Table of Contents
Advertisement
Quick Links
Advertisement
Table of Contents
Subscribe to Our Youtube Channel
Related Manuals for Strebel 30
Summary of Contents for Strebel 30
- Page 1 STREBEL S-ASX Air Source Heat Pump Models 30 – 35 – 40 – 45 – 50 Installation, Operating & Maintenance Manual Please read and understand before commencing installation and leave the manual with the customer for future reference. 2020-04-01 v1...
- Page 2 The manufacturer declines all the responsibility regarding inaccuracies contained in this manual, if due to printing or typing mistakes. The manufacturer reserves the right to apply changes and improvements to the products at any time without notice.
-
Page 3: Table Of Contents
Noise Levels ..................................25 Weights ....................................26 Overall Dimensions ................................27 Minimum Operating Area ..............................28 CONNECTIONS ..................................30 Hydraulic Connections ............................... 30 Electrical Connections ............................... 31 RECEIVING AND POSITIONING............................32 Receiving ................................... 32 Positioning ..................................32 START UP ....................................33 Start Up .................................... -
Page 4: General Features
GENERAL FEATURES General Instructions This manual and the wiring diagram supplied with the unit must be kept in a dry place for possible future consultation. The manual provides information on installation and correct use and maintenance of the unit. Before carrying out installation, please carefully read all the information contained in this manual, which describes the procedures necessary for correct installation and use of the unit. -
Page 5: Unit Description
GENERAL FEATURES Unit Description This series of air to water heat pumps satisfies the heating, The refrigerant circuit, contained in a box repaired from the air cooling and domestic hot water production requirements of flow to simplify the maintenance operations, is equipped with residential plants of small and medium size. -
Page 6: Description Of Components
GENERAL FEATURES Description of Components External structure: Basement, supporting structure and lateral The refrigerant circuit of each unit contains moreover solid panels are made of galvanized and painted sheet-steel to core hermetic filter dryer (5) to restrain impurity and moisture guarantee good resistance to atmospheric agents. -
Page 7: Control System
GENERAL FEATURES Control System The microprocessor controller can manage not only the unit itself but also all that components of the plant which allow to realize a complete system. The main functions of the control system are: - Room temperature control according to the outdoor 18:28 temperature (climatic control). -
Page 8: Options
GENERAL FEATURES Options Allows the circulation of the water on the plant side and guarantees a higher High head pump (Option) Plant side flow rate available static head. management Allows the circulation of the water on the plant side keeping constant the Modulating pump (Standard Supply) temperature difference between inlet and outlet. - Page 9 GENERAL FEATURES Option: Domestic Hot Water Production – 3 Way Valve In this configuration the heat pump can be coupled to a domestic hot water tank equipped with a coil designed for maximum water temperature between 55°C and 60°C. The anti-legionella cycles have to be performed by means of electrical heaters placed on the heat pump outlet (see option “Integrative electrical heaters”) or...
-
Page 10: Accessories
GENERAL FEATURES Accessories Allow to reduce the transmission to the unit support plane of the mechanical vibrations generated by the compressor Rubber vibration dampers and by the fans in their normal operating mode. Adjustable rubber Allow to reduce the transmission to the unit support plane of the mechanical vibrations generated by the compressor and by the fans in their normal operating mode. -
Page 11: Technical Data And Performances
TECHNICAL DATA AND PERFORMANCES Technical Data Frame Model U.M. Power supply V-ph-Hz 400 -3N- 50 400 -3N- 50 400 -3N- 50 400 -3N- 50 400 -3N- 50 Refrigerant Type R410A Compressor Type Scroll with vapor injection (EVI) Quantity n° Power steps 0 - 100 Oil charge Plant side heat exchanger... -
Page 12: Nominal Performances - Very High Temperature Plants
400 -3N- 50 400 -3N- 50 400 -3N- 50 400 -3N- 50 400 -3N- 50 Heating A7W65 (Source: Air in 7°C d.b. 6°C w.b. / Plant: Water in 55°C out 65°C) Heating capacity 30.7 36.1 40.5 46.3 53.0 Power input 12.3 14.5... -
Page 13: Nominal Performances - High Temperature Plants
400 -3N- 50 400 -3N- 50 400 -3N- 50 400 -3N- 50 V-ph-Hz Heating A7W55 (Source: Air in 7°C d.b. 6°C w.b. / Plant: Water in 47°C out 55°C) Heating capacity 30.0 35.3 39.7 45.4 51.7 Power input 9.89 11.6 13.1... -
Page 14: Nominal Performances - Standard Plants
4345 5109 5735 6552 7473 Pressure drops plant side Heating A-4W45 (Source: Air in -4°C d.b. -5°C w.b. / Plant: Water in 40°C out 45°C) Heating capacity 22.9 27.0 30.3 34.6 39.6 Power input 8.08 9.53 10.7 12.2 14.0 2.83 2.83... -
Page 15: Nominal Performances - Radiant Plants
Power supply 400 -3N- 50 400 -3N- 50 400 -3N- 50 400 -3N- 50 400 -3N- 50 V-ph-Hz Heating A7W35 (Source: Air in 7°C d.b. 6°C w.b. / Plant: Water in 30°C out 35°C) Heating capacity 29.2 34.4 38.6 44.1 50.4 Power input 6.32... -
Page 16: Heating Performances
The reference nominal condition is: A7W35 Source: air in 7°C d.b. 6°C w.b. Plant: water in 30°C out 35°C Outlet temperature plant side: A = 65°C B = 55°C C = 45°C D = 35°C... -
Page 17: Cooling Performances
TECHNICAL DATA AND PERFORMANCES COOLING Performances Cooling capacity The graphs allow to get the corrective factors to be applied to the nominal performances in order to obtain the real performances in the selected operating conditions. The reference nominal condition is: A35W7 Source: Air in 35°C d.b. -
Page 18: Plant Side Hydraulic Performances
TECHNICAL DATA AND PERFORMANCES Plant Side Hydraulic Performances Pressure drops - unit without options Pressure drops to be added - unit with Integrative electrical heaters option. The graphs are referred to units operating with water at the temperature of 10°C (density 1000 kg/m... - Page 19 TECHNICAL DATA AND PERFORMANCES Available static head - Unit with option “Plant side flow rate management”: High Head Pump Option The graphs are referred to units operating with water at the temperature of 10°C (density 1000 kg/m...
- Page 20 TECHNICAL DATA AND PERFORMANCES Available static head - Unit with option “Plant side flow rate management”: Modulating Pump (Standard supply). The graphs are referred to units operating with water at the temperature of 10°C (density 1000 kg/m...
-
Page 21: Source Side Aeraulic Performances
TECHNICAL DATA AND PERFORMANCES Source Side Aeraulic Performances Available static head - unit without accessory “Protection cap” or “Lateral expulsion cap” Frame Model U.M. Maximum static head U.M. available for ducted installation In case of ducted installation, the total pressure drops in the inlet and outlet ducts cannot exceed the maximum available static head. The minimum duct section must guarantee that the medium air velocity does not exceed 2,5 m/s in order to avoid noise problems and to keep the pressure drops as lower as possible. -
Page 22: Operating Limits
TECHNICAL DATA AND PERFORMANCES Operating Limits The graphs reported below show the operating area inside which the correct working of the unit is guaranteed. HEATING T = 10 °C Inlet air temperature d.b. [°C] The graphs are referred to units operating with water at the temperature of 10°C (density 1000 kg/m... - Page 23 TECHNICAL DATA AND PERFORMANCES COOLING Inlet air temperature d.b. [°C] Temperature difference between unit inlet and outlet Plant side T max Maximum value °C T min Minimum value °C...
-
Page 24: Electrical Data
TECHNICAL DATA AND PERFORMANCES Electrical Data Frame Model U.M. Unit Power supply 400-3N-50 400-3N-50 400-3N-50 400-3N-50 400-3N-50 V-ph-Hz F.L.A. Maximum total current input 22.0 24.5 27.0 34.7 39.2 F.L.I. Maximum total power input 13.9 15.5 17.1 21.6 24.5 Maximum total start current M.I.C. -
Page 25: Noise Levels
TECHNICAL DATA AND PERFORMANCES Noise Levels Unit without accessory “Protection cap” or “Lateral expulsion cap” Sound pressure level Sound power levels [dB] Sound power by octave bands [Hz] level Model at 1 metre at 5 metres at 10 metres 1000 2000 4000 8000 [dB] [dB(A)] [dB(A)]... -
Page 26: Weights
TECHNICAL DATA AND PERFORMANCES Weights Frame Model U.M. Components weights Unit without options Plant side flow High head pump management High efficiency pump Domestic hot water production: 3 way valve Integrative electrical heaters Protection cap Lateral expulsion cap Frontal shutting panel Transport weights Unit without options Plant side flow... -
Page 27: Overall Dimensions
TECHNICAL DATA AND PERFORMANCES Overall Dimensions Unit with accessory “Protection cap” on the air suction side and on the air expulsion side Unit with accessories “Lateral expulsion cap” and “Frontal shutting panel” on the air expulsion side Frame 1 Frame 2 Frame 1 Frame 2 System return... -
Page 28: Minimum Operating Area
TECHNICAL DATA AND PERFORMANCES Minimum Operating Area 600 mm Respect the free area around the unit as shown in figure in order to guarantee a correct operation, accessibility, facilitate maintenance and control operations. 600 mm 700 mm Configuration 1 Standard Supply) Configuration 2 Configuration 2 (left side) - Page 29 TECHNICAL DATA AND PERFORMANCES Configuration 3 Configuration 3 (left side) (right side) Configuration 4 Configuration 4 (left side) (right side) Accessories used to realize the configurations shown above Air suction side Air expulsion side Type of Configuration “Lateral “Frontal installation “Protection cap”...
-
Page 30: Connections
CONNECTIONS Hydraulic Connections To design properly the hydraulic system, respect the local Expansion vessel setting safety regulations in force. The pre-charge pressure of the expansion vessel must be adequate to the total volume of the hydraulic circuit at which the It is always necessary to guarantee an appropriate water flow through the plate heat exchanger of the unit even if is installed, unit is connected. -
Page 31: Electrical Connections
CONNECTIONS Electrical Connections The electrical wirings must be carried out by qualified personnel Integrative electrical heaters power supply according to the regulations in force at the installation time in the The power supply cables must have an adequate section for the country of installation. -
Page 32: Receiving And Positioning
RECEIVING AND POSITIONING Receiving Check on receiving The unit is supplied on a pallet suitable for the transport. It is As soon as the unit is received verify accurately the advisable to place protective material between the truck and the correspondence of the load to what was ordered to make sure unit to avoid damages to the unit. -
Page 33: Start Up
START UP Start up The following operations must be carried out only by properly trained personnel. To make the contractual warranty effective, start- up must be carried out by authorized service centres. Before calling the service centre it is advisable to make sure that all the installation steps have been completed (positioning, electrical connections, hydraulic connections). -
Page 34: Control System
CONTROL SYSTEM Control System Configuration The control system can be configured in different ways in order to adapt itself to the user needs and to the kind of plant managed Outdoor User air sensor interface by the heat pump. The simpler configuration consists of unit controller (A) and outdoor air temperature sensor (B). -
Page 35: Heating And Cooling Circuits
CONTROL SYSTEM Heating and Cooling Circuits The controller of the heat pump can manage up to two zones: Zone 1: Heating and cooling. Zone 2: Only heating. The management of further zones, possible by means of additional zone controllers, is not treated in this manual. For each zone can be set: Set point. -
Page 36: Control System Devices Installation
CONTROL SYSTEM Control System Devices Installation REMOTE THERMOSTAT AND REMOTE CONTROL (WIRED OR WIRELESS) They should be located in the main room of the zone they manage taking into account the following criteria: The place of installation should be chosen so that the sensor min. - Page 37 CONTROL SYSTEM OUTDOOR AIR SENSOR The device must be installed outside the building. The sensor is connected to the controller of the unit or to the wireless adaptor through a two wire cable (the wires are interchangeable). Ø 14,1 79,8 49,7 24,5 25 49,5...
-
Page 38: Wireless Devices Connection
The distance of the devices from the transmitter should not exceed 30 meters or 2 floors. WIRELESS REMOTE CONTROLLER The connection is established when “DEVICE READY” appears Connection establishment Verify if the wireless transmitter is connected to the heat pump and the led on the wireless transmitter extinguishes. -
Page 39: Control System Use
CONTROL SYSTEM Control System Use The remote control (wired or wireless) allows the complete Also, the remote thermostat contains a temperature sensor to control of the system permitting to visualize and modify all the measure the room temperature but allows the access to a limited operating parameters of the unit and is equipped with a number of functions. - Page 40 CONTROL SYSTEM USER INTERFACE AND REMOTE CONTROL DISPLAY Heating : Comfort set point Heating : Reduced set point Heating : Frost Protection set point Cooling : Comfort set point Wait Xxxxxxxxxxxxxxxxxxxxxxxxxxx Change batteries Xxxxxxxxxxxxxxxxxxxxxxxxxxx Holiday function active Xxxxxxxxxxxxxxxxxxxxxxxxxxx Reference to heating circuit Alarm message REMOTE THERMOSTAT DISPLAY Maintenance messages...
- Page 41 CONTROL SYSTEM DHW button Allows to select the domestic hot water heating mode (indicated by a bar under the corresponding symbol). Domestic hot water heating mode ON Domestic hot water temperature controlled according to the set timetable. Protective functions active. Domestic hot water heating mode OFF Protective functions active.
-
Page 42: Control System Programming
CONTROL SYSTEM Control System Programming The settings that cannot be modified directly through the buttons of the user interface and of the remote controls are accessible through the programming parameters, grouped inside the various programming menus. The menus concerning functions which are not active are automatically hidden. - Page 43 CONTROL SYSTEM Menu Level Parameter Function Preselection Phase 1 on Phase 1 off Phase 2 on Time table 5 Cooling circuit 1 Phase 2 off Phase 3 on Phase 3 off Default values Start Holidays program Heating circuit 1 Operating level Start Holidays program Heating circuit P...
-
Page 44: Remote Thermostat Programming
CONTROL SYSTEM Remote Thermostat Programming The configuration parameters of the remote Parameter Function thermostat must be set on the device itself. Remote thermostat used as A long press (longer than 3 seconds) on the ru = 1 management heating circuit 1 OCCUPANCY button allows... - Page 45 CONTROL SYSTEM Operating mode selection for heating and cooling circuits Heating circuit 1: Through the Heating button on remote control. Heating circuit P: Through the Heating button on remote thermostat. Cooling circuit 1: Through the Cooling button on remote control or through the parameter 901. Set point setting For each heating circuit 3 set points can be set: comfort, reduced and frost protection.
-
Page 46: Inputs And Outputs
CONTROL SYSTEM Inputs and Outputs The following table shows the list of the inputs and outputs available on the controller of the heat pump along with the expected use. Some inputs and outputs can be configured in a different way by the user in order to manage other plant components which are not contained inside the heat pump. -
Page 47: Alarms
CONTROL SYSTEM Alarms Alarms activation and reset no more shown on the display. Some of these alarms become The controller can perform a complete diagnosis of the unit manual reset alarms if the number of events in an hour exceeds a fixed threshold. - Page 48 CONTROL SYSTEM Code Alarm Reset Input Heat pump lock BSB address collision Wireless communication error on BSB bus Expansion module 1 Expansion module 2 Presence of 2 master clock time Clock without backup Communication error Maintenance message Source temperature too low High temperature compressor 1 outlet A / M High temperature compressor 2 outlet...
- Page 49 CONTROL SYSTEM Code Alarm Reset Input Heat pump lock Solar integration valve on plant buffer tank K8 missing Solar integration valve on swimming pool K18 missing Boiler pump Q10 missing Configuration error plant buffer tank Configuration error primary controller / system pump Configuration error pressure less header Sensor B10 missing Special sensor 2...
-
Page 50: Controller Technical Data
Safety class (EN 60730) Degree of protection (EN 60529) IP 20 Operating room temperature (not condensing) 0°C ... 50°C Storing room temperature -20°C ... 30°C Range: 0°C ... 50°C Room temperature sensor Resolution: 0,1°C Tolerance: 1,0°C Wireless remote control Power supply... -
Page 51: Sensors Features
Degree of protection (EN 60529) IP 20 Operating room temperature (not condensing) 0°C ... 50°C Storing room temperature -20°C ... 30°C Outdoor temperature sensor cable length max 5m Sensors Features The temperature sensors used in the hydraulic circuit are type NTC... -
Page 52: Maintenance
MAINTENANCE Maintenance IMPORTANT. MAKE SURE THE UNIT IS NOT ELECTRICALLY POWERED BEFORE CARRYING OUT ANY CLEANING OR MAINTENANCE OPERATION. MAINTENANCE MUST BE CARRIED OUT ONCE A YEAR BY SPECIALIZED AND AUTHORIZED PERSONNEL, IN ORDER TO ENSURE COMPLIANCE WITH THE CURRENT SAFETY REGULATIONS. NB.: Always make sure that the power supply lines (of the unit and of the integrative electrical heaters) are disconnected at the start before carrying out any maintenance operation. -
Page 53: Safety And Pollution
SAFETY AND POLLUTION General Considerations Accessing the unit The access to the unit must be granted exclusively to qualified personnel trained to operate on this type of units and provided with the necessary protection equipment. Moreover, such personnel, to operate, must be authorized by the owner of the unit and recognized by the Manufacturer. - Page 54 SAFETY AND POLLUTION Respiratory tract protection For rescue and for maintenance works in tanks, use self-contained breathing apparatus. The vapours are heavier than air and can cause suffocation, reducing the oxygen available for breathing. Eye protection Total protection glasses. Hand protection Rubber gloves.
Need help?
Do you have a question about the 30 and is the answer not in the manual?
Questions and answers