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45154 

 

 
 

PSG

 

1700, Léon-Harmel 

Québec (Québec) 

G1N 4R9 

 

 

Installation and Operating Instructions 

for models MINI-CADDY wood furnaces and 

wood/electric combination

 

 
 
 
 

 

FURNACE MODELS INCLUDED IN THIS MANUAL 

 

 

MINI-CADDY WOOD AND WOOD/ELECTRIC COMBINATION 

11.25 Kw

 

Read these instructions carefully before installing 

and operating your furnace. 

CONGRATULATIONS!

 

You have purchased one of the finest wood 

or wood/electric furnaces available on the market. 

We are confident that your furnace will provide years of comfort and safe 

operation. 

Please keep this document 

READ THE MANUAL THOROUGHLY 

BEFORE OPERATING THE FURNACE 

Summary of Contents for MINI-CADDY

Page 1: ...ADDY WOOD AND WOOD ELECTRIC COMBINATION 11 25 Kw Read these instructions carefully before installing and operating your furnace CONGRATULATIONS You have purchased one of the finest wood or wood electric furnaces available on the market We are confident that your furnace will provide years of comfort and safe operation Please keep this document READ THE MANUAL THOROUGHLY BEFORE OPERATING THE FURNAC...

Page 2: ...INSTALLATION 11 F ELECTRICAL CONNECTION 12 MINI CADDY WOOD ONLY 12 MINI CADDY WOOD ELECTRIC 12 G ELECTRIC ELEMENT MINI CADDY WOOD ELECTRIC 13 INSIDE VIEW OF THE ELECTRIC ELEMENT 13 H THERMOSTAT 14 I FAN CONTROL 14 4 OPERATING INSTRUCTIONS 15 CONTROL SYSTEM 15 a LIGHTING 15 b PREHEATING 15 HEATING 16 EARLY SIGNS OF OVERFIRED FURNACE 16 WOOD AS HEATING FUEL 16 PROCEDURE TO OPEN THE LOADING DOOR 16 A...

Page 3: ...AM 23 MINI CADDY WOOD ONLY 23 8 MINI CADDY TECHNICAL DATA 24 GENERAL TECHNICAL DATA 24 TECHNICAL DATA ELECTRIC MODE 24 9 DUCTS AND DAMPERS DIMENSIONS EXAMPLES OF CALCULATION 25 10 MINI CADDY BRICKS LAYOUT 26 Vermiculite baffle board 26 11 TROUBLE SHOOTING 27 PSG LIMITED LIFETIME WARRANTY 28 ...

Page 4: ...imney and connector is recommended for the Mini Caddy Never install a manual damper If a barometric control must installed it must be adjusted so that the maximum draft measured at the furnace outlet does not exceed 0 06 in w c Please note that a draft exceeding 0 06 in w c could produce an uncontrollable fire On the other hand the minimum draft required is 0 04 in w c in the evacuation pipe MINI ...

Page 5: ... to obtain the minimum moisture content and optimize the efficiency Do not store wood or combustible materials within the installation minimum clearances or the space required to reload the appliance and remove the ashes When ignited creosote produces an extremely hot fire inside the chimney To avoid chimney fires it is important to do the turnover of wood Inspect the chimney system at regular int...

Page 6: ...ch would stain your glass An intense fire will help keeping the glass clean However in the event that your glass gets stained which should not occur you will have to clean it using a wet cloth and an oven cleaner The glass can be cleaned ONLY when the unit has cooled down Do not use abrasive cleanser Wood stove glass cleaners are available on the market and their efficiency makes no doubt WARNING ...

Page 7: ... A UNIT LOCATION The furnace must be installed where outside air supply is sufficient for proper combustion In airtight houses it might be necessary to install an outside air inlet see details in COMBUSTION AIR The furnace must be positioned so that the connector is as short as possible minimize the use of 90o elbows The owner must ensure a proper installation to allow a safe operation of the appl...

Page 8: ...BELOW 72 N B THE SIZE OF THE AIR RETURN CONDUITS SHOULD BE AT LEAST EQUAL TO THE SIZE OF THE COLD AIR PLENUM OPENING In order to insure adequate static pressure the quantity of air return should exceed the quantity of hot air distribution by at least 5 Hot air plenum minimal height N B This appliance must be installed according to the instructions on the unit s certification plate ...

Page 9: ...esult in an uncontrollable fire On the other hand the minimum draft to be respected is 0 04 in w c in the evacuation pipe For a proper installation follow the advices below 1 All the evacuation pipe joints must be secured with three screws Make sure that each screw goes through the inner walls of both connectors male and female See pictures below showing a male female coupling 2 A minimum rise of ...

Page 10: ...is liable to lack fresh air necessary for the proper combustion of a flame producing heating appliance In such a case when starting up the fire do not operate appliances that evacuate air outside the house such as Range hood Air exchanger Clothes dryer Bathroom fan Ventilated central vacuum system NOTE It is recommended to install an outside air inlet of minimum 4 diameter in the room where the he...

Page 11: ...t minimum clearances between the ductwork and combustible material as if the wood furnace was installed as a standalone unit The ductwork and furnace should be adjusted in order to reach a static pressure of at least 0 20 IN WC but not more than 0 50 IN WC A back flow damper should be installed in the plenum The back flow damper assures that when either unit is operated by itself the hot air will ...

Page 12: ...flue outlet as in the wood only installation the metal jacket cable 14 4 that is attached to it will run to the electric unit inside the furnace through the plastic bushings on the edge of the blower compartment and the knock outs in the dividing panel and the side of the electric unit Connect as showed in the wiring diagram included with the electric unit Another piece of metal jacket cable 14 3 ...

Page 13: ...d set the wood thermostat 2o C to 3o C higher than the electric system thermostat the bigger the gap the more the wood heating will contribute to the overall heating needs Take note that this furnace is equipped with a four speed blower motor Aside from low speed you may select medium low medium high or high speed If the temperature in the electric unit exceeds 200 F the L 200 thermodisc will dise...

Page 14: ...ation of the blower that the setting out of service be low enough But a setting out of service too low will cause undesirable cold air circulation To modify the setting move the tab to the desired position on the temperature dial of the fan limit control The adjustment of all controls must be performed by a qualified technician The controls setting and the blower speed must conform to the recommen...

Page 15: ... furnace 3 Place newspaper strips on top of the kindlings 4 Cover the newspaper with more kindlings and small pieces of dry wood 5 Add newspaper strips then light the fire a low as possible and leave the door 1 2 13 mm opened If you fail lighting the fire you might experience a back draft through the air inlets b PREHEATING 1 Once the kindling is well ignited or the coals revived put 2 or 3 fire l...

Page 16: ...DO NOT OPEN THE DOOR shut off the air inlet opening completely and wait until the glow has completely subsided WOOD AS HEATING FUEL We recommend that you burn seasoned hard wood only There are two important factors to be considered when choosing a type of wood the moisture content and the wood density Hardwood such as maple oak and beech will provide better results because of the high density and ...

Page 17: ...ranches or small pieces of wood can ignite the creosote residue accumulated in the evacuation system The usual signs are 1 Rumbling 2 The flue gets extremely hot 3 Flames shooting out of the chimney In case of a chimney fire call your local fire department immediately and sprinkle the roof around the chimney with water Make sure that the furnace door is closed as well as the damper if necessary lo...

Page 18: ...es move the upper plate of the combustion chamber forward see drawing on next page Using the scraper clean the three exchanger pipes The accumulated dirt in the lateral exchangers will fall into the combustion chamber if pushed to the rear the dirt in the central exchanger will have to be removed from the front or the back of the furnace Then ensure that the upper plate is free of ashes Do not for...

Page 19: ...19 REAR BRICK SCRAPER FLUE OUTLET DIRT BAFFLE BOARD MOVED FOWARD FOR CLEANING PURPOSE ONLY MINI CADDY SECTION VIEW ...

Page 20: ...ise it must be replaced Use only wood as a combustible Seasoned hard wood logs 18 long are recommended as combustible MAINTENANCE OF THE BLOWER MOTOR After 3 years of use the two motor bearings must be lubricated once a year using 10 drops of 5W30 oil FILTERS The furnace must not be operated without filters In order to efficiently and safely operate a slow combustion heating system you have to ens...

Page 21: ...pin spring pin with a small hammer 6 REPLACEMENT PARTS Your PSG furnace is designed to burn clean and requires little maintenance It s recommended to conduct a visual inspection at least once a month to uncover any damage to the unit Necessary repairs must be done as soon as possible with the original parts You can find a complete list of replacement parts on our website at www psg distribution co...

Page 22: ...ould be replace at the same time To put back in place follow the same procedure backwards Do not used abrasive cleanser Special cleansers for wood stoves glass are available in any good hardware store Clean glass ONLY when the unit has cooled down GASKET We recommend to replace the door gasket once a year in order to maintain a good control of the combustion for maximum efficiency and security To ...

Page 23: ...LOW MED HIGH HIGH ON OFF SUMMER SWITCH SERVO MOTOR THERMOSTAT 24 V A C 24 V A C BLUE BLACK BLACK WHITE 3 2 1 JUNCTION BOX BLACK TRANSFO BLUE LOW LINE HIGH HONEYWELL L6064 LINE FAN LOAD LIMIT OFF 110 F LIMIT 250 F ON 150 F RED 4 SPEED MOTOR DIRECT DRIVE WHITE BLACK L1 120 V A C L2 BLOWER REVISION FEBRUARY 8TH 2008 ...

Page 24: ...EL DIRECT DRIVE OUTPUT TEMP VAR BTU INPUT STATIC PRESSURE FILTER FAN MOTOR SPEED CFM O F WOOD MIN MAX 2 H2O MINI CADDY DCT 916 800 5 1 4 HP 4 1100 67 73900 0 2 0 4 15 X 20 X 1 TECHNICAL DATA ELECTRIC MODE MODEL OUTPUT CFM TEMP VAR O F BTU HR AMPERES TOTAL BREAKER REQUIRED FEEDER GAUGE VOLTAGE SINGLE PHASE ELEMENTS QTY 11 25 KW 1100 67 38400 45 60 6 120 240 3 x 3 75kW WOOD 2 15 14 120 ...

Page 25: ...x 10 For a 6 warm air outlet 2 x 14 damper or 4 x 12 WARM AIR SYSTEM INSTALLATION HOUSE DIMENSIONS Example 28 x 40 bungalow 1 120 sq ft 28 x 40 x 8 8 960 cu ft x 1 8 Ch air hr 16 128 Btu Exposed walls 40 40 28 28 136 x 8 1 088 cu ft x 22 23 936 Btu Number of windows 12 of 3 x 4 144 x 60 8 640 Btu Number of doors 2 x 3 x 7 42 x 100 4 200 Btu 52 904 Btu Non insulated basement 25 Insulated basement 1...

Page 26: ...te baffle board 1 2 24089 Ash grate 1 3 29001 BRICK 8 X 4 X 1 1 4 8 4 29011 BRICK 9 X 4 X 1 1 4 9 5 29020 BRICK 9 X 4 1 2 X 1 1 4 5 6 Cut to size BRICK 6 3 4 X 1 1 16 X 1 1 4 2 7 Cut to size BRICK 9 X 2 1 8 X 1 1 4 4 2 1 6 6 7 7 7 7 3 3 3 3 3 3 3 3 5 5 5 5 5 4 4 4 4 4 4 4 4 4 ...

Page 27: ...chain that links the damper to the servo motor Rebalance the ventilation system in order to increase the air flow in the room where the thermostat is located Fan start up is too slow Fan ON setting too high Return air is too cold temperature lower than 65 degrees Limit control not well located on the furnace Lower the temperature starting point Usually the limit control is set at 150 degrees we ca...

Page 28: ...art All parts and labour costs covered by this warranty are limited according to the table below The manufacturer at its discretion may decide to repair or replace any part or unit after inspection and investigation of the defect The manufacturer may at its discretion fully discharge all obligations with respect to this warranty by refunding the wholesale price of any warranted but defective parts...

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