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37 

 

 

 

6.5  - Unit start/stop control 

The  unit  state  is  determined  based  on  a  number  of  factors, 
including its operating type, active overrides, open contacts, , or 
alarms triggered due to operating conditions. 

The  table  given  below  summarises  the  unit  control  type 
[ctrl_typ]  and  its  running  status  with  regard  to  the  following 
parameters: 

■ 

Operating type: 

This operating type is selected using the Start/ 

Stop button on the user interface. 

LOFF 

Local off 

L-C 

Local on 

L-SC 

Local schedule 

REM 

Remote 

CCN 

Network 

TSTAT 

Thermostat 

IMPO

RTANT: When the unit is stopping or there is a demand to 

stop the unit, compressors are stopped consecutively. 
In case of emergency stop, all compressors are stopped at 
the same time

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

.

Start/stop 

force 

command 

[ROOF_S_S]: 

Rooftop 

start/stop force command can be used to control the unit state 
in the Network mode. 

-

 Command set to stop: The unit is halted. 

-

 Command  set  to  start:  The  unit  runs  in  accordance  with 

schedule 1. 

■ 

Remote  start/stop  contact  status  [Onoff_sw]: 

Start/stop 

contact  status  can  be  used  to  control  the  unit  state  in  the 
Remote operating type. 

■ 

G: 

This contact is used when unit is in thermostat 

operating type

 

■ 

Start/stop  schedule  [roof_occ]: 

Occupied  or  unoccupied 

status of the unit. 

■ 

Network emergency stop command [EMSTOP]: 

If activated, 

the unit shuts down regardless of the active operating type. 

■ 

General alarm: 

The unit shuts down due to failure. 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

Active operating type 

Parameters status 

Result 

 

LOFF 

 

L-

ON 

 

L-SC 

 

Rem 

 

CCN 

 

TSTAT 

Start/stop 

force 

command 

Remote 

start/stop 

contact 

G 

Start/stop 

time schedule 

Network 

emergency 

shutdown 

General 

alarm 

Control 

type 

Unit 

state 

- 

- 

- 

- 

- 

- 

- 

- 

 

- 

enabled 

- 

- 

off 

- 

- 

- 

- 

- 

- 

- 

- 

 

- 

- 

yes 

- 

off 

active 

- 

- 

- 

- 

- 

- 

- 

 

- 

- 

- 

local 

off 

- 

- 

active 

- 

- 

- 

- 

- 

 

unoccupied 

- 

- 

local 

off 

- 

- 

- 

active 

- 

- 

- 

OFF 

 

- 

- 

- 

remote 

off 

- 

- 

- 

active 

- 

- 

- 

- 

 

unoccupied 

- 

- 

remote 

off 

- 

- 

- 

- 

active 

- 

disable 

- 

 

- 

- 

- 

CCN 

off 

- 

- 

- 

- 

active 

- 

- 

- 

 

unoccupied 

- 

- 

CCN 

off 

- 

- 

- 

- 

- 

active 

- 

- 

OFF 

 

- 

- 

tstat 

off 

- 

activ

e 

- 

- 

- 

 

- 

- 

 

 

disabled 

no 

local 

on 

- 

- 

active 

- 

- 

 

- 

- 

 

occupied 

disabled 

no 

local 

on 

- 

- 

- 

active 

- 

 

 

 On cooling 

 

occupied 

disabled 

no 

remote 

on 

- 

- 

- 

active 

- 

 

- 

On heating 

 

occupied 

disabled 

no 

remote 

on 

- 

 

- 

active 

- 

- 

- 

On auto 

 

occupied 

disabled 

no 

remote 

on 

- 

- 

 

- 

active 

- 

enable 

- 

 

occupied 

disabled 

no 

CCN 

on 

 

 

 

 

 

active 

 

 

ON 

 

 

 

tstat 

on 

 

Содержание SmartVu control

Страница 1: ...CONTROLS MANUAL SmartVu Control 50 48 UC V UP V 025 220 Original document...

Страница 2: ...9 Alarms menu 34 6 STANDARD CONTROL OPERATIONS AND OPTIONS 36 6 1 External thermostat control 36 6 2 Cooling only unit 37 6 3 Single circuit heat pump unit 37 6 4 Dual circuit dual compressor heat pu...

Страница 3: ...aying current alarms 49 8 3 E mail notifications 49 8 4 Resetting alarms 49 8 5 Alarm history 49 8 6 Alarm codes 50 9 MAINTENANCE 57 The cover photos are solely for illustration and forms no part of a...

Страница 4: ...The information provided herein is solely for the purpose of allowing customers to operate and service Carrier manufactured equipment and it is not to be reproduced modified or used for any other purp...

Страница 5: ...ools to move heavy objects Move units carefully and set them down gently CAUTION Only qualified service technicians should be allowed to install and service the equipment 1 2 Safety precautions Only p...

Страница 6: ...users tocontrol the unit viathe SmartVuuser interface Provides web connectivity technology Includes the trending functionality Supports Carrier Connect Services Remote connectivity alarm notification...

Страница 7: ...7 Fire damper output Defrost mechanism reversible HP Refrigerant leak detection Diagnostics...

Страница 8: ...ction 5 6 One Ethernet ports allow for TCP IP communication connection Connections on the bottom side of the controller 3 4 Power supply to boards All boards are supplied from a common 24 VAC supply r...

Страница 9: ...lpy contact SIOB2 circuit B DI 04 J1 Supply fan status contact SIOB1 circuit A DI 07 J1 Indoor air flow verification input Fire contact SIOB1 circuit A DI 05 Fire safety input Alarm relay output SIOB1...

Страница 10: ...gle 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 TSTAT Types TSTAT...

Страница 11: ...to be reduced by as much as 3K and to be increased by as much as 3K a button to extend the occupied period extension value entered in the configuration menu see GENCONF menu Supply air temperature sen...

Страница 12: ...eft is return fan and the values below are return airflow and RAT Outdoor Air Temperature OAT This parameter is displayed only in case of units fitted with OAT sensor Current freshair supply fan RTU I...

Страница 13: ...rol mode Unit is currently stopped blue icon Unit is currently running green icon Alarm menu Press the button to go to the Alarms menu The grey bell means there is currently no alarm active on the uni...

Страница 14: ...left 4 8 Screen calibration Thepurposeofscreencalibrationistomakesurethatthesoftware acts correctly upon pressing icons on the user interface To calibrate the screen 1 Press and hold anywhere on the s...

Страница 15: ...Configuration menu See section 5 2 Home Previous screen Main Menu System Menu User Login Start Stop Alarms Menu General Parameters Parameters Temperatures Pressures Inputs Outputs Run Times Modes Qui...

Страница 16: ...yp 0 to 3 0 Local 0 CCN 1 Remote 2 0 3 blank TSTAT 3 STATUS CHARS8 0 Run Status ALM CHARS8 0 Alarm state min_left 0 to 0 0 min Minutes Left for Start 0 0 HEATCOOL CHARS8 0 Heat Cool status HC_SEL 0 to...

Страница 17: ...aving Water Temp 0 0 SCT_A 0 to 0 0 F Saturated Condensing T A 0 0 SST_A 0 to 0 0 F Saturated Suction Temp A 0 0 SUCT_A 0 to 0 0 F EXV Suction Temp A 0 0 DEFRT_A 0 to 0 0 F Defrost Temperature A 0 0 S...

Страница 18: ...tch 0 1 SP_SW1 OPEN_CLOSE 0 Remote Setpoint Switch 1 0 1 SP_SW2 OPEN_CLOSE 0 Remote Setpoint Switch 2 0 1 lim_sw1 OPEN_CLOSE 0 Limit Switch 0 1 HS_FBK OPEN_CLOSE 0 Heat Stages status 0 1 PRE_HS OPEN_C...

Страница 19: ...E hpsw_b OPEN_CLOSE 0 High Pressure Switch B 0 1 hpsw_c OPEN_CLOSE 0 High Pressure Switch THR 0 1 exvA_fbk 0 to 0 0 EXV Position Circuit A 0 0 exvB_fbk 0 to 0 0 EXV Position Circuit B 0 0 exvC_fbk 0 t...

Страница 20: ...Output 0 1 cp_c2 OFF_ON 0 THR Compressor 2 Output 0 1 rv_c OFF_ON 0 4Way Refrig Valve THR 0 1 ecopos 0 to 0 0 Economizer Position 0 0 gas_on OFF_ON 0 Modulated Gas Enable 0 1 gas_v 0 to 0 0 Modulated...

Страница 21: ...0 0 EXV Position Circuit THR 0 0 hs_1 OFF_ON 0 Heater Stage 1 0 1 hs_2 OFF_ON 0 Heater Stage 2 0 1 hs_3 OFF_ON 0 Heater Stage 3 0 1 hs_4 OFF_ON 0 Heater Stage 4 0 1 pre_hs_1 OFF_ON 0 Pre heater Stage...

Страница 22: ...s Compressor A2 Hours 0 0 st_cp_a2 0 to 0 0 Compressor A2 Starts 0 0 hr_cp_b1 0 to 0 0 hours Compressor B1 Hours 0 0 st_cp_b1 0 to 0 0 Compressor B1 Starts 0 0 hr_cp_b2 0 to 0 0 hours Compressor B2 Ho...

Страница 23: ...1 m_dehumi NO_YES 0 Dehumidification Mode 0 1 m_iaq NO_YES 0 IAQ Mode 0 1 m_gas NO_YES 0 OAT Gas Threshold 0 1 m_fire NO_YES 0 Fire Shutdown Active 0 1 m_enth NO_YES 0 Enthalpy Lockout 0 1 m_start NO...

Страница 24: ...T High Limit 60 110 purg_du 1 to 5 2 min Purge Duration 1 5 iaq_sp 50 to 10000 700 IAQ Setpoint 50 10000 Trendings TRENDING Name Status Unit Displayed text Description GENUNIT_cap_t 0 to 100 Perecent...

Страница 25: ...n menu Date Time Configuration Home Previous screen Main Menu User Login Start Stop Alarms Menu Genunit Config User Configuration Hea Cool Config Schedule Menu Holiday Menu Reset Config Configuration...

Страница 26: ...NO_YES 0 Thermostat Control 0 1 frst_sel NO_YES 0 Frost Protection Select 0 1 spt_ctrl 0 to 4 0 SPT Calculation Select 0 4 blank 0 Average Temp Meth blank 1 High Temp Sensor blank 2 Low Temp Sensor bl...

Страница 27: ...ARTVU CONTROL MENU STRUCTURE synoptic NO_YES 0 Synoptic Is Displayed 0 1 User Configuration USERCONF Point Name Status Default Unit Description Low Limit High Limit use_pass 1 to 9999 11 User Password...

Страница 28: ...mer months and back again in the fall in order to make better use of natural daylight Greenwich Mean Time UTC Location Time zone YYYY MM DD HH MM SS Date Time Current date and time must be set manuall...

Страница 29: ...ule setting please see section 6 24 5 4 Holiday menu The Holiday menu allows the user to set up to 16 holiday periods which are defined by the start month start day and duration Holiday Menu HOLIDAY I...

Страница 30: ...ion RAM usage 0 to 100 FLASH Memory utilization Flash memory usage Depends on the selected language English by default EOL Resistor Menu EOLRES Status Default Displayed text Description disable enable...

Страница 31: ...me zone YYYY MM DD HH MM SS Date Time Current date and time must be set manually no yes Today is a Holiday Information about holidays read only Please note that holidays are set in the Holiday menu se...

Страница 32: ...NN N SDK Version SDK version number NN UI Version User interface version CARRIER Brand Brand name Depends on the selected language English by default Hardware Info Menu HWINFO Status Displayed text De...

Страница 33: ...ess the User Login button and then select User Login 2 Press the Password box 3 Provide the password 11 and press the Confirm button 4 The User Login screen appears 5 6 3 User password User password c...

Страница 34: ...layed 5 7 3 Unit stop To stop the unit 1 Press the Start Stop button 2 ConfirmtheunitshutdownbypressingConfirmStoporcancel the unit shutdown by pressing the Backbutton Unit start stop screen operating...

Страница 35: ......

Страница 36: ...ocess failure compressor failure and VFD drives IMPORTANT For more information about alarms please go to section 8 6 Current Alarms Menu CUR_ALM No Name Date Hour Alarm text 1 Alarm YYYY MM DD HH MM A...

Страница 37: ...urrent Alarm 1 Alarm code see section 8 6 4 alarm_2c Current Alarm 2 Alarm code see section 8 6 5 alarm_3c Current Alarm 3 Alarm code see section 8 6 6 alarm_4c Current Alarm 4 Alarm code see section...

Страница 38: ...ed 6 3 Single circuit heat pump unit Contact G open The internal fan is stopped and the economizer is closed Contact G closed The internal fan is activated and the economizer is opened to its minimum...

Страница 39: ...le 1 Remote start stop contact status Onoff_sw Start stop contact status can be used to control the unit state in the Remote operating type G This contact is used when unit is in thermostat operating...

Страница 40: ...In this case the function is generally used to limit the difference between the indoor and outdoor temperatures in order to prevent thermal shock IMPORTANT It is not possible to use both types of off...

Страница 41: ...be vspd_max 10 Volts 6 16 Head pressure control Condensing pressure control is automatically ensured by a two speed fan no adjustment 6 17 Defrost function Defrost is activated when the unit is in hea...

Страница 42: ...horised If the unit is fitted with a power exhaust fan this shall be open if the position of the economizer is in excess of 50 this threshold may be modified by Carrier Service 6 22 Purge This functio...

Страница 43: ...is in same status with the supply fan and the return fan s speed is command However any faults active when the supply is interrupted are saved and may in certain cases prevent a circuit or a unit from...

Страница 44: ...Press the Save button to save your changes or the Cancel button to exit the screen without making modifications Legend 1 Selection of days for the time schedule 2 Start end of the schedule 3 Previous...

Страница 45: ...on to display the graph showing trends for the set of selected parameters Set the time range start end dates and time and press the Arrowbutton todisplaythegraphshowingtheperformance of the unit withi...

Страница 46: ...y the unit IP address Example https 169 254 1 1 3 Press Enter 4 The web interface will be loaded IMPORTANT Three users can be connected simultaneously with no priority between them The last modificati...

Страница 47: ...sting alarms have been reset To define e mail recipients 1 Press theMain menu buttonandnavigatetotheConfiguration menu 2 Go to the Network menu 2 Select Email Configuration EMAILCFG 3 Define user e ma...

Страница 48: ...r installation fault Circuit is shut down 15 Pr 02 Circuit B Discharge Transducer As above As above As above 16 Pr 03 Circuit THR Discharge Transducer As above As above As above 17 Pr 04 Circuit A Suc...

Страница 49: ...d low suction temp overrides Manual Pressure sensor defective or refrigerant charge too low Circuit is shut down 41 P 41 Circuit B Repeated low suction temp overrides Manual As above As above 42 P 42...

Страница 50: ...Superheat B Manual Circuit B shuts down 66 P 10 High Suction Superheat THR As above As above Circuit THR shuts down 67 P 11 Low Suction Superheat A Manual Circuit A shuts down 68 P 12 Low Suction Sup...

Страница 51: ...ensure your Carrier equipment is regularly inspected by Carrier Service specialists so that any malfunction is detected and corrected quickly and no serious damage can occur to your equipment The Car...

Страница 52: ...o 10508 04 2019 Supersedes order No 10508 04 2019 Manufactured by Carrier SCS Montluel France Manufacturer reserves the right to change any product specifications without notice Printed in the Europea...

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