Piazzetta P958 C Instructions For Installation, Use And Maintenance Manual
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Piazzetta P958 C Instructions For Installation, Use And Maintenance Manual

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Pellet Stove
P958 - P958 C - P958 D - P958 M
INSTRUCTIONS FOR INSTALLATION,
USE AND MAINTENANCE
Please read this entire manual before installation and use of this
pellet fuel-burning room heater. Failure to follow these instructions
could result in property damage, bodily injury or even death.
Contact local building or fire officials about restrictions and
installation inspection requirements in your area.
Save these Instructions.

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  • Page 1 Pellet Stove P958 - P958 C - P958 D - P958 M INSTRUCTIONS FOR INSTALLATION, USE AND MAINTENANCE Please read this entire manual before installation and use of this pellet fuel-burning room heater. Failure to follow these instructions could result in property damage, bodily injury or even death.
  • Page 2 In line with its policy of constant product improvement and renewal, the manufacturer may make changes without notice. This document is the property of Gruppo Piazzetta S.p.A.; no part of it may be disclosed to third parties without the written permission of Gruppo Piazzetta S.p.A.

  • Page 3: Table Of Contents

    Mobile home installation TECHNICAL CHARACTERISTICS AND SPECIFICATIONS Features Technical data Accessories and equipment Product identification data Dimensional diagram P958 Dimensional diagram P958 C Dimensional diagram P958 D Dimensional diagram P958 M Wiring diagram FUEL PREPARING FOR INSTALLATION INSTALLATION Multifuoco System...

  • Page 4: General Rules

    1.0 GENERAL RULES DT2010216-05 Ensure that the installation of your product conforms to all the indications given below. Fig. 1 CHIMNEY STACK CHIMNEY CONNECTION TO FLUE FLUEWAY SOOT INSPECTION APERTURE FRESH AIR INTAKE ELECTRIC POWER SUPPLY CAPACITY LOAD OF THE FLOOR MINIMUM SAFETY DISTANCES DT2030321-01...

  • Page 5: Fresh Air Intake

    1.2 FRESH AIR INTAKE DT2010539-03 To ensure trouble-free operation the stove must have the necessary Fig. 2 air available for combustion and this is provided through the fresh air intake. The fresh air intake must: - have a total free cross section at least equal to the size given in the paragraph “TECHNICAL DATA”;...

  • Page 6: Installation Environment

    1.4 INSTALLATION ENVIRONMENT DT2010033-01 Contact local building authority before installation to determine if a The room where the appliance is to be installed must comply with the permit and/or inspection is required. following requirements: When locating your appliance, consider the building structure to ensure They must not be used as a garage, store for combustible the vent will not interfere with any ceiling joists, roof rafters, wall studs, water pipes or electrical wiring.

  • Page 7: Minimum Safety Distances

    1.6 MINIMUM SAFETY DISTANCES DT2011553-02 Install the product in compliance with the recommended safety distances Fig. 4 from heat sensitive or inflammable materials and not inflammable, from REAR WALL load bearing and other walls and also from wooden elements, furniture, SEE VENT etc.

  • Page 8: Flueway

    1.7 FLUEWAY DT2010229-05 The stove requires a UL listed pellet vent. So the venting system shall be approved for pellet stoves by a certified testing Laboratory. PL Vent must be used for venting all Freestanding stoves. Do not use to vent pellet appliance these venting materials and products: - Dryer vent - Gas appliance (Type B) vent - PVC (plastic) pipe...
  • Page 9 DIRECTION H MIN 5' OF CLEANING PELLET STOVE Gruppo Piazzetta S.p.A. assumes no responsibility for, nor DIRECTION does the warranty cover, smoke damage caused by reverse OF CLEANING drafting of pellet stoves under power failure conditions or as a result of extreme negative pressure in the home.

  • Page 10: Interior Vent Installation

    1.8 INTERIOR VENT INSTALLATION DT2010230-03 This kind of installation provides the natural draft that results from Fig. 10 a vertical rise avoiding smoke being released into the house when RAIN CAP electricity to the unit is interrupted while burning or smoldering pellets remains in the burn grate.

  • Page 11: Connecting To A Conventional Chimney

    1.9 CONNECTING TO A CONVENTIONAL CHIMNEY DT2010232-02 The stove may be connected to an existing Class A chimney or a masonry Fig. 12 chimney which meets the minimum requirements of NFPA 211. Using this kind of installation the pellet stove is able to draft naturally without exhaust blower operation (failure), reducing the probability of burn-back and back-drafting.

  • Page 12: Installing Into An Existing Fireplace Chimney

    1.10 INSTALLING INTO AN EXISTING FIREPLACE CHIMNEY DT2010232-02 This kind of installation also provides natural draft in the event of a Fig. 15 power failure. When installing as a hearth mount stove into a firebox the unit must either be relined, terminating above the chimney chase top, or positively connected to the existing chimney system using a block off plate (Fig.

  • Page 13: Minimum Flue Vent Configuration

    This configuration will help prevent blockage of vent by snow drifts. Also the minimum vertical run of 5 feet (1,5 m) ensures the ventilation of the exhaust in the event of a power failure, and allow for easier cleaning through cleanout on tee. Certain local code restrictions may apply.

  • Page 14: Venting: Termination Requirements

    1.13 VENTING: TERMINATION REQUIREMENTS DT2012157-00 In determining optimum vent termination, carefully evaluate external conditions especially when venting directly through a wall. Since you must deal with odors, gases, and fly ash, consider aesthetics, prevailing winds, distances from air inlets and combustibles, location of adjacent Fig.

  • Page 15: Prevention Of Domestic Fires

    • The exhaust termination location (Fig. 21) must be at least: Fig. 21 - 1’ (305 mm) above the ground level. Attention : the minimum vertical rise shall always be not less than 5’ (1.5 m). A flue at 1’ above ground is not enfant safe: we strongly reccomend that the exhaust termination of flue be raised another 4’...

  • Page 16: Mobile Home Installation

    1.15 MOBILE HOME INSTALLATION DT2010027-02 The stove has been tested and listed for mobile home installations. Fig. 22 Unit must be installed in accordance with the: Manufactured Home and Safety Standard (HUD), CFR 3280, Part 24. In addition to all previously detailed requirements, mobile home installations must observe the following: - Permanently bolt the stove to the floor.

  • Page 17: Technical Characteristics And Specifications

    (see section “MULTICOMFORT”), front hot air outlet at bottom, set-up for ducting outlet at rear (see section “MULTIFUOCO SYSTEM”) Humidifier: ......stainless steel [contains 7 oz (20 cl) water]. 2.2 TECHNICAL DATA DT2012359-00 P958 - P958 C - P958 D - P958 M Unit at rated power at minimum power Heat Input BTU/H / (kW) 39682 / (11.62)

  • Page 18: Accessories And Equipment

    2.3 ACCESSORIES AND EQUIPMENT DT2011790-00 Description NTC 10K room sensor In kit Flexible cable In kit LCD Remote-control In kit Grate baffle plate In kit Hex-wrench for the smoke chamber cover fastening screw In kit Humidifier In kit Detachable handle In kit 2.4 PRODUCT IDENTIFICATION DATA DT2011541-00...

  • Page 19: Dimensional Diagram P958

    6,92" (176 mm) 3,94" 2,44" (100 mm) (62 mm) 19,34" (491 mm) 20,25" (514 mm) Dimensions in inches (mm) 2.6 DIMENSIONAL DIAGRAM P958 C 1,97" Ø (50 mm) 39,91" (1014 mm) 2,95" Ø (75 mm) 17,07" (434 mm) 6,92" (176 mm) 3,94"...

  • Page 20: Dimensional Diagram P958 D

    2.7 DIMENSIONAL DIAGRAM P958 D 1,97" Ø (50 mm) 39,71" (1009 mm) Ø 2,95" (75 mm) 17,07" (434 mm) 6,92" (176 mm) 3,94" 2,44" (100 mm) (62 mm) 18,84" (479 mm) 19,37" (492 mm) Dimensions in inches (mm) 2.8 DIMENSIONAL DIAGRAM P958 M 1,97"...

  • Page 21: Wiring Diagram

    2.9 WIRING DIAGRAM DT2033861-02 Fig. 25 Capacitor BLACK Receiver unit YELLOW GREEN Room fan WHITE (blower) WHITE BLUE BROWN FUN1 SCAMB SPEED FUN1 Ventilation SPEED FUN2 circuit board Fuel feed Flue gas fan auger motor FUN2 BLUE YELLOW GREEN Capacitor N.O.

  • Page 22: Fuel

    - inefficient combustion. recommend that you use high-quality pellets. Gruppo Piazzetta S.p.A has tested and programmed its stoves and Pellets should be stored in a sheltered, dry place. can ensure best performance and trouble-free operation using...

  • Page 23: Installation

    DT2010071-05 5.1 MULTIFUOCO SYSTEM DT2012361-00 • Thanks to Piazzetta technology and R&D, this pellet stove offers the Fig. 26 advantages of the “Multifuoco system”, a system EXCLUSIVE to and PATENTED by Gruppo Piazzetta S.p.A., a true innovation in the field of pellet stoves.
  • Page 24 Solution 1 - Fig. 29 - 30: Fig. 29 The stove is installed in the room which is to be heated, with the hot air directed to the front only, as when the stove arrives from the factory (Fig. 29). Alternatively the air can flow to the rear by connecting a 3” / 75 mm-diameter flexible pipe to the fan outlet (Fig.
  • Page 25 Wall and floor ducting - Fig. 33 / 36 Fig. 33 Fig. 34 For efficient ducted heat distribution: - lag the flexible pipe with a 0.79” / (2 cm) thick insulation (e.g. mineral fibre, ceramic fibre, rock fibre) to limit heat loss and to guarantee a sufficiently warm air temperature;...

  • Page 26: Electrical Connections And Controls

    5.2 ELECTRICAL CONNECTIONS AND CONTROLS DT2011891-00 Power cable (6) Fig. 39 • The stove/firebox comes with a power cable which must be connected to a 230V/50Hz mains socket. Connection to the rear of the stove/ firebox is shown in fig. 39. •...

  • Page 27: Installing The Y-Element (Optional)

    5.4 INSTALLING THE Y-ELEMENT (OPTIONAL) DT2012027-00 • Ducting of heat to adjoining rooms is at the user’s discretion. Fig. 43 Fig. 44 • The Y-element should be attached to the fan outlet. • Proceed as follows: - disconnect from the main power supply before opening the appliance; - remove the stove rear panel;...

  • Page 28: Use

    Piazzetta pellet stoves a protective grille inside the hopper is placed. To open the pellet hopper, pull the upper panel and then lift the hopper lid.

  • Page 29: Remote Control

    If the stove is not receiving signals from the remote try bringing the remote closer to the stove. Below are listed the various functions of the remote control’s keys. GRUPPO PIAZZETTA MENU DT2030325-00 NUMBER...

  • Page 30: Lighting For The First Time

    6.3 LIGHTING FOR THE FIRST TIME DT2010082-05 • Carefully read this “Instructions for Installation, Use and Maintenance“ in its entirety before lighting your stove for the first time. • Before lighting the stove for the first time, check that the grate is properly placed and pushed back towards the baffle plate. •...
  • Page 31 S T A R T STARTUP P H A S E Action Description Display 1 2 : 0 0 7 3 F A cycle starts with three phases which take the stove into the normal operating mode: C O N T R O L C O N T R O L C O N T R O L 1 2 : 0 0 7 3 F...
  • Page 32 V E N T - 1 C L E A N I N G C L E A N I N G programmed by Gruppo Piazzetta personnel. G R A T E G R A T E This operation removes ash deposits and other buildups, which would...

  • Page 33: Troubleshooting

    MANAGEMENT OF EXTERNAL THERMOSTAT Action Description Display Stove operation can be regulated by means of an external room thermostat (normally closed contact) connected to the electronic board. To connect the thermostat, see paragraph “INSTALLING THE EXTERNAL ROOM THERMOSTAT”. Operation of the external thermostat depends on the stove temperature setting and the EXTERNAL THERMOSTAT setting (consult table EXTERNAL THERMOSTAT).
  • Page 34 FAILED IGNITION: WHAT TO DO C L E A N I N G Action Description Display B R A Z I E R Shut the stove down 1 2 : 0 0 2 2 by pressing the • The warning buzzer stops. C L E A N I N G ON/OFF key down for •...
  • Page 35 INTERRUPTION OF POWER SUPPLY Action Description Display If there is a blackout while the stove is in normal heating operation, there are two possibilities of procedure according to stove set-up: - blackout without timer thermostat settings. - blackout with timer thermostat settings. Blackout without timer thermostat settings.

  • Page 36: Control Panel

    6.6 CONTROL PANEL DT2010222-07 The stove is fitted with a digital control panel to operate stove functions Fig. 58 when the LCD remote control is unavailable. The various functions of the control panel are listed below. DT2030332-00 NUMBER KEY / DISPLAY DESCRIPTION Key ON/OFF Allows you to start up or shut down the product manually.

  • Page 37: Programming

    6.8 PROGRAMMING DT2011867-01 The remote control can be used to select the following functions from the main MENU: • SELECT LANGUAGE LANGUAGE ENGLISH Remote control LANGUAGE ITALIANO LANGUAGE DEUTSCH LANGUAGE FRANCAIS MENU • UNIT OF MEASUREM • SET CLOCK DAY MONDAY DAY TUESDAY DAY WEDNESDAY DAY THURSDAY...

  • Page 38: Setting Unit Of Temperature Measurement

    6.10 SETTING UNIT OF TEMPERATURE MEASUREMENT DT2011296-00 This function allows the unit of temperature measurement in CELSIUS or in FAHRENHEIT to be set on the display. UNIT OF MEASUREMENT U N I T O F Function Action Display M E A S U R E M . U N I T O F M E A S U R E M .

  • Page 39: Timer

    D A Y D A Y D A Y Confirm setting and Press the SELECT MENU key and set the “DAY”. M O N D A Y M O N D A Y M O N D A Y move to next section Confirm by pressing the SET key.
  • Page 40 DAY PROGRAMME - 1 operating cycle Function Action Display S E T S E T S E T Select set chrono Press the MENU key. Using the SELECT MENU key select the SET CHRONO C H R O N O C H R O N O C H R O N O menu...
  • Page 41 P O W E R P O W E R P O W E R Function Action Display Press SELECT MENU to set the desired room temperature (for example, S E T R O O M S E T R O O M S E T R O O M Set room temperature...
  • Page 42 E N A B L E W E E K W E E K W E E K W E E K O F F O F F O F F O F F Function Action Display S T A R T S T A R T Press SELECT MENU to set the startup time, advancing in ten-minute S T A R T...
  • Page 43 V E N T - 1 O F F Function Action Display S T A R T S E T P R O G R A M After having programmed the first operating cycle you may, if you wish, proceed with P R O G R A M 2 programming the second operating cycle by going through the settings in the order as 0 6 : 0 0...
  • Page 44 W E E K - E N D P R O G R A M W E E K - E N D P R O G R A M W E E K - E N D P R O G R A M W E E K - E N D 0 6 : 0 0 0 6 : 0 0...

  • Page 45: Multicomfort

    6.12 MULTICOMFORT DT2010251-03 The pellet stove is fitted with the Multicomfort function. This works in conjunction with the Multifuoco ventilation system to improve heat distribution. It allows the room temperature to be read from the stove or from the remote control, so that the Multifuoco settings can be varied according to the requirements of the rooms to be heated.
  • Page 46 When the room temperature measured by the room sensor or the remote control drops to the temperature value set by the user on the START function (e.g. -6 °F / -3 °C compared to the programmed temperature), the stove starts a new ignition phase and goes back to the power level previously set by the user.

  • Page 47: Parameter Menu

    6.14 PARAMETER MENU DT2011866-00 The User can only interact with the MEMORY COUNTERS, the POWER OUTAGE and the EXTERNAL THERMOSTAT in the parameter menu, as described in the tables below: the other parameters can only be used by an authorised service centre. MEMORY COUNTERS Function Action...
  • Page 48 POWER OUTAGE Function Action Display P A R A M E T E R Selection of Press the MENU key. Using the SELECT MENU key select the PARAMETER M E N U parameter menu MENU and confirm by pressing the SET key. P O W E R Press the SELECT MENU key and scroll through the menu until the readout M E M O R Y...
  • Page 49 EXTERNAL THERMOSTAT Function Action Display P A R A M E T E R Selection of Press the MENU key. Using the SELECT MENU key select the PARAMETER M E N U parameter menu MENU and confirm by pressing the SET key. E X T E R N A L Press the SELECT MENU key and scroll through the menu until the readout M E M O R Y...
  • Page 50 1 2 : 0 0 7 3 F 1 2 : 0 0 7 3 F 1 2 : 0 0 7 3 F S H U T D O W N S H U T D O W N S H U T D O W N 1 2 : 0 0 7 3 F 1 2 : 0 0 7 3 F...

  • Page 51: Enable Beep (Audio Signal)

    6.15 ENABLE BEEP (AUDIO SIGNAL) DT2010248-04 This function allows you to engage or disengage the alarm signal emitted by the stove to indicate that it has received the remote control’s commands. ENABLE BEEP (audio signal) Function Action Display E N A B L E E N A B L E Select enable beep Press the MENU key.

  • Page 52: Modifying The Transmission Unit

    6.17 MODIFYING THE TRANSMISSION UNIT DT2010248-04 Should two pellet stoves of the same model be installed close to each other and the remote control beam activates both simultaneously, it is possible to modify the transmission unit when the stove has been shut down by taking the following steps: SELECT UNIT Function Action...

  • Page 53: Safety Devices

    6.19 SAFETY DEVICES DT2010994-00 During operation some parts of the stove (door, handle, ceramic parts) can reach high temperatures. Remember to maintain the safety distances indicated previously. Be careful, take all due precautions and always comply with the instructions. If during operation smoke leaks from any part of the stove or the flue, shut the stove down immediately and ventilate the room. When the stove has cooled, check for the cause of the leak and if necessary call in specialist personnel.
  • Page 54 FUEL HOPPER LID SENSOR Description of activity Display Connected to the fuel hopper lid, its function is to disable the fuel feed auger motor when the hopper lid is open as required by UL and ULC standards. WHEN ACTIVATED: C L O S E If the sliding top panel remains open, the lid switch cuts off the power supply to the fuel-loading auger, thereby stopping the supply of pellets to the grate.
  • Page 55 FLUE GAS FAN RUNNING Sensor Description Display Its function is to check correct operation of the flue gas fan so that the stove can be used in all safety. If the black-red-white cable connected to the flue gas fan (see the S M O K E F A N paragraph “WIRING DIAGRAM”) momentarily or accidentally removed F A I L U R E...
  • Page 56 FLUE GAS TEMPERATURE SENSOR Sensor Description Display Connected to the electronic board, it constantly monitors the working temperature allowing the stove to be used in all safety. WHEN ACTIVATED If the temperature exceeds the fixed safety limit the board cuts off the power supply to the fuelloading auger thus depriving the grate of pellets S A F E T Y and starting the stove shutdown process.

  • Page 57: Opening The Door

    6.20 OPENING THE DOOR DT2010087-04 During operation the door must remain closed. Fig. 59 It is to be opened only when the stove has been shut down and cooled in order to carry out maintenance operations. Since the fire box door handle can reach hot temperature, the appliance is fitted with a detachable handle on the rear panel of the stove as shown in the figure.

  • Page 58: Maintenance

    7.0 MAINTENANCE DT2010249-01 Pursuant to current regulations on the safety of electrical equipment, you must contact your dealer or a qualified electrician for all and any work connected with installation, maintenance or servicing that involves access to electrical parts or internal mechanical parts. Maintenance is to be considered compulsory for correct and efficient stove operation.

  • Page 59: Cleaning The Firebox

    7.3 CLEANING THE FIREBOX DT2010428-03 Once a week clean the firebox as follows. Fig. 65 - Remove the grate baffle and draw out the grate. ECCENTRIC CLAMP - Turn the eccentric clamps to free the internal baffle. INTERNAL BAFFLE - Lift the baffle slightly, gripping it by the two outer tabs to free it at the bottom and then turn it, bringing the bottom outwards, and remove.

  • Page 60: Cleaning The Flue System

    7.5 CLEANING THE FLUE SYSTEM DT2010092-03 Soot and Flyash: formation and need for removal. Fig. 69 The products of combustion will contain small particles of flyash. The flyash will collect in the exhaust venting system and restrict the flow of the flue gases.

  • Page 61: Replacing The Window

    Do not slam the door or hit the window. In case of breakage replace only with a Gruppo Piazzetta spare part. Replacement of the glass should be done by a qualified service technician. To replace, proceed as follows: - wear protective gloves;...

  • Page 62: Cleaning The Fans

    It is necessary to have the fans cleaned at least once a year. Since such a procedure involves dismantling certain parts of the stove, have the cleaning carried out only by a Piazzetta Service Centre or other qualified persons. To access the room fan/s, remove the side ceramic panel/s (see instructions in CLADDING booklet).

  • Page 63: When Not In Use

    7.12 WHEN NOT IN USE DT2010096-04 When shutting the stove down for the summer, proceed as follows: - remove all pellets from the hopper and feeding auger; - carefully clean the grate, the grate support and the ash drawer; - using a steel brush, clean the baffle plate or internal baffle plates of the firebox and coat them using a spray paint (not supplied), to prevent them from oxidising and consequently forming rust.

  • Page 64: Troubleshooting

    8.0 TROUBLESHOOTING DT2011179-01 Some of the problems indicated below may be resolved by following the instructions. All work must be carried out when the appliance is cold and disconnected from the electricity supply (pull out the plug). Authorised qualified persons must be contacted, in accordance with current regulations, whenever it is necessary to work on parts inside the cladding or the firebox in order to resolve the problem.
  • Page 65 Replace the pressure switch (use only Faulty pressure switch “ALF 2” stove status original spares) Check the electrical connections (contact a Piazzetta After-Sales No power supply to the auger Service Centre or an authorised person) No connection between the 3-pin...
  • Page 66 Problem Cause Solution The stove restarts automatically and Momentary power failure during “PUL” stove status continues operating normally at power operation level 2 “NO ACC” stove status Empty hopper Fill the hopper Grate requires cleaning Clean the grate (see section 7.1) Operating temperature not reached Empty the grate and restart Replace glow plug (use only original...
  • Page 67 Problem Cause Solution Repeat ignition procedure. If the Appliance runs for 9-10 minutes and Heat sensor locked problem persists, contact an then goes out authorised technician Repeat ignition procedure. If the Combustion gases have not reached problem persists, contact an the required ignition temperature authorised technician Heat sensor badly connected...

  • Page 68: Replacing The Fuses

    8.1 REPLACING THE FUSES DT2010557-02 Electronic board fuse. Fig. 73 Unscrew the cartridge fuse or safety plug from the electronic board and replace with a similar one. Main circuit board fuse type: F6.3AL250V. Bouchon porte-fusible DT2032940-00 Fuse on the IEC power socket. Fig.
  • Page 69 H07031310 / DT2002112 – 00...
  • Page 70 H07031310 / DT2002112 – 00...
  • Page 71 H07031310 / DT2002112 – 00...
  • Page 72 PLEASE CONTACT YOUR DEALER FIRST. Distribuite by: Pacific Energy Fireplace Products Ltd. 2975 Allenby Rd. Duncan, BC, Canada V9L 6V8 Tel: 1-250-748-1184 email: support@pacificenergy.net Via Montello, 22 31011 Casella d’Asolo (TV) - ITALY Tel. +39.04235271 - Fax +39.042355178 www.piazzetta.it e-mail:infopiazzetta@piazzetta.it...

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