CONTROL BOX

 

 

 

 

 

11

12

13

11

12

13

 

H1

H3

 

H2

H4

 

 

 

 

 

 

 

X2

TRAN

X1

 

 

 

 

 

 

 

 

 

 

21

22

23

21

22

23

 

 

 

 

 

 

C1 IFC C2

C1

CC C2

 

 

 

F

 

 

DT1

 

DT2

DT1

 

DT2

 

1

 

 

3

 

 

 

 

 

 

 

 

 

2

 

 

 

TB1

 

 

 

 

 

 

 

 

 

 

 

 

4

 

 

6

 

 

 

1 2

3 4 5

 

 

 

 

5

 

 

 

 

 

 

 

 

 

 

CLO

 

11

12

13

C1 CHR C2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GROUND

 

X

3

2 1

21

22

23

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C1 CFR C2

 

90MU ONLY

CONTROL PANEL

FAN COOL

A W A R ME

B

 

OFF

HEAT

R

 

B

 

A COO L E R

TB1--1

NO

VIEW A--A

TB1--5 NO

TB1--4 NC

 

 

LEGEND

 

 

AS

AIR SWITCH

AC

AUTOMATIC CUTOUT

C

COMPRESSOR

CC

COMPRESSOR CONTACTOR

CH

CRANKCASE HEATER

CFR

CONDENSER FAN RELAY

CHR

CRANKCASE HEATER RELAY

CL

COMPRESSOR LOCKOUT

DT

DUMMY TERMINAL

DPS

DISCHARGE PRESSURE SWITCH

F

FUSE

H1

CONTROLLING HEAT CONTACTOR

H2

BACKUP HEAT CONTACTOR

IFC

INDOOR FAN CONTACTOR

IFM

INDOOR FAN MOTOR

IPC

INTERNAL PROTECTOR--COMPRESSOR

IPF

INTERNAL PROTECTOR--FAN MOTOR

LLS

LIQUID LINE SOLENOID

OL

OVER LOAD

MC

MANUAL (RESET) CUTOUT

SPS

SUCTION PRESSURE SWITCH

SW

SWITCH

T

THERMOSTAT

TB

TERMINAL BOARD

TRAN TRANSFORMER

US

UNLOADER SOLENOID

TERMINAL BOARD TERMINAL

TERMINAL (MARKED)

TERMINAL/SPLICE (UNMARKED)

LOCKOUT TERMINAL

FACTORY WIRING

FIELD WIRING

INDICATES COMMON POTENTIAL,

DOES NOT REPRESENT WIRING

VIEW B--B

NOTES:

1.208--230/3/60 VOLT UNITS FACTORY WIRED TO TRANSFORMER TERMINAL H2 (208 VOLT TAP). FOR 230 VOLT APPLICATIONS, RE--CON- NECT TO TERMINAL H3 (230 VOLT TAP).

460/3/60 VOLT UNITS FACTORY WIRED TO TERMINAL H6. 400/3/50 VOLT UNITS FACTORY WIRED TO TERMINAL H5.

2.CONNECTION POINTS AT TB--1 TERMINALS

3& 4 MAY BE USED FOR HEAT CONTROLS. MAXIMUM LOAD IS 250 VA INRUSH, 50 VA SEALED.

3.SWITCH CONTACT ARRANGEMENT IS AS SHOWN BELOW.

OFF FAN COOL HEAT

Figure 16 Component Arrangement -- 90MA/MF/MU008/012

 

17

62--10458--00

Page 23
Image 23
Carrier manual Component Arrangement -- 90MA/MF/MU008/012 62--10458--00

90MA/MF/MU specifications

The Carrier 90MA/MF/MU series represents a significant advancement in HVAC technology, designed for commercial applications needing reliability, efficiency, and precision in climate control. These units are renowned for their ability to cater to varying thermal loads while minimizing energy consumption, making them an ideal choice for various settings including offices, retail spaces, and industrial facilities.

One of the standout features of the Carrier 90MA/MF/MU series is its impressive energy efficiency. The equipment is designed with advanced thermodynamic principles to ensure maximum heat transfer and minimal energy loss. With high Seasonal Energy Efficiency Ratios (SEER) and Energy Efficiency Ratios (EER), these units help building owners achieve higher energy savings compared to traditional HVAC systems.

Another significant characteristic of the 90MA/MF/MU series is the integration of advanced control technologies. The units come equipped with sophisticated microprocessor-based controls that allow for precise temperature management and enhance overall system performance. Features like modulating capabilities and variable speed fans provide superior comfort levels by continuously adjusting to the changing environmental conditions.

The 90MA series also emphasizes quiet operation, which is critical for commercial environments. The innovative design includes insulation and vibration dampening technologies that reduce noise levels, ensuring a comfortable working atmosphere.

Durability and reliability are also central to the design of the Carrier 90MA/MF/MU series. These units are engineered with high-quality materials and components, including robust compressors and corrosion-resistant finishes that withstand harsh weather conditions. This durability extends the lifespan of the units, thus reducing maintenance costs and downtime.

In terms of versatility, the 90MA/MF/MU series offers a broad range of configurations and options, including various sizes and capacities. This flexibility allows for tailored solutions that meet the specific needs of different applications, from large commercial buildings to smaller retail outlets.

The series also supports environmentally friendly refrigerants that comply with global standards, marking Carrier’s commitment to sustainable practices. This approach not only reduces environmental impact but also positions businesses favorably in the eyes of eco-conscious consumers.

Overall, the Carrier 90MA/MF/MU series stands out as a pinnacle of efficiency, performance, and reliability in the commercial HVAC market. Its advanced technologies and thoughtful design cater to the diverse needs of modern businesses while promoting a sustainable and comfortable indoor environment.