.1 172.5 182.2 163.4 167.7 178.6 187.1 170.1 172.5 182.3 189.6...
Page 42 MCAC-RTSM-2015-01 60Hz R410a ClimaMaster Tropical Rooftop Package Unit 9.8 Cooling capacity for 17.5Ton: Ai r Fl o w（ CFM） 7000 7300 7600 7900 （ Ent（ DB） F） 186.2 188.5 196.9 208.1 191.2 195.4 203.9 215.0 193.4 198.3 210.8 220.6 201.1 203.9 215.1 223.5...
Page 43 60Hz R410A ClimaMaster Tropical Rooftop Package Unit MCAC-RTSM-2015-01 9.9 Cooling capacity for 20Ton: Ai r Fl o w（ CFM） 6800 7600 8400 9200 （ Ent（ DB） F） 209.7 212.3 222.1 234.9 215.6 220.3 230.0 242.9 218.0 223.7 238.2 249.4 227.0 230.0 243.0 252.6...
Page 44: Electrical Data
10. Electrical Data 10.1 Electrical Data 220v/3Ph/60Hz Power Supply Compressor Evaporator fan motor Condenser fan motor Model TOCA 34.1 34.2 5.85 3.85 1.67 0.23 MRBT-60CWN1-D 30.7 8.569 1.871 MRBT-062CWN1-D 30.7 8.569 1.871 MRCT-062EWN1-D 30.7 MRBT-075CWN1-D 30.7 MRCT-075EWN1-D 30.7 MRBT-075HWN1-D 32.9 9.957...
Page 45 Indoor coil Outdoor fan motor Outdoor coil Model Motor protection Insulation class Safe class Pressure Insulation class Safe class Pressure IPX0 250psi IPX4 450psi MRBT-60CWN1-D IP44 250psi IP54 450psi MRBT-062CWN1-D IP44 250psi IP54 450psi MRCT-062EWN1-D IP44 250psi IP54 450psi MRBT-075CWN1-D...
Page 46: Parameter And Pressure Chart
MCAC-RTSM-2015-01 60Hz R410a ClimaMaster Tropical Rooftop Package Unit 11. Parameter and Pressure Chart 11.1 Model: 5Ton Parameter table for indoor unit air volume: Static pressure (Pa) Air flow (CFM) 2280 2212 2137 2059 1976 1883 1783 1670 1526 1305 Brake power (kW) 0.878 0.852 0.828...
Page 47 60Hz R410A ClimaMaster Tropical Rooftop Package Unit MCAC-RTSM-2015-01 11.2 Model: 6.2ton Parameter table for indoor unit air volume: Static pressure (Pa) Air flow (CFM) 2881 2754 2632 2602 2522 2445 2310 2208 2108 Brake power (kW) 1.51 1.36 1.34 1.14 1.09 1.05 0.98...
Page 48 MCAC-RTSM-2015-01 60Hz R410a ClimaMaster Tropical Rooftop Package Unit 11.3 Model: 7.5Ton Parameter table for indoor unit air volume: Static pressure (Pa) Air flow (CFM) 3250 3149 2996 2941 2886 2782 2664 2540 2411 Brake power (kW) 1.83 1.78 1.70 1.66 1.63 1.58 1.53...
Page 49 60Hz R410A ClimaMaster Tropical Rooftop Package Unit MCAC-RTSM-2015-01 11.4 Model: 8.5Ton Parameter table for indoor unit air volume: Static pressure (Pa) Air flow (CFM) 4099 3933 3772 3491 3442 3259 2064 2886 Brake power (kW) 1.88 1.81 1.73 1.66 1.59 1.51 1.43 1.35...
Page 50 MCAC-RTSM-2015-01 60Hz R410a ClimaMaster Tropical Rooftop Package Unit 11.5 Model: 10Ton Parameter table for indoor unit air volume: Static pressure (Pa) Air flow (CFM) 4325 4156 3929 3756 3579 3382 3218 3020 Brake power (kW) 2.18 2.02 1.96 1.86 1.79 1.71 1.62 Fan speed (rpm)
Page 51 60Hz R410A ClimaMaster Tropical Rooftop Package Unit MCAC-RTSM-2015-01 11.6 Model: 12.5Ton Parameter table for indoor unit air volume: Static pressure (Pa) Air flow (CFM) 6000 5875 5700 5380 5200 4870 4625 4375 Brake power (kW) 3.06 2.95 2.85 2.69 2.56 2.35 2.24 2.14...
Page 52 MCAC-RTSM-2015-01 60Hz R410a ClimaMaster Tropical Rooftop Package Unit 11.7 Model: 15Ton Parameter table for indoor unit air volume: Static pressure (Pa) Air flow (CFM) 7209 6814 6756 6631 6316 6044 5639 5227 Brake power (kW) 5.11 4.85 4.71 4.65 4.45 4.32 4.08 3.82...
Page 53 60Hz R410A ClimaMaster Tropical Rooftop Package Unit MCAC-RTSM-2015-01 11.8 Model: 17.5Ton Parameter table for indoor unit air volume: Static pressure (Pa) Air flow (CFM) 7858 7712 7546 7392 7271 7091 6977 6836 6680 6534 6354 6178 6020 Brake power (kW) 5.76 5.66 5.57...
Page 54 MCAC-RTSM-2015-01 60Hz R410a ClimaMaster Tropical Rooftop Package Unit 11.9 Model: 20Ton Parameter table for indoor unit air volume: Static pressure (Pa) Air flow (CFM) 9296 9041 8682 8389 8179 7826 7388 6955 6555 Brake power (kW) 5.86 5.73 5.59 5.44 5.50 5.27 4.98...
Page 55: Refrigerant Cycle Diagram
60Hz R410A ClimaMaster Tropical Rooftop Package Unit MCAC-RTSM-2015-01 12. Refrigerant Cycle Diagram 12.1 5,6.2,7.5,8.5,10 ton: Cooling，Cooling+EAH type Condenser High pressure switch Evaporator Low pressure switch 12.2 12.5,15,17.5,20 ton: Cooling, Cooling+EAH type High pressure switch Condenser High pressure switch Low pressure switch Low pressure switch Evaporator TP: Compressor discharge temperature sensor in system A and B...
Page 56: Operation Limit
MCAC-RTSM-2015-01 60Hz R410a ClimaMaster Tropical Rooftop Package Unit 13. Operation Limit 13.1 Cooling only and cooling with auxiliary heater Cooling only and cooling only with auxiliary heater Standard operation Indoor temperature( ℃ WB) Temperature Outdoor temperature Indoor temperature Model 18℃～52℃ 17℃～30℃...
Page 57: Installation
60Hz R410A ClimaMaster Tropical Rooftop Package Unit MCAC-RTSM-2015-01 14. Installation 14.1 Lifting Rigging cables should have adequate capability to resist 3 times weight of unit. Before lift, please check and ensure that hooks are holding tightly to unit and lifting angles are no less than 60° . Cloth material or hard-paper should be padded in the contact place between unit and rigging cable.
Page 58 MCAC-RTSM-2015-01 60Hz R410a ClimaMaster Tropical Rooftop Package Unit Overhead air Overhead air Clearance≥3m 0.6m 0.3m Clearance≥1.55m For 5ton For 6.2ton and above 14.3 Rooftop -- unit For roof top applications using a field fabricated frame and ducts, according to the following procedure: 1) The frame must be located and secured by bolting or welding to the roof.
Page 59 60Hz R410A ClimaMaster Tropical Rooftop Package Unit MCAC-RTSM-2015-01 Typical rooftop application with frame:...
Page 60 MCAC-RTSM-2015-01 60Hz R410a ClimaMaster Tropical Rooftop Package Unit 14.4 Ground Level -- Horizontal Units For ground level installations, the unit should be positioned on a pad the size of the unit or larger. The unit must be level on the pad. The pad must not come in contact with the structure. Be sure the outdoor portion of the supply and return air ducts are as short as possible.
Page 61 60Hz R410A ClimaMaster Tropical Rooftop Package Unit MCAC-RTSM-2015-01 Typical ground level application: 14.5 Installation of condensate drain piping 5ton: Drain pan Drain commutator Drain connector tube Removable Condensate Drain Pan And Removal Procedure 6.2&7.5&8.5&10&12.5&15&17.5&20ton: Outer diameter:28 mm/1.1 inch Inner diameter:21 mm/0.83 inch...
Page 62 MCAC-RTSM-2015-01 60Hz R410a ClimaMaster Tropical Rooftop Package Unit 14.6 Ductwork 1. Attaching horizontal ductwork to unit 1) All conditioned air ductwork should be insulated to minimize heating and cooling duct losses. Use a minimum of two (2) inches of insulation with a vapor barrier. The outside ductwork must be weatherproofed between the unit and the building.
Page 63 60Hz R410A ClimaMaster Tropical Rooftop Package Unit MCAC-RTSM-2015-01 14.7 Wiring provision Field wiring The units are internally wired at the factory according to generally accepted electrical technology. Required field wiring Main power wiring to the unit control wiring between the control center and the unit, and earth wiring are required in the field.
Page 64: Wired Controller
MCAC-RTSM-2015-01 60Hz R410a ClimaMaster Tropical Rooftop Package Unit 15 Wired Controller 15.1 Standard wired controller: KJR-12B/DP (T)-E KJR-12B/DP (T)-E 1. Safety precaution The following contents are stated on the product and the operation manual, including usage, precautions against personal harm and property loss, and the methods of using the product correctly and safely. After fully understanding the following contents (identifiers and icons), read the text body and observe the following rules.
Page 65 60Hz R410A ClimaMaster Tropical Rooftop Package Unit MCAC-RTSM-2015-01 2. Summarize Usage condition: ○ . Power supply: 5V DC. ○ . Operation temperature: -15℃-+43℃. ○ . Operation humidity: 40%-90%, RH. 3. Function summary Main function: ○ . Connecting to indoor unit by A, B, C, D, E terminal; ○...
Page 66 MCAC-RTSM-2015-01 60Hz R410a ClimaMaster Tropical Rooftop Package Unit 5. Installation method When a wired controller is needed, a small 5-way terminal should be added. Fix an infrared emitter with gum water near the receiver on the switch board. Connect its anode and cathode to A and B, and +5V, GND, RUN to C, D, E on the switch board.
Page 67 60Hz R410A ClimaMaster Tropical Rooftop Package Unit MCAC-RTSM-2015-01 ⑥ Reset button(hidden): Use a 1mm stick to press in the little hole , then the current setting is canceled . The wired controller will enter into original state. ⑦ON/OFF button: When in off state, press this button, the indicator is on, the wired controller enter into on state, and send setting information to in door PCB.
Page 68 MCAC-RTSM-2015-01 60Hz R410a ClimaMaster Tropical Rooftop Package Unit ○ . Press "MODE" button, select "DRY" mode. ○ . Press temperature adjust button to select setting temp. ○ . Press "ON/OFF" button, indoor unit operation lamp on, it works in dry mode. Press ON/OFF button again, it stops to work.
Page 69 60Hz R410A ClimaMaster Tropical Rooftop Package Unit MCAC-RTSM-2015-01 15.3 Field wiring To connect with wired controller The wired controller KJR-12B can be used when the SW3 is on “on”, if the SW3 is on ‘1”, the wired controller KJR-23B or KJR-25B can be used. After setting, please shut off the power supply and then power to it again, otherwise, the new setting function will be invalid For Cooling Units For C/O Units...
Page 70: Error Code
MCAC-RTSM-2015-01 60Hz R410a ClimaMaster Tropical Rooftop Package Unit 16. Error Code 16.1 Error Code for 5ton Type Content Code Remarks Normal Standby Normal Constraint cooling Normal Running Error Compressor phase sequence error or phase default Manual reset Error Outdoor coil temp. sensor T3-1 default Manual reset Error Outdoor coil temp.
Page 71 60Hz R410A ClimaMaster Tropical Rooftop Package Unit MCAC-RTSM-2015-01 Error code for 6.2ton and above Type Content Code Remarks Normal Standby Normal Constraint cool Normal Running Error Compressor phase sequence error or phase default Manual reset Error Outdoor coil temp. sensor in sys. A error Manual reset Error Outdoor coil temp.
Page 72 MCAC-RTSM-2015-01 60Hz R410a ClimaMaster Tropical Rooftop Package Unit E0：Compressor phase sequence error or phase default Detect if the voltage of 5p wire joint between A, B and C is normal. Cut off power supply, replace the power wire, inspect again. Detect if the main board voltage between A, B and C is normal.
Page 73 60Hz R410A ClimaMaster Tropical Rooftop Package Unit MCAC-RTSM-2015-01 2) E9：Indoor coil temp. sensor T2 default. (Indoor temp. and Pipe Temp. Sensor Resistance Value Table, see Appendix 2) Detect if the temp. Sensor is normal. Replace the temp. sensor, Replace the main board. detect it again.
Page 74 MCAC-RTSM-2015-01 60Hz R410a ClimaMaster Tropical Rooftop Package Unit 8). P4：Protection for High/Low Pressure or exhaust temp. (High pressure protection value：4.4MPa, High pressure protection value：0.14MPa；air discharge temp. protection value: 130℃ above) When P4 display, detect High/Low pressure testing point by pressure gauge and discharge The main board display P4 is point temp.
Page 75 60Hz R410A ClimaMaster Tropical Rooftop Package Unit MCAC-RTSM-2015-01 For 6.2ton and above Item Content Error code Indoor fan motor didn’t run. Compressor didn’t run. T3 temp sensor error. Check if the low pressure protection is normal. Outdoor fan motor didn’t run. Four ways valve didn’t work.
Page 76 MCAC-RTSM-2015-01 60Hz R410a ClimaMaster Tropical Rooftop Package Unit Compressor didn’t run (All wires connection are correct and reliable, if power supplier is required range. If compressor didn’t run, you can analysis as flowing) Detect if the voltage of compressor which corresponds to the interface on PCB is 208 ~ 230V AC between CN6 of COMP1, COMP2 and N.
Page 77 60Hz R410A ClimaMaster Tropical Rooftop Package Unit MCAC-RTSM-2015-01 5) Outdoor fan motor didn’t run. Detect if the voltage of compressor which corresponds to the interface on PCB is 208 ~ 230V AC between CN6 of OFAN1,OFAN2 and N. If the outdoor fan motor contactor is Detect if the fuse on PCB is burned off.
Page 78 MCAC-RTSM-2015-01 60Hz R410a ClimaMaster Tropical Rooftop Package Unit 7) Condenser high temperature protection Is the electric resistance of condenser high temp sensor answer for Appendix 1 ? Replace the sensor Check: Heat dispersion function of outdoor heat exchanger is unqualified: For example, the heat exchanger is dirty, air-outlet and air-back line is short-circuited, outdoor fan stops running or air speed is over-low, inlet and outlet air is blocked in heat exchanger, etc.
Page 79: Accessory
60Hz R410A ClimaMaster Tropical Rooftop Package Unit MCAC-RTSM-2015-01 17. Accessory Name of accessories Shape Manual Drain outlet Snap ring Drain pipe KJR-12B Wired controller 18. Maintenance and Upkeep Regular maintenance and upkeep Some regular maintenance and upkeep have been carry on by user, includes: change the one-time dust filter, clean casing, wash condenser and replace a new belt, as well as do some test for the equipment.
Page 80 MCAC-RTSM-2015-01 60Hz R410a ClimaMaster Tropical Rooftop Package Unit For required to deflection belt 16 mm per meter of span Belt section Small pulley diameter Newton Kilogram-force (mm) (kgf) 80 to132 25 to 35 2.5 to 3.6 140 to 224 45 to 65 4.6 to 6.6 NOTE：The belt which is too tight or too loose may generate noise and be harmful to the unit.
Page 81 60Hz R410A ClimaMaster Tropical Rooftop Package Unit MCAC-RTSM-2015-01 The air-in side should face up when using vacuum cleaner. The air-in side should face down when using water. CAUTION: Do not dry out the air filter under direct sunshine or with fire. Re-install the air filter Condenser coil Unfiltered air circulates through the unit's condenser coil and can cause the coil's surface to...
Page 82: Appendix
MCAC-RTSM-2015-01 60Hz R410a ClimaMaster Tropical Rooftop Package Unit Appendix Appendix 1: Indoor Temp. and Pipe Temp. Sensor Resistance Value Table (℃--K)(for 6.2tons and above) ℃ ℃ ℃ ℃ K Ohm K Ohm K Ohm K Ohm 115.266 12.6431 2.35774 0.62973 108.146 12.0561 2.27249...
Page 83 60Hz R410A ClimaMaster Tropical Rooftop Package Unit MCAC-RTSM-2015-01 Appendix 2:Indoor Temp. and Pipe Temp. Sensor Resistance Value Table (5ton) Temp Resistance（KΩ） Resist.tol (%) Temp.tol(℃) （℃） R （t） Normal Rmax Rmin MAX(+) MIN(-) MAX(+) MIN(-) 116.539 106.732 96.920 9.19 9.19 1.59 1.59 110.231 100.552...
Page 84 MCAC-RTSM-2015-01 60Hz R410a ClimaMaster Tropical Rooftop Package Unit 9.010 8.721 8.434 3.31 3.29 0.75 0.71 8.621 8.337 8.055 3.41 3.38 0.77 0.74 8.252 7.972 7.695 3.51 3.47 0.80 0.77 7.900 7.625 7.353 3.61 3.57 0.83 0.79 7.566 7.296 7.029 3.70 3.66 0.85 0.82...

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