AHRI CERTIFIED MMY-UP2881FT6P-UL Heat Recovery Instructions

: September 27, 2024
: AHRI CERTIFIED

Table of Contents

MMY-UP2881FT6P-UL Heat Recovery
Product Specifications
Product Usage Instructions
Installation
Operation
Maintenance
- Frequently Asked Questions (FAQ)
Q: How many indoor units can be connected to this outdoor
Q: What refrigerant does this unit use?
Q: What is the power supply requirement for this outdoor
- Read User Manual Online (PDF format)
- Download This Manual (PDF format)

MMY-UP2881FT6P-UL Heat Recovery

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Product Specifications

Model: MMY-UP2881FT6P-UL

Heat Recovery Features: Yes

Nominal Cooling Capacity: 288,000 Btu/h

Nominal Heating Capacity: 324,000 Btu/h

Maximum Number of Indoor Units: 51

Cooling Efficiency:

EER/IEER, Ducted FCUs: 10.6/21.7 Btu/Wh
Power Consumption, Ducted FCUs: 23.50 kW
EER/IEER, Ductless FCUs: 11.6/22.8 Btu/Wh
Power Consumption, Ductless FCUs: 23.11 kW

Heating Efficiency:

COP at 47F, Ducted FCUs: 3.27
Power Consumption, Ducted FCUs: 25.07 kW
COP at 47F, Ductless FCUs: 3.88
Power Consumption, Ductless FCUs: 22.58 kW

Fan Type: Propeller (4)

Airflow, Standard Range: 7981 x 2 CFM

Sound Pressure: 66.0 dBA

Product Usage Instructions

Installation

1. Follow the provided dimensional drawing for proper placement
of the outdoor unit.

2. Ensure proper pipe connections for liquid and gas according
to specifications.

Operation

1. Power Supply: Connect to a 460V/3Ph/60Hz power supply.

2. Turn on the unit and select the desired mode
(cooling/heating).

Maintenance

1. Regularly clean the unit and ensure proper airflow for
efficient operation.

2. Check refrigerant levels and fan motor performance
periodically.

Frequently Asked Questions (FAQ)

Q: How many indoor units can be connected to this outdoor

unit?

A: The maximum number of indoor units that can
be connected is 51.

Q: What refrigerant does this unit use?

A: This unit uses R-410A refrigerant.

Q: What is the power supply requirement for this outdoor

unit?

A: The unit requires a minimum circuit amperage
(MCA) of 30A.

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VRF Outdoor Unit MMY-UP2881FT6P-UL – Heat Recovery

Submittal Data

Job Name __ Location ___ Tag _

Heat Recovery Features
· Modules and pairings available from 6 to 42 tons
· Modules have inverter-driven rotary compressors
· Direct-drive, inverter-driven outdoor motor
· Up to 3937 ft actual total system piping (liquid line)
· 656 ft (200 m) actual piping length from outdoor unit to furthest fan coil

· Operating temperature range
Cooling (db): -10 to 125F (15 to 52C) Heating (wb): 22 to 60F (25 to 18C)
· Protection: high pressure sensor and switch, low pressure sensor and switch, process controller board fuse, inverter overload protection
· 7-year compressor limited warranty
· 5-year parts limited warranty

A210612

Combination Model

MMY-UP2881FT6P-UL

Header Unit Model

MUP1441FT6P-UL

Follower Unit Model

MUP1441FT6P-UL

PERFORMANCE

Nominal Cooling Capacity

Btu/h

288,000

Nominal Heating Capacity

Btu/h

324,000

Maximum Number of Indoor Units

51

SIMULTANEOUS COOLING AND HEATING EFFICIENCY

SCHE, Ducted FCUs

30.00

SCHE, Ductless FCUs

30.80

COOLING EFFICIENCY

EER/IEER, Ducted FCUs

Btu/Wh

10.6/21.7

Power Consumption, Ducted FCUs kW

23.50

EER/IEER, Ductless FCUs

Btu/Wh

11.6/22.8

Power Consumption, Ductless FCUs kW

23.11

HEATING EFFICIENCY

COP at 47F, Ducted FCUs

3.27

Power Consumption, Ducted FCUs kW

25.07

COP at 47F, Ductless FCUs

3.88

Power Consumption, Ductless FCUs kW

22.58

Fan Type (Qty)

Propeller (4)

Airflow, Standard Range

CFM

7981 x 2

Sound Pressure

dBA

66.0

External Static Pressure*

in. wg

0.321

LEGEND

db COP EER FCU IEER wb SCHE

— Dry Bulb — Coefficient of Performance — Energy Efficiency Ratio — Fan Coil Unit — Integrated Energy Efficiency Ratio — Wet Bulb — Simultaneous Cooling and Heating Efficiency

ELECTRICAL Power Supply Minimum Circuit Amps (MCA) Maximum Overcurrent Protection (MOCP)
COMPRESSORS
Type (Number)
FAN MOTOR Motor Output
PHYSICAL DATA Pipe Connection Size – Liquid (High Pressure) Pipe Connection Size – Gas (Low Pressure) Discharge – Gas (High/Low Pressure) Refrigerant Factory Charge Unit Width Unit Height Unit Depth Net Weight

V/Ph/Hz A
A

460/3/60 24.6 x 2
30 + 30

Hermetic Rotary Triple x 2

kW

0.48 x 4

in.

5/8 + 5/8 (Brazed)

in.

1-1/8 + 1-1/8 (Brazed)

7/8 x 2 (Brazed)

R-410A

lb

19.8 + 19.8

in.

51-1/2 x 2

in.

66-1/2 x 2

in.

31-1/4 x 2

lb

776 + 776

Rated per AHRI (Air-Conditioning, Heating and Refrigeration Institute) 1230 Standard.
Cooling: Indoor 80°F (27°C) db/67°F (20°C) wb; Outdoor 95°F (35°C) db Heating: Indoor 70°F (21°C) db; Outdoor 47°F (8°C) db/43°F (6°C) wb
*Requires setting by menu functions. Additional charge required. NOTE: Unit cabinet and coil slab shall be capable of withstanding 500-hour salt spray test.

Edition Date: 05/24 Printed in U.S.A.

Form No: MMY-UP2881FT6P-UL_02 Replaces: MMY-UP2881FT6P-UL_01

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
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DIMENSIONAL DRAWING OUTDOOR UNIT MMY-UP2881FT6P-UL

Note

Arrange each outdoor unit in order of its capacity.
Header unit Follower unit

( Unit : in [mm] )

Front side (For work and service)

Variable Refrigerant Flow(VRF) Multi-Split AC and HP AHRI Standard 1230

Edition Date: 05/24 Printed in U.S.A.

Form No: MMY-UP2881FT6P-UL_02 Replaces: MMY-UP2881FT6P-UL_01

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
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