48/50PD

down arrow keys to scroll through the top-level categories. These are listed in Appendix A and will be indicated on the Scrolling Marquee by the LED next to each mode listed on the face of the display.

When a specific mode or sub-mode is located, push the ENTER key to enter the mode. Depending on the mode, there may be additional tiers. Continue to use the up and down keys and the ENTER keys until the desired display item is found. At any time, the user can move back a mode level by pressing the ESCAPE key. Once an item has been selected the display will flash showing the item, followed by the item value and then followed by the item units (if any).

Items in the Configuration and Service Test modes are password protected. The display will flash PASS and WORD when required. Use the ENTER and arrow keys to enter the four digits of the password. The default password is 1111.

Pressing the ESCAPE and ENTER keys simultaneously will scroll an expanded text description across the display indicating the full meaning of each display point. Pressing the ESCAPE and ENTER keys when the display is blank (MODE LED level) will return the display to its default menu of rotating AUTO VIEW display items. In addition, the password will need to be entered again before changes can be made.

Changing item values or testing outputs is accomplished in the same manner. Locate and display the desired item. If the display is in rotating auto-view, press the ENTER key to stop the display at the desired item. Press the ENTER key again so that the item value flashes. Use the arrow keys to change the value of state of an item and press the ENTER key to accept it. Press the ESCAPE key and the item, value or units display will resume. Repeat the process as required for other items.

There are some points that can be forced from the Scrolling Marquee or the Navigator. If the user needs to force a variable, follow the same process as when editing a configuration parameter. A forced variable, regardless where the force has come from will be displayed with a blinking “.” on a Scrolling Marquee and a blinking “f” on a Navigator following its value. For example, if

economizer commanded position (EC.CP) is forced, the Navigator display shows “80f”, where the “f” is blinking to signify a force on the point. The Scrolling Marquee display shows “80.” Where the “.” is blinking to signify a force on the point. Remove the force by selecting the point that is forced with the key ENTER and then pressing the up and down arrow keys simultaneously.

Depending on the unit model, factory-installed options and field-installed accessories, some of the items in the various Mode categories may not apply.

System Pilott and Touch Pilot Devices

The System Pilot device (33PILOT-01) and Touch Pilot device (33CNTPILOT) can be used as CCN communication user-interfaces. These devices can be put on the CCN bus and addressed to communicate with any other device on the network. Unlike the Scrolling Marquee and Navigator, these pilots read the 48/50PD’s CCN tables and the units CCN points can be monitored, forced, or configured.

IMPORTANT: Multiple zoning application is NOT recommended at this time with the PD products.

Additionally, the System Pilot device can serve as a wall-mounted temperature sensor for space temperature measurement. The occupant can use the System Pilot device to change set points. A security feature is provided to limit access of features for unauthorized users. See Fig. 3 for System Pilot device details.

CCN Tables and Display

In addition to the unit-mounted Scrolling Marquee display, the user can also access the same information through the CCN tables by using the Service tool or other CCN programs/devices. The variable names used for the CCN tables and the Scrolling Marquee menus may be different and more items may be displayed in the CCN tables. Details on the CCN tables are included with the local display menus in Appendix A. Appendix A is structured towards the organization of the local display (Scrolling Marquee) menus. Because of the variety of CCN programs and devices, the CCN tables, sub-tables, and points are referenced within that organization.

Table 2 — Scrolling Marquee Mode and Menu Display Structure

RUN

SERVICE

TEMPERATURES

PRESSURES

SETPOINTS

INPUTS

OUTPUTS

CONFIGURATION

TIME

OPERATIN

ALARMS

G

STATUS

TEST

CLOCK

 

 

 

 

 

 

MODES

 

 

 

 

 

 

 

 

 

 

 

Auto View

Service Test

Air

 

 

General

Fan

Display

Time of Day

Control

Reset All

of

Mode

Temperatures

 

 

Inputs

Outputs

Configuration

(TIME)

Modes

Current

Run Status

(TEST)

(AIR.T)

 

 

(GEN.I)

(FANS)

(DISP)

(MODE)

Alarms

(VIEW)

 

 

Month, Date

(R.CURR)

Test Independent

Refrigerant

 

 

Current

Cool

Unit

Day and

Cool Mode

Software

Outputs

Temperatures

 

 

Sensor Inputs

Outputs

Configuration

Year

Diagnostic

Reset

Version

(INDP)

(REF.T)

 

 

(CS.IN)

(COOL)

(UNIT)

(DATE)

(COOL)

Alarm

Numbers

 

 

 

History

(VERS)

Test Fans

 

 

 

Air Quality

Heat

Cooling

Daylight

Heat Mode

(R.HIST)

(FANS)

 

 

 

Inputs

Outputs

Configuration

Savings

Diagnostic

Control

 

 

 

(AIR.Q)

(HEAT)

(COOL)

Time

(HEAT)

Currently

Modes

Test Cooling

 

 

 

 

(DST)

Active

(MODE)

(COOL)

 

 

 

 

Economize

Heating

Economizer

Alarms

 

 

 

 

r

Configuration

Local Time

Diagnostic

(CURR)

Cooling

Test Heating

 

 

 

 

Outputs

(HEAT)

Schedule

(ECON)

Status

(HEAT)

 

 

 

 

(ECON)

(SCH.L)

Alarm

(COOL)

 

 

 

 

 

Economizer

Demand

HIstory

 

 

 

 

 

Alarm

Configuration

Local

Listing

(HIST)

Heating

 

 

 

 

 

Relay

(ECON)

Holiday

(DMD.L)

 

Status

 

 

 

 

 

(ALRM)

Schedules

 

 

(HEAT)

 

 

 

 

 

 

Air Quality

(HOL.L)

 

 

 

 

 

 

 

 

Cfg.

 

 

 

Economizer

 

 

 

 

 

 

(AIR.Q)

 

 

 

Status

 

 

 

 

 

 

 

 

 

(ECON)

 

 

 

 

 

 

Alarm Relay

 

 

 

 

 

 

 

 

 

Config.

 

 

 

Component

 

 

 

 

 

 

(ALM.O)

 

 

 

Run Hours

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PID

 

 

 

(HRS)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Configuration

 

 

 

 

 

 

 

 

 

 

 

 

Component

 

 

 

 

 

 

(PID)

 

 

 

 

 

 

 

 

 

 

 

 

Starts

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Sensor

 

 

 

(STRT)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Calibration

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(TRIM)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CCN

 

 

 

 

 

 

 

 

 

 

Configuration

 

 

 

 

 

 

 

 

 

 

(CCN)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

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Carrier 48/50PD05 manual System Pilott and Touch Pilot Devices, CCN Tables and Display

48/50PD05 specifications

The Carrier 48/50PD05 is a remarkable addition to Carrier's lineup of rooftop units, offering advanced cooling and heating solutions for commercial applications. Designed for medium-sized buildings, this unit is well-suited for both new installations and as a replacement for older systems, thanks to its versatile features and efficient performance.

One of the standout features of the 48/50PD05 is its energy efficiency. It incorporates state-of-the-art technology to achieve high Seasonal Energy Efficiency Ratios (SEER) and EER ratings, reducing operational costs while delivering superior comfort. The unit is also compliant with the latest energy regulations, making it an environmentally friendly choice for building owners concerned about sustainability.

The 48/50PD05 is equipped with a highly efficient scroll compressor, which not only enhances performance but also contributes to quiet operation. This is a significant advantage in commercial spaces where noise levels need to be kept in check for comfort and productivity. Additionally, the unit includes advanced airflow design, ensuring even distribution of conditioned air throughout the space.

Technologically, the Carrier 48/50PD05 features Carrier's Infinity Control system, which allows for precise control of indoor climate. This intelligent control mechanism can be integrated with smart building management systems, enabling users to monitor and manage energy use effectively. Wi-Fi connectivity is also available, providing remote access for real-time adjustments and diagnostics.

Durability is another characteristic of the 48/50PD05. Constructed with high-quality materials, the unit withstands various environmental conditions, ensuring longevity and reliability. Moreover, the modular design facilitates easy maintenance, making service procedures efficient and cost-effective.

In addition to cooling, the Carrier 48/50PD05 offers heating capabilities, often utilizing gas or electric heating options that can be tailored to the specific needs of a building. The unit can also be equipped with integrated economizers, allowing for free cooling during suitable outdoor conditions, further enhancing energy savings.

Overall, the Carrier 48/50PD05 stands out as a high-performance HVAC solution that combines efficiency, technology, and durability. It provides building owners with a versatile tool to ensure comfort while minimizing their environmental footprint. With a strong emphasis on energy savings and advanced control features, this rooftop unit is a smart investment for any commercial property.