MRCOOL MAHM060CTA, MAHM060ETA Specifications

MAHM*TA

PRODUCT SPECIFICATIONS

ENHANCED AIR HANDLER

APPLICATION

• 2 - 5 ton systems

• Sequenced for demand management

• External access to heater circuit breakers

INSTALLATION

• One piece design

• Smaller profile for closet applications

• Multi-position = Upflow/ Horizontal Left/ Horizontal Right/ Counter
Flow (with kit)

• Approved for installation in manufactured housing and mobile
homes

CABINET

• Foil faced insulation for enhanced indoor air quality

• Double hemmed technology for increased structural rigidity

• Improved gasketing on doors to reduce air leakage

• Filter rack with thumb screws for easy access and removal

• Polymer plugs on drain locations for easy installation

• Baked polyester paint finished over galvanized steel for maximum
durability

• High strength/heat resistant/corrosion resistance SMC drain pans

• Antimicrobial treated drain pan to resist mold and mildew growth

• Meets 2 % or less air leakage

COILS

• Coolguard™ total corrosion protection technology designed coil

• Enhanced tube-and-fin coil design featuring MHT™ Technology

• Lanced fins for maximum heat transfer

• Factory tested for leakproof construction

COMPONENTS

• Efficient Constant Torque blower motors

• Standard transformer and blower relay

• Field installed 2.5, 5, 7.5, 10, 12.5, 15, and 20 kW electric heat kits with
ease of assembly quick wire connectors

• Built-in indoor time delay for increased efficiency and comfort

WARRANTY

10-year limited warranty on all parts, extended warranty available.

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ENHANCED AIR HANDLER MAHM*ETA

MODEL NUMBER GUIDE

COMPANY

M= MR COOL

PRODUCT TYPE

AH = AIR HANDLER

AIR FLOW

BTU

24, 30, 36, 42, 48, 60

E024MAHM

AT

2ND GENERATION

METERING DEVICE

O = ORIFICE

T = TXV

C = CAPILLARY
P = PISTON

MOTOR

C = PSC

E= ECM

PHYSICAL

Model Volts/Hz/Phase

MAHM024ETA 208-230/60/1 10 40 VA Class 2 15 x 20 3/4 3/8 H4TXV01 127

MAHM030ETA 208-230/60/1 15 40 VA Class 2 15 x 20 3/4 3/8 H4TXV01 133

MAHM036ETA 208-230/60/1 15 40 VA Class 2 18 x 20 7/8 3/8 H4TXV02 163

MAHM042ETA 208-230/60/1 15 40 VA Class 2 18 x 20 7/8 3/8 H4TXV02 168

MAHM048ETA 208-230/60/1 20 40 VA Class 2 18 x 20 7/8 3/8 H4TXV02 186

MAHM060ETA 208-230/60/1 20 40 VA Class 2 18 x 20 7/8 3/8 H4TXV03 186

Max. Elec.

Heat (kW)

Transformer

Size & Type

Filter Size

(inches)

Refrigerant Connection

Suction (in.) Liquid (in.)

Installed

TXV Size

Weight

(lbs.)

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ENHANCED AIR HANDLER

ACCESSORIES

DESCRIPTION WHERE USED KIT NUMBER

Down-flow Kit

ELECTRIC HEAT

5 kW MHK05H 30A 18, 24, 30, 36, 42, 48, 60

7.5 kW MHK07H 45A 18, 24, 30, 36, 42, 48, 60

10 kW MHK10H 60A 24, 30, 36, 42, 48, 60

15 kW MHK15H 60A + 25A 30, 36, 42, 48, 60

20 kW MHK20H 60A + 50A 48, 60

MAHM*ETA

24, 30 MSHDK1830

36, 42, 48, 60 MSHDK3660

Electric Heat Kits with Circuit Breaker

* Circuit breaker must match rated “Max C/B Size”; replace breaker as necessary.

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ENHANCED AIR HANDLER

ELECTRICAL

MAHM*ETA

Model

MAHM24ETA

MAHM30ETA

MAHM36ETA

MAHM42ETA

MAHM48ETA

MAHM60ETA

Heating Capacity (240V)

Nominal

Heater

kW Btuh

Blower

Amps

SizekW

0 0 0

5 4.8 16400 27 30 30 30

7.5 7.5 25600 39 44 40 45

Min. Circuit Ampacity

208V 240V 208V 240V 208V 240V

1 2 1 2 1 2 1 2 Amps Fuse Amps Fuse

5.1 5.1 15 15

4.1

Max. Circuit Breaker

Size

Single Point Power Supply

10 9.6 32700 48 55 50 60

0 0 0

5.1 5.1 15 15

5 4.8 16400 27 30 30 30

7.5 7.5 25600 39 44 40 45

10 9.6 32700 48 55 50 60

4.1

12.5 12.5 42600 43 19 48 22 45 20 50 25 62 70 70 70

15 14.4 49100 48 22 55 25 50 25 60 25 70 70 80 80

0 0 0

5.1 5.1 15 15

5 4.8 16400 27 30 30 30

7.5 7.5 25600 39 44 40 45

10 9.6 32700 48 55 50 60

4.1

12.5 12.5 42600 43 19 48 22 45 20 50 25 62 70 70 70

15 14.4 49100 48 22 55 25 50 25 60 25 70 70 80 80

0 0 0

7.5 7.5 15 15

5 4.8 16400 29 33 30 35

7.5 7.5 25600 41 47 45 50

10 9.6 32700 51 58 60 60

6.0

12.5 12.5 42600 45 19 51 22 45 20 60 25 64 70 73 80

15 14.4 49100 51 22 58 25 60 25 60 25 73 80 83 90

0 0 0

9.5 9.5 15 15

5 4.8 16400 31 35 35 35

7.5 7.5 25600 43 49 45 50

10 9.6 32700 53 60 60 60

12.5

12.5 42600 47 19 53 22 50 20 60 25 66 70 75 80

7.6

15 14.4 49100 53 22 60 25 60 25 60 25 75 80 85 90

20 19.2 65500 53 43 60 50 60 45 60 50 96 100 110 110

0 0 0

9.5 9.5 15 15

5 4.8 16400 31 35 35 35

7.5 7.5 25600 43 49 45 50

10 9.6 32700 53 60 60 60

7.6

12.5 12.5 42600 47 19 53 22 50 20 60 25 66 70 75 80

15 14.4 49100 53 22 60 25 60 25 60 25 75 80 85 90

20 19.2 65500 53 43 60 50 60 45 60 50 96 100 110 110

1. For 208 volt use .751 correction factor for kW and Btuh

2. 12.5kW, 15 and 20kW (2 stage models) require 2 supply circuits

3. Circuit #1 includes blower motor amps except 20kW models

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ENHANCED AIR HANDLER

BLOWER

MAHM*ETA

Model

MAHM24ETA 1/2 10 x 8

MAHM30ETA 1/2 10 x 8

MAHM36ETA 1/2 10 x 8

MAHM42ETA 3/4 12 x 10

MAHM48ETA 1 12 x 10

MAHM60ETA 1 12 x 10

Motor

Size (hp)

Blower

Size
(in.)

Speed

Tap

Application

CFM @ ESP - in. W.C.

0.1 0.2 0.3 0.4 0.5

1 Fan Only 590 575 530 480 430

2 Matched with 1.5 ton condensing unit 750 650 610 550 480

3 Nominal 2 ton match without electric heat 950 825 785 740 690

4 Nominal 2 ton match with electric heat 1040 1020 985 940 920

5 High static application 1160 1140 1120 1080 1050

1 Fan Only 700 665 625 565 490

2 Matched with 2 ton condensing unit 860 810 770 715 665

3 Nominal 2.5 ton match without electric heat 1040 1010 980 940 890

4 Nominal 2.5 ton match with electric heat 1140 1100 1045 1015 980

5 High static application 1390 1375 1340 1285 1245

1 Fan Only 850 800 750 665 600

2 Matched with 2.5 ton condensing unit 1080 950 910 850 775

3 Nominal 3 ton match without electric heat 1270 1230 1170 1120 1060

4 Nominal 3 ton match with electric heat 1440 1400 1330 1280 1240

5 High static application 1540 1475 1430 1380 1300

1 Fan Only 990 915 860 810 725

2 Matched with 3 ton condensing unit 1190 1150 1100 1060 1020

3 Nominal 3.5 ton match without electric heat 1390 1350 1315 1280 1230

4 Nominal 3.5 ton match with electric heat 1665 1625 1585 1550 1510

5 High static application 1750 1710 1675 1640 1600

1 Fan Only 1250 1210 1185 1130 1110

2 Matched with 3.5 ton condensing unit 1500 1465 14

35 1400 1360

3 Nominal 4 ton match without electric heat 1715 1670 1635 1615 1575

4 Nominal 4 ton match with electric heat 1770 1735 1700 1670 1650

5 High static application 1895 1860 1835 1795 1760

1 Fan Only 1100 1050 1000 925 830

2 Matched with 4 ton condensing unit 1625 1595 1565 1520 1490

3 Nominal 5 ton match without electric heat 1815 1785 1760 1730 1685

4 Nominal 5 ton match with electric heat 1905 1870 1835 1810 1765

5 High static application 1980 1955 1925 1895 1860

All data given while air handler is operating with a wet coil and without air filter installed.
Speed tap 1 to be used for continuous fan operation.
Speed tap 2 to be used for cooling speed of 1/2 ton smaller outdoor unit match. Speed tap 3 to be used for cooling speed of nominal tonnage match.
Speed tap 4 to be used for heating speed for units with electric heat. This is the minimum speed for heating. Speed tap 5 to be used for high static applications.

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ENHANCED AIR HANDLER

FRONT VIEW SIDE VIEW

(Top and Left Side

1 (25)

8

DIMENSIONS (IN.)

SUPPLY AIR

E

MAHM*ETA

OPENING

1 (25)

LINE VOLTAGE

INLETS

3-5/8

(92)

5 (102)

F

)

TOP VIEW

CIRCUIT

BREAKER

COVER

AIR FLOW

G

D

SUCTION

LINE

LIQUID

LINE

1 (25)

LOW VOLTAGE

INLETS

(Top and Right Side)

3/4 (19)

LINE VOLTAGE INLETS

A

CONDENSATE DRAIN

PIPING PLATE (4)

(2-1/4 x 3-3/4)

FILTER ACCESS

CB

(Top and Right Side)

LOW VOLTAGE INLETS

(Either Side)

1/2

(13)

JH

Dimension

1-1/8

(29)

1-1/8

OPENING OPENING

(29)

18 24 30 36-42 48 60

in. mm in. mm in. mm in. mm in. mm in. mm

A 43.5 1105 45.5 1156 47 1194 53.63 1362 55 1397 59.75 1518

B 18.5 470 18.5 470 18.5 470 21.5 546 21.5 546 21.5 546

C 16.5 419 16.5 419 16.5 419 19.5 495 19.5 495 19.5 495

D 16.25 413 16.25 413 16.25 413 19.25 489 19.25 489 19.25 489

All specifications and illustrations subject to change without notice and without incurring obligations.

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