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The MCDP* coils are shipped with a 10 psi dry air holding

charge. Puncture the suction line rubber plug to release

the charge. Remove the rubber plug.

If there is no pressure when the rubber plug is

punctured, check the coil for leaks before installing the

Remove and discard the plug which is in the distributor

body.

to accommodate the supply air opening and the plenum. If

the unit is installed against a wall, the rear edge of the

opening must be at least 1” (25 mm) from the wall. Cut an

appropriately sized opening.

GAS

FURNACE

COIL LOCATOR BRACKETS

ALIGN THE COIL

LOCATOR BRACKET

WITH THE REAR AND

SIDES OF THE COIL

CABINET.
USE STRAIGHT OR

ANGULAR COIL

LOCATOR BRACKETS,

DEPENDING ON

MODEL AND

ALIGNMENT

REQUIREMENTS
FASTEN BRACKETS

TO FURNACE AND

COIL CABINET WITH

#8 SCREWS

SEAL BETWEEN

ADAPTER RAILS

AND FURNACE.

ED1P COIL

of the unit with the matching plenum, then lower the

unit over the plenum. The coil cabinet must be either

level or sloped slightly toward the drain outlet and

secured and sealed to the plenum. If the furnace and

coil cabinet are the same size, skip to step 3.

Front to Rear

-18A, -24A, -24B,

-30/36A, -30/36B

14-1/4” (394 mm)

23” (584 mm)

-30/36C, -48B, -48C

19” (483 mm)

-50/60C, -60D

22-1/2” (571 mm)

Do not install screws through the drain pan.

—Install the provided coil locator

brackets on the coil. Align the coil locator brackets

with the rear and sides of the coil cabinet. Figure

2 illustrates how the furnace, coil and coil locator

not contact coil slabs.

There must be an airtight seal between the top of

sealing strips, caulking, or equivalent sealing method

between the plenum and the furnace cabinet to ensure

a tight seal. Return air must not be drawn from a room

where this furnace or any gas-fueled appliance (i.e.,

water heater), or carbon monoxide-producing device

—Seal between the furnace cabinet and the

coil cabinet to prevent air leaks.

of the furnace and the coil cabinet.

All indoor cabinets

be taped after installation to seal

will be reduced if air leakage exists.

The refrigerant line sets should be sized according to

the recommendations given in the condensing unit or

heat pump installation instructions (see Table 3 for sweat

to match line set connections.

MCDP* Unit

Page 6

mrcool.com

Содержание MCDP Series

Страница 1: ...t for future reference Due to updates and constantly improving performance the information and instructions within this manual are subject to change without notice Please visit www mrcool com documentation to ensure you have the latest version of this manual Version Date 05 24 21 Installation Manual ...

Страница 2: ...vice agency As with any mechanical equipment contact with sharp sheet metal edges can result in personal injury Take care while handling this equipment and wear gloves and protective clothing The Clean Air Act of 1990 bans the intentional venting of refrigerant CFCs HCFCs and HFCs as of July 1 1992 Approved methods of recovery recycling or reclaiming must be followed Fines and or incarceration may...

Страница 3: ... 3 8 9 5 3 8 9 5 3 8 9 5 3 8 9 5 3 8 9 5 Number of rows 2 3 3 3 3 Fins per in m 18 709 12 472 12 472 12 472 12 472 lbs kg 1 package 44 20 44 20 49 22 57 26 58 26 MCDP 48B Nominal size tons 2 5 3 4 4 4 5 5 Suction vapor o d sweat 7 8 22 2 7 8 22 2 7 8 22 2 7 8 22 2 7 8 22 2 Liquid o d sweat 3 8 9 5 3 8 9 5 3 8 9 5 3 8 9 5 3 8 9 5 Condensate drain fpt 2 3 4 19 2 3 4 19 2 3 4 19 2 3 4 19 2 3 4 19 Net...

Страница 4: ...1 4 311 3 1 2 89 17 3 16 437 2 1 4 57 23 1 2 597 1 2 13 2 51 A B C D E G F 1 25 1 25 1 3 32 28 26 1 8 664 1 25 1 15 16 49 23 3 16 589 Outlet Opening Inlet Opening CONDENSATE DRAIN Outlet Opening Inlet Opening AIR FLOW SIDE VIEW FRONT VIEW LIQUID LINE MCDP 18 30 36 48 SUCTION Vapor LINE MCDP 24 60 1 2 13 22 5 8 575 H H SUCTION Vapor LINE MCDP 18 30 36 48 LIQUID LINE MCDP 24 60 Liquid and Suction Li...

Страница 5: ...nings Match 14 1 8 359 14 1 8 359 16 1 8 410 Physical Match MCDP 24B MCDP 30 36B 14 1 8 359 16 1 8 410 17 1 2 446 B Width Furnaces WARNING Coil Cabinet Wider Than Furnace Cabinet Supply Air Openings Match MCDP 48B 20 508 6 4 4 2 1 7 1 6 4 4 2 1 7 1 21 533 Coil opening will physically match the furnace supply air opening with the same letter designation in the model number Downﬂow Gas Furnaces MCDP...

Страница 6: ...Physical Match 24 1 2 622 D Width Furnaces 24 1 2 622 21 533 24 1 2 622 33 838 new models 40 1016 older models 33 838 new models 40 1016 older models C D 30 36 A N P A P C Coil Airflow D Downflow Capacity MBTU H Coil Dimension A 14 5 in B 17 5 in C 21 in D 24 5 in M M MRCOOL Page 5 mrcool com A 2nd Gen Refrigerant Case C Unpainted U Uncased P Painted Metering Device O Orifice T TXV C Capillary P P...

Страница 7: ...d to the plenum If the furnace and coil cabinet are the same size skip to step 3 Front to Rear 18A 24A 24B 30 36A 30 36B 14 1 4 394 mm 23 584 mm 30 36C 48B 48C 19 483 mm 50 60C 60D 22 1 2 571 mm Do not install screws through the drain pan 2 Install the provided coil locator brackets on the coil Align the coil locator brackets with the rear and sides of the coil cabinet Figure 2 illustrates how the...

Страница 8: ...Apply a small amount of refrigerant oil on the O ring 3 The suction line service port has no core Make sure that the service port cap is tightened securely 4 Insulate the refrigerant lines at the connections to prevent sweating of the suction line and seal cabinet opening All piping metering devices and connections must be insulated to prevent moisture damage caused by sweating To install the chec...

Страница 9: ...RIES UNITS USE NITROGEN OR DRY AIR AS A HOLDING CHARGE IF THERE IS NO PRESSURE WHEN THE RUBBER PLUGS ARE REMOVED CHECK THE COIL FOR LEAKS BEFORE INSTALLING REFER TO INSTRUCTIONS PROVIDED WITH OUTDOOR UNIT FOR LEAK TESTING EVACUATING AND CHARGING PROCEDURES FLOW REGULATED NITROGEN AT 1 TO 2 PSIG THROUGH THE REFRIGERATION GAUGE SET INTO THE VALVE STEM PORT CONNECTION ON THE OUTDOOR UNIT LIQUID LINE ...

Страница 10: ...E INSTALL LOW VOLTAGE OVERFLOW SWITCH KIT WIRE KIT TO SHUT DOWN COMPRESSOR PER INSTRUCTIONS NO YES CLEAN OUT VENT PRESS IN DO NOT GLUE VENT MUST EXTEND ABOVE HEIGHT OF COIL DRAIN PAN BY TWO INCHES 51 MM 1 X 3 4 X 3 4 REDUCING TEE WITH PLUG PVC SCH 40 P OR J TRAP 3 4 OVERFLOW DRAIN OPTIONAL SAFETY PAN FURNACE DRAIN PAN WHEN A COIL IS LOCATED ABOVE A FINISHED SPACE A 3 4 19 1 MM SECONDARY DRAIN LINE...

Страница 11: ... oils and greases which generally are not present on most installations Do not use alkaline washes to dissolve oxides such as zinc oxide aluminum oxide and iron oxide rust These three oxides are more corrosion resistant than base metals Dissolving or removing them will cause an increase in corrosion cleaning requires the use of acidic or alkaline cleaners cleaner from all equipment components Be c...

Страница 12: ...9 38 94 1300 614 43 107 1300 614 47 117 1200 565 54 135 1200 566 43 107 1400 661 49 122 1400 661 05 12 525 245 05 12 410 194 06 15 600 285 07 17 600 283 08 19 660 310 08 19 495 233 08 20 700 330 10 25 700 330 10 25 795 375 10 25 580 273 10 25 800 380 13 32 800 378 15 37 980 465 15 37 785 371 13 32 900 425 17 42 900 425 20 50 1165 550 20 50 995 469 16 40 1000 470 21 52 1000 472 25 62 1320 625 25 62...

Страница 13: ...750 825 28 70 1745 824 25 62 1750 825 28 70 1745 824 27 67 1805 850 31 77 1800 850 27 67 1805 850 31 77 1800 850 28 70 1845 870 32 80 1850 874 28 70 1845 870 32 80 1850 874 29 72 1905 900 33 82 1890 892 29 72 1905 900 33 82 1890 892 30 75 1950 920 34 85 1950 920 30 75 1950 920 34 85 1950 920 32 80 2000 945 36 90 2000 944 32 80 2000 945 36 90 2000 944 33 82 2055 970 38 95 2050 968 33 82 2055 970 38...

Страница 14: ...Signature Series Please read this manual carefully before installation and keep it for future reference Consult with the sales agency or manufacturer for details ...

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