APPENDIX A — WIRING SCHEMATICS (cont)

CHILLER CONTROL SCHEMATIC (cont)

TO TB-G **

 

 

 

 

 

 

 

 

21

11

 

 

 

COMP'R OIL HEATER

 

 

 

11

 

 

 

 

230V

 

 

 

 

 

 

 

 

 

 

 

(BLK)

 

(BLK)

 

 

 

 

 

 

 

 

1C

 

(BLK)

1C

 

 

 

(WHT)

 

22

12

 

 

 

 

 

12

 

 

 

 

 

 

 

 

 

115V

(BLK)

(BLK)

 

 

 

 

 

 

 

 

 

 

 

1C

 

 

1C

 

 

 

(WHT)

 

23

13

 

 

 

 

 

 

 

13

 

 

 

 

COM

(WHT)

(WHT)

 

 

 

 

 

 

 

(WHT)

 

(BLK)

 

 

 

(WHT)

 

 

 

 

1C

 

1C

 

 

 

 

 

 

 

 

230V WIRING MODIFICATION

 

 

 

COMP'R OIL HEATER

 

 

 

 

 

 

 

 

 

 

 

 

(BLK)

 

 

 

 

 

 

 

 

(BLU)

 

 

 

 

 

 

(WHT)

 

(WHT)

 

 

 

 

 

 

(BLK)

 

(BLK)

 

 

 

 

 

 

 

 

(RED)

 

 

 

 

 

 

(YEL)

 

(WHT)

(BLK)

 

(BLK)

 

(BLK)

 

 

 

 

 

 

 

 

(RED)

51

(WHT)

(RED)

(WHT)

(RED)

(WHT)

(RED)

(WHT)

 

 

 

 

 

 

(ORN)

50

 

 

 

 

 

 

 

 

 

 

T1

 

T2

 

T3

 

(BRN)

43

(BLK)

24VAC

24VAC

24VAC

(BLK)

17

(BLK)

 

 

 

 

 

 

TO VFD

 

 

(BRN)

(BRN)

(BRN)

(BRN)

(BRN)

(BRN)

(CLR)

C

COMP'R DISCH

 

 

 

 

 

 

 

 

HIGH PRESS

 

 

 

 

 

 

(BLK)

B

 

 

 

 

 

 

 

(RED)

A

 

 

 

 

 

 

 

(SHIELD)

 

 

(BLK)

 

(RED)

(GRY)

(RED)

(GRY)

 

 

 

 

(RED)

 

 

 

 

 

 

 

 

(BLK)

 

 

 

 

 

 

 

 

(CLR)

 

 

 

 

 

 

 

 

(BLK)

 

 

 

 

 

 

 

 

(BRN)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

2

WHT

WHT

 

 

 

 

 

UPC

 

(WHT)

(WHT)

 

 

 

 

 

 

 

 

 

 

 

 

 

COMP'R OIL PUMP MOTOR

 

 

 

 

 

 

 

 

WINDING HIGH TEMPERATURE

 

 

 

 

 

 

 

(WHT)

 

 

 

 

 

 

 

 

(RED)

 

 

 

 

 

 

 

 

(GRY)

 

 

 

 

 

 

 

 

a19-1947

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

21

11

 

 

 

 

 

 

VOLTAGE

2C

 

 

 

 

 

 

12

 

 

 

 

 

 

 

22

 

 

 

 

 

 

PER JOB

 

 

 

 

 

 

 

REQM'T

2C

 

 

 

 

 

 

 

23

13

 

 

 

 

 

 

 

 

2C

(GRN)

 

 

1

 

 

2

COM

 

3

OPEN

 

4

CLOSE

 

5

 

 

6

 

 

HGBP

 

ACTUATOR

 

(RED)

 

 

6

3C

5

(WHT)

 

 

(BLU)

(BLK)

 

3C

 

4

 

2

HOT GAS BYPASS

 

(FR #7 & 8 HT EXCH)

115V CONTROL ONLY

(BLK)

 

(GRN)

 

(BLU)

 

 

(RED)

 

 

(BLU)

 

 

(RED)

HGBP

 

(YEL)

SOLENOID

 

(BLK)

 

 

(BLK)

 

(BLK)

(YEL)

4

2

 

 

3C

 

SHOWN WIRED FOR 115V

 

2321

(GRN)

(BLU)

 

 

(RED)

 

 

(BLU)

 

 

(RED)

HGBP

 

(YEL)

SOLENOID

 

(BLK)

 

 

(BLK)

 

(BLK)

(YEL)

 

 

 

4

2

 

3C

 

230V WIRING MODIFICATION

 

HOT GAS BYPASS

(FR #1 - 6 HTEXCH)

YEL

(YEL)

 

 

BLK

 

(1-1/2 HP)

(BLK)

M

COMP'R OIL

 

 

PUMP MOTOR

RED

 

 

(RED)

 

 

 

LEGEND

 

CB

Circuit Breater

 

CCM

Chiller Control Module

 

HGBP

Hot Gas Bypass

 

ICVC

International Chiller Visual Controller

 

RHS

Relative Humidity Sensor

 

UPC

Universal Protocol Controller

**

VFD

Variable Frequency Drive

 

Denotes Control Panel Terminal

Denotes Oil Pump Terminal

Denotes Power Panel Terminal

Denotes Motor Starter Panel Conn Denotes Component Terminal Wire Splice

Denotes Conductor male/Female Connector Option Wiring

*Standard on LF2 drive; optional on machines equipped with other VFDs.

29

Page 29
Image 29
Carrier 19XRV specifications A19-1947, Hgbp, Rhs, Upc

19XRV specifications

The Carrier 19XRV is a cutting-edge rooftop chiller designed to provide reliable and efficient cooling solutions for a wide range of applications, including commercial buildings and industrial facilities. This advanced system integrates the latest technologies and innovative features to ensure optimal performance, energy efficiency, and ease of use.

One of the most prominent features of the 19XRV is its advanced inverter-driven compressor technology. This allows the chiller to adjust its capacity seamlessly based on the building's cooling demand. By varying the speed of the compressor, the 19XRV maximizes energy efficiency and minimizes operational costs, especially during partial load conditions. This capability not only enhances comfort but also contributes to reduced energy consumption, making it a sustainable choice for environmentally conscious users.

In addition to the inverter technology, the 19XRV incorporates a microchannel coil design. This design optimizes heat exchange efficiency and reduces the refrigerant charge, which is an essential factor in lowering greenhouse gas emissions. The microchannel coils also allow for more compact dimensions, making installation easier and maximizing rooftop space usage.

Another significant aspect of the Carrier 19XRV is its robust controls system. Equipped with Carrier’s advanced ComfortLink™ controls, this chiller offers precise monitoring and control over its operation. Users can easily integrate the chiller into building management systems for real-time data access and efficiency analytics. This connectivity ensures that operators can make informed decisions to optimize performance continuously.

The 19XRV also includes features aimed at enhancing reliability and durability. Its structural design incorporates corrosion-resistant materials, allowing the unit to withstand harsh environmental conditions. This reliability translates to lower maintenance requirements and extended equipment lifespan, providing excellent value over time.

Moreover, the chiller is designed for quiet operation, making it suitable for applications where low noise levels are essential. Sound-dampening measures ensure that the 19XRV can be utilized in urban environments or near sensitive areas without causing disturbances.

In conclusion, the Carrier 19XRV is a state-of-the-art rooftop chiller that combines efficiency, technology, and durability. Its inverter-driven compressor, microchannel coil design, advanced controls, and robust construction make it an ideal choice for those looking to maintain comfort while minimizing energy usage and environmental impact. Whether for commercial or industrial applications, the 19XRV stands out as a reliable and innovative cooling solution for the modern age.