STIEBEL ELTRON WPF 5 basic Operation And Installation Manual

STIEBEL ELTRON WPF 5 basic Operation And Installation Manual

Ground source heat pump
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Summary of Contents for STIEBEL ELTRON WPF 5 basic

  • Page 1 HTV`.HC C .CZ`<<`.HC &VHeC ZHeV +` TeBT á qT% Ñ | ê› á qT% | ê› á qT% | ê› á qT% | ê› á qT% | ê› á qT% Ñ Z á qT% á qT%...
  • Page 2: Table Of Contents

    Safety information _______________________________________________ 4 Specification ________________________________________________ 46 CE designation ___________________________________________________ 4 14.1 Wiring diagram WPF 5 basic _________________________________ 46 Appliance description _______________________________________4 14.2 Wiring diagram WPF 7 basic | WPF 10 basic | WPF 13 basic | WPF 16 basic ____________________________________________ 48 Special features of the WPF with WPAC 1 ___________________ 4 14.3...
  • Page 3: General Information

    HTV`.HC &CV< .C%HVB`.HC HTV`.HC Other symbols in this documentation Note Notes are bordered by horizontal lines above and below the text. General information is identified by the symbol General information shown on the left. f Read these texts carefully. The chapter entitled “Operation” is intended for appliance users and contractors.
  • Page 4: Safety

    HTV`.HC Z%`t Safety or the DHW circuit. DHW is heated by pumping the heating water, which has been heated by the heat pump, through an indirect coil Intended use in the DHW cylinder, where it transfers its energy to the DHW. The equipment is regulated by an integral, weather-compensated The appliance is designed to: return temperature control (WPMiw heat pump manager).
  • Page 5: Operation

    HTV`.HC HTV`.HC Operation - Fast and precise fault diagnosis with a system analyser incl. temperature scanning of heat pumps and peripherals without additional equipment WPMiw heat pump manager - Factory settings for time switch programs for all heating and DHW circuits 1.., 3$,/ '"( 3&...
  • Page 6: Operation

    HTV`.HC HTV`.HC Operation Display including all display elements The operation is split over three control levels. Control levels 1 and 2 are accessible to users and contractors alike. Control level 3 is reserved for qualified contractors: 1. control level (control flap closed) This enables the adjustment of operating modes, such as standby mode, programmed operation, constant day or setback mode, etc.
  • Page 7: Adjustments At Control Level 1

    HTV`.HC HTV`.HC Adjustments at control level 1 Overview of control level 2 To access control level 2, 4.3.1 Operating modes f open the control flap. The operating modes are changed by turning rotary selector with f Select the required parameter with the rotary selector. the control flap closed.
  • Page 8: Adjustments At Control Level 2

    HTV`.HC HTV`.HC #'6 /1.&1 , Adjustments at control level 2 Here you select the times when the appliance will control DHW To make any adjustments at control level 2, open the control flap. heating using the set day value. At all other times, the appliance 4.5.1 Room temperature HC 1 controls DHW heating using the set night value.
  • Page 9 HTV`.HC HTV`.HC 4.5.2 Room temperature, heating circuit 2 4.5.3 DHW temperature With menu item ROOM TEMP HC2, you can select the set room With parameter 9, you can allocate a set day and night tempera- temperature for day and setback mode for heating circuit 2. You ture to the temperature inside the DHW cylinder.
  • Page 10 HTV`.HC HTV`.HC 4.5.4 Time and date 4.5.5 Holiday and party program You can adjust the time and summertime with the TIME/DATE In HOLIDAY MODE, the heat pump system runs in setback mode menu item. and frost protection for DHW heating is enabled. Holiday mode is displayed when the flap is closed.
  • Page 11 HTV`.HC HTV`.HC 4.5.6 Temperatures MONTH Under menu item TEMPERATURES, you can scan values of the heat pump or heat pump system. TEMPERATURES OUTSIDE HOLIDAY BACK BACK HOLIDAY/PARTY TEMPERATURES Actual or set temperatures will not be displayed if the correspond- ing sensor is not connected. Example: Compressor heat amount in heating mode since 0:00 h today in KWh.
  • Page 12 HTV`.HC HTV`.HC .C%H qTB B¼| ê Ö external Outside temperature ACT ROOM T FE7 Actual room temperature for heating circuit 1 (HC1) or heating circuit 2 (HC2) (will only be displayed if the FE7 remote control is connected) SET ROOM T FE7 Set room temperature for heating circuit 1 or heating circuit 2 (will only be displayed if the FE7 remote control is connected) REL HUMIDITY Relative humidity...
  • Page 13 HTV`.HC HTV`.HC 4.5.7 HEATING CURVES HEATING CURVES The HTG CURVE menu item enables you to adjust one HTG CURVE each for heating circuit 1 and 2. Note: Your contractor will have set up a building and system- specific optimum heating curve for every heating circuit. It relates to the heat pump return temperature for heating circuit 1 and to the mixer flow temperature for heating circuit 2.
  • Page 14 HTV`.HC HTV`.HC Heating curve diagram Adapting a heating curve One heating curve can be adjusted for heating circuit 1 and heating Example: circuit 2 respectively. During spring and autumn, the temperature of a building’s heating At the factory, heating curve 0.6 is set up for heating circuit 1 and system is too low at an outside temperature between 5 °C and 15 heating curve 0.2 for heating circuit 2.
  • Page 15 HTV`.HC HTV`.HC 4.5.8 HEATING PROG HEATING START The HEATING PROG parameter enables you to determine when and how often the appliance heats to the set day values for heating circuit 1 and 2. At all other times, the appliance heats to the set night temperature.
  • Page 16 HTV`.HC HTV`.HC DHW START BACK DHW STOP HEATING PROG 4.5.9 DHW programs DHW START The DHW PROGRAM parameter enables you to select the times when the appliance will control DHW heating using the set day value. At all other times, the appliance controls DHW heating using the set night value.
  • Page 17: Remote Control Fek

    HTV`.HC HTV`.HC Remote control FEK Remote control FE7 Note The FEK is vitally important for area cooling, e.g. un- derfloor heating systems, radiators etc. in the WPF with WPAC 1. Apart from the room temperature, it also deter- mines the dew point temperature to prevent condensa- tion.
  • Page 18: Maintenance And Care

    .CZ`<<`.HC B.C`CC C V Maintenance and care Appliance and system damage Maintenance work, such as checking the electrical safety, must only be carried out by a qualified contractor. A damp cloth is sufficient for cleaning all plastic and sheet steel parts.
  • Page 19: Safety

    .CZ`<<`.HC Z%`t .CZ`<<`.HC Preparations General information Safety Note The heat pump is designed for installation in interiors, except in wet areas. General safety information Never install the heat pump immediately below or adjacent to bed- - Only qualified contractors should carry out installation, com- rooms.
  • Page 20: Electrical Installation

    .CZ`<<`.HC BHeC`.C& Electrical installation 10. Mounting In accordance with VDE 0298-4, use the following cable cross- 10.1 Handling sections subject to their fuse protection: f Transport the appliance in its packaging to protect it against damage. Fuse protec- Cable cross-section tion f Protect the appliance against heavy impact during transport.
  • Page 21: Removing The Casing Panels

    +¼| ê ¼ ù ¼ The same applies to the earth connection which electrically con- WPF 5 basic | WPF 5 S 5.84 l nects the front cover to the casing. WPF 7 basic | WPF 7 S 6.45 l WPF 10 basic | WPF 10 S 7.06 l...
  • Page 22: Heating Water Connection

    .CZ`<<`.HC BHeC`.C& Max. temperature differential of heat source circuit Check the brine concentration: f Determine the density of the ethylene glycol/water mixture, e.g. with a hydrometer. Using the actual density and temperature, you can check the cur- rent concentration in the diagram. Max.
  • Page 23: Filling The Heating System

    .CZ`<<`.HC BHeC`.C& 10.8 Filling the heating system Set the heating circuit pump to Δp-constant. Set Δp-constant to a value at which the temperature reaches or falls below the maxi- Fill the heating system via the drain. mum temperature differential. Max. temperature differential on the heating side without buffer cylinder 1 Drain, heating side 10.8.1 Water quality...
  • Page 24: Flow Rate Of Heat Sink For Wpf 5-10 S

    .CZ`<<`.HC BHeC`.C& 10.11.2 Circulation pump (cylinder primary pump) f Isolate by temporarily removing the fuse from the second in- ternal heat source (DHC electric booster heater). The cylinder primary pump is integrated into the WPF. Consider f Operate the appliance in heating mode. the available external head of 2.8 m when sizing the anti-vibration mounts and the pipework between the heat pump and the buffer f Set the head of the circulation pump to a level that safe-...
  • Page 25 .CZ`<<`.HC BHeC`.C& Please note: Please note: When a single phase brine pump is connected, protect The compressor must only rotate in one direction. Change the heat pump and the DHC only via one common RCD. the direction of rotation by interchanging two phases, if N (X3/4) from the heat pump supply must be connected, the fault NO POWER appears in the WPMiw display when if no electric booster heater is connected.
  • Page 26 .CZ`<<`.HC BHeC`.C& Connections X2: Low voltage 10.13.2 Electrical connection WPF S (three-phase) Connection X3: Heat pump, electric booster heater and brine pump L1 L2 L3 N L1 L2 L3 L1’ L2’ L3’              R RC L L’...
  • Page 27 .CZ`<<`.HC BHeC`.C& Connections X4: Control unit Connections X2: Low voltage R RC L L’ N N PE R RC L L’ N N PE                                        Temperature sensor heat pump flow Temperature sensor heat pump return...
  • Page 28: Fitting The Casing Parts

    .CZ`<<`.HC BHeC`.C& 10.13.3 Electrical connection WPF S (single phase) with WPAB 10.14 Fitting the casing parts f When fitting the casing parts, please proceed as follows: To limit the starting current of the WPF S, the WPAB can be in- f Close the cover of the control panel.
  • Page 29: Installation

    .CZ`<<`.HC BHeC`.C& 10.15 installation PTC sensor resistance values The temperature sensors have a decisive influence on the function The sensors installed in the appliance (return, flow and source of your heating system. Therefore ensure the correct seating and sensors), the outside temperature sensor AFS 2, the contact sen- adequate insulation of sensors.
  • Page 30: Remote Control Fe7

    .CZ`<<`.HC HBB.ZZ.HC.C& 10.16 Remote control FE7 11. Commissioning Connection array FE7 Only heating contractors may carry out the adjustments on the heat pump manager commissioning list, commission the appliance and instruct the owner in its use. Commissioning is to be carried out in accordance with these instal- lation instructions and the operating and installation instructions of the heat pump manager.
  • Page 31: Heating Curve Adjustment During Commissioning

    .CZ`<<`.HC HBB.ZZ.HC.C& 11.2 Heating curve adjustment during commission- 11.4 Operation and control Appliance and system damage The efficiency of a heat pump decreases with rising flow tempera- Never interrupt the power supply outside the heating ture. The heating curve should therefore be adjusted with care. period.
  • Page 32: Heat Pump Manager Commissioning Summary

    .CZ`<<`.HC HBB.ZZ.HC.C& 11.6 Heat pump manager commissioning summary (Control level 3) Parameter (shown in the display) FIRST STARTUP ENTER CODE LANGUAGE GERMAN BACK CONTRAST DISPLAY ACTUAL RTRN T OUTSIDE TEMP DHW TEMP MIXER TEMP EMERG OPERTN ON / OFF Note The COOL parameter should only be set in WPF heat pumps with WPAC 1! COOLING OP ON / OFF...
  • Page 33 .CZ`<<`.HC HBB.ZZ.HC.C& MIXER MAX °C MIXER DYNAMIC FROST PROTECT °C HEATING CIR- SELECT REM CON HEATING CIRCUIT 2 CUIT 1 FE CORRECTION °C ROOM INFLUENCE °C HEATING LIMIT OFF / °C DUAL-MODE HTG °C DHW LIMIT °C DUAL-MODE DHW °C DHW ECO ON / OFF BACK...
  • Page 34: Heat Pump Manager Commissioning

    .CZ`<<`.HC HBB.ZZ.HC.C& $,$1&$-"8 ,.#$ 11.7 Heat pump manager commissioning Characteristics in case of “Fatal Error” conditions in conjunction General information with the emergency operation: Not only the adjustments at control level 2 but also the system- The EMERGENCY MODE parameter can be set to ON or OFF. specific parameters must be determined as part of commissioning the heat pump system.
  • Page 35 .CZ`<<`.HC HBB.ZZ.HC.C& Cooling operation with the FEK tem heats with an increase K/day (parameter INCREASE/DAY) to the maximum low end temperature (parameter MAX. HEAT-UP The FEK remote control is equipped with dew point monitoring, T) and is held at the maximum temperature via the selected time and can therefore be used with area heating systems (e.g.
  • Page 36 Potassium carbonate as brine (STIEBEL ELTRON heat trans- “Closed” in accordance with the switching condition fer medium) means that the heat pump frost protection is in- ϕ...
  • Page 37 .CZ`<<`.HC HBB.ZZ.HC.C& ,(- 21"$ 3$,/ The values stated correspond to the run-on time in minutes at an average brine inlet temperature of 0 °C. Setting range -10 °C to +10 °C and setting OFF. Z¼ ê Ö ê ¼ é ê...
  • Page 38 .CZ`<<`.HC HBB.ZZ.HC.C& 1$341- , 7 Example of setting 100 and a current control deviation of 5 K. Maximum return temperature 5 K of 10 K = 50% = ON duration Setting range 20 °C to 55 °C Example of a control deviation If the temperature at the return sensor reaches this value during heating operation, the heat pump is switched OFF immediately.
  • Page 39 .CZ`<<`.HC HBB.ZZ.HC.C& 1.., (-%+4$-"$ ture that is corrected by the overriding room temperature control in accordance with the following formula: Room influence for the FE 7 remote control unit Δϕ = (ϕ − ϕ ) * S * K RSET RACTUAL Standard setting 5 adjustable from ----via 0 to 20 Because a substantial proportion of the control is already handled...
  • Page 40 .CZ`<<`.HC HBB.ZZ.HC.C& '$ 3(-& +(,(3 / 23$41(2 3(.- Heat pump application limit The DHW cylinder is heated daily at 01:00 h to 60 °C, if pasteurisa- tion has been enabled. Pasteurisation can only be achieved with The heat pump is switched off if the outside temperature drops the heat pump and direct electric heating (internal DHC stages).
  • Page 41 .CZ`<<`.HC HBB.ZZ.HC.C& qTB.q .C%H B¼| ê Ö In total, 20 faults can be displayed. You can reset the fault list via a hardware reset. RNT COMP HTG Runtime - compressor heating mode RNT COMP DHW Runtime - compressor in DHW mode Example: RUNTIME DHC 1 DHC runtime stage 1...
  • Page 42: Wpmiw Commissioning Report

    .CZ`<<`.HC HBB.ZZ.HC.C& 11.8 WPMiw commissioning report T| | ¼ ¼ Z¼ ê Ö | Ö¼ Z | ®| ® ¼ |ù ¼ Enter code 0000 to 9999 1000 Language German Contrast -10 to +10 Display Actual return Emergency mode ON / OFF Cooling mode ON / OFF Heat-up program...
  • Page 43: Settings

    .CZ`<<`.HC Z``.C&Z 12.2.2 Heating program, heating circuit 2 12. Settings Z ê ›äê Ö ê ¼ Z ê ›äê Ö ê ¼ Z ê ›äê Ö ê ¼ 12.1 Standard settings |ê . |ê .. |ê ... At the factory, the heat pump manager is programmed with the following standard settings: Z ê...
  • Page 44 .CZ`<<`.HC `VHe <Z+HH`.C& Example: High pressure fault The power supply has been blocked; the standby symbol flashes '/ 2$-2.1 , 7 Remedy: Wait; the heat pump restarts automatically at the end of the blocking time. There is no heat demand Remedy: System parameter TEMPERATURES, check temperatures and compare the actual and set temperatures.
  • Page 45: Fault List Parameter

    HTV`.HC `VHe <Z+HH`.C& 13.2 Fault list parameter Check and remove all faults in the fault list. Fault display Reason for fault code triggered by control unit: Possible cause of fault/remedy HP sensor max The fault will be written to the fault list and the system will be permanently shut Only when a fault has been entered into the fault list: Controlled shut- down after the system has been shut down five times within the operating time (5...
  • Page 46: Specification

    .CZ`<<`.HC ZT.%.`.HC 14. Specification 14.1 Wiring diagram WPF 5 basic Ô ’ qT% | ê› qqq Z`. <é<`VHC HB...
  • Page 47 .CZ`<<`.HC ZT.%.`.HC WPMiw heat pump manager Temperature sensor heat pump flow Temperature sensor heat pump return Temperature sensor heat source Hot gas temperature sensor elektr. booster heater (DHC) Low pressure switch (only in WPW) High pressure switch High limit safety cut-out for DHC Compressor start contactor Contactor –...
  • Page 48: Wiring Diagram Wpf 7 Basic | Wpf 10 Basic | Wpf 13 Basic | Wpf 16 Basic

    .CZ`<<`.HC ZT.%.`.HC 14.2 Wiring diagram WPF 7 basic | WPF 10 basic | WPF 13 basic | WPF 16 basic ÔÄ ’ qT% | ê› qqq Z`. <é<`VHC HB...
  • Page 49 .CZ`<<`.HC ZT.%.`.HC WPMiw heat pump manager Temperature sensor heat pump flow Temperature sensor heat pump return Temperature sensor heat source Hot gas temperature sensor elektr. booster heater (DHC) Low pressure switch (only in WPW) High pressure switch High limit safety cut-out for DHC Contactor resistances Compressor start contactor Contactor –...
  • Page 50: Wiring Diagram Wpf 5-10 S

    .CZ`<<`.HC ZT.%.`.HC 14.3 Wiring diagram WPF 5-10 S Ñ ’ qT% | ê› qqq Z`. <é<`VHC HB...
  • Page 51 .CZ`<<`.HC ZT.%.`.HC WPMiw heat pump manager Temperature sensor heat pump flow Temperature sensor heat pump return Temperature sensor heat source Hot gas temperature sensor Emergency heater (DHC) Low pressure switch High pressure switch High limit safety cut-out for DHC Compressor start contactor Contactor –...
  • Page 52: Connections And Dimensions

    .CZ`<<`.HC ZT.%.`.HC 14.4 Connections and Dimensions b01 Electrical cable terminal b02 Electrical cable terminal c06 DHW flow c11 Safety assembly connection (included in the pack) e01 Central heating flow e02 Central heating return Brine intlet Brine outlet Ñ ’ qT% | ê› qqq Z`. <é<`VHC HB...
  • Page 53 .CZ`<<`.HC ZT.%.`.HC • • qqq Z`. <é<`VHC HB qT% | ê› ’ Ñ...
  • Page 54: Output Diagrams Wpf 5 Basic

    .CZ`<<`.HC ZT.%.`.HC 14.5 Output diagrams WPF 5 basic Legend for output diagrams Heating output [kW] / power consumption [kW] / coefficient of performance e [-] Inlet temperature of the WQA medium [°C] Flow temperature 35 °C Flow temperature 45 °C Flow temperature 55 °C...
  • Page 55: Output Diagrams Wpf 7 Basic

    .CZ`<<`.HC ZT.%.`.HC 14.6 Output diagrams WPF 7 basic Legend for output diagrams Heating output [kW] / power consumption [kW] / coefficient of performance e [-] Inlet temperature of the WQA medium [°C] Flow temperature 35 °C Flow temperature 45 °C Flow temperature 55 °C Flow temperature 60 °C Heating output WPF 7 basic...
  • Page 56: Output Diagrams Wpf 10 Basic

    .CZ`<<`.HC ZT.%.`.HC 14.7 Output diagrams WPF 10 basic Legend for output diagrams Heating output [kW] / power consumption [kW] / coefficient of performance e [-] Inlet temperature of the WQA medium [°C] Flow temperature 35 °C Flow temperature 45 °C Flow temperature 55 °C Flow temperature 60 °C 14.7.1 Heating output WPF 10 basic...
  • Page 57: Output Diagrams Wpf 13 Basic

    .CZ`<<`.HC ZT.%.`.HC 14.8 Output diagrams WPF 13 basic Legend for output diagrams Heating output [kW] / power consumption [kW] / coefficient of performance e [-] Inlet temperature of the WQA medium [°C] Flow temperature 35 °C Flow temperature 45 °C Flow temperature 55 °C Flow temperature 60 °C Heating output WPF 13 basic...
  • Page 58: Output Diagrams Wpf 16 Basic

    .CZ`<<`.HC ZT.%.`.HC 14.9 Output diagrams WPF 16 basic Legend for output diagrams Heating output [kW] / power consumption [kW] / coefficient of performance e [-] Inlet temperature of the WQA medium [°C] Flow temperature 35 °C Flow temperature 45 °C Flow temperature 55 °C Flow temperature 60 °C Heating output WPF 16 basic...
  • Page 59: Output Diagrams Wpf 5 S

    .CZ`<<`.HC ZT.%.`.HC 14.10 Output diagrams WPF 5 S 9 RUODXIWHPSHUDWXU  ƒ& 9ROOODVW 9 RUODXIWHPSHUDWXU  ƒ& 9ROOODVW 9 RUODXIWHPSHUDWXU  ƒ& 9ROOODVW Inlet temperature of Source Medium [°C] Flow temperature 35 °C Flow temperature 50 °C Flow temperature 60 °C qqq Z`. <é<`VHC HB qT% | ê›...
  • Page 60: Output Diagrams Wpf 7 S

    .CZ`<<`.HC ZT.%.`.HC 14.11 Output diagrams WPF 7 S (WK\OHQJO\NRO:DVVHUJHPLVFK PLW  9RO (WK\OHQJO\NRO 9RUODXIWHPSHUDWXU  ƒ& 9ROOODVW 9RUODXIWHPSHUDWXU  ƒ& 9ROOODVW 9RUODXIWHPSHUDWXU  ƒ& 9ROOODVW ƒ& Inlet temperature of Source Medium [°C] Flow temperature 35 °C Flow temperature 50 °C Flow temperature 60 °C ’...
  • Page 61: Output Diagrams Wpf 10 S

    .CZ`<<`.HC ZT.%.`.HC 14.12 Output diagrams WPF 10 S (WK\OHQJO\NRO:DVVHUJHPLVFK PLW  9RO (WK\OHQJO\NRO 9RUODXIWHPSHUDWXU  ƒ& 9ROOODVW 9RUODXIWHPSHUDWXU  ƒ& 9ROOODVW 9RUODXIWHPSHUDWXU  ƒ& 9ROOODVW ƒ& Inlet temperature of Source Medium [°C] Flow temperature 35 °C Flow temperature 50 °C Flow temperature 60 °C qqq Z`. <é<`VHC HB qT% | ê›...
  • Page 62: Data Table Wpf 5-16 Basic

    .CZ`<<`.HC ZT.%.`.HC 14.13 Data table WPF 5-16 basic Output data applies to new appliances with clean heat exchangers. qT% Ñ | ê› | ê› | ê› | ê› | ê› 230944 230945 230946 230947 230948 Outputs to EN 14511 Output for B0/W35 (EN 14511) 5,92 7,40 10,03...
  • Page 63: Data Table Wpf 5-10 S

    .CZ`<<`.HC ZT.%.`.HC 14.14 Data table WPF 5-10 S Output data applies to new appliances with clean heat exchangers. qT% Ñ Z 074425 074426 220819 Outputs to EN 14511 Output for B0/W35 (EN 14511) 5,80 7,80 9,90 Power consumptions to EN 14511 Power consumption for B0/W35 (EN 14511) 1,35 1,78...
  • Page 64: Data Table Wpmiw

    .CZ`<<`.HC ZT.%.`.HC 14.15 Data table WPMiw Power supply 1/N/PE ~ 230 V 50Hz Power consumption max. 8 Breaking capacity of the relay IP rating IP1XB Protection class Permissible ambient temperature during operation °C 0 to +50 Permissible ambient temperature during storage °C -30 to +60 Clock backup, day...
  • Page 65 .CZ`<<`.HC HBB.ZZ.HC.C& VTHV` 15. Commissioning report qqq Z`. <é<`VHC HB qT% | ê› ’ Ñ...
  • Page 66 .CZ`<<`.HC HBB.ZZ.HC.C& VTHV` ’ qT% | ê› qqq Z`. <é<`VHC HB...
  • Page 67 .CZ`<<`.HC HBB.ZZ.HC.C& VTHV` qqq Z`. <é<`VHC HB qT% | ê› ’...
  • Page 68 qVVC`t ’ Cp.VHCBC` C Vt<.C& Ä ’ qT% | ê› qqq Z`. <é<`VHC HB...
  • Page 69 CH`Z qqq Z`. <é<`VHC HB qT% | ê› ’...
  • Page 70 CH`Z ’ qT% | ê› qqq Z`. <é<`VHC HB...
  • Page 71 CH`Z qqq Z`. <é<`VHC HB qT% | ê› ’...
  • Page 72         . ( & ( + ( ...

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