Related Manuals for Carrier PRO-DIALOG PLUS 50AZ
Summary of Contents for Carrier PRO-DIALOG PLUS 50AZ
- Page 1 50AZ/UZ PRO-DIALOG Control for rooftop units 50 Hz Installation, operation and maintenance instructions...
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Page 2: Table Of Contents
CONTENTS 1 - SAFETY CONSIDERATIONS ..............................3 1.1 - General ....................................... 3 1.2 - Avoid electrocution ..................................3 2 - GENERAL DESCRIPTION ................................ 3 2.1 - General ....................................... 3 2.2 - Abbreviations used ..................................3 3 - HARDWARE DESCRIPTION ..............................4 3.1 - General ....................................... -
Page 3: Safety Considerations
CCN mode: the machine is controlled by commands from off before any work is begun. Shut off the main power supply at the Carrier Comfort Network (CCN). In this case, a data the main circuit breaker or isolator. communication cable is used to connect the unit to the CCN communication bus. -
Page 4: Hardware Description
All boards are supplied from a common 24 V a.c. supply Water coil frost protection sensors referred to earth. These Carrier 5K sensors are used on units fitted with hot water systems. NOTE: When connecting the power supply for the boards, preserve polarity, otherwise the boards may be damaged. -
Page 5: Connections Without Thermostat Input
Humidity sensors for the air conditioned space 3.5 - Connections without thermostat input This controls room humidity. It is an optional sensor of the 0- 10 V d.c. or 2-10 V d.c. type. The contacts below are available at the user's terminal block on the NRCP-BASE board (see Fig. -
Page 6: Connections With Thermostat Input
3.6 - Connections with thermostat input The contacts below are available at the user's terminal block on the NRCP-BASE board (see Fig. 1). Some of them can only be used if the unit operates in thermostat operating type (tStA). The following table summarises the connections at the thermostat terminal block. -
Page 7: Setting Up Pro-Dialog Plus Control
4 - SETTING UP PRO-DIALOG PLUS CONTROL 4.1 - Local interface general features MAIN INTERFACE SUMMARY INTERFACE MAIN INTERFACE SUMMARY INTERFACE DUAL-CIRCUIT HEAT PUMP INTERFACE DUAL-CIRCUIT COOLING ONLY UNIT INTERFACE MENU BLOCK MENU BLOCK The local interface enables a number of operating parameters to Main interface be displayed and modified. -
Page 8: Unit Start/Stop Control
The summary interface (right hand section) includes a mimic The following operating types can be selected using the diagram of the unit, together with push-buttons and LEDs. It Start/Stop button: gives quick access to the main operating parameters of the unit. OPERATING TYPES SUMMARY INTERFACE LEDS 4 DIGIT DISPLAY... -
Page 9: Menus
4.3 - Menus 4.3.3 - Modifying the value of a parameter/access to a sub- menu 4.3.1 - Selecting a menu Press the Enter button for more than 2 seconds to enter the The MENU button authorises you to select a menu from the 10 modification mode or to select a sub-menu. - Page 10 MENU STRUCTURE...
- Page 11 Menu tree structure MENU...
- Page 12 4.3.5 - Description of the Information menu INFORMATION MENU (3) ITEM FORMAT UNITS DESCRIPTION Automatic display mode. It cycles through the following displays: ±nn.n °C Controlled space temperature: temperature of the water that the unit tries to maintain at the control point. Unit operating type LOFF Local Off...
- Page 13 DESCRIPTION OF OPERATING MODES (ITEM 1 OF THE INFORMATION MENU) MODE # MODE NAME DESCRIPTION Thermostat mode Thermostat operating type: tStA. Local mode Local operating type: Off: LOFF, On: L-On, On in accordance with time schedule: L-Sc. Remote control mode Remote control operating type: rEM.
- Page 14 4.3.6 - Description of the Temperatures menu 4.3.7 - Description of the Pressures menu TEMPERATURES MENU [2] PRESSURES MENU [2] ITEM FORMAT UNITS COMMENTS ITEM FORMAT UNITS COMMENTS ±nn.n °C Room temperature sensor 1 nnnn Discharge pressure, circuit A. Relative pressure. ±nn.n °C Supply air temperature...
- Page 15 The following table shows the thermostat output functions depending on the unit type used. G: indoor fan on/off. Y: compressor 1 on/off (single-circuit unit) Y1: compressor 1 on/off Y2: compressor 2 on/off W: additional heating stage 1 on/off W2: additional heating stage 2 on/off O: cycle reversing valve on/off (heat pump units) Thermostat Single-circuit cooling only unit...
- Page 16 OUTPUTS STATUS & TESTS MENU [2] [3] - CONTINUED ITEM FORMAT UNITS DESCRIPTION 6 [1] Outdoor coil heater status tESt In test mode the direction arrows successively display 01 and 10, in order to alternatively authorise the test of each heater.
- Page 17 SUB-MENU USER CONFIGURATION ITEM USER 1 USER 2 DATE SCHEDULE 1 HOLIDAYS BROADCAST [USER1] [USER2] [dAtE] [ScHEduLE 1MEnu] [HOLidAy MEnu] [BrodCASt] Return to previous menu Return to previous menu Return to previous menu Return to previous menu Return to previous menu Return to previous menu Unit selection controlled by Night mode - start hour...
- Page 18 4.3.11.3 - Description of the User 1 Configuration sub-menu USER 1 CONFIGURATION SUB-MENU [2] ITEM FORMAT UNITS DEFAULT COMMENTS USEr MEnu When selected this item authorises return to the previous menu. «YES/no» Control selection by thermostat Yes = unit controlled by a thermostat No = unit automatically controlled This configuration permits connection of a room thermostat at the unit Frost protection mode selection in unoccupied mode...
- Page 19 4.3.11.4 - Description of the User 2 Configuration sub-menu USER 1 CONFIGURATION SUB-MENU ITEM FORMAT UNITS DEFAULT COMMENTS USEr 2 Menu When selected this item authorises return to the previous menu. Night control mode - start time* 00:00 to 23:59 00:00 Authorises entering the time of day at which the night control mode starts.
- Page 20 PERIOD X CONFIGURATION SUB-MENUS (X = 1 TO 8) 4.3.11.7 - Description of the Holidays sub-menus ITEM # FORMAT COMMENTS This function is used to define 16 public holiday periods. Each Period X Menu Indicates the period (X) you are going to configure. period is defined with the aid of three parameters: the month, When selected this item authorises a return to the starting day and duration of the public holiday period.
- Page 21 BROADCAST CONFIGURATION SUB-MENU ITEM # FORMAT COMMENTS broAdCASt MEnu When selected this item authorises a return to the main menu. YES/no Determines whether or not the unit is a broadcast acknowledger when the unit is connected on a CCN network. There must be only one broadcast acknowledger in a CCN.
- Page 22 4.3.14 - Runtime menu description RUNTIMES RUNTIMES MAINTENANCE [RuntiME] [MAintEnAnCE] NOTE: The items in brackets show what is displayed on the user interface. 4.3.14.1 - Description of the Runtimes menu ITEM # FORMAT UNITS COMMENTS When selected this item authorises return to the previous menu nnnn | M 10 | M100 hrs/10 or 100...
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Page 23: Pro-Dialog Plus Control Operation
In appropriate cases the unit may be controlled by an external economiser is opened to its minimum position. thermostat approved by Carrier. This function requires the use • Contact O closed and Y closed: if the unit is fitted with an... -
Page 24: Start/Stop Control
5.2 - Start/stop control ROOF_CMD: variable unit setpoint command, under CCN operation control (CCn). Variable forced to shut- The table below summarises the unit control type and stop or down: unit shuts down. Variable forced to on: unit go status with regard to the following parameters. authorised to start. -
Page 25: Calculating The Room Temperature
5.4 - Calculating the room temperature 5.6 - Heating/cooling mode Up to 2 sensors (1 of which is optional) may be used for cal- Units with heat pumps or additional heating stages may operate culating the room temperature. Depending on the configura- in either heating or cooling mode. -
Page 26: Controlling Room Temperature
(electric heat stage or hot water coil). NOTE: In some cases Carrier Service may adjust the loop gains to suit the installed configurations. 5.14 - Electric or gas stages 5.9 - Capacity limitation... -
Page 27: Purge
It requires the use of a communication bus If the unit is fitted with a power exhaust louvre, this shall be between the units concerned and must be configured by Carrier open if the position of the economiser is in excess of 50% (this Service. -
Page 28: Diagnostics - Troubleshooting
6 - DIAGNOSTICS - TROUBLESHOOTING This means that an alarm can be reset without stopping the machine. In the event of a power supply interrupt, the unit 6.1 - General restarts automatically without the need for an external com- mand. However, any faults active when the supply is inter- The PRO-DIALOG Plus control system has many fault tracing rupted are saved and may in certain cases prevent a circuit or a aid functions. - Page 29 ALARM CODE DESCRIPTIONS (continued) ALARM NAME ALARM DESCRIPTION ACTION TAKEN BY RESET TYPE PROBABLE CAUSE ALARM THE CONTROL CODE Low refrigerant pressure failure, Circuit running and the suction pressure Circuit shut down Automatic when pressure returns to Shortage of refrigerant, filter blocked or circuit A below threshold normal and if the same fault has not...
- Page 32 Order No. 15709-20, 02.2005. Supersedes order No. 15709-20, 05.2004 Manufactured by: Alarko-Carrier, Gebze, Turkey. Manufacturer reserves the right to change any product specification without notice. Printed in the Netherlands on chlorine-free paper.