Carrier manual Component Arrangement -- 90MA/MF/MU004/006 62--10458--00

Page 21

 

 

 

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

 

CONTROL PANEL

FAN

COOL

A W A R ME

B

 

OFF

HEAT

R

 

B

 

A COO L E R

DT1

DT2

 

DT1

DT2

 

1

 

3

 

 

 

 

 

 

 

 

 

 

2

 

 

 

 

 

 

TB1

 

 

 

 

 

TB1--1

NO

 

 

 

 

 

4

 

6

 

 

 

1 2

3 4 5

 

 

5

 

 

 

 

 

 

 

 

 

 

 

 

CLO

 

 

11

12

13

C1 CHR C2

 

 

 

 

 

 

 

 

 

VIEW A--A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GROUND

 

 

 

X

3

2

1

21

22

23

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C1 CFR C2

 

90MU ONLY

TB1--5

NO

 

 

 

 

 

 

 

 

 

 

 

TB1--4

NC

 

 

 

LEGEND

 

 

 

 

 

 

VIEW B--B

AS

AIR SWITCH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AC

AUTOMATIC CUTOUT

 

 

 

 

 

 

 

C

COMPRESSOR

 

 

 

 

 

 

 

 

CC

COMPRESSOR CONTACTOR

 

 

 

NOTES:

 

 

CH

CRANKCASE HEATER

 

 

 

 

 

 

 

 

 

 

 

 

 

CFR

CONDENSER FAN RELAY

 

 

 

1. 208--230/3/60 VOLT UNITS FACTORY WIRED

CHR

CRANKCASE HEATER RELAY

 

 

 

TO TRANSFORMER TERMINAL H2 (208 VOLT

CL

COMPRESSOR LOCKOUT

 

 

 

 

 

 

TAP). FOR 230 VOLT APPLICATIONS, RE--CON-

DPS

DISCHARGE PRESSURE SWITCH

 

 

F

FUSE

 

 

 

 

 

 

 

NECT TO TERMINAL H3 (230 VOLT TAP).

H1

CONTROLLING HEAT CONTACTOR

 

460/3/60 VOLT UNITS FACTORY WIRED TO

H2

BACKUP HEAT CONTACTOR

 

 

 

IFC

INDOOR FAN CONTACTOR

 

 

 

TERMINAL H6. 400/3/50 VOLT UNITS FACTORY

IFM

INDOOR FAN MOTOR

 

 

 

 

WIRED TO TERMINAL H5.

IPC

INTERNAL PROTECTOR--COMPRESSOR

IPF

INTERNAL PROTECTOR--FAN MOTOR

 

2. CONNECTION POINTS AT TB--1 TERMINALS

MC

MANUAL (RESET) CUTOUT

 

 

 

3 & 4 MAY BE USED FOR HEAT CONTROLS.

SPS

SUCTION PRESSURE SWITCH

 

 

 

 

 

 

MAXIMUM LOAD IS 250 VA INRUSH, 50 VA

SW

SWITCH

 

 

 

 

 

 

T

THERMOSTAT

 

 

 

 

 

SEALED.

 

 

TB

TERMINAL BOARD

 

 

 

 

 

3. SWITCH CONTACT ARRANGEMENT IS AS

TRAN

TRANSFORMER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SHOWN BELOW.

 

 

TERMINAL BOARD TERMINAL

 

 

 

 

 

 

TERMINAL (MARKED)

 

 

 

 

 

 

 

 

TERMINAL/SPLICE (UNMARKED)

 

 

 

 

 

 

LOCKOUT TERMINAL

 

 

 

 

 

 

 

 

FACTORY WIRING

 

 

 

 

 

 

 

 

FIELD WIRING

 

 

 

 

 

OFF

FAN

COOL HEAT

 

INDICATES COMMON POTENTIAL,

 

 

 

 

 

 

 

DOES NOT REPRESENT WIRING

 

 

 

 

 

Figure 14 Component Arrangement -- 90MA/MF/MU004/006

 

15

62--10458--00

Image 21
Contents Installation Operation & Service Models Safety Summary 62--10458--00 Safety-2 Table of Contents List of Illustrations Introduction Base Unit 90MA/MF/MU Units 404 406 408 Base Unit 90MA/MF Units Unit Dimensions Install water-regulating valve in water supply line Unit Length of RUN Operation Service Condensers may require cleaning of water-deposited scale Forced Circulation Method Refrigerant Charging 134a Units Mounting Wiring Schematic -- 90MA/MF/MU004/006 Component Arrangement -- 90MA/MF/MU004/006 62--10458--00 Wiring Schematic -- 90MA/MF/MU008/012 Component Arrangement -- 90MA/MF/MU008/012 62--10458--00 Index 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.