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Monobloc Outdoor Unit Installation Manual

7.8.9 External electrical connections – external control

JBus / ModBus Controller

As standard the Toshiba Monobloc outdoor units are supplied with a JBus / ModBus controller. The controller

provides a secondary port to be connected to a system network thanks to an RS485 bus. The controller has the

ability to communicate without an amplifier. The length of the bus does not exceed 500m.

Description

Line Spec.

Maximum

Length (m)

Connection Destination

RS-485

connection

2 wire

shielded

500m

NHC PCB

J10

Pin 1

+RS485

Pin 2

GND

Pin 3

-RS485

Connect the RS-485 network cable to J10 on the Monobloc outdoor unit NHC PCB, using the connector supplied

with the unit.

The following parameters have to be set to configure the JBus / ModBus communication:

1. P761: JBus control enable

2. P762: JBus follower address

3. P646: JBus baud rate

4. P764: JBus frame type

5. P766: JBus communication timeout

Please see section 8.3 for details of the JBus register addresses.

BACnet / LON Gateways:

It is possible to connect the Toshiba Monobloc outdoor unit to either a BACnet or LON system network. These

connections are possible by using a factory fitted gateway, as an optional accessory, and as such have to be

ordered when the order for the Monobloc outdoor unit is placed.

RS-485 Network

RS-485 Network

Содержание Estia RUA-CP1701H

Страница 1: ...AIR TO WATER HEAT PUMP Installation Manual Monobloc Outdoor Unit Model name RUA CP1701H RUA CP2101H See next page for model naming convention Installation Manual English ...

Страница 2: ...se 380 415V No open Network CCN Bacnet gateway CCN Lontalk gateway Factory option Coil Protection Area Europe No Coil Protection Coil Protection Area Power Supply Type of System Series Number Capacity E Europe 3 phase 380 415V Heat pump Cooling only 1 1 Series Based on heating capacity kW 8 H Blank 0 9 170 210 17 0kW 21 0kW Factory option Coil Protection Factory option Open network Factory option ...

Страница 3: ...yer Table of contents 1 0 General Information 4 2 0 Accessory Parts 4 3 0 Preparation for Installation 5 4 0 Safety Precautions 6 5 0 Example of Monobloc Outdoor Unit Installation 9 6 0 Main Components of the ESTIA Monobloc Outdoor Unit 10 7 0 ESTIA Monobloc Outdoor Unit Installation 12 8 0 System configuration 37 9 0 Standard installations 49 10 0 Control overview 63 11 0 Start Up 76 12 0 Mainten...

Страница 4: ...579 x 1141 x 584 Weight kg Values are guidelines only Refer to the unit nameplate Dry Weight Hot Water Cylinder option Parameter HWS 1501CSHM3 E HWS 1501CSHM3 UK HWS 2101CSHM3 E HWS 2101CSHM3 UK HWS 3001CSHM3 E HWS 3001CSHM3 UK Water volume l 150 210 300 Power supply 230VAC 50Hz E 240VAC 50Hz UK Maximum water temperature C 75 Electric heater kW 2 75 E 3 00 UK Height mm 1 090 1 474 2 040 Diameter Ø...

Страница 5: ... without hydronic module option Options required for each function Function Accessory Option Field Supply Cooling Fan coil s Under floor cooling Under floor safety thermostat Heating Radiators Fan coil s Under floor heating Under floor safety thermostat Heating cooling all rooms Fan coil s Under floor cooling heating Heating cooling part heating only Motorised 2 way valve Relay Earth leakage break...

Страница 6: ...l start up of the Monobloc outdoor unit the people involved should be thoroughly familiar with these instructions and technical data for the installation Ensure that all Local National and International regulations are satisfied during the installation Turn off the main power supply switch or breaker before unit maintenance The procedures in this manual are arranged in the sequence required for ma...

Страница 7: ...erations must be carried out by qualified specialists Perform installation work properly in accordance with the installation manual Inappropriate installation may result in water leaks electric shock or fire Electrical work must be performed by a qualified electrician in accordance with the installation manual An inappropriate power supply capacity or installation may result in fire When completin...

Страница 8: ...k at higher levels Maintenance safety logbook Manufacturer recommends the following drafting for a logbook the table below should not be considered as reference and does not involve Manufacturer responsibility Safety accessory Damage limitation accessory in case of an external fire Refrigerant side High pressure switch External relief valve Rupture disk Fuse plug X X X X Heat transfer fluid side E...

Страница 9: ...dard installation with domestic hot water DHW production 5 2 Standard installation with header follower 3 x follower units configuration NHC NHC NHC NHC OAT Header 01 Follower 01 Follower 02 Follower 03 CHWST DHW S DHW V Add EXP T QAT Radiators heating only Fan Coil Heating or cooling floor NHC Unit 01 ...

Страница 10: ... 7 16 UNF 10 8 7 6 5 4 3 2 9 13 12 14 to P013 TR P005 ts P009 sst P008 td P010 te P011 15 16 Discharge Suction 21 kW H C H C E D C S H R410A H2O 17 ACC Acc OAT P001 H C pmv_pos P024 freq_cur P023 tl P012 19 upr_fan P027 lwr_fan P028 OPT ØA 1 ØC 1 1 4 ØD 1 ØB 1 FS OPT LWT P004 EWT P003 B C D G F A H PMP P084 FLOW_SW P105 V f EH EH 18 EXCH_HTR P029 EXCH_HTR P029 OPT OPT ...

Страница 11: ... solenoid valve CP Warm up at start 3 Reverse 4 way valve energized when in Heating mode 4 Water exchanger BPHE 5 Receiver 6 Expansion valve pulse modulating valve 2x EXV for size 21 7 Sight Glass 8 Filter Dryer 9 Air cooled Exchanger 10 Accumulator or anti slugging bottle 11 High Pressure Switch 4 150 kPa 41 5 bar g 12 Pressure safety release valve suction on BPHE 13 Low Pressure transducer mount...

Страница 12: ...ation in which organic solvent is used A location where high frequency equipment including inverter equipment private power generator medical equipment and communication equipment is used Installations in these locations may cause malfunction or the air to water heat pump abnormal control or problems due to noise from such equipment A location in which the discharged air of the Monobloc outdoor un...

Страница 13: ...nit operation Safety is only guaranteed if these instructions are carefully followed If this is not the case there is a risk of material deterioration and injuries to personnel If the Monobloc outdoor units are hoisted with rigging it is advisable to protect coils against crushing while a unit is being moved Use struts or a lifting beam to spread the slings above the unit Do not tilt a unit more t...

Страница 14: ...round This is necessary to avoid ice build up on the unit chassis and also to permit correct unit operation in locations where the snow level may reach this height The unit is installed level on an even surface maximum tolerance is 5 mm in both axes There is adequate space above the unit for air flow and to ensure access to the components see dimensional drawings The number of support points is ad...

Страница 15: ...r pipes When steel pipes are used insulate both ends of the pipes The water to be used must meet the water quality standard specified in EN directive 98 83 EC 7 2 1 Dimensional Drawing 7 2 2 Water Connection For size and position of the unit water inlet and outlet connections refer to the certified dimensional drawings supplied with the unit The water pipes must not transmit any radial or axial fo...

Страница 16: ...Alkalimetric Titre TAC below 100mg l is desirable Dissolved oxygen Any sudden change in water oxygenation conditions must be voided It is as detrimental to deoxygenate the water by mixing it with inert gas as it is to over oxygenate it by mixing it with pure oxygen The disturbance of the oxygenation conditions encourages destabilisation of copper hydroxides and enlargement of particles Electric co...

Страница 17: ...changer It must be located in a position that is easily accessible for removal and cleaning The mesh size of the filter must be 1 2 mm Please ensure that all water pipework associated with the heating circuit is flushed cleaned before starting the ESTIA Monobloc system The plate heat exchanger can foul up quickly at the initial unit start up as it complements the filter function and the unit opera...

Страница 18: ...n on unit Connection RUA CP1701H RUA CP2101H Water connections without hydronic module Inlet diameter BSP Gas 1 1 Outlet diameter BSP Gas 1 1 Water connections with hydronic module Inlet diameter BSP Gas 1 1 Outlet diameter BSP Gas 1 1 OUT IN Water outlet Water inlet ...

Страница 19: ...Installation Manual 7 2 5 Unit without hydronic kit option Typical diagram of the hydronic circuit without the hydronic module 7 2 6 Unit with hydronic kit option Typical diagram of the hydronic circuit with the hydronic module ...

Страница 20: ...ensor 14 Air purge valve 15 Flexible water connections 16 Isolating ball valve 17 Water flow control valve supplied with optional hydronics module 18 Bypass valve for anti freeze protection when in winter the isolating ball valves are closed 19 Mesh filter 1 2mm mesh mandatory for a unit without the optional hydronics kit fitted 20 Pressure gauge 21 Water drain valve from the plant 22 Water drain ...

Страница 21: ...draulic module equipped with variable speed single pump low available pressure CAUTION The use of the hydronic module on open loop is prohibited Legend 1 Mesh filter 1 2mm mesh Water drain valve Paddle flow switch Expansion tank 8 litre 1 0 bar g Safety valve 3 0 bar g 8 Pump Both Fixed speed and variable speed Hydronics modules come with an expansion tank Fixed speed pump Variable speed pump OUTL...

Страница 22: ... below 7 5 Maximum water loop volume Units supplied with the optional hydronic module incorporate an 8L expansion tank that limits the water loop volume The table below gives the maximum loop volume for pure water or ethylene glycol with various concentrations If the total system volume is higher than the values given above the installer must add another expansion tank suitable for the additional ...

Страница 23: ...f the system stopping due to the internal low water flow control The maximum flow rate is limited by the permitted water heat exchanger pressure drop Also a minimum water heat exchanger ΔT of 2 8 K must be guaranteed which corresponds to a water flow rate of 5 4 l m per kW Details for the plate heat exchanger water flow rate are shown below Monobloc outdoor units without hydronic module Minimum Wa...

Страница 24: ...static pressure for 17kW unit with variable speed hydronic module Legend RUA CP1701H RUA CP2101H Data for fresh water at 20 C Legend RUA CP1701H RUA CP2101H Data for fresh water at 20 C Maximum flow rate reduced if glycol is used in the heating system Legend Pump speed 100 Pump speed 75 Pump speed 50 Pump speed 38 Pump speed 25 Data for fresh water at 20 C Maximum flow rate reduced if glycol is us...

Страница 25: ...for 21kW unit with variable speed hydronic module Available static pressure for 21kW kPa Water flow rate l s Legend Pump speed 100 Pump speed 75 Pump speed 50 Pump speed 38 Pump speed 25 Data for fresh water at 20 C Maximum flow rate reduced if glycol is used in the heating system ...

Страница 26: ...er circuit The electrical supply must be protected by a suitably sized over current protection device fuse MCB etc and an earth leakage protection device The Monobloc outdoor Unit must be connected to the mains power supply using a isolating switch which disconnects all poles and has a contact separation of at least 3 mm The cord clamps attached to the Monobloc outdoor unit must be used to secure ...

Страница 27: ...H07RNF cable to connect the power supply to the Monobloc outdoor unit Maximum permissible cable 5G6mm2 The maximum cable length will be determined by the installation method free air conduit etc and the volt drop for the circuit maximum permissible volt drop 5 Water or Air temperature control Ext Circulator on off Normal Alarm Normal Defrost Boiler or Electric Heater up to 3 stages Domestic Hot Wa...

Страница 28: ...plate and electrical data tables and standard installation practises in accordance with IEC 60364 table 52C have been applied No 17 suspended aerial lines No 61 buried conduit with a derating coefficient of 20 The calculation is based on PVC or XLPE insulated cables with copper core A maximum ambient temperature of 46 C has been taken into consideration The given wire length limits the voltage dro...

Страница 29: ... combined specification for both a main water pump and additional water pump is higher than 5A then field supplied contactors or relays must be used The TRIAC output must only be used for control switching of field supplied contactors or relays 7 8 6 External input line specifications Description Designation Input Connection Destination TB X2 ON OFF DI 01 Dry Contact 5V 4 13 Mode Cool Heat DI 02 D...

Страница 30: ...ns power for guidance Connect the electrical power cable to Terminal TB X1 as shown below 7 8 8 Electrical connection for the remote controller The remote controller must be installed indoors by the installer Connect the remote controller to TB X2 on the Monobloc outdoor unit in accordance with diagram shown above Care should be taken when connecting the remote controller as the device is polarity...

Страница 31: ... 2 GND GND Pin 3 B RS485 Connect the RS 485 network cable to J10 on the Monobloc outdoor unit NHC PCB using the connector supplied with the unit The following parameters have to be set to configure the JBus ModBus communication 1 P761 JBus control enable 2 P762 JBus follower address 3 P646 JBus baud rate 4 P764 JBus frame type 5 P766 JBus communication timeout Please see section 8 3 for details of...

Страница 32: ...imitation Contact Night Mode Used to reduce the compressor maximum frequency to avoid noise Off Peak Contact This switch is to close when the rate electricity price is high Electric Heat Stages are not allowed Loadshed Request Switch This contact is requested by electricity company i e in Germany to control the green electricity wind solar production and consumption more efficiently When the switc...

Страница 33: ...r ON OFF DO 08 User defined function DO 09 User defined function 3 way valve diverter connection The 3 way diverter valve is used to select either domestic hot water or space heating operation Recommended valve specification Kvs 16 Max Temperature 150 C L Port style 2 Types of 3 way valve diverter can be used 2 Wire Spring Return 3 Wire SPST 2 Wire Spring Return In resistence DHW Tank Temperature ...

Страница 34: ... in the hydraulic circuit to ensure heating in case of low OAT or heat pump failure The installer is responsible for ensuring that the installation complies with the applicable legislation in terms of electrical and thermal safety One stage electrical heater Two stage electrical heater Triac Out 230 VAC Neutral Neutral T Tmax QS Triac Out 230 VAC Neutral Neutral T Tmax T Tmax QS QS Triac out 230 V...

Страница 35: ...ustomized discrete outputs EH1 and EH2 and EH3 This configuration cannot be activated if DHW heater is present The boiler ON OFF and the stage 1 electric heater use the same output It is not possible to operate the boiler ON OFF and the stage 1 electric heater at the same time Each discrete output can control a contactor not supplied with the unit 7 8 13 External electrical connections digital out...

Страница 36: ...T logic The header follower operation is incompatible with Domestic Hot Water production Only the header unit can be fitted with remote controller and BACnet or LON gateway options An additional common leaving water temperature sensor must be installed on site on the common piping NHC NHC NHC NHC Header 01 Follower 01 Follower 02 Follower 03 OAT CHWST If the unit is unfavourably located leading to...

Страница 37: ...wing sections 8 1 Parameter setting procedure The parameters used to optimize the performance of the system are accessed using the remote controller There are two steps required to set up the system parameters 8 1 1 Initial step of configuration Setting the time and day Before using any parameter menu on the WUI it is necessary to set the time and day of the control The following sections explain ...

Страница 38: ...key to confirm your selection and go to the next parameter Time format setting Once the day of the week has been confirmed set the time format Press the Down key or the Up key to change the time format Press the Schedule key to confirm the time display Time setting Once the time format has been confirmed set the time Press the Down key or the Up key to set the time 12 hour format 24 hour format ...

Страница 39: ...s of installation But to configure the unit it is necessary to access the parameter menu If there is no user interface on the unit it is necessary to use Customer communication bus Proprietary Protocol or Jbus to configure the unit Otherwise in the case with user interface follow the next procedure To access the parameter menu If the user interface is in standby mode press one key to activate the ...

Страница 40: ...y until reach the required parameter To change a setting Press and hold the Schedule key for 2 seconds To change the value of one digit press the Up or Down key To validate each digit press the Schedule key Repeat these steps for each digit of the setting When all the digits are selected and correct press the Mode key to freeze the value Next navigate through the parameter menu and configure all t...

Страница 41: ... the password to access User parameters when P522 1 528 0 9999 0 Water Setpoint Codes 9 Water setpoint Heat home setpoint These setpoints are used when the Heating Auto Curve is selected P581 1 C 401 20 60 45 10 Heat sleep offset Temperature offset applied to the heat home setpoint P401 for night time operation C 402 10 0 0 0 11 Heat Away Offset Temperature offset applied to the heat home setpoint...

Страница 42: ...f no user interface or local user interface and P565 2 then the water pump will cycle depending on the value of P564 in order to obtain a correct refreshed water control measurement minute Must be used with P565 2 to enable this control 564 5 240 15 30 Main pump logic This parameter is used to define the state of the pump in Standby mode 1 Always On 2 Water Sampling RC local On Off according to P5...

Страница 43: ...eating Stages with 2 outputs EH1 EH2 DHW Backup EH3 9 Backup by Oil or Gas Boiler One Customer Discrete Output shall be configured as EH2 P506 10 or P507 10 Both Customer Discrete Outputs shall be configured as EH2 and EH3 P506 10 P507 11 One Customer Discrete Output shall be configured as EH3 P506 11 or P507 11 601 0 9 0 54 Booster Warm Up Time min 602 5 120 30 55 Booster Delta Temp C 603 1 20 5 ...

Страница 44: ...d every Monday 714 0000 0000 to 1111 1111 0000 0000 73 Anti Legionella Start Time hh mm 715 00 00 23 59 02 00 74 Summer Mode OAT Threshold C 716 15 30 20 75 Summer Mode On Delay The summer mode is set when the Summer Mode switch is closed Summer Mode is set to On if OAT is above Summer Mode OAT Threshold P716 for at least the period of a given delay P717 h 717 0 12 5 76 Summer Mode Off Delay Summe...

Страница 45: ...onal Gain 755 10 000 to 0 001 6 000 91 H F Cool Integral Time sec 756 10 120 30 92 H F Cool Sampling Time sec 757 10 120 30 93 Header Follower Pump Type This parameter is used to define pump control for units operating in the header follower assembly 0 No pump control 1 Common Water Pump a pump is installed outside the unit on the water loop and it is controlled by the Header 2 Individual Water Pu...

Страница 46: ... RO 043 002BH nightmod Night Mode 0 1 No Yes RO RO 044 002CH MOD_REQ System Mode Request 0 to 9 RW d RW F 045 002DH MOD_STAT System Mode Status 0 to 109 RO d RO 047 002FH mod_ovr System Mode Override 0 to xxx RO RO 048 0030H setpoint Current Setpoint 0 0 to 60 0 1 10 C RW d RO 049 0031H RESET User Adjust Temperature 5 0 to 5 0 1 10 K RO RO F 051 0033H CTRL_PNT Control Point 0 0 to 60 0 1 10 C RO d...

Страница 47: ...Alarm Status 0 1 Normal Alarm RO d RO 342 0156H ALERT Alarm Status 0 1 No Yes RO RO 343 0157H SHUTDOWN Shutdown Status 0 1 No Yes RO RO 344 0158H inv_err Inverter Error Code 0 to 255 RO RO 350 015EH alm_01 Current Alarm 1 0 to 100 RO RO 351 015FH alm_02 Current Alarm 2 0 to 100 RO RO 352 0160H alm_03 Current Alarm 3 0 to 100 RO RO 353 0161H alm_04 Current Alarm 4 0 to 100 RO RO 354 0162H alm_05 Cu...

Страница 48: ...f Cool Away Offset Air 0 0 to 10 0 1 10 K RW RW 427 01ABH freezstp Home AntiFreeze Setpoint 6 0 to 12 0 1 10 C RW RW 646 0286H jbus_bdr Secondary Baud Rate 0 to 2 9600 19200 38400 RW RW 761 02F9H jbus_ena JBus Control Enable 0 to 3 RW RW 762 02FAH jbus_add JBus Follower Address 1 to 255 RW RW 764 02FCH jbus_frm JBus Frame Type 0 to 5 RW RW 766 02FEH jbus_tmt JBus Comm Timeout 0 to 600 s RW RW Lege...

Страница 49: ...Electrical connections Unit 01 NHC EH1 EH2 Radiators heating only OR Fan Coil OR Heating Cooling floor WUI 116 WUI 116 QAT EH Boiler Add EXP T Dry contact 5V In resistance Ω Triac Out 230 VAC Relay Out 230 VAC 5 A Neutral Neutral Neutral Neutral kW max T Tmax T Tmax OAT Acc Water Loop EH Booster Power Limit night mode Loadshed Request Off Peak QS QS ...

Страница 50: ...l of an external main pump using the unit control logic 0 no internal pump connected 1 internal pump connected Must be used with P804 P561 is only enabled when P804 0 561 0 1 1 1 2b Scenario 2 If internal pump fixed speed pump is fitted in the unit If the internal pump is fixed speed no configuration set up is required factory set 2c Scenario 3 If internal pump variable speed pump is fitted in the...

Страница 51: ...Unit 01 NHC EH3 Radiators heating only Fan Coil Heating or cooling floor WUI 116 DHW S OAT Add EXP T DHW V Dry contact 5V In resistance Ω Triac Out 230 VAC Relay Out 230 VAC 5 A Neutral Neutral Neutral Neutral kW max T Tmax OAT Power Limit night mode Loadshed Request Off Peak DHW Priority pulse DHW S Sensor DHW S DHW V DHW EH Backup Acc ...

Страница 52: ... Sets the pump speed identified during the Quick Test detailed above 710 19 100 100 As determined above P331 3 DHW Set Point DHS set point normal operation Sets the DHW set point for normal DHW production C 406 30 60 50 55 DHW set point anti bacteria Sets the DHW set point for the anti legionella cycle C 405 50 60 60 60 4 DHW Cylinder Heater Set Up Customisation of digital output DO 9 Allows the e...

Страница 53: ...stem when in DHW mode min 705 1 720 60 60 706 0 720 20 20 DHW maximum runtime Sets the maximum runtime of the system when in DHW mode min NOTE If P707 1 the maximum runtime for DHW or DHW is ignored If the DHW maximum runtime P707 is set it is necessary to also set the maximum SHC runtime P705 If P705 is not set the system will never change back to DHW mode 707 1 720 60 60 9 The summer mode is set...

Страница 54: ...al connections Unit 01 NHC EH3 Radiators heating only Fan Coil Heating or cooling floor WUI 116 DHW S OAT Add EXP T DHW V De B add_pump Neutral Neutral Neutral Neutral kW max T Tmax OAT Power Limit night mode Loadshed Request Off Peak DHW Priority pulse DHW S Sensor DHW S DHW V DHW EH Backup Acc DI Boiler Additional Water Pump QS QS ...

Страница 55: ...tional pump logic This Parameter defines the function of an additional pump in standby mode if no user interface or local user interface is connected 0 No additional pump 1 Always ON except in OFF mode 3 Always ON except in OFF mode or when DHW mode is active 2 4 not used in this configuration 573 0 4 0 See pump configuration section 10 8 Additional pump logic This Parameter defines the function o...

Страница 56: ...witch Customized Customized Customized Customized Ground Chiller water System Temperature Indoor Air Temperature Room Sensor Outdoor Air Temp Ground Sensor Ω Customized Customized Neutral WUI Polarity 12V 0V Unit Header 01 01 Unit Follower 01 02 CCN WUI CCN B Ground CCN CCN WUI CCN B WUI 12V WUI 0V CCN WUI CCN B Ground CCN CCN WUI CCN B CCN WUI CCN B Ground CCN CCN WUI CCN B CCN WUI CCN B Ground C...

Страница 57: ...r on RC screen but it is not a problem to continue the configuration 3 Configure Header board Connect the RS485 bus Green connector J6 on Header besides Follower 1 2 743 Follower 1 address It is necessary to set the Follower address different as Header address 0 239 0 2 744 Follower 2 address It is necessary to set the Follower address different as Header address 0 239 0 3 742 Header Follower sele...

Страница 58: ...r Interface 1 Remote control by contacts or SUI 2 RC remotely installed in the house Air setpoint 3 RC remotely installed in the house Water setpoint 0 3 0 1 7 Main Variable speed pump configuration for Header Follower installation If the units are fitted with internal main variable speed pump then several parameters are to set for each unit of Header Follower installation To configure main pump o...

Страница 59: ...h a common user interface to pass on Follower 2 status 758 Header Follower pump type 0 No pump control 1 Common Water Pump a pump is installed outside of the unit on the water loop and is controlled by the Header unit 2 Individual Water Pump running according to H F Overall Status P229 3 Individual Water Pump stopped if unit is satisfied 0 3 2 2 Determine the minimum pump speed and adjust the pump...

Страница 60: ...ating mode when Occupancy mode Sleep C 422 10 0 2 0 1 Heat Away Offset Air offset for heating mode when Occupancy mode Away C 423 10 0 4 0 3 Cool Home Setpoint Air setpoint for cooling mode when Occupancy mode Home C 424 20 38 26 24 Cool Sleep Offset Air offset for cooling mode when Occupancy mode Sleep C 425 0 10 2 2 Cool Away Offset Air offset for cooling mode when Occupancy mode Away C 426 0 10...

Страница 61: ... 20 20 Heat Minimum Water Setpoint In heating mode Customer minimum Water Temperature 584 20 40 20 20 Heat Maximum Water Setpoint In heating mode Customer maximum Water Temperature 585 30 60 38 38 Heat Curve Max Setpoint Offset Heat Maximum Water Setpoint can be offset by this parameter to adjust the setpoint to the customer needs C 412 5 5 0 5 Cool Climatic Curve Select 1 No Curve Fixed Water Set...

Страница 62: ...st or backup the heat pump for comfort EH3 DHW Electrical Heater Backup 1 stage Domestic Hot Water Electrical Heater one stage used to backup DHW when conditions are out of heat pump map DHW T Domestic Hot Water Tank Field supplied DHW S Domestic Hot Water Sensor Accessory to mount on top of the DHW Tank Measure DHW Temperature DHW V Domestic Hot Water Diverting Valve Accessory to mount on top of ...

Страница 63: ...choose one of three available operating modes i e cooling heating or domestic hot water production only Other modes such as booster cooling or booster heating purge and drying can be selected only with service access level The unit may run in the following modes Off Unit is requested to stop Cool Unit is requested to run in Cooling mode Heat Unit is requested to run in Heating mode DHW Only Unit i...

Страница 64: ...steps are the same for all of these three communication methods except when the configuration is described with RC direct access i RC control When the RC has been connected to the unit the mode selection can be done by direct access on RC When the unit is Off press the Mode key to wake up the user interface and then press the Mode key successively to select the required operating mode ii Jbus ModB...

Страница 65: ...e To define the other occupancy modes it is necessary to configure Cool Sleep Offset P408 and Cool Away Offset P409 HEATING If the heating climatic curve P581 is configured to a parameter from 1 to 12 the water setpoint will be calculated according to the selected heating climatic curve Twelve predefined heating climatic curves are available Climatic Curve Min OAT Max OAT Min Water Temp Max Water ...

Страница 66: ...rect access to the RC refer to owner s manual By accessing the parameter menu via RC or JBus ModBus COOLING RC Occupancy Water setpoint on RC direct access Range Water setpoint on parameter menu Range Cool Home Setpoint 5 to 18 C Cool Home Setpoint P407 5 to 18 C Cool Sleep Setpoint 5 to 18 C Cool Home Setpoint P407 Cool Sleep Offset P408 0 to 10 C Cool Away Setpoint 5 to 18 C Cool Home Setpoint P...

Страница 67: ... C 5 C 18 C P590 Custom Maximum Water Temp 18 C 5 C 18 C If OAT is invalid the Water Setpoint is equal to the Custom Minimum Water Temp P589 If OAT is above the current Maximum OAT threshold the Water Setpoint is equal to the Custom Maximum Water Temp P590 If Minimum OAT is greater or equal to Maximum OAT threshold the Water Setpoint is equal to the Custom Maximum Water Temp P590 HEATING If the he...

Страница 68: ...Offset on climatic curves predefined and customer Two other parameters are also configurable to adjust water setpoint to suit customer needs For cooling curve Cool Minimum Water Setpoint P589 can be offsetted by an offset on foot of the curve Cool Curve Min Stp Offset P413 For heating curve Heat Maximum Water Setpoint P585 can be offsetted by an offset on head of the curve Heat Curv Max Stp Offset...

Страница 69: ... the remote user interface is connected It is used to maintain the minimum room temperature which is by default set to 6 C When the room temperature goes below the Home Anti freeze setpoint P427 the unit will run in Heating mode until the room temperature is increased P427 2 C Never switch off the unit otherwise home anti freeze protection cannot be guaranteed For this reason the main unit and or ...

Страница 70: ...ene glycol or propylene glycol with an adequate concentration to protect the installation up to a temperature of 10 K below the lowest temperature likely to occur at the installation site If the unit is not used for an extended period it should be drained and ethylene glycol or propylene glycol should be charged in the heat exchanger as a safety precaution using the water inlet purge valve connect...

Страница 71: ... The Monobloc outdoor unit can drive a diverting valve to manage a domestic hot water storage tank application In case of a domestic hot water request the operating logic controls a diverting valve which directs the hot water to the storage tank Characteristics The 3 way diverter valve is used to select either domestic hot water or space heating operation Recommended valve specification Kvs 16 Max...

Страница 72: ...The water inside the domestic water tank must be constantly controlled in order to minimize the risk of any contamination including legionella bacteria Bearing this in mind it is important to inform the user about the significance of water temperature control Water tank protection system The system is scheduled to heat up water in the domestic hot water tank in order to eliminate the possibility o...

Страница 73: ...by unit control The management of different states of main pump ON OFF is different according to the kind of installation options accessories applications In the compatibility table below the different control logics for main pump are presented in function of installation Different control logic for main pump Main Pump Logic P565 No RC Wired RC OFF Mode Cooling Heating Mode Boiler Satisfied Demand...

Страница 74: ...ee electric heat stages with two customized discrete outputs EH1 and EH2 Three electric heat stages with three customized discrete outputs EH1 and EH2 and EH3 This configuration cannot be activated if DHW heater is present Each discrete output can control a contactor not supplied with unit Characteristics Contactor Coil 230 VAC 50Hz Electrical connection Refer to Installation with booster electric...

Страница 75: ...e frost that is covering the outside coil whereas the home anti freeze protection is used to maintain the minimum room temperature 10 13 Night mode capacity control The night period is defined by the start hour and the end hour which can be set by the user The night mode allows users to configure the unit to operate with specific parameters within a given period of time e g night period Particular...

Страница 76: ...flow rate and how to purge the air from your system are shown below 11 1 Nominal system water flow control The water circulation pumps of the RUA CP 1H units have been sized to allow the hydronic modules to cover all possible configurations based on the specific installation conditions i e for various temperature differences between the entering and the leaving water ΔT at full load which can vary...

Страница 77: ... flow rate for hydraulic circuit N Without Hydronic Module With fixed speed hydronic module With Variable Speed Hydronic Module Adjustable constant speed With variable speed hydronic module T Water flow control procedure 1 When the circuit is cleaned and purged activate the pump in quick test mode and read the pressures at the pressure gauges enteing water pressure leaving water pressure No need t...

Страница 78: ... rate reduced if glycol is used in the heating system Water flow rate l s Available static pressure kPa Legend 1 Pump speed 100 2 Pump speed 75 3 Pump speed 50 4 Pump speed 38 5 Pump speed 25 Data for fresh water at 20 C Maximum flow rate reduced if glycol is used in the heating system Water flow rate l s Available static pressure for 17kW kPa Water flow rate l s Available static pressure for 21kW...

Страница 79: ... 566 Var Speed Pump Logic 0 Adjustable Constant Speed use P568 parameter to set the water pump constant speed 1 not used for this configuration 0 1 1 0 568 Maximum Pump Speed If variable speed pump configuration is set to adjustable speed then the maximum pump speed parameter corresponds to the design water flow 50 100 100 Enter pump speed determined at the last step P331 Variable speed pump contr...

Страница 80: ...ected at the terminal block see section 7 8 8 NOTE It is not possible to have both local user interface and remote user interface on the same unit 3 Connections to the customer communication bus Connection to Jbus ModBus is made using a connector provided directly on the NHC electrical board see the wiring diagram provided with the unit Check before start the unit Never be tempted to start the chi...

Страница 81: ...e that no error codes are generated during the start up test Date Hour Air Outdoor Air Temp C P001 Water Entering Water Temp C P003 Leaving Water Temp C P004 Water Control Temp C P052 Suction Saturated Suction Temp C P008 Suction Temperature C P009 Superheat Temperature C P015 Superheat Target Temp C P016 Discharge Discharge Temperature C P010 Refrigerant Temperature C P005 Compressor Requested Co...

Страница 82: ...ny operation on a refrigerant circuit it is necessary to remove the complete refrigerant charge from the unit with a refrigerant charge recovery group Simple preventive maintenance will allow you to get the best performance from your HVAC unit improved cooling and heating performance reduced power consumption prevention of accidental component failure prevention of major time consuming and costly ...

Страница 83: ...al piping insulation Check the concentration of the anti freeze protection solution ethylene glycol or propylene glycol Regularly check for possible presence of impurities e g silicon grains in the heat exchange fluids These impurities maybe the cause of the wear or corrosion by puncture Periodically check the sacrificial anode condition if fitted and change if necessary Refrigerant circuit Fully ...

Страница 84: ...orques for the main electrical connections Component Designation in the unit Value N m Disconnecting switch L1 L2 L3 N PE 2 Terminal Bloc X1 L1 L2 L3 N PE 1 5 to 1 8 Terminal Bloc X3 0 6 to 0 8 Contactor Power and control 1 5 Thermal relay 2 5 Transformer 1 7 Connections on compressor Screw on phases Only for 21kW 2 5 Compressor variable speed drive 6 M10 nuts L1 L2 L3 N 1 2 2 M10 or M8 nuts PE 1 ...

Страница 85: ... will prevent 2 3 of the corrosion problems Water heat exchanger maintenance Check that the insulating foam is intact and securely in place the BPHE and piping electric heaters are operating secure and correctly positioned the water side connections are clean and show no sign of leakage Unit maintenance CAUTION Before any work on the unit ensure that the circuit is isolated and there is no voltage...

Страница 86: ...27 1641 12 434 8 924 28 1687 11 453 9 956 29 1734 10 473 10 987 30 1781 9 493 11 1020 31 1830 8 514 12 1053 32 1880 7 535 13 1087 33 1930 6 557 14 1121 34 1981 5 579 15 1156 35 2034 4 602 16 1192 36 2087 3 626 17 1229 37 2142 2 650 18 1267 38 2197 1 674 19 1305 39 2253 40 2311 51 3017 62 3874 41 2369 52 3088 63 3961 42 2429 53 3161 64 4049 43 2490 54 3234 65 4138 44 2551 55 3310 66 4229 45 2614 56...

Страница 87: ... Temp P001 2 Entering Water Temp P003 3 Leaving Water Temp P004 4 Water Control Temp P052 5 Saturated Suction Temp P008 6 Suction Temperature P009 7 Superheat Temperature P015 8 Superheat Target Temp P016 9 Discharge Temperature P010 10 Refrigerant Temperature P005 11 Requested Compressor Frequency P022 12 Actual Compressor Frequency P023 13 Water Control Point P051 14 Flow Switch Status P105 15 S...

Страница 88: ...fficient capacity of expansion tank Check expansion tank capacity compared to total water amount If it is insufficient install another expansion tank Expansion tank failure Check the air pressure in expansion tank Replace expansion tank Alarm Listing Check Code Diagnostic functional operation Determination and action Alarm P344 Current Alarm P346 to P349 Past Alarm P350 to P354 Operational Cause U...

Страница 89: ...ssure 1 Check suction pressure sensor LP 20 Loss of communication with RC Continue X Alarm reset when a new message is received from the RC 1 Check RC connections RC Monobloc outdoor unit 21 Loss of communication with inverter Compressor stop X Alarm reset when a new message is received from the inverter 1 Check connections between inverter PCB NHC board 221 22 Loss of communication between invert...

Страница 90: ...ed in either of the following condition 1 Compressor over current 2 Compressor IPM short circuit 3 Compressor motor control failure Check 1 Check power supply voltage 2 Overload operation of refrigerating cycle 130 65 Compressor lock Compressor stop O Alarm reset by resetting the power supply to the Monobloc outdoor unit Error becomes definite after retrying operation for 8 times Error detected in...

Страница 91: ...nobloc outdoor unit Error becomes definite after retrying operation for 8 times 1 Check power supply voltage 231 76 Inverter heatsink temperature too high Compressor stop O Alarm reset by resetting the power supply to the Monobloc outdoor unit Error becomes definite after retrying operation for 4 times 1 Check heat sink airflow path 80 Real time clock failure on NHC board Continue X 81 EEPROM corr...

Страница 92: ...ing Water temperature C 20 57 CP2101H 60 CP1701H For operation at outdoor ambient temperature below 0 C cooling mode and heating mode the water freeze protection should be available and according to the water installation the water loop can be protected against frost by the installer using an anti freeze solution or trace heater If air to water heat pump is used outside of the above conditions saf...

Страница 93: ......

Страница 94: ...TOSHIBA CARRIER EUROPE S A S Route de Thil 01120 Montluel France 1402410101 ...

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