Table of Contents
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U
ser and maintenance manUal
0795EN January 2020
E
lEctronic rEgulation satEllitEs
gE556Y401, gE556Y402
gE556-2
sEriEs
Index
1. General information ....................................................................................................................................................... 1
1.1 Warnings ........................................................................................................................................................ 1
1.2 Versions and product codes . .......................................................................................................................... 1
1.3 Completion codes ......................................................................................................................................... 1
1.4 Main characteristics ......................................................................................................................................... 2
1.5 Technical data ................................................................................................................................................ 2
1.6 Dimensions .................................................................................................................................................... 3
2. Operation ....................................................................................................................................................................... 3
2.1 GE556Y401 operational data ......................................................................................................................... 5
2.2 GE556Y401 energy-saving features ............................................................................................................... 6
2.3 GE556Y402 operational data ......................................................................................................................... 7
2.4 GE556Y402 energy-saving features ................................................................................................................ 8
3. Components .................................................................................................................................................................. 9
4. Installation ...................................................................................................................................................................... 10
4.1 Unpacking ..................................................................................................................................................... 10
4.2 Installation set up ........................................................................................................................................... 10
4.3 Hydraulic system precautions .......................................................................................................................... 10
4.4 Electric system precautions ............................................................................................................................. 10
4.5 Template and satellite installation .................................................................................................................... 10
4.6 Start-up .......................................................................................................................................................... 12
4.7 Optional: additional unit for sanitary cold water .............................................................................................. 13
4.8 Flow and thermal energy meter installation .................................................................................................... 13
4.9 Positioning of external temperature probe ................................................................................................... 14
GE556Y401 - GE556Y402
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Summary of Contents for Giacomini GE556-2 Series
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Page 1: Table Of Contents
ser and maintenance manUal 0795EN January 2020 lEctronic rEgulation satEllitEs gE556Y401, gE556Y402 gE556-2 sEriEs GE556Y401 - GE556Y402 Index 1. General information ............................... 1 1.1 Warnings ................................ 1 1.2 Versions and product codes ........................... 1 1.3 Completion codes ............................1 1.4 Main characteristics ............................ - Page 2 ser and maintenance manUal 0795EN January 2020 lEctronic rEgulation satEllitEs gE556Y401, gE556Y402 gE556-2 sEriEs 5. Satellite standard presetting ............................15 5.1 Parameters programming: variation from low to high temperature ..............15 6. Remote control/chronothermostat with display K480Y002 .................... 16 6.1 Technical characteristics ..........................16 6.2 Buttons and display ............................
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Page 3: General Information
ser and maintenance manUal 0795EN January 2020 lEctronic rEgulation satEllitEs gE556Y401, gE556Y402 gE556-2 sEriEs 1. General information GE556Y401 and GE556Y402 satellites enable metering thermal energy consumptions when heating and the production of Sanitary Hot Water (SHW) in modern autonomous systems with heat centralized production (eg. teleheating). Control of the satellite parameters is fully electronic. -
Page 4: Completion Codes
ser and maintenance manUal 0795EN January 2020 lEctronic rEgulation satEllitEs gE556Y401, gE556Y402 gE556-2 sEriEs 1.3 Completion codes The components listed below may be installed on every satellite: • Thermal energy metering unit series GE552 • Sanitary hot water metering unit series GE552-2 •... -
Page 5: Dimensions
ser and maintenance manUal 0795EN January 2020 lEctronic rEgulation satEllitEs gE556Y401, gE556Y402 gE556-2 sEriEs 1.6 Dimensions Template Satellite Legend 60 45 X: Cablecover A: Sanitary cold water outlet (optional) B: Sanitary cold water inlet C: Sanitary hot water outlet D: Primary inlet E: Primary outlet F: Heating return G: Heating delivery... - Page 6 ser and maintenance manUal 0795EN January 2020 lEctronic rEgulation satEllitEs gE556Y401, gE556Y402 gE556-2 sEriEs Primary circuit Inlet (D) and return (E). The primary circuit includes an inspectionable filter, a motorized 3-way priority valve, a manual air vent valve, a heat exchanger, a pressure gauge, a minimum pressure switch and a motorized 2-way modulating valve.
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Page 7: Ge556Y401 Operational Data
ser and maintenance manUal 0795EN January 2020 lEctronic rEgulation satEllitEs gE556Y401, gE556Y402 gE556-2 sEriEs 2.1 GE556Y401 operational data Primary circuit Kv = 2,08 Kv = 1,9 1,00 1,00 0,10 0,10 0,01 0,01 10,0 10,0 Q [m Q [m Primary circuit for SHW production, modulating valve fully open (see fig.1) Heating primary circuit, lockshield valve and modulanting valve both open (see fig.2) Heating Flow [l/h]... -
Page 8: Ge556Y401 Energy-Saving Features
ser and maintenance manUal 0795EN January 2020 lEctronic rEgulation satEllitEs gE556Y401, gE556Y402 gE556-2 sEriEs 2.2 GE556Y40 energy saving features Low return temperatures of primary circuit when used for sanitary water 22-24 l/min 20 l/min 17 l/min 15 l/min 12 l/min Primary delivery temp. -
Page 9: Ge556Y402 Operational Data
ser and maintenance manUal 0795EN January 2020 lEctronic rEgulation satEllitEs gE556Y401, gE556Y402 gE556-2 sEriEs 2.3 GE556Y402 operational data Primary circuit Kv = 2,13 Kv = 1,9 1,00 1,00 0,10 0,10 0,01 0,01 10,0 10,0 Q [m Q [m Heating primary circuit, lockshield valve and modulating valve fully open (see fig.2) Primary circuit for SHW production, modulating valve fully open (see fig.1) Heating Flow [l/h]... -
Page 10: Ge556Y402 Energy-Saving Features
ser and maintenance manUal 0795EN January 2020 lEctronic rEgulation satEllitEs gE556Y401, gE556Y402 gE556-2 sEriEs 2.4 GE556Y402 energy-saving features Low return temperatures of primary circuit when heating Primary delivery temp. [°C] Flows requested to the primary circuit reduced when heating - High temperature: 1300 1200 1100... -
Page 11: Components
ser and maintenance manUal 0795EN January 2020 lEctronic rEgulation satEllitEs gE556Y401, gE556Y402 gE556-2 sEriEs 3. Components Legend Housing for energy metering unit temperature probe Filter Motorized 3-way priority valve for SHW function Pressure gauge PRIMARY CIRCUIT Heat exchanger, sanitary hot water function Manual air vent valve Min. -
Page 12: Installation
ser and maintenance manUal 0795EN January 2020 lEctronic rEgulation satEllitEs gE556Y401, gE556Y402 gE556-2 sEriEs 4. Installation 4.1 Unpacking • Remove the shipping packing, make sure the product is not damaged and that delivery has been carried out according to the agreed terms and conditions. - Page 13 ser and maintenance manUal 0795EN January 2020 lEctronic rEgulation satEllitEs gE556Y401, gE556Y402 gE556-2 sEriEs Fit the GE556Y401/402 satellite in the corresponding threaded pegs of the template and lock it using the included washers and nuts. Before connecting the satellite to the template remove the lock nuts from the threaded connections and then insert the washers between the satellite connections and the template valve caps.
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Page 14: Start-Up
ser and maintenance manUal 0795EN January 2020 lEctronic rEgulation satEllitEs gE556Y401, gE556Y402 gE556-2 sEriEs 4.6 Start-up Manual air vent valve Manually open the two-way and three-way valves, forcing Remove the R473 actuator the white indicator of the from the valve body. actuator downwards. -
Page 15: Optional: Additional Unit For Sanitary Cold Water
ser and maintenance manUal 0795EN January 2020 lEctronic rEgulation satEllitEs gE556Y401, gE556Y402 gE556-2 sEriEs 4.7 Optional: additional unit for sanitary cold water Install the GE500Y254 additional ball valve in the corresponding hole of the template and lock it with the washer using a wrench. MAX. -
Page 16: Positioning Of External Temperature Probe
ser and maintenance manUal 0795EN January 2020 lEctronic rEgulation satEllitEs gE556Y401, gE556Y402 gE556-2 sEriEs 4.9 Positioning of external temperature probe The external temperature probe includes a PCB inside a plastic body; both the temperature-sensitive element and the connection terminal board are welded to the PCB. Technical data Housing material: ABS Working temperature: -40÷60 °C... -
Page 17: Ge556Y401, Ge556Y402 Ge556-2
ser and maintenance manUal 0795EN January 2020 lEctronic rEgulation satEllitEs gE556Y401, gE556Y402 gE556-2 sEriEs 5. Satellite standard presetting The satellite is provided with the following configuration: • Sanitary hot water set point: 50 °C • Heating set point: 45 °C (low temperature range 25÷45 °C) •... -
Page 18: Remote Control/Chronothermostat With Display K480Y002
ser and maintenance manUal 0795EN January 2020 lEctronic rEgulation satEllitEs gE556Y401, gE556Y402 gE556-2 sEriEs 6. Remote control/chronothermostat with display, K480Y002 Warning. Before connection, make sure the satellite is set up for the K480Y002 remote control by referring to the corresponding instructions. -
Page 19: Lcd Display Symbols
ser and maintenance manUal 0795EN January 2020 lEctronic rEgulation satEllitEs gE556Y401, gE556Y402 gE556-2 sEriEs 6.3 LCD display symbols Icon Fixed Blinking Current temperature Anomaly code Time/temperature Current day of the week Day of the week modification Sanitary water enabled Sanitary water request in progress Heating enabled Heating request in progress Manual operation mode... -
Page 20: General Warnings
ser and maintenance manUal 0795EN January 2020 lEctronic rEgulation satEllitEs gE556Y401, gE556Y402 gE556-2 sEriEs 6.4 General warnings • Read the warnings included in these instructions thoroughly as they provide important information on use, installation and service safety. • The system installation must comply to the safety rules in force. •... -
Page 21: Remote Control Installation
ser and maintenance manUal 0795EN January 2020 lEctronic rEgulation satEllitEs gE556Y401, gE556Y402 gE556-2 sEriEs 6.7 Remote control installation 1. Disconnect the satellite from the power line. 2. With a screwdriver, slide out the remote control from the back fitting template slightly pushing on the lower tabs. -
Page 22: Configuring The Operational Parameters
ser and maintenance manUal 0795EN January 2020 lEctronic rEgulation satEllitEs gE556Y401, gE556Y402 gE556-2 sEriEs 6.8 Configuring the operational parameters Warning. This operation must be performed only by technical assistance operators. Erroneous configuration of the K480Y002 remote control may cause malfunctions. This operation is required to configure the remote control for use with the satellite and the corresponding system to which it is connected. -
Page 23: Disabling The Climatic Regulator
ser and maintenance manUal 0795EN January 2020 lEctronic rEgulation satEllitEs gE556Y401, gE556Y402 gE556-2 sEriEs • P04 - Remote room modulation type 0 = on-off User sets the heating set point 1 = modulating on User sets the max. limit for heating set point ambient probe Remote control calculates the heating set point using the room temperature User sets the max. - Page 24 ser and maintenance manUal 0795EN January 2020 lEctronic rEgulation satEllitEs gE556Y401, gE556Y402 gE556-2 sEriEs 1. OFF: all satellite operational requests are disabled. 2. SUMMER: the satellite activates only the production of sanitary hot water. 3. WINTER: the satellite activates both the production of sanitary hot water and the heating mode. 4.
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Page 25: Setting Time And Temperature
ser and maintenance manUal 0795EN January 2020 lEctronic rEgulation satEllitEs gE556Y401, gE556Y402 gE556-2 sEriEs 6.11 Setting the time and temperatures Time and temperature set points of the remote control and satellite can be set by pressing repeatedly the button based on the menu below: IDENTIFICATION IDENTIFICATION... -
Page 26: Setting The Room Temperature Daytime Zone
ser and maintenance manUal 0795EN January 2020 lEctronic rEgulation satEllitEs gE556Y401, gE556Y402 gE556-2 sEriEs 6.11.2 Setting the room temperature DAYTIME 1. Press the button until the icon starts blinking. 2. Turn the knob to set the desired value. 6.11.3 Setting the room temperature NIGHT TIME 1. -
Page 27: Setting The Temperature Sanitary Water
ser and maintenance manUal 0795EN January 2020 lEctronic rEgulation satEllitEs gE556Y401, gE556Y402 gE556-2 sEriEs 6.11.5 Setting the temperature SANITARY WATER 1. Press the button until the icon starts blinking. 2. Turn the knob to set the desired value. 6.11.6 Setting the external probe KD value This setting is available only if the external probe is connected, the remote control is set as modulating and the external probe is enabled for modulation (P04 = 2 or 3). -
Page 28: Setting The Time And Temperatures
ser and maintenance manUal 0795EN January 2020 lEctronic rEgulation satEllitEs gE556Y401, gE556Y402 gE556-2 sEriEs 6.12 Setting the time and temperatures When selecting the WINTER or HEATING ONLY operational mode, the K480Y002 remote control offers two ways to control the room temperature: MANUAL and AUTOMATIC. •... -
Page 29: Heating Weekly Program
ser and maintenance manUal 0795EN January 2020 lEctronic rEgulation satEllitEs gE556Y401, gE556Y402 gE556-2 sEriEs 6.13 Heating weekly program The remote control enables the AUTOMATIC mode by selecting the WINTER or HEATING ONLY mode where a preset program controls the room temperature throughout the day. The room temperature can be controlled on two independent levels: DAYTIME and NIGHT TIME which distribution... -
Page 30: Provisional Modification Of Room Temperature Set Point
ser and maintenance manUal 0795EN January 2020 lEctronic rEgulation satEllitEs gE556Y401, gE556Y402 gE556-2 sEriEs 6.14 Provisional modification of room temperature set point When the AUTOMATIC mode is selected, the preset DAYTIME ( ) / NIGHT TIME ( ) room temperature set point can be temporarily increased or decreased. -
Page 31: Displaying The Sanitary Water Probe Temperature
ser and maintenance manUal 0795EN January 2020 lEctronic rEgulation satEllitEs gE556Y401, gE556Y402 gE556-2 sEriEs 6.15.Displaying the sanitary probe temperature This is the temperature read by the sanitary probe on the satellite. 6.15.3 Displaying the delivery probe temperature This is the temperature read by the delivery probe on the satellite. 6.15.4 Displaying the external probe temperature This is the temperature read by the external probe connected to the satellite. -
Page 32: Restoring Default Values
ser and maintenance manUal 0795EN January 2020 lEctronic rEgulation satEllitEs gE556Y401, gE556Y402 gE556-2 sEriEs 6.16 Restoring default values If required, the user can restore the original factory values of the remote control settings. The restored values are: • DAYTIME temperature: 20 °C •... -
Page 33: Anomaly Alerts
ser and maintenance manUal 0795EN January 2020 lEctronic rEgulation satEllitEs gE556Y401, gE556Y402 gE556-2 sEriEs 6.19 Anomaly alerts Anomalies are displayed on the remote control in place of the temperature with the blinking Exx code. Refer to the table below to identify the type of anomaly. Anomalies include two types: restartable and non-restartable by the user. -
Page 34: Non-Restartable Anomalies
ser and maintenance manUal 0795EN January 2020 lEctronic rEgulation satEllitEs gE556Y401, gE556Y402 gE556-2 sEriEs Error E76: R473 safety valve error (paragraph 3 “Components” - component 12) Cause: malfunctioning of R473 safety valve: thermo-electric actuator locked or damaged. Action: - make sure the red tab at the base of thermo-electric actuator is pressed, if not, push it inside. - make sure the actuator runs all the way through: after 3 minutes from activation of the heating system, the white peg indicator must extend from the top of the thermo-electric actuator. -
Page 35: Electric Installations
ser and maintenance manUal 0795EN January 2020 lEctronic rEgulation satEllitEs gE556Y401, gE556Y402 gE556-2 sEriEs 8. Electric installations Warning. Before any connection, make sure the electric power is disconnected. All electric connections must be carried out by qualified personnel according to the local or national regulations and provisions in force. -
Page 36: Troubleshooting
ser and maintenance manUal 0795EN January 2020 lEctronic rEgulation satEllitEs gE556Y401, gE556Y402 gE556-2 sEriEs 9. Troubleshooting 9.1 Sanitary hot water temperature too low • Cause: wrong temperature set-point value for sanitary hot water. Action: make sure the set-point on the remote control (paragraph 3 “Components” - component 16) corresponds to the one required, if not reset with the desired value. -
Page 37: Heating Circuit Water Temperature Too Low
ser and maintenance manUal 0795EN January 2020 lEctronic rEgulation satEllitEs gE556Y401, gE556Y402 gE556-2 sEriEs 9.3 Heating circuit water temperature too low • Cause: wrong heating temperature set-value. Action: make sure the set-point set on the remote control (paragraph 3 “Components” - component 16) corresponds to the required one, if not reset the desired value. -
Page 38: Heating Circuit Down
ser and maintenance manUal 0795EN January 2020 lEctronic rEgulation satEllitEs gE556Y401, gE556Y402 gE556-2 sEriEs 9.5 Heating circuit down • Cause: 2-way modulating mixing valve not working (paragraph 3 “Components” - component 8). Action: make sure the Molex electric connector of the actuator is properly connected, if not reconnect it. Visually check that the actuator position indicator moves every time there is a sanitary hot water request, if not try removing and reinstalling the actuator according to the diagram of paragraph 4.6. -
Page 39: Inspections And Service
ser and maintenance manUal 0795EN January 2020 lEctronic rEgulation satEllitEs gE556Y401, gE556Y402 gE556-2 sEriEs 10. Inspections and service Warning. State-of-the-art inspections and service carried out on a regular basis, as well as using only original spare parts are essential to prevent anomalies and guarantee a long life to your satellite. -
Page 40: Spare Parts
ser and maintenance manUal 0795EN January 2020 lEctronic rEgulation satEllitEs gE556Y401, gE556Y402 gE556-2 sEriEs 11. Spare parts 11.1 GE556Y0401 - GE556Y402 satellite spare parts... -
Page 41: Ge551Y074 Template Spare Parts
ser and maintenance manUal 0795EN January 2020 lEctronic rEgulation satEllitEs gE556Y401, gE556Y402 gE556-2 sEriEs 11.2 GE551Y074 template spare parts 12. Compliance statements... - Page 42 Installation, commissioning and periodical maintenance of the product must be carried out by qualified operators in compliance with national regulations and/or local standards. A qualified installer must take all required measures, including use of Individual Protection Devices, for his and others’ safety. An improper installation may damage people, animals or objects towards which Giacomini S.p.A. may not be held liable.
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