CLIMAVETENTA W3000 Informations techniques

W3000 TECHNICAL MANUAL C0240111-06-07-GB For software versions CA15 Replaces C0240111-01-07-GB CLIMAVENETA S.p.A Via Sars

C0240111-06-07-GB 10 1.4 Setting adjustment methods Depending on the type of compressor used, various adjustment methods may be selected. Compr

C0240111-06-07-GB 100 10.4 Connecting the remote keypad Usually, just the keyboard on the chiller is used. This is connected directly to connector

C0240111-06-07-GB 101 10.4.2 Remote keyboard up to 200 metres To connect a remote keyboard two “T” shunt boards must be used, one near the control

C0240111-06-07-GB 102 10.4.3 Remote keyboard from 200 metres up to 500 metres If the remote keyboard must be installed over 200m away from the plan

C0240111-06-07-GB 103 10.4.4 Remote keypad for more than one unit To connect more than one chiller to the same remote keyboard, connect

C0240111-06-07-GB 104 SYMBOLS The following symbols are used in the W3000 and W3000 compact masks. Flashing items on main mask Description Bands

C0240111-06-07-GB 11 1.4.1 Proportional step adjustment on inlet probe Some examples of proportional “step” adjustment on the inlet temperature p

C0240111-06-07-GB 12 The following tables show some typical values for the parameters in question. The theoretical maximum and minimum outlet temp

C0240111-06-07-GB 13 1.4.2 Proportional step adjustment on inlet probe + integral on inlet probe This adjustment method is based on the sum of tw

C0240111-06-07-GB 14 1.4.3 Quick mind adjustment Users only need set the required setpoint as the other parameters are adapted to t

C0240111-06-07-GB 15 2 compressors - with maximum permitted number of start-ups per hour 8 Litres/kW 10.5 9.5 8.5 7.5 6.5 5.5 4.5 3.5 2.5 ∆

C0240111-06-07-GB 16 1.4.4 Modulating adjustment of screw compressors With screw compressors, modulating adjustment is performed on the outlet pr

C0240111-06-07-GB 17 1.4.5 Adjustment method for centrifuge compressors Adjustment is combined on the inlet temperature and integral on the outle

C0240111-06-07-GB 18 s e t p o i n ts e t p o i n t+p r o p o r t i o n a l b a n ds t a r t c o m p r e s s o r 1t [ m i n ]T i n [

C0240111-06-07-GB 19 Let us take a close look at how the compressor is activated. The amplitude of zone A coincides with the temperature

C0240111-06-07-GB 2 Contents 1 USER INTERFACE...

C0240111-06-07-GB 20 The following figure, instead, gives an example of the integral contribution of the adjustment method. Set point Set point

C0240111-06-07-GB 21 2 ALARMS Press the [ALARM] key once to enter the “alarms menu” and view the alarm message along with its code. If there is m

C0240111-06-07-GB 22 ALARM DESCRIPTION details RESET 082 Pump 2 thermal switch Pump 2 overheated (in units with more than one pump). M 085 Conde

C0240111-06-07-GB 23 ALARM DESCRIPTION details RESET 223 Circuit 3 fan thermal protection “as above, for circuit 3” M 224 Circuit 4 fan therma

C0240111-06-07-GB 24 ALARM DESCRIPTION details RESET 363 Compressor 3 compression ratio “as above, for compressor 3” A/M 364 Compressor 4 comp

C0240111-06-07-GB 25 ALARM DESCRIPTION details RESET 522 Exp 2 Probe 2 error slave “analogue, as above” A 523 Exp 2 Probe 3 error slave “anal

C0240111-06-07-GB 26 3 TABLE OF MASKS Press [UP] or [DOWN] to move from one mask to another inside the same menu. Press [ENTER] to access the para

C0240111-06-07-GB 27 Mask Description Para n° Refrigerant: Type : R407c Sets the

C0240111-06-07-GB 28 Mask Description Para n° Subcooling Enabled N Enables subcooling. T

C0240111-06-07-GB 29 Mask Description Para n° Compressor start time: 30 s Sets the start

C0240111-06-07-GB 3 1 USER INTERFACE There are three types of user interface: Depending on the type of user interface install

C0240111-06-07-GB 30 Mask Description Para n° Status Code Description S0 off Off, circuit off S1

C0240111-06-07-GB 31 Mask Description Para n° Circuit start bypass 120 s Start variation delay 600 s (only for auto tunin

C0240111-06-07-GB 32 Mask Description Para n° Cont. condensation control Max. lim. 100 % Min. lim. 030 % Sets maximu

C0240111-06-07-GB 33 Mask Description Para n° Low ext. air temp. Enabled N Setpoint -25.0 °C Diff. 02.0 °C Enables exte

C0240111-06-07-GB 34 Mask Description Para n° Rec. setpoint var. Enabled 4-20 mA Min. 00.0 °C Max. 06.0 °C Enables re

C0240111-06-07-GB 35 Mask Description Para n° Hour counter Compressor 1: Threshold 010x1000 Reset N° 000000 Sets the threshol

C0240111-06-07-GB 36 Mask Description Para n° High pressure pre-alarm Offset -03.5 bar Diff. 05.0 bar Mask for setting t

C0240111-06-07-GB 37 Mask Description Para n° Master calibration offset Value B9: 0.0°C 00.0°C B10: - - Modifies the

C0240111-06-07-GB 38 Mask Description Para n° Slave calibr. exp2 offset Value B5: 0.0°C 22.3°C B6: 0.0°C 24.2°C Modifies t

C0240111-06-07-GB 39 Mask Description Para n° Temp. In. Out. Cond. 24.3 22.4°C Cond.1 22.3°C Cond.2 22.4°C (if 2 c

C0240111-06-07-GB 4 1.1 Menu structure The tree structures for moving around the various menus are shown below. TermoregolatoreSelezioneMenù uten

C0240111-06-07-GB 40 Mask Description Para n° Analogue outputs: Cond. 3 adj.:000 % Cond. 4 adj.:000 % Displays ana

C0240111-06-07-GB 41 Mask Description Para n° Unit type: chiller Operating mode: chiller Mask for

C0240111-06-07-GB 42 Mask Description Para n° Masters on-line Exp.1: Y Exp.2: N Exp.3: Y Exp.4: N Exp.5: N Mask for

C0240111-06-07-GB 43 Mask Description Para n° An. In. master exp4 N° Value 3 A 4 A Displays

C0240111-06-07-GB 44 Mask Description Para n° An. In. slave exp1 N° Value 1 35.6 °C 2 40.5 °C Displays

C0240111-06-07-GB 45 Mask Description Para n° An. In. slave exp5 N° Value 3 00.0 °C 4 00.0 °C Displays

C0240111-06-07-GB 46 Mask Description Para n° Time band 7A Off Time 19:30 / 19:30 Sp S 08.0°C W 40.0°C Sp R 40.0°C Setting ban

C0240111-06-07-GB 47 Mask Description Para n° Time band 9B Off Time 19:30 / 19:30 Sp S 09.0°C W 40.0°C Sp R 40.0°C Setting b

C0240111-06-07-GB 48 Mask Description Para n° Time band 2D Off Time 00:00 / 06:30 Sp S 09.0°C W 40.0°C Sp R 40.0°C Setting b

C0240111-06-07-GB 49 4 TABLE OF MASKS W3000 base Mask Description Para n° level1 | level2 | level3 OFFOFFOFFOFF Main display mask. In

C0240111-06-07-GB 5 The menus are briefly described below: • The “Unit Menu” displays information such as temperature, pressure and circuit stat

C0240111-06-07-GB 50 Mask Description Para n° > > 0 > > 0 > > 0 > > 0 expressed in degrees centi

C0240111-06-07-GB 51 Mask Description Para n° > > > > > CCCC > CCCC > CCCC > CCCC C=closed,A=ope

C0240111-06-07-GB 52 Mask Description Para n° > > 0 > > 0 > > 0 > > 0 high pressure value

C0240111-06-07-GB 53 5 PARAMETERS TABLE Para n° Description of parameter Default U.M. Min. Max. 01.01 Type of unit (0:chiller - 1:heat pump

C0240111-06-07-GB 54 Para n° Description of parameter Default U.M. Min. Max. 09.05 Maximum number of compressor start-ups (with Quick Mind or m

C0240111-06-07-GB 55 Para n° Description of parameter Default U.M. Min. Max. 13.12 Valve configuration in status 11 - heatpump pd - 0 - 0

C0240111-06-07-GB 56 Para n° Description of parameter Default U.M. Min. Max. 21.19 Forced defrosting with low pressure (0:disabled - 1:enabled

C0240111-06-07-GB 57 Para n° Description of parameter Default U.M. Min. Max. 31.09 Slave Probe 9 calibration 0.0 °C/bar -9.9 9.9 31.10 Sl

C0240111-06-07-GB 58 Para n° Description of parameter Default U.M. Min. Max. 39.02 Adjustment control type (0:inlet - 1:outlet) 1 - 39.41

C0240111-06-07-GB 59 Para n° Description of parameter Default U.M. Min. Max. 55.20 Enable setpoint variation from external signal (0:No - 1:Ye

C0240111-06-07-GB 6 1.2 Switching the unit on and off Caution: connect the unit to the power supply at least 8 hours before starting it; if thi

C0240111-06-07-GB 60 5.1 Table of parameter limits (depending on unit configuration) Para n° Description of parameter 99.01 Maximum settable li

C0240111-06-07-GB 61 Para n° Description of parameter 99.23 Maximum number of available ventilation steps (depends on the type of board

C0240111-06-07-GB 62 6 DIAGRAMS This section explains how some operating algorithms work. Most of the configuration parameters are c

C0240111-06-07-GB 63 Enter the service menu (only partly present in W3000 base) by pressing [Menu] / selecting the service menu by pressing [UP] /

C0240111-06-07-GB 64 6.1 Freecooling The “freecooling” function is applied to the efficient production of cold water by using external air. Th

C0240111-06-07-GB 65 n. stepSetpoin tDinam icoBanda dina m ica di freecoolingT. inRegolazione velocità a stepSetpointChiller%richiesta Figure 6.2

C0240111-06-07-GB 66 6.2 Condensation Condensation adjustment depends on how the fans are turned on. Various condensation adjustment types in the

C0240111-06-07-GB 67 7 HARDWARE “B” “M” “L” “XL”

C0240111-06-07-GB 68 EXPANSION “E” W3000

C0240111-06-07-GB 69 8 INPUT/OUTPUT CONFIGURATION TABLE 8.1 HARDWARE “L” 8.1.1 Units with hermetic compressors WATER-AIR UNIT with “L” axial fans

C0240111-06-07-GB 7 In the W3000 base the following procedure is used: press [MENU] / select the “User” menu using the [UP] or [DOWN] keys /

C0240111-06-07-GB 70 “L” WATER-WATER UNIT “L” Digital inputs ID1 Circuit 1 low pressure switch ID2 Compressor 1 thermal protection ID3 Compressor

C0240111-06-07-GB 71 “L” CONDENSING UNIT “L” EVAPORATING UNIT Digital inputs ID1 Circuit 1 low pressure switch ID2 Compressor 1 thermal protectio

C0240111-06-07-GB 72 8.1.2 Units with centrifuge compressors WATER-WATER UNIT with “L” axial fans “L” WATER-WATER UNIT “L” Digital inputs ID1

C0240111-06-07-GB 73 8.2 HARDWARE “XL” WATER-WATER UNIT with “XL” axial fans WATER-WATER UNIT with “XL” centrifuge fans Digital inputs ID1 Circui

C0240111-06-07-GB 74 “XL” WATER-WATER UNIT “XL” CONDENSING UNIT Digital inputs ID1 Circuit 1 low pressure switch ID2 Compressor 1 thermal protecti

C0240111-06-07-GB 75 “XL” EVAPORATING UNIT Digital inputs ID1 Circuit 1 low pressure switch ID2 Compressor 1 thermal protection ID3 Compressor 2 t

C0240111-06-07-GB 76 8.3 HARDWARE “B” Water/air chiller with “B” axial fans Water/air chiller with “B” centrifuge fans Digital inputs ID1 Circui

C0240111-06-07-GB 77 WATER-WATER UNIT “B” Digital inputs ID1 Circuit 1 high pressure switch ID2 Circuit 2 high pressure switch ID3 Remote on/o

C0240111-06-07-GB 78 8.4 EXPANSIONS 8.4.1 Units with hermetic compressors “E” expansion for chiller with recovery. Expansion "E&quo

C0240111-06-07-GB 79 “E” Expansion Heat pumps for low external air temperatures Expansion “E” - address 1 Digital inputs Digital inputs

C0240111-06-07-GB 8 1.3 Setting the operating mode Caution: Do not switch from chiller to heat pump unless the inlet temperature is above 15°C. D

C0240111-06-07-GB 80 “M” expansion for hermetic compressors. Air-cooled polyvalent units and heat pumps with total recovery. Expansion "M

C0240111-06-07-GB 81 “M” expansion for hermetic compressors. Water-cooled polyvalent units and heat pumps with total recovery. Expansion "

C0240111-06-07-GB 82 “E” expansion for hermetic compressors. Chiller with freecooling. Expansion "E" - address 3 Digital inputs

C0240111-06-07-GB 83 8.4.2 Units with alternative and screw compressors “E” expansions for chillers with heat pumps or two pumps. Expansion

C0240111-06-07-GB 84 “E” expansions for chillers with external signal setpoint variation or dual setpoint. Expansion "E" - address

C0240111-06-07-GB 85 “E” expansions for chillers with recovery. Expansion "E" - address 1 Digital inputs Digital inputs ID1

C0240111-06-07-GB 86 “M” expansion for alternative and screw compressors. Air-cooled polyvalent units and heat pumps with total recovery. Expa

C0240111-06-07-GB 87 “M” expansion for alternative and screw compressors. Water-cooled polyvalent units and heat pumps with total recovery. Ex

C0240111-06-07-GB 88 “E” expansion for alternative and screw compressors. Chiller with freecooling. Expansion "E" - address 3 D

C0240111-06-07-GB 89 “E” expansions for semi-hermetic compressors. Condensing unit or for alternative compressors. Unit with four compressors on two

C0240111-06-07-GB 9 Using the recovery from digital input command: Only for “chiller plus recovery” units and only if the digital input is present

C0240111-06-07-GB 90 8.4.3 Units with centrifuge compressors Expansion “E” Chiller with bypass valves. Expansion "E" - address 1

C0240111-06-07-GB 91 9 CONNECTING SEVERAL BOARDS Caution: , perform the following operations before touching the boards in order to p

C0240111-06-07-GB 92 EXPANSIONS FOR HERMETIC COMPRESSORS Additional function Function, chiller type Expansion address Expansion type Recovery ena

C0240111-06-07-GB 93 9.2 “MASTER-SLAVE” connection Intelligence is distributed instead in the “master-slave” connections. Suppose we have

C0240111-06-07-GB 94 9.3 “Mixed” connection The “mixed” connection is used in units with 3/4 cooling circuits where an increase in inputs/outputs

C0240111-06-07-GB 95 Master Expansion M Expansion E Slave Expansion M Figure 9.3b: “mixed” connection

C0240111-06-07-GB 96 10 Terminal configuration The first thing to do when connecting the boards of several units in a network in order to have a re

C0240111-06-07-GB 97 10.2 Setting the board address The board address is set by the software using the keypad. Proceed as follows: 1 Make sur

C0240111-06-07-GB 98 10.3 Plan network configuration 10.3.1 Plan network connection (local) For each unit with an on-board keyboard, pe

C0240111-06-07-GB 99 10.3.2 Configuring the plan network (global) It is easy to install a PLAN network (global). Just a few but essential operatio