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3.8. Dry Mode Operation - MWMC and

3WMC

3.8.1. Procedure

1. Press the

MODE

button to select

DRY

mode.

2. Press the

UP/ DOWN

button to select the desired

temperature. The temperature setting range is from 62°F

to 86°F in one degree increments.

NOTE:

The blower is preset at a low speed and cannot be

changed therefore it will get cold and most likely

will over shoot the temperature setting by 6-10

degrees depending on the room size or other

various factors. Also the Follow Me mode does

not operate in this mode. The Follow Me mode is

only available when a return air sensor is utilized.

Typically in most cases the Follow Me mode will

not be sufficient to remove excessive humidity.

NOTE:

In addition, the outdoor units do not have a

humidistat installed therefore they are unable to

determine humidity levels. This product is not

recommend as a main source for dehumidification.

NOTE:

Using this mode will over shoot the temp by 6-8

degrees below what was set for dry mode.

3.8.2. Dry Mode Operation Sequence

When in dry mode operation the unit is actually in cooling

mode with a low speed blower operation. The compressor

will stop when the room temperature is two degrees Celsius

lower than the temperature setting.
However there is a temperature compensation for cooling

mode that is two degrees Celsius. So the unit will stop when

the temperature is four degrees Celsius lower than the room

temperature settings.

NOTE:

Four degrees Celsius is equivalent to 8°F

difference.

3.9. Test Run - MWMC and 3WMC

Only perform test run after you have completed the following

steps:

•

Electrical Safety Checks – Confirm that the unit’s

electrical system is safe and operating properly

•

Gas Leak Checks – Check all flare nut connections

and confirm that the system is not leaking

•

Confirm that gas and liquid (high and low pressure)

valves are fully open.

3.9.1. Test Run Instructions

You should perform the Test Run for at least 30 minutes.

1. Connect power to the unit.
2. Press the ON/OFF button on the remote controller to turn

it on.

3. Press the mode button to scroll through the following

functions, one at a time:

• COOL - Select lowest possible temperature.
• HEAT - Select highest possible temperature.

Let each function run for 5 minutes, and perform the

following checklist:

3.9.2. Before Test Run

Table 1. Test Run Checklist

Checks

Pass

Fail

No electrical leakage

Unit is properly grounded
All electrical terminals properly covered
Indoor and outdoor units are solidly

installed
All pipe connection points do not leak

Water drains properly from drain hose
All piping is properly insulated
Unit performs COOL function properly
Unit performs HEAT function properly
Indoor unit louvers rotate properly

Indoor unit responds to remote controller

3.10. Double-Check Pipe Connections

During operation, the pressure of the refrigerant circuit will

increase. This may reveal leaks that were not present during

your initial leak check. Take time during the Test Run to

double-check that all refrigerant pipe connection points do

not have leaks.

•

Using remote control, return unit to the normal

operating temperature.

•

Using insulation tape, wrap the indoor refrigerant

pipe connections that you left uncovered during the

indoor unit installation process.

Содержание MWMC

Страница 1: ...ns 009 012 Ton Units 23 3 3 Indoor Unit Specifications 018 030 Ton Units 23 3 4 Indoor Unit Specifications 3WMC 23 3 5 Indoor Unit Dimensions MWMC and 3WMC 24 3 6 Indoor Unit Clearances All Models and...

Страница 2: ...tion Pipe Work 65 11 1 MPC and 3PC Single Zone Refrigerant Cycle Diagram 65 11 2 MPC Two Zone Refrigerant Cycle Diagram 65 11 3 MPC Three Zone Refrigerant Cycle Diagram 66 11 4 MPC Four Zone Refrigera...

Страница 3: ...024 2 tons 036 3 tons 048 4 tons Refrigerant Type 4 R 410A Minor Design Sequence 1 1st Revision 2 2nd Revision 1 2 M22A Indoor Unit Specifications Model No M22A009S4 P M22A012S4 P M22A018S4 P Nominal...

Страница 4: ...utput W 45 125 125 Room Temperature Range F Cooling 60 90 60 90 60 90 Heating 32 86 32 86 32 86 Air Volume cfm High Medium Low 706 635 547 947 853 753 1171 1059 935 Sound Data dBA Low Medium High 43 4...

Страница 5: ...CONNECTION LIQUID PIPE GAS PIPE 22 1 2 572 21 1 2 546 20 5 8 524 22 1 2 572 10 3 8 264 23 5 8 600 Ceiling Opening INSTALLATION HANGERS LEVELING ADJUSTMENT NUT 4 CEILING DIFFUSER PANEL AIR OUTLET AIR...

Страница 6: ...LET AIR OUTLET AIR INLET BOTTOM VIEW Panel 37 3 8 949 37 3 8 949 5 1 2 139 4 102 DRAIN CONNECTION 32 5 8 829 26 3 8 670 26 3 8 670 32 5 8 829 30 3 8 772 CONTROL BOX HANGING BRACKETS 4 CONDENSATE PUMP...

Страница 7: ...MENT NUT 4 CEILING DIFFUSER PANEL AIR OUTLET AIR OUTLET AIR INLET 36 914 mm 36 914 mm 36 914 mm 36 914 mm Minimum Clearance from Structural Ceiling to Drop Ceiling M22A009 M22A012 M22A018 and M33C024...

Страница 8: ...ensation Adjustment S1 S2 CCM Address VRF only SW5 For Mode Conflict Setting 24k and smaller units only Figure 1 M22A Main Control Switches SW2 Indoor Fan Speed Adjustment SW3 Auto Restart Function SW...

Страница 9: ...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 NOTE There must be a 2 inch 51 mm space between...

Страница 10: ...ication M MD B 012 S 4 1 P Unit Type MD Medium Static Ducted Unit Series Type M Mini Split Voltage P 208 230V 1 phase 60hz Cooling Efficiency S Standard Efficiency Major Design Sequence A 1st Generati...

Страница 11: ...d Gas o d flare in 1 4 3 8 1 4 1 2 1 4 1 2 Drain connection o d in 1 1 1 Net Shipping weights lbs 38 49 38 49 54 66 Model No MMDB024S4 MMDB036S4 MMDB048S4 Nominal Tons 2 3 4 Power Supply 60 hz 1 phase...

Страница 12: ...5 235 175 120 60 0 0 04 0 20 0 16 0 12 0 10 0 08 SP2 Limit airflow rate setting on the controller High Medium Low SP2 Limit Air Volume cfm External Static Pressure in w g 470 530 590 645 705 410 355 2...

Страница 13: ...60 0 0 04 0 20 0 16 0 12 0 10 0 08 SP2 Limit airflow rate setting on the controller High Medium Low SP2 Limit Air Volume cfm External Static Pressure in w g 470 530 590 645 705 410 355 295 235 175 120...

Страница 14: ...t L o w High Air Volume cfm 1060 940 825 705 590 470 355 235 120 0 0 04 0 40 0 32 0 24 0 16 0 64 0 48 0 56 0 10 SP3 Limit Low Medium High Air Volume cfm 1060 940 825 705 590 470 355 235 120 0 0 04 0 4...

Страница 15: ...al Static Pressure in w g 1060 1294 1410 1530 1175 940 825 705 590 470 355 235 120 0 0 04 0 40 0 32 0 24 0 16 0 64 0 48 0 56 0 10 SP3 Limit Low Medium High Air Volume cfm External Static Pressure in w...

Страница 16: ...0 32 0 24 0 16 0 48 0 56 0 64 0 10 SP3 Limit airflow rate setting on the controller Air Volume cfm External Static Pressure in w g 1060 1295 1410 1530 2120 2000 1885 1765 1650 1175 940 825 705 590 470...

Страница 17: ...75 940 825 705 590 470 355 235 120 0 0 04 0 40 0 32 0 24 0 16 0 48 0 56 0 64 0 72 0 80 0 10 SP2 Limit airflow rate setting on the controller Air Volume cfm 2470 2355 2235 External Static Pressure in w...

Страница 18: ...02 7 7 8 200 19 7 8 505 17 3 4 451 30 3 4 781 5 3 8 137 21 1 8 537 1 1 8 29 018 34 5 8 879 8 1 4 210 26 1 2 673 23 5 8 600 37 7 8 962 5 1 2 140 27 3 4 705 2 51 024 43 1 4 1099 9 3 4 248 30 1 2 775 27...

Страница 19: ...Air Flow 24 610 Minimum Service Clearance TOP VIEW MEDIUM STATIC DUCTED UNIT FRONT VIEW 1 25 Minimum Clearance top Ceiling Wall Wall 1 25 Minimum Clearance bottom Ceiling Suspended NOTE Bottom unit c...

Страница 20: ...ion point ground open drain etc to ensure that the line will drain freely SUSPENSION RODS DRAIN LINE STRUCTURAL CEILING 8 in 203 mm Max 28 in SUPPORT STRAPS 3 ft 1 m Figure 7 Condensate Drain with Pum...

Страница 21: ...sate flow and shall be approved resistant pipe There must be a 2 inch space between the end of the condensate drain and the final termination point ground open drain etc to ensure that the line will d...

Страница 22: ...n Nominal Cooling Capacity 006 50 tons 009 75 tons 012 1 tons 018 1 5 tons 024 2 tons 030 2 5 tons Refrigerant Type 4 R 410A Minor Design Sequence 1 1st Revision 2 2nd Revision 3 WM C 036 S 4 1 P Unit...

Страница 23: ...be minor revision 1 or 2 Model No MWMC018S4 P MWMC024S4 P MWMC030S4 P Nominal Tons 1 5 2 2 5 Power Supply 60 hz 1 phase 208 230V 208 230V 208 230V Rated load amps 0 13 0 5 0 5 Output W 30 58 58 Room T...

Страница 24: ...4S P MWMC009S4S P MWMC012S4S P 32 7 8 835 11 279 29 1 4 743 7 7 8 200 MWMC018S4S P 39 991 12 3 8 314 34 3 4 883 8 5 8 210 MWMC024S4S P MWMC030S4S P 46 3 4 1187 13 1 2 343 42 1 2 1080 10 1 4 260 BOTTOM...

Страница 25: ...m Minimum Clearance Ceiling Wall Floor 5 127 mm Minimum 3 7 MWMC and 3WMC036S4 Unit Control Board Switches Location SW2 Indoor Fan Speed Adjustment SW3 Auto Restart Function SW1 Pre Heat Function Adju...

Страница 26: ...form test run after you have completed the following steps Electrical Safety Checks Confirm that the unit s electrical system is safe and operating properly Gas Leak Checks Check all flare nut connect...

Страница 27: ...e COOL function Manual control button AUTO COOL Figure 13 Manual Control Button Location Lift the front panel of the indoor unit and raise it until it clicks in place The MANUAL CONTROL button is loca...

Страница 28: ...2 Indoor Unit Specifications 018 048 Ton Units Model No MCFB018S4 P MCFA024S4 P MCFA036S4 P MCFA048S4 P Nominal Tons 1 5 2 3 4 Power Supply 60 hz 1 phase 208 230V 208 230V 208 230V 208 230V Rated loa...

Страница 29: ...100 x 100 Condensate Drain Outlets 4 each corner FRONT VIEW BOTTOM VIEW SIDE VIEW BACK VIEW A B 8 3 4 222 9 1 4 235 26 5 8 676 MCFB018S4 MCFA024S4 MCFA036S4 MCFA048S4 2 1 4 57 2 51 Refrigerant Piping...

Страница 30: ...SIDE VIEW SUPPLY AIR SUPPLY AIR 59 1499 Service Clearance Front of Unit DROP CEILING 3 4 19 WALL WALL CEILING APPLICATIONS CEILING AND FLOOR APPLICATIONS FLOOR APPLICATIONS Unit Flush with Wall 59 149...

Страница 31: ...2 Indoor Fan Speed Adjustment SW3 Auto Restart Function SW1 Pre Heat Function Adjustment SW6 Heating Temperature Compensation Adjustment S1 S2 CCM Address VRF only SW5 For Mode Conflict Setting 24k an...

Страница 32: ...minal Tons 1 Power Supply 60 hz 1 phase 208 230V Rated load amps 1 Output W 20 Room Temperature Range F Cooling 62 90 Heating 32 86 Air Volume cfm High Medium Low 365 318 248 Sound Data dBA Low Medium...

Страница 33: ...5 8 600 7 11 16 195 Condensate Drain Outlet Refrigerant Piping Figure 15 MFMA Indoor Unit Dimensions Inches mm 5 4 Indoor Unit Clearances FRONT VIEW SIDE VIEW 4 102 WALL SUPPLY AIR 40 1016 Service Cle...

Страница 34: ...specified wiring and cable to make electrical connections Clamp cables securely and make sure that connections are tight to avoid strain on wiring Insecure wiring connections may result in equipment f...

Страница 35: ...to Outdoor Wiring Communication Power 1 2 3 and GND 24K 208 230 VAC 4 Stranded 16AWG 4 Stranded unshielded Outdoor to Main Power L1 L2 and GND 24K 208 230 VAC 3 Stranded MCA 20A 12AWG 3 Indoor to Outd...

Страница 36: ...ND 18K 208 230VAC 4 Stranded and unshielded 16AWG Outdoor to Main Power L1 L2 and GND 18K 208 230VAC 3 Stranded and unshielded 14AWG 18A Indoor to Outdoor Wiring Communication Power 1 2 3 and GND 24K...

Страница 37: ...or Unit Outdoor Unit Indoor Unit Figure 17 Single Zone Wiring 30K and Below L2 1 A 3 A 2 A 1 B 3 B 2 B 208 230V Outdoor Unit Terminal Block Terminal Block 1 2 3 208 230V Indoor Unit A Terminal Block 1...

Страница 38: ...208 230V Indoor Unit To Indoor Unit A To Indoor Unit B Figure 19 Multi Zone Wiring From Power Supply Indoor Unit CommunicationTerminal Block L1 L2 Power Terminal Block 208 230V Outdoor Unit L1 L2 L1...

Страница 39: ...ss Remote The provided mini split wireless controller model RG10B DCFC is a wireless local controller for Lennox mini split indoor unit models M22A MFMA MCFA and MCFB only 7 3 22U52 Wireless Remote Th...

Страница 40: ...he UP position and move the dial switch to the 3 position 0 8 4 1 2 3 5 6 7 C 9 A B D E F 1 2 ON 0 8 4 1 2 3 5 6 7 C 9 A B D E F 1 2 ON 0 8 4 1 2 3 5 6 7 C 9 A B D E F 1 2 ON 0 8 4 1 2 3 5 6 7 C 9 A B...

Страница 41: ...oard These dry contacts allow the external device to turn the indoor unit on or off Dry contacts can be used for alarm notice that float switch tripped etc Remote on off ports Central control ports VR...

Страница 42: ...P Heat Pump Series Type M Mini Split Cooling Efficiency S Standard Efficiency Major Design Sequence A 1st Generation B 2nd Generation C 3rd Generation Nominal Cooling Capacity 009 0 75 tons 012 1 tons...

Страница 43: ...erence in level of indoor unit ft 33 33 66 Outdoor Fan No Diameter in 16 1 2 16 1 2 16 1 2 Total air volume cfm 1295 1295 1765 rpm 800 800 810 Outdoor Coil Number of rows 2 2 3 Fins per inch 21 21 19...

Страница 44: ...13 Max difference in level of indoor unit ft 82 82 98 98 Outdoor Fan s No Diameter in 1 22 1 22 1 22 2 22 Total air volume cfm 2235 2235 2120 4500 rpm 900 900 1050 900 Outdoor Coil Number of rows 2 6...

Страница 45: ...ft 98 Outdoor Fan s No Diameter in 1 22 Total air volume cfm 2235 rpm 1150 Outdoor Coil Number of rows 3 Fins per inch 18 Fin type Hydrophilic aluminum Tube outside diameter in 5 16 Tube type Rifled...

Страница 46: ...ax difference in level of indoor unit ft 33 33 65 82 Outdoor Fan No Diameter in 1 17 1 17 1 19 1 22 Total air volume cfm 1120 1180 1355 2355 rpm 810 810 850 810 Outdoor Coil Number of rows 2 2 2 2 Fin...

Страница 47: ...Max difference in level of indoor unit ft 98 98 Outdoor Fan No Diameter in 2 22 2 22 Total air volume cfm 4470 4470 rpm 900 900 Outdoor Coil Number of rows 2 2 Fins per inch 18 18 Fin type Hydrophilic...

Страница 48: ...n area sq ft 235 345 355 515 355 515 Design Pressure PSIG 540 340 540 340 540 340 Shipping Data Net Shipping weight lbs 100 109 140 151 140 151 ELECTRICAL DATA Electrical Characteristics 60 Hz 1 Phase...

Страница 49: ...ng Data Net Shipping weight lbs 169 181 224 255 ELECTRICAL DATA Electrical Characteristics 60 Hz 1 Phase 208 230V 208 230V 2 Maximum Over current Protection amps 40 50 3 Minimum circuit ampacity 25 35...

Страница 50: ...0 Design Pressure PSIG 540 340 540 340 550 340 Shipping Data Net Shipping weight lbs 138 149 168 180 239 270 ELECTRICAL DATA Electrical Characteristics 60 Hz 1 Phase 208 230V 208 230V 208 230V 2 Maxim...

Страница 51: ...n indoor units ft 33 Outdoor Fan No Diameter in 2 22 Total air volume cfm 4500 rpm 800 700 600 Outdoor Coil Number of rows 2 Fins per inch 18 Fin type Hydrophilic aluminum Tube outside diameter in 3 8...

Страница 52: ...5 7 8 18 mm 946 673 810 403 457 MPC048S4S P inches 41 1 8 27 7 8 44 5 8 16 3 8 15 7 8 mm 1045 708 1134 416 448 MLB009S4S P MLB012S4S P inches 34 3 8 20 1 8 21 7 8 12 1 8 12 1 2 mm 873 511 566 308 318...

Страница 53: ...P MPC030S4M P MPC036S4M P inches 40 3 4 26 1 2 31 7 8 16 1 8 15 7 8 mm 1035 673 810 410 403 MPC048S4M P inches 41 3 4 25 52 1 2 16 3 8 17 5 8 mm 1060 635 1334 416 448 MLB018S4M P MLB030S4M P inches 4...

Страница 54: ...05 1 Minimum rear clearance can be 6 inches 152 mm when mounted on brackets and with no obstructions on the other three sides Air Outlet Air Inlet 12 305 24 610 24 610 1 12 305 79 2007 1 Minimum rear...

Страница 55: ...e height of the smallest unit A the distance from the unit to the wall B must be a minimum of 10 inches 254 mm If 1 2 the height of the unit A is less than the height of the wall C the distance from t...

Страница 56: ...0 12 600 12K 18K 10 000 15 000 11 600 17 400 18K 18K 14 000 14 000 14 800 14 800 3 6K 6K 6K 7 000 7 000 7 000 8 500 8 500 8 500 6K 6K 9K 7 000 7 000 10 000 7 700 7 700 11 500 6K 6K 12K 6 000 6 000 13...

Страница 57: ...500 5 500 22 000 5 800 5 800 23 200 6K 9K 12K 6 200 9 300 12 500 6 600 9 800 13 100 6K 9K 18K 5 700 8 600 17 200 6 100 9 100 18 100 6K 9K 24K 5 300 7 900 21 100 5 600 8 400 22 200 6K 12K 12K 6 000 12...

Страница 58: ...K 36K 8 000 33 000 8 600 34 500 12K 24K 11 000 23 000 12 400 24 800 12K 30K 11 000 28 000 11 900 29 600 12K 36K 10 000 31 000 11 100 33 200 18K 18K 17 000 17 000 18 600 18 600 18K 24K 17 000 22 000 17...

Страница 59: ...00 6 400 9 600 19 100 6K 6K 9K 24K 6 000 6 000 9 000 24 000 6 200 6 200 9 300 24 600 6K 6K 9K 30K 6 000 6 000 8 000 28 000 5 900 5 900 8 800 29 200 6K 6K 9K 36K 5 000 5 000 8 000 31 000 5 500 5 500 8...

Страница 60: ...000 8 200 10 900 10 900 21 700 9K 12K 12K 30K 7 000 9 000 9 000 24 000 7 400 9 800 9 800 24 500 9K 12K 18K 18K 8 000 10 000 16 000 16 000 8 200 10 900 16 300 16 300 9K 12K 18K 24K 7 000 9 000 14 000...

Страница 61: ...K 9K 12K 6 000 9 000 9 000 9 000 12 000 6 000 9 000 9 000 9 000 12 000 6K 9K 9K 9K 18K 6 000 9 000 9 000 9 000 17 000 6 000 9 000 9 000 9 000 18 000 6K 9K 9K 9K 24K 5 000 8 000 8 000 8 000 22 000 5 00...

Страница 62: ...000 12 800 12 800 012 018 11 000 17 000 12 100 18 200 012 024 10 000 20 000 11 100 22 200 018 018 15 000 15 000 16 600 16 600 018 024 13 000 18 000 14 500 19 300 024 024 15 000 15 000 15 700 15 700 3...

Страница 63: ...00 8 000 31 000 8 200 8 200 32 700 009 012 012 9 000 12 000 12 000 9 900 13 200 13 200 009 012 018 9 000 12 000 18 000 9 300 12 400 18 600 009 012 024 8 000 11 000 22 000 8 800 11 800 23 500 009 012 0...

Страница 64: ...700 17 500 009 012 012 024 8 000 10 000 10 000 21 000 8 200 10 900 10 900 21 700 009 012 012 030 7 000 9 000 9 000 24 000 7 400 9 800 9 800 24 500 009 012 018 018 8 000 10 000 16 000 16 000 8 200 10 9...

Страница 65: ...R O O D N I Electronic expansion valve CAPILIARY TUBE Accumulator CAPILIARY TUBE Outdoor Coil 11 2 MPC Two Zone Refrigerant Cycle Diagram LIQUID VALVE A GAS VALVE A Indoor Coil Compressor Outdoor Coil...

Страница 66: ...mulator T2B A Evaporator temp sensor outlet T2B B T2B C 11 4 MPC Four Zone Refrigerant Cycle Diagram LIQUID VALVE A GAS VALVE A Compressor Indoor Coil Outdoor Coil 4 WAY VALVE COOLING HEATING T2 Evapo...

Страница 67: ...D CAPILIARY D LIQUID VALVE D GAS VALVE D EXV E CAPILIARY E LIQUID VALVE E GAS VALVE E Compressor 4 WAY VALVE T5 Discharge temp sensor Accumulator High pressure switch Low pressure switch 11 6 MLB Six...

Страница 68: ...t Diameters in Maximum Elevation Outdoor Unit BELOW Indoor Unit ft m Maximum Elevation Outdoor Unit ABOVE Indoor Unit ft m Maximum Line Set Length ft m Liquid Gas 009 1 4 3 8 40 ft 12 m 40 ft 12 m 82...

Страница 69: ...it Model No MLB018S4M MPC018S4M MLB030S4M MPC030S4M MLB036S4M MPC036S4M MLB048S4M MPC048S4M Maximum Number of Indoor Units Zones Two Three Four Five Indoor Unit Connections 2 1 4 liq 2 3 8 gas 3 1 4 l...

Страница 70: ...5 zone not 2 zone multi zone units have a master valve on each refrigerant line The master valve controls refrigerant to all of the zone supply valves Open the master valves prior to opening the zone...

Страница 71: ...nished with outdoor unit Table 8 MPC024S4M Number of Zones and Outdoor Unit Connection Sizes NOTE Letter Indoor Unit Zone Connection on Outdoor Unit Zone 1 A Zone 2 B Zone 3 C 1 4 in liq 3 8 in gas 1...

Страница 72: ...4 in liq 3 8 in gas 006 012 006 018 009 009 009 012 009 018 012 012 012 018 018 018 006 006 006 006 006 009 006 006 012 006 006 018 006 009 009 006 009 012 006 009 018 006 012 012 006 012 018 009 009...

Страница 73: ...018 024 009 009 009 009 009 012 009 009 018 009 009 024 009 012 012 009 012 018 009 012 024 009 018 018 012 012 012 012 012 018 012 012 024 012 018 018 006 006 006 006 006 006 006 009 006 006 006 012...

Страница 74: ...6 009 009 024 006 009 012 012 006 009 012 018 006 012 012 012 006 012 012 018 009 009 009 009 009 009 009 012 009 009 009 018 009 009 012 012 009 009 012 018 009 012 012 012 012 012 012 012 LEGEND CLE...

Страница 75: ...09 036 006 012 018 006 012 024 006 012 030 006 012 036 006 018 018 006 018 024 006 018 030 006 018 036 006 024 024 006 024 030 009 009 018 009 009 024 009 009 030 009 009 036 009 012 012 009 012 018 0...

Страница 76: ...06 006 009 018 006 006 009 024 006 006 009 030 006 006 009 036 006 006 012 012 006 006 012 018 006 006 012 024 006 006 012 030 006 006 012 036 006 006 018 018 006 006 018 024 006 006 018 030 006 006 0...

Страница 77: ...09 009 012 018 009 009 012 024 009 009 012 030 009 009 018 018 009 009 018 024 009 012 012 012 009 012 012 018 009 012 012 024 009 012 012 030 009 012 018 018 009 012 018 024 012 012 012 012 012 012 0...

Страница 78: ...018 006 006 009 012 024 006 006 009 012 030 006 006 009 018 018 006 006 009 018 024 006 006 012 012 012 006 006 012 012 018 006 006 012 012 024 006 006 012 018 018 006 009 009 009 009 006 009 009 009...

Страница 79: ...on to the 048 outdoor unit furnished with outdoor unit 1 2 x 5 8 in gas pipe adapter is required for line set connection to the 048 outdoor unit furnished with outdoor unit 14 MLB Multi Zone Outdoor U...

Страница 80: ...in liq 3 8 in gas 1 4 in liq 3 8 in gas 009 018 009 024 009 030 012 012 012 018 012 024 012 030 018 018 018 024 018 030 024 024 009 009 009 009 009 012 009 009 018 009 009 024 009 009 030 009 012 012...

Страница 81: ...024 009 012 030 009 012 036 009 018 018 009 018 024 009 018 030 009 018 036 009 024 024 009 024 030 012 012 012 012 012 018 012 012 024 012 012 030 012 012 036 012 018 018 012 018 024 012 018 030 012...

Страница 82: ...09 012 018 018 009 012 018 024 012 012 012 012 012 012 012 018 012 012 012 024 012 012 018 018 009 009 009 009 009 009 009 009 009 012 009 009 009 009 018 009 009 009 009 024 009 009 009 012 012 009 0...

Страница 83: ...ad electrical circuit as this may lead to failure and possible fire Use specified wiring and cable to make electrical connections Clamp cables securely and make sure that con nections are tight to avo...

Страница 84: ...llow drainage to occur If the heat pump unit is installed on wall mounting brackets insert the provided drain connector into one of the 1 inch 25 mm drain holes and attached a field provided insulated...

Страница 85: ...85 17 MPC Condensate Pump Diagrams Figure 33 MPC Condensate Pump Powered by MPA Wiring Diagram Figure 34 MPC Condensate Pump Powered by Separate Source Wiring Diagram...

Страница 86: ...cm 9 52 3 8 2500 255kgf cm 2600 265kgf cm 12 7 1 2 3500 357kgf cm 3600 367kgf cm 18 2 Pipe Length and Elevation Maximum piping length and height difference Table 16 Pipe Diameter MM Inches Indoor Uni...

Страница 87: ...2 way and 3 way valves are set to the closed position Connect the charge hose with the push pin of the Handle Lo to the 3 way valve gas service port Connect the charge hose of the Handle Hi to the vac...

Страница 88: ...h pin of handle lo to the 3 way valves gas service port Air purging of the charge hose Open the handle Lo valve of the manifold valve slightly to purge air from the charge hose for 5 seconds and then...

Страница 89: ...le operating the air conditioner turn off the air conditioner before disconnecting the hose Mounted the valve stem caps and the service port Use torque wrench to tighten the service port cap to a torq...

Страница 90: ...longer NOTE Do not remove refrigerant for line lengths less than 25 ft R 410A is a blended refrigerant If you must remove charge it is necessary to remove the entire charge and weigh in the new charge...

Страница 91: ...Indoor units will display more detailed error codes These outdoor units do not have a SW1 spot check push button switch Diagnostic is performed through a series of blue red and green LEDs NOTE The con...

Страница 92: ...ck the states of the unit when it is operational The digital display will toggle through he states when SW1 is pressed Figure 36 Typical Location of LEDs and SW1 18K and 30K Multi Zone Outdoor Units F...

Страница 93: ...C for three seconds the compressor will stop while the indoor fan and outdoor fan will continue When T3 125 6 F 52 C the protection will release and the compressor will restart after three minutes Out...

Страница 94: ...117 125 147 PSI 75 124 120 126 132 155 PSI 80 135 129 132 140 162 24 1 2 Pressure PSI PSI 145 58 70 75F 23 89 85F 29 44 Outdoor temp 95F 105F 115F 35 40 56 46 11 174 24 2 Heating Chart 24 2 1 Heating...

Страница 95: ...correction T1 Ts 3 1 1 e c a 4 2 0 2 3 0 1 f d b Figure 38 Cooling Mode Capacity Area a b c d e f Norm Code N 3 2 1 5 1 5 0 Model 9K 12K 18K HP 1 0 1 2 1 5 NOTE The final result is integer Plus all th...

Страница 96: ...OL_ F1 COOL_ F2 COOL_ 15 COOL_ 16 Amendatory capacity demand 0 1 2 15 16 Meanwhile the maximum running frequency will be adjusted according to the outdoor ambient temp 43 41 38 T4LimFre1_ADD No limit...

Страница 97: ...ording to the final capacity request to confirm the operating frequency as following table Heating capacity improved in low ambient heating In heating mode when T2 T2_ExitT4LowFre_ADD and T4 4 C there...

Страница 98: ...T30 After 40 minutes of run time T3 11 2 F Figure 40 Defrost Calculations 24 5 Defrost Theory Tdef The unit must run for a minimum of 11 minutes or longer in order for it to go into defrost mode At th...

Страница 99: ...9 17 26 25 When low ambient cooling is valid 27 High Low 25 20 15 low ambient cooling Outdoor fan speed control logical low ambient cooling When T4 15 C 59 F and T3 30 C 86 F the unit will enter into...

Страница 100: ...Compressor and outdoor fan start operation only after EXV is initialized 24 9 1 Cooling mode The initial open angle of EXV is 250P adjustment range is 100 350p When the unit start to work for 3 minut...

Страница 101: ...101...

Страница 102: ...102...

Страница 103: ...103...

Страница 104: ...Single Zone Outdoor Units 52 Dry Mode Operation 3WMC and MWMC 26 F Fan Control Outdoor 99 L LEDs Multi Zone Outdoor Units 92 Single Zone Outdoor Unit 91 Line Sets MLB and MPC Single Zone Units 65 Mult...

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Содержание MWMC

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Lennox MWMC, Руководство по обслуживанию

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