Carrier 48/50HC04---14 manual

48/50T C04 - - - 28, 50TCQ04 - - - 12 48/50HC04 - - - 14, 50HCQ04 - - - 12 F actor y Ins talled Optio n R T U --- O P E N Cont rols , St art - - - Up, Ope ratio n and T ro ubles ho ot ing Ins truct io ns T ABLE OF CONTENTS SAFETY CONSIDERA TI ONS 2 ......................... GENERAL 2 ......................................... SENSOR/ACCESSOR Y INST [...]

2 SAF ETY CONSIDERA TIONS Installa tion a nd servici ng of air-conditioni ng equipm ent can be hazardous due to sy stem press ure and electrical compone nts. Only tra ined a nd qualifi ed service personnel should install, repair , or s ervice air -conditioning equipme nt. Untrained pe rsonnel can perform the basic maintenance fu nction s of rep lac[...]

3 C10818 Fig. 1 - - RTU- - OPEN Contr ol Modul e[...]

4 T able 1 – R TU - -OPEN Input s and O utput s POINT NAME BACnet O BJ ECT NAM E TYPE OF I/ O CON N ECTION P IN NUM BE R (S) DEDICATE D INPUTS Spa ce T emp / Zone T emp zone_tem p AI (10K Thermistor) J 2 0 --- 1 , 2 Suppl y Ai r T em perat ure sa_ temp AI (10K T hermistor) J 2 --- 1 , 2 Ou tdoor Air T emper ature oa_temp AI (10K Thermis tor) J 2 [...]

5 C10819 Fig. 2 - - T ypical Fac t ory Opt ion W i ri ng[...]

6 Resi sti ve Non - - Communi c ati ng Senso r Wiri ng For sensor with setpoi nt a djustme nt up t o 500 ft (152m ), use three -conductor shielded c able 20 gauge wire to connec t the sensor to the cont rolle r . For non set point adjus tment (s lidebar ) or retu rn air duct s ens or , an unshielded, 18 or 20 gauge, two-conductor , twisted pair cab[...]

7 J20 1 2 RED BLK RED RED BLK BLK BLK RED BLK RED SENSOR 1 SENSOR 2 SENSOR 3 SENSOR 4 J20 RED BLK RED BLK SENSOR 2 SENSOR 1 RED RED BLK SENSOR 3 SENSOR 4 BLK BLK RED RED RED BLK BLK SENSOR 8 SENSOR 9 SENSOR 5 RED BLK SENSOR 6 SENSOR 7 BLK RED SP ACE TEMPERA TURE A VERAGING — 4 SENSOR APPLICA TION SP ACE TEMPERA TURE A VERAGING — 9 SENSOR APPLIC[...]

8 Re lat ive Hum idity Se nsor s (Spac e or Du ct Mou nt ed) The access ory s pace hu midity sen so r or duct humidity sens or is used to measure the relative humidity of the air within th e space or r eturn air du ct. The RH read ing is used to control the Humid i-M izer t option of t he rooftop unit. For wiring dista nces up to 500 ft (152m), use[...]

9 Relative Humidity Sensor (Polarized Male Connector ) J4-1 or J4-4 + 24 VDC Supply Voltage J4-2 or J4-5 (-) 4 to 20 mA Cu rrent Loop Output to RTU-O PEN 4-20 VAC GND 0-5V mA or or VDC 0-1 0V SPAN ZERO C10839 Fig . 9 - - Du ct Rela tiv e Hu m idity S en sor T yp ica l Wiring T o wire ret urn air ent halpy sensor: --MP Con nect the 4-20 mA In termin[...]

10 C10821 Fig. 10 - - Enthalpy Swi t ch and Se ns or W ir ing Communicati on W iring - - Protocols Gen eral Protocols are the comm unica tion la nguages spoken by control devi ces. T he main purpose of a prot ocol is to communi cate infor mation in the mos t eff icient metho d pos sib le. Dif ferent pro tocols exist to provid e dif ferent kinds of [...]

11 SW 3 P roto col S electio n PROTOC OL DS8 DS7 DS6 DS5 DS4 DS3 DS2 DS1 BAC ne t MS/T P (Ma ster) Unused OF F OF F OFF ON OFF Select Ba ud Select Ba ud Modb us (Slave) Unused OF F OFF ON ON OFF Select Ba ud Select Ba ud N2 (Slave) Unused OF F OFF OFF ON ON OFF OF F LonWorks Unuse d ON ON OFF ON OFF OFF ON NOTE: DS = Dip Sw itch BACnet MS/TP SW3 ex[...]

12 C10817 Fig . 14 - - L ON - - OC a n d L ON N etwo rk Wirin g Loc al Access BACvi ew 6 H andhe l d The BA Cview 6 is a ke ypad/di splay inte rface used to conn ect to the R TU- - OPEN to access the contro l informat ion, re ad sensor val ues, and t est the R TU. (See Fig . 15.) This is an accesso ry interface that does not come with the R TU- - O[...]

13 ST ART- - UP IMP ORT ANT : Follow the base unit’ s start-up sequence docume nted in i ts specifi c instruc tions. Use the base unit’ s start-u p check list w hen per formin g the star t-up . At the e nd of t his ma nual there is an additi onal R TU-OPEN Star t-up S heet to be completed an d includ ed with the base unit check lis t. Besides t[...]

14 De humidif icat ion T est For u nits w ith the facto ry Reheat op tion, the dehumidi fica tion re lay i s used t o change the out put status to operate the circu its in dif ferent Reheat modes. Dehu midificatio n relay on by itself puts all circuits running in Hot Gas Rehe at dehum idifi cat ion mode ; dehumid ification r elay on and th e coolin[...]

15 V ent Dm pr P os / DCV Mi n Po s – Minimu m damper pos ition fo r ventilatio n durin g the occup ied period Range = 95-150 _ F Defau lt = 120 _ F DC V Max V ent Dam per Pos – This is the gre ate st position the economizer can open t o while trying to control the indoor air quality levels Range = 10-60%open Defa ult = 50%open S Fan S ervice A[...]

16 Input 5 - - This input i s a discre te i nput and c an be configured t o be one of six di fferent functi ons: No Fun ction, F ire S hu tdow n, F an S tatus , Filter Statu s, Remote Occupanc y , or Door Contac t. This input can also be config ured to b e either a Nor mally Open ( N/O ) or a Normally Cl osed (N/C) switch. Input 5 i s factory wire [...]

17 USE RPW This s ubmen u scr een allow s you to ch ange the user password to a four num ber password of c hoice . The User pass w ord ch ange scr een is on ly access ible with th e A d m i n i s t r a t o r P a s s w o r d ( 1111 ) . T h e A D M I N p a s s w o r d will always override t he user password. Factory Defa ult = 0000 Range = 0000 - - 9[...]

18 Cooling The c ompressor outputs are c ontroll ed by the Cooling Control PID Loop and Cool ing Stages Ca paci ty algori thm. They will be us ed to calculate the desired n umber of stag es needed to s atis fy the s pace by comparing the Space T empe rature (SPT) to the Occupie d Cool Setpoint plus the T56 s lider of fset when o ccupied and the Uno[...]

19 If all of the above conditions ar e met, the controller uses a PID logic loop to energize or de - - e nergize heat output s to satis fy the heat deman d. If the SA T begins to exceed the high supply air set point, a ra mping func tion wil l cause t he Heat S tages Cap acity algor ithm to decreas e the number of stages unti l t he SA T has droppe[...]

20 Optimal Star t The R TU- - OP EN may utilize O ptimal Start, w hich adju sts the effecti ve setpoints to achieve the occupie d setpoint s by the time sched uled occu pancy begins. The Op timal Start recovery period ma y begin as e arly a s 4 hours prior to occ upancy . The a lgorit hm works by movi ng the unoccupi ed s etpoi nts toward the occup[...]

21 TROUBLESHOOTING General The R TU - - OPEN con troller acts as an intelligent imbedde d therm ostat t o the rooftop unit, but ca n be monitore d and cont rolle d from I - - V u Open (Linka ge) or a 3rd part y network. This c auses the system as a whole to be troubleshot from thre e points of view . T he three parts to the sy stem ar e the ro ofto[...]

22 C10825 Fig. 16 - - Example M odst at Communica tion LE D’ s The LED’ s indicate i f the control ler is speaking to the devic es on the net work. The LE D’ s should re flec t communi cat ion tra ffic based on the baud rate set. The higher the baud rat e the more soli d the LED’ s will a ppear . T able 3 – LED’ s The LED’ s on the R [...]

23 T a ble 4 – RTU- - OPEN Alarms POINT NAME BACn et Obj ect NAM E ACTION T AKEN B Y CON TROL RES ET METHOD PROBABLE C AUSE Safe ty Ch ain saf ety_ a larm Imm edi ate S hutdo wn Automa tic Ov er loa d In d oor Fan or Ele ctric Heater overheat Fi re Shut dow n fire_alarm Im me diat e S hutdow n Au tomatic Smoke detected by smoke de- tec tor o r co[...]

24 Alarms Alarms are provide d to indi cat e a possible proble m with the c ontrolle r or unit. Ala rms can be checked t hrough a netwo rk and/or the local access device. All alarms are listed in T able 4 with name, object name, action taken by control, reset m ethod, a nd possible cause. S ome ala rms can occur b ased on s pecif ic config uration [...]

25 The following v alues are related to the Space T emperature alarm: Alarming T emperature – Thi s varia ble di splays the value of the space tem perat ure that is in al arm and i s only vis ible wh en the s pace temp erature i s in an alarm s tate. Ala rm Limit Ex ceeded – This va riabl e displays t he value of the alarm setpoint that is exce[...]

26 Air side Linkage Alarm This alarm indicates th at R TU-O P EN was connected to a zoned system c all ed Linkage t and it lost communicatio ns w ith its linkage master or if it receiv es invalid data. Third Par ty Netw orking Third pa rty comm unica tion a nd networking troubleshooti ng should be done by or wit h assistance from the front end 3rd [...]

27 APP ENDIX A - - USER INTERF ACE MENUS Field Assistant Navigation Pr operti es Equi pment St at u s Co n f igu r a t ion Unit Conf igurat i on Se tp o in t s A l arm Conf igurat i on S erv ic e Conf i gurat ion Ma i nt en a n c e Al ar m s Lin kage BACview Navigation S T AT US M AI NT AL ARM BA C ne t L I N K A GE SET POI N T A l arm Logi n Ke y [...]

28 APP ENDIX A - - USER INTERF ACE MENUS (CON’T) Standby BAC view Scr een and Login Scr een BAC view M ENU POINT NAME BACnet O BJ ECT VALUE STANDB Y R T U --- O P E N Opera ti ng M ode run_stat us 1=Off 2=F an Only 3=Economizer 4=Cooling 5=Heating 6=Dehu midif ication 7=T est 8= Shut down 9=Unocc F ree C ooling (NTFC) Space T emperature spa ce_ t[...]

29 APP ENDIX A - - USER INTERF ACE MENUS (CON’T) Status Menus BAC view M ENU POINT NAME BACnet O BJ ECT RANGE FI ELD ASSIST ANT MENU HOME Select fu nctio n b elow Properties/Equipment STA TUS STA TUS Statu s System Mod e mode_ statu s 1=Dis abled 2=T est 3=Run Opera ti ng M ode run_stat us 1=Off 2=F an Only 3=Economizer 4=Cooling 5=Heating 6=Dehu[...]

30 APP ENDIX A - - USER INTERF ACE MENUS (CON’T) Configuration M enus BAC vie w ME NU POINT NAME BAC ne t OBJECT RAN GE DEF AUL T FI EL D AS S ISTANT ME NU HOME Sele ct func ti on belo w Prope rties/ Equ ipmen t CONF IG CONFIG U RATION Confi g urati on SETPOI NT SETPO IN TS Setpoi nts Occ upied Heat ing Setpoi nt occ_ ht_ stpt 40 - - - 90 ° F 70[...]

31 APP ENDIX A - - USER INTERF ACE MENUS (CON’T) Configuration Menus (c on’t) BAC vie w ME NU POINT NAM E BAC ne t OBJECT RAN GE DEF AUL T FI EL D AS S ISTANT ME NU HOME Sele ct func ti on belo w Prope rties/ Equ ipmen t UNI T UN IT CON FIG UR ATION Un it C on f igu r at ion Fa n Mo d e fan_mode 1=A uto 2= Cont inu- ous 3=Always On Cont inuo us[...]

32 APP ENDIX A - - USER INTERF ACE MENUS (CON’T) Configuration Menus (c on’t) BAC vie w ME NU POINT NAME BAC ne t OBJECT RAN GE DEF AUL T FI EL D AS S ISTANT ME NU HOME Sele ct func ti on belo w Prope rties/ Equ ipmen t INPU T INP UT C ON FIGU RATION Un it C on f igu r at ion Inp ut 1 F uncti on ai1_f unct i on 1=No Sensor 2=IA O Sensor 3=OA Q [...]

33 APP ENDIX A - - USER INTERF ACE MENUS (CON’T) Configuration Menus (c on’t) BAC vie w ME NU POINT NAME BAC ne t OBJECT RAN GE DEF AUL T FI EL D AS S ISTANT ME NU HOME Sele ct func ti on belo w Prope rties/ Equ ipmen t SERVICE SERVIC E CONFIGU RATION Servi ce Confi gurat ion Unit T ype un it_ty pe 1=Heat/Cool 2=HP O/B Ctrl 3=HP Y1/W1 Ctrl Heat[...]

34 APP ENDIX A - - USER INTERF ACE MENUS (CON’T) Maint enance Men u BAC view M ENU POINT N AME BACnet O BJ ECT RANGE FIELD ASSISTAN T MENU HOME Select f un ction below Properties/Equipment MAIN T UN IT MAIN TE NA NC E Mai ntenanc e Occu pa ncy Statu s occ_ statu s Occu p ied/ Unoccu pie d Space T emp Sensor sp t_sta tus 1=Sens or F ailur e 2=SPT [...]

35 APP ENDIX A - - USER INTERF ACE MENUS (CON’T) Alarm Me nus BAC view M ENU POINT N AME BACnet O BJ ECT RANGE FIELD AS SIST A NT MENU HOME Select f un ction below Properties/Equipment ALARM CURRENT ALARMS Alarms Safe ty Ch ain safe ty_ ala rm Normal/Al arm Fi re Shut dow n fire_alarm Normal /Alarm Suppl y F an Fa il ure sfan_fail_alarm No rmal/A[...]

36 APP ENDIX B - - THIRD P AR TY POINTS LIST (IN ALP HABETICAL ORDER) BAC ne t Mod bus N2 LO N Wo rk s Point Name Read/ Write BACnet Point Name OBJE CT ID Regist er Ty p e Regist er # Network Point Ty p e Network Point Addre ss SNVT T ype SNVT Name Active C o mpr esso r Stages R comp_r un AV :2020 float valu e 40031 ADF 10 SNVT_c ount _i nc (9) nvo[...]

37 APP ENDIX B - - THIRD P AR TY POINTS LIST ( CON’ T) (IN ALP HABETICAL ORDER) BAC ne t Mod bus N2 LO N Wo rk s Point Name Read/ Write BACnet Point Name OBJE CT ID Regist er Ty p e Regist er # Network Point Ty p e Network Point Addre ss SNVT T ype SNVT Name Fa ct o r y T es t Re l a y 1 Control R/W re- lay1_fa c_t es t B V :91001 Fa ct o r y T e[...]

38 APP ENDIX B - - THIRD P AR TY POINTS LIST ( CON’ T) (IN ALP HABETICAL ORDER) BAC ne t Mod bus N2 LO N Wo rk s Point Name Read/ Write BACnet Point Name OBJE CT ID Regist er Ty p e Regist er # Network Point Ty p e Network Point Addre ss SNVT T ype SNVT Name Inp ut 1 F uncti on R/ W ai1 _func ti on MSV:8100 1 Inp ut 2 F uncti on R/ W ai2 _func ti[...]

39 APP ENDIX B - - THIRD P AR TY POINTS LIST ( CON’ T) (IN ALP HABETICAL ORDER) BAC ne t Mod bus N2 LO N Wo rk s Point Name Read/ Write BACnet Point Name OBJE CT ID Regist er Ty p e Regist er # Network Point Ty p e Network Point Addre ss SNVT T ype SNVT Name Ov erri de Ti me R e- ma in ing R ovr de_time A V:2016 float valu e 40093 ADF 41 SNVT_tim[...]

40 APP ENDIX B - - THIRD P AR TY POINTS LIST ( CON’ T) (IN ALP HABETICAL ORDER) BAC ne t Mod bus N2 LO N Wo rk s Point Name Read/ Write BACnet Point Name OBJE CT ID Regist er Ty p e Regist er # Network Point Ty p e Network Point Addre ss SNVT T ype SNVT Name Su pply Air T e mp Sensor R sat _alarm B V:7004 discrete in 10047 BI 47 SNVT_swi tc h (95[...]

41 RT U - - O P E N S T A RT - - U P S H E E T RTU Model Number: Date: RTU Serial Num ber: Per f or m ed b y : RTU - - - OPEN Software Vers ion: Com pany : Protocol and Boad R ate: Network Add ress: CONFIGURA TI ON POINTS BAC view MENU POINT N AME BACn et OBJECT RANGE DEFA UL T ENTRY HOME Select f un ction below CONFI G C O N FIGURATIO N SET- POINT[...]

42 CONFIGURA TI ON POINTS (CON’T) BAC view MENU POINT N AME BACn et OBJECT RANGE DEFA UL T ENTRY HOME Select f un ction below CONFI G C O N FIGURATIO N UNIT UN IT C ON FIGUR ATIO N Fa n M od e fan_mode 1=Auto 2= Conti nuous 3=Always On Conti nuous Unit St art Delay sta rt_ d elay 0 --- 3 0 s e c 5 Fa n O f f De l a y fan_del ay_off 0 --- 1 8 0 s [...]

43 CONFIGURA TI ON POINTS (CON’T) BAC view MENU POINT N AME BACn et OBJECT RANGE DEFA UL T ENTRY HOME Select f un ction below CONFI G C O N FIGURATIO N INP UT INP UT CON FI GUR A TI ON Input 1 F uncti on ai1_funct ion 1= No Sensor 2=IAO Senso r 3=OAQ Sensor 4=Space RH Sensor No Sens or Input 2 F uncti on ai2_funct ion 1= No Sensor 2=IAO Senso r 3[...]

44 CONFIGURA TI ON POINTS (CON’T) BAC view MENU POINT N AME BACn et OBJECT RANGE DEFA UL T ENTRY HOME Select f un ction below CONFI G C O N FIGURATIO N SERVIC E SERVICE CONFIGU RA TION Unit T y p e unit_ ty pe 1=Heat/C ool 2=HP O/B C trl 3=HP Y1/W1 C trl Heat/Cool ( TC and HC models) HP Y1/W1 C trl (TCQ and HCQ models ) Comp re ssor Stag es comp_[...]