Tab

Book

 

1a

1

Manufacturer reserves

1b

1

5a

1

5a

4

6a

4

6b

4

 

 

 

PC 111

the right to

 

Catalog No.

discontinue, or

 

534

 

Copyright 2001 Carrier Corporation

TRAN

 

 

 

24 VAC

 

+ 2-10VDC

20 VA

 

- SIG COM (J5-3)

(FIELD

 

+ 4-20mA (J5-2)

SUPPLIED)

 

NC

ALARM

 

 

24 V

 

COM

RELAY

 

NO

CONTACTS

 

 

GROUND

H G 24 VAC

 

 

OR

 

 

 

+ - 24 VDC

 

 

 

2 1

8 7 6 5 4 3 2 1

 

ECONOMI$ER OPTION/ACCESSORY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

24 VAC

 

 

 

OAT

 

 

 

 

 

 

 

 

 

RED

 

 

 

 

 

 

OAT

 

TAN

 

 

 

 

 

 

 

 

 

 

BRN

 

 

 

 

 

 

24 COM

COM

 

VIO

 

 

 

 

 

 

 

 

 

 

GRN

 

 

 

 

GND

OAH

 

WHT

 

 

 

 

 

 

 

 

 

 

BLU

 

 

 

 

 

 

 

 

CLG1

+15V

 

RED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PNK

 

 

 

 

 

 

 

 

CLG2

RAT

 

 

EC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

COM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CONTROLLER

 

 

ACCESSORY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RAH

 

 

ONLY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+15V

 

 

DM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CO2+

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CO2 COM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B1

DAT

 

VIO

DAT

 

 

 

 

 

 

 

 

 

YEL

 

 

 

 

 

 

 

 

 

Y1

COM

 

PNK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHT

 

 

Y2

REM POT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLK

 

 

G

COM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AO

LED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

COM

COM

 

 

 

-80082

change at any

Printed in U.S.A.

time, specifications

Form 48/50H,T-15SI

or designs without notice

Pg 8 8-01 Replaces: 48/50H,T-2SI

and without incurring obligations.

 

 

 

LEGEND

 

INDOOR AIR QUALITY (CO2) SENSOR

CO2

Carbon Dioxide

 

(33ZCSENCO2) TYPICAL WIRING DIAGRAM

COM — Common

 

 

 

 

DAT

Discharge Air Thermistor

 

 

DM

Damper Motor

 

 

DX

Direct Expansion Coil Sensor

 

 

EC

Enthalpy Control

NETWORK

BLK

HVAC — Heating, Ventilation, and Air Conditioning

 

RED

IAQ

Indoor-Air Quality

 

GRN

 

NC

Normally Closed

 

 

 

RED

OAT

Outdoor-Air Thermostat

 

 

RV

Reversing Valve

 

 

 

 

 

 

 

 

 

 

 

 

SAT — Supply-Air Temperature Sensor

REMOTE ROOM

BLK

 

 

 

 

 

 

 

 

AUXILIARY

TEMP — Temperature

 

 

 

 

 

 

 

 

 

TRAN — Transformer (Field Supplied)

TEMP. SENSOR

 

 

 

 

 

 

 

 

 

RELAY**

 

 

WHT

1

 

 

 

 

 

13

 

 

VTS — Carrier TEMP System

 

 

 

 

 

 

 

 

 

VVT® — Variable Volume/Variable Temperature

 

 

RED

2

 

 

 

 

 

12

 

 

 

 

BLU

3

 

 

 

 

 

11

FAN

 

Field-Supplied Wiring

ADDITIONAL SENSORS*

YEL

4

 

 

 

 

 

10

HEAT 2

 

GRN

5

 

 

 

 

 

9

HEAT 1 NC

 

 

TSP01

IAQ STATUS†

6

 

 

 

 

 

8

HEAT 1

 

 

7

 

 

 

 

 

7

HEAT/FAN COM

TO CARRIER

 

TERMINAL

 

 

 

 

 

 

 

NUMBER

FAN STATUS

8

1

2

3

4 FAN RV

6

COOL 2

HVAC UNIT

WHT

#1

 

9

 

COOL

 

HEAT

JUMPERS

5

COOL 1

FIELD SUPPLIED

 

10

 

 

 

 

4

COOL COM

WIRING

RED

#2

 

11

 

 

 

 

SINGLE ZONE

3

R

24 VAC/10 VA

 

HUMIDITY

 

 

12

 

 

 

 

RELAY PACK

2

C

 

 

OAT SAT DX

 

 

 

 

 

 

SENSOR

 

13

 

 

 

 

WITH AUXILARY

1

GROUND

 

GRN

#10

 

14

 

 

 

 

RELAY

 

 

 

 

BLK

#11

 

15

 

 

 

 

 

 

 

 

 

 

16

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

17

 

 

 

 

 

 

 

 

 

FILTER

 

 

 

 

 

 

 

 

 

 

 

 

STATUS

#10

 

 

 

 

 

 

 

 

 

 

 

GRN

 

 

SINGLE ZONE RELAY PACK CIRCUIT BOARD

 

 

 

 

BLK

#11

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

*Filter status switch and humidity sensor cannot function simultaneously. Only one sensor can be wired.

†Such as a CO2 sensor.

**Set auxiliary option to “2” — IAQ Control per VTS or VVT Installation Instructions. NOTE: Sensors are field-supplied and wired.

Fig. 10 — Apollo Wiring as Part of an Indoor-Air Quality System

Page 8
Image 8
Carrier 48/50TF, 50HJQ004-016, 50TFQ004-012, 48/50HJ004-024, TM016-028, TM004-014, 48/50TJ specifications Dat

TM004-014, TM016-028, 48/50TF, 50HJQ004-016, 48/50TJ specifications

Carrier has long been a leader in the heating, ventilation, and air conditioning (HVAC) industry, and their line of rooftop units, including the models 50TFQ004-012, 48/50HJ004-024, 48/50TJ, 50HJQ004-016, and 48/50TF, exemplifies their commitment to innovation and efficiency. These units are designed to meet the diverse needs of commercial buildings while providing precise climate control, reliability, and efficiency.

One of the main features of these rooftop units is their advanced cooling and heating capabilities. The units are equipped with high-efficiency scroll compressors that enhance performance and reduce energy consumption. This technology allows these units to operate efficiently even under varying load conditions, making them ideal for buildings with fluctuating occupancy levels.

In addition to their efficient compressors, Carrier rooftop units utilize variable speed fans, which help optimize airflow and further improve energy efficiency. The variable speed technology adjusts the fan speed to match the cooling or heating demand, ensuring a consistent and comfortable indoor environment. This adaptability not only enhances user comfort but also significantly reduces operational costs.

Another key characteristic of the 50TFQ004-012 and similar models is their compact design, making them suitable for a variety of rooftop spaces. These units are built with robust materials to endure harsh weather conditions, ensuring durability and long-lasting performance. Their lightweight construction also simplifies the installation process, allowing for faster project completion.

Furthermore, the models in this line come equipped with user-friendly control systems. These systems provide intuitive management and monitoring capabilities, allowing building operators to easily adjust settings and schedules. This feature ensures that energy consumption is kept to a minimum while maintaining optimal comfort levels.

Finally, Carrier incorporates advanced diagnostic features in these rooftop units, enabling proactive maintenance and reducing downtime. Through real-time monitoring, any potential issues can be addressed before they become significant problems.

In conclusion, Carrier's 50TFQ004-012, 48/50HJ004-024, 48/50TJ, 50HJQ004-016, and 48/50TF rooftop units blend powerful performance with cutting-edge technology. Their energy-efficient design, reliable components, and advanced control systems make them an excellent choice for any commercial HVAC application, ensuring a comfortable and cost-effective indoor environment.