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Figure 38. MHB 24K - 208/230VAC Outdoor Unit Wiring Diagram

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Содержание MWHB Series

Страница 1: ...indoor wall unit assembly must be thoroughly cleaned following final construction clean up All mini split operating conditions must be verified ac cording to these installation instructions MHB and M...

Страница 2: ...ing of refrigerant CFCs HCFCs and HFCs as of July 1992 Approved methods of recovery recycling or reclaiming must be followed Fines and or incarceration may be levied for non compliance CAUTION As with...

Страница 3: ...n 012 1 ton 018 1 5 tons 024 2 tons Refrigerant Type 4 HFC 410A Minor Design Sequence 1 1st Revision M H B 009 S 4 S 1 P Series Type M Mini Split OUTDOOR SINGLE ZONE HEAT PUMP UNITS Cooling Efficiency...

Страница 4: ...14 11 1 4 286 30 7 8 784 21 7 8 556 17 3 4 451 30 1 8 765 2 3 4 70 2 3 8 60 3 5 8 92 11 7 8 302 Figure 2 9K and 12K Outdoor Unit Dimensions Inches mm DRAIN HOLE bottom of unit FRONT VIEW SIDE VIEW TOP...

Страница 5: ...mm inch Indoor unit outline Right rear side refrigerant pipe inlet 2 1 2 64 diameter 18K 3 1 2 90 24K Left rear side refrigerant pipe inlet 2 1 2 64 diameter 18K 3 1 2 90 24K 1 7 8 48 18K 2 1 8 54 24K...

Страница 6: ...Rc Rockwell scale minimum Fully insert the wrench into the valve stem recess Service valve stems are factory torqued from 9 ft lbs 12 N m for small valves to 25 ft lbs 34 N for large valves to prevent...

Страница 7: ...se a carpenter s level or measuring tape to verify the wall mounting plate is horizontally level 2 Secure the wall mounting plate to the wall using the provided screws and screw anchors NOTE It is imp...

Страница 8: ...r unit 3 Drain should be as short as possible and should not have any droops or kinks that would restrict condensate flow and shall be approved resistant pipe There must be a 2 inch 51 mm space betwee...

Страница 9: ...ne security system or intercom Electrical interference and radio frequencies from any of these sources may affect operation Since water drains from the outdoor unit during vari ous stages of operation...

Страница 10: ...earing wall or area of the roof that can adequately support the unit Consult local codes for rooftop applications CAUTION Roof Damage This system contains both refrigerant and oil Some rubber roofing...

Страница 11: ...nto the refrigerant piping before it is connected 10 CAREFULLY adjust refrigerant piping connections to suit the application 11 Slowly loosen one of the flare nuts to release the factory nitrogen char...

Страница 12: ...sible and must be insulated to prevent condensation OUTDOOR UNIT OUTDOOR UNIT INDOOR UNIT INDOOR UNIT Maximum Line Set Length Maximum Line Set Length Maximum Elevation Outdooor Unit BELOW Indoor Unit...

Страница 13: ...port connections liquid and gas line pipes until a positive pressure is achieved 3 Evacuate the system to a reading of 5000 Microns 5 Torr 4 Break the vacuum by allowing nitrogen into the port connec...

Страница 14: ...ingle Zone Wiring IMPORTANT This unit must be properly grounded and protected by a circuit breaker The ground wire for the unit must not be connected to a gas or water pipe a lightning conductor or a...

Страница 15: ...line service valves to release the refrigerant charge contained in outdoor unit into the system 5 Replace the stem caps and tighten to the value listed in Table 1 Torque Requirements on page 6 6 Check...

Страница 16: ...Anti cold Air Flow n a cF Remote On Off n a CP ECO mode n a On display 3 seconds Outdoor Unit LED Slow flash Flashing at 1Hz Fast flash Flashing at 2Hz Test Run Pre Checks Only perform test run after...

Страница 17: ...is below 60 F 16 C In this instance you can use the MANUAL CONTROL button on the indoor unit to test the COOL function 1 Lift the front panel of the indoor unit and raise it until it clicks in place 2...

Страница 18: ...18 Indoor Unit Wiring Diagrams Figure 34 MWHB 09K 12K and 18K 115V and 208 230VAC Indoor Unit Wiring Diagram 16022000C27182 Figure 35 MWHB 24K 208 230VAC Indoor Unit Wiring Diagram...

Страница 19: ...19 Outdoor Unit Wiring Diagrams Figure 36 MHB 9K and 12K 115VAC Outdoor Unit Wiring Diagram Figure 37 09K 12K and 18K 208 230VAC Outdoor Unit Wiring Diagram...

Страница 20: ...20 Figure 38 MHB 24K 208 230VAC Outdoor Unit Wiring Diagram...

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