Hardy H25 Installation And Operating Instructions Manual Download | Manualshive

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HARDY MANUFACTURING CO., INC (MODEL H25) PAGE 21

SECTION V

PLUMBING OPTIONS FOR DOMESTIC WATER

5-1

Plate Heat Exchanger for Domestic Hot Water

To add domestic hot water to the H25 model

heater

, a plate heat exchanger can

be added into the recirculating pump circuit. This plate heat exchanger will provide
preheated water to the domestic hot water. Mount a plate heat exchanger on the
back of the

heater

and connect it as shown in the following picture. The Taco 008

pump will circulate

heater

water through the plate continuously. The cold water

supply will be connected to the top right port on the plate heat exchanger. The
bottom right port will feed into the cold side of your water heater.

1

2

cold

hot

1

2

Cold water feed will connect to the top
port of the heat exchanger. The hot
water will return from the bottom port
of the heat exchanger to the cold water
inlet of the water heater

!

DANGER

WATER TEMPERATURE

OVER 125° CAN CAUSE

SEVER BURNS INSTANTLY

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Summary of Contents for H25

Page 1: ...ATION AND OPERATING INSTRUCTIONS FOR THE HARDY OUTSIDE WOOD BURNING HEATER Model H25 HARDY MANUFACTURING COMPANY INC 12345 ROAD 505 PHILADELPHIA MS 39350 PHONE 601 656 5866 FAX 601 656 4559 www hardyheater com Rev 03 13 ...

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Page 3: ... complete with Installation and Hook Up Instructions 2 Warranty Return Warranty Card 3 A tube of silicon located in the firebox for shipping 4 Smoke stack and condenser tank stack both with trim located in firebox for shipping 5 Six cast iron grates located in firebox 6 One Air tube Two Channel Beams located in firebox 7 Shovel located in the firebox for shipping 8 Stainless steel panel and insula...

Page 4: ...OAD 505 PHILADELPHIA MS 39350 PHONE 601 656 5866 www hardyheater com MODEL H25 ii Please keep this manual with all other important papers The information in this manual is necessary for the installation operation and proper use of this unit If you should ever have a problem or question please refer to this manual or have it available when you call your Hardy Dealer or Hardy Manufacturing Company I...

Page 5: ...lified electrician in accordance with the National Electrical Code Never use any type of petroleum product petroleum based product charcoal starter lighter fluid or any other flammable accelerant to start your unit Always open the ash door bottom before you open the firebox door top Never leave the doors open always latch the doors securely Always use proper care when installing operating and main...

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Page 7: ...mmended loading times and amounts 4 STARTERS Do not use lighter fluids gasoline or chemicals 5 LOCATION It is recommended that the unit be located with due consideration to the prevailing wind direction 6 Always remember to comply with all applicable state and local codes Outdoor Furnace Manufacturers Caucus Furnace should be located no less than 100 feet from any residence not served by the furna...

Page 8: ...ted neat the existing thermostat The two thermostats are installed so that if the outside wood heater is not in operation your existing unit will automatically take over to maintain your household temperature The wall thermostat which regulates the heat from the outside heater performs two functions when it senses your need for heat according to your temperature setting it turns the water pump on ...

Page 9: ... existing Blower Coil 13 15 SECTION IV Connection to Hydronic Heating Systems Baseboard 4 1 Connection to Hydronic System with existing 24 Volt Transformer 18 19 4 2 Typical Diagram for Plumbing Hydronic System 20 SECTION V Plumbing Options for Domestic Water 5 1 Plate Heat Exchanger for Domestic Water 21 SECTION VI Heater Operation 6 1 Firing the Heater 22 6 2 Water Temperature 22 6 3 Wood Usage ...

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Page 11: ... HZ 1PH MFS 15 AMP MCA 15 AMP Clearance to Combustibles Top Rear Sides 18 Chimney Connector 18 Front 48 Flooring Non Combustible Water Capacity H25 Holds Approximately 160 Gallons of Water HEATER DIMENSIONS Description Width Depth Height Weight H25 250 000 BTU 40 60 59 1000 lbs FIREBOX SIZES Description Width Depth Height H25 250 000 BTU 34 42 44 8 for Grates ...

Page 12: ...13 607 42 3 4 Male Boiler Drain Valve 14 700 05 3 4 x 10 SS Flex Line 15 700 18 3 4 x 18 SS Flex Line 16 900 80 1 1 2 Copper Supply 17 900 85 1 1 2 Copper Pump Supply 18 900 90 1 1 2 Copper Return 19 607 47 1 1 2 Brase Ball Valve 20 607 45 1 Brass Ball Valve 21 607 12 3 4 Brass Ball Valve 22 607 00 1 2 Brass Ball Valve 23 600 05 1 4 Brass Elbow 24 603 04 1 4 X 4 Brass Nipple 25 603 28 3 4 X 4 Bras...

Page 13: ...l allow ample concrete in front of the heater for loading wood and removing ashes The space between the rear of the unit and the outside cover will allow a 4 inch water tight pipe or other means to insulate the plumbing and electrical lines to run directly into the ground The outside cover can be removed by lifting it off the water tank on all four corners This will allow you easy access for the c...

Page 14: ...hat runs underground exits through this cut out to allow connections to the unit The unit sits on the pad with the rear of the water tank flush or even with the front side of the cutout The outside cover of the heater can be removed by lifting it from the water tank on all four corners This will allow you easy access for the plumbing and electrical connections 65 Minimum 20 4 6 14 14 48 Top View o...

Page 15: ...d taking it out With the back door removed using a 5 16 wrench remove the 8 metal screws that are located below the back door There are four on each side that hold the panel in place After the screws are removed the panel should come out easily and allow access to the bottom of the unit to make plumbing and electrical connections The second method is the removal of the entire cover With the back a...

Page 16: ...late in the firebox across the air tube and channel beams under the drop down section of the fire box against the back wall Install the grates across the air tube and the channel beams inline and end to end in front of the 3 8 steel plate Stand the steel flame baffle up with the 5 support legs on the bottom facing the front of the heater The openings should be facing and pushed against the drop do...

Page 17: ...re than 1 zone is to be heated or more than 1 location is to be heated then an additional pipe or insulation must be installed underground This pipe will run from the rear of the unit to the location to be heated Inside the 4 watertight pipe is the water lines thermostat wire and electrical supply wire The listing below describes each line and their function 1 One water supply line to heating syst...

Page 18: ...on the line side of the GFCI receptacle 5 Connect the white wire to the silver screw on the line side of the GFCI receptacle 6 Connect the bare copper wire to the green screw on the GFCI receptacle 7 After the wiring is complete check the receptacle with a circuit tester to determine if the polarity is correct and to make sure the ground is connected Press the test button on the GFCI receptacle th...

Page 19: ...AGRAM M1 RECIRCULATOR 4 6 R3 BM 1 PM SOL1 GFCI L1 L2 SCHEMATIC DIAGRAM LEGEND GFCI GROUND FAULT CIRCUIT INTERRUPTER R3 CIRCULATOR PUMP RELAY PM WATER CIRCULATOR PUMP M1 RECIRCULATOR PUMP T1 DAYTON AQUASTAT BM1 DAMPER BLOWER MOTOR SOL1 DAMPER SOLENOID SOL2 WATER SOLENOID F1 LOW WATER SWITCH L1 LOW WATER LIGHT R F1 L1 SOL2 1 2 3 4 5 6 7 8 R BM 1 SOL1 R3 PM M1 RECIRCULATOR ZONE CIRCULATOR SOL2 F1 T1 ...

Page 20: ...he heating system is connected to the brass tee located at the bottom left hand corner of the heater noted by 4 in the diagram Water pipes must be designed for hot water service ex copper cpvc or Pex Pipes should be installed in a 4 watertight pipe or some other type of insulating means to prevent heat loss from heater to heating system Use only copper brass or stainless steel fittings Do not use ...

Page 21: ...until it sits on the outside cover The condenser stack must also be installed in the condenser stack opening The trim must also sit snugly upon the outside cover DO NOT SEAL THE CONDENSER TANK TO THE CONDENSER TANK LID THIS IS THE WATER TANK VENT AND MUST NOT BE SEALED There are certain parts of the country that have high enough levels of chloride in the water to be harmful to stainless steel tank...

Page 22: ...e back if the heater This low water switch operates a low water warning light and automatic water fill solenoid Heater with Hull installed Insulation Stainless Steel Trim Condenser Stack insert s into condenser tank Do not seal between the condenser stack and condenser tank Seal between the condenser tank and the heater hull Smoke stack and collar Seal between the collar around the smoke stack and...

Page 23: ...this option then only a two wire conductor is required bypassing the low temperature sensor 4 Connect a jumper wire from the other side of the low temperature sensor to terminal 7 of the water pump relay R 3 and also connect the green wire to terminal 7 of R 3 If two wires are used then one is connected to terminal 7 and the other to terminal 8 5 Inside the house A Install the new wood heating the...

Page 24: ...E Also connect a jumper wire from terminal 7 of R 2 to terminal 6 of R 2 9 Locate the existing central unit blower relay R 1 A Locate the wire running from the existing thermostat to the blower relay coil Disconnect this wire from the existing blower relay coil and connect it to terminal 5 of the new blower relay R 2 B Connect a jumper wire from the existing blower relay coil the point that you ju...

Page 25: ...N TR TERMINAL STRIP R CONNECTION TG TERMINAL STRIP G CONNECTION R EXISTING THERMOSTAT CONNECTION G EXISTING THERMOSTAT CONNECTION QUICK CONNECT TERMINALS LEGEND 1 2 3 4 5 6 7 8 R C G W L1 L2 24 VOLTS R C G W 1 2 3 4 5 6 7 8 EXISTING TRANSFORMER EXISTING THERMOSTAT EXISTING BLOWER RELAY NEW RELAY NEW THERMOSTAT LOW TEMPERATURE SENSOR CIRCULATOR PUMP RELAY L1 L2 115V 24V TR TC R1 R2 R3 T2 LTS FS 1 2...

Page 26: ...URING CO INC MODEL H25 PAGE 16 Section III 3 2 Location of Heating Coil The following diagrams and pictures on this page and the following page show various methods of installing the heating coil in forced air system ...

Page 27: ...HARDY MANUFACTURING CO INC MODEL H25 PAGE 17 Section III 3 2 Location of Heating Coil continued 3 SUPPLY TO HEATING SYSTEM 4 HEATING SYSTEM RETURN ...

Page 28: ...ing system in the house This wire must be rated for underground use or be run inside a pvc pipe The colors normally used are red and white 2 At the heater connect the white wire to terminal 8 of the water pump R 3 3 Connect the red wire to terminal 7 of the water pump relay R 3 4 In the house locate the existing pump relay Connect the red wire of the two conductor thermostat wire to the coil of th...

Page 29: ...7 8 CONNECTION DIAGRAM LOW VOLTAGE FIELD WIRING PM EXISTING PUMP MOTOR EXISTING PUMP RELAY EXISTING 24 VOLT TRANSFORMER EXISTING THERMOSTA T CIRCULATING PUMP RELAY ON FURNACE SCHEMATIC DIAGRAM L1 L2 R1 R1 R3 TX1 24V T1 LEGEND TX1 EXISTING TRANSFORMER T1 EXISTING THERMOSTAT PM EXISTING PUMP MOTOR R1 EXISTING PUMP RELAY R3 CIRCULATOR PUMP RELAY PM ...

Page 30: ...ans to prevent heat loss from heater to heating system Use only copper brass or stainless steel fittings Do not use galvanized or black iron Turn off the makeup water for the existing system Manual filling of the wood heater or the electric fill option will supply makeup water for the wood heater and the existing hydronic Close all automatic air vents on the existing system Valving arrangement may...

Page 31: ... the back of the heater and connect it as shown in the following picture The Taco 008 pump will circulate heater water through the plate continuously The cold water supply will be connected to the top right port on the plate heat exchanger The bottom right port will feed into the cold side of your water heater 1 2 cold hot 1 2 Cold water feed will connect to the top port of the heat exchanger The ...

Page 32: ...ater If the heater is burning more wood than usual check the seal around the front doors If the seal is bad it will need replacing Call your local Hardy dealer and order rope and silicone for the firebox or ash door The fire in the heater must be out to seal the door With door still mounted on the heater scrape the old silicone out of the groove Run a small bead of silicone in the groove of the do...

Page 33: ...Look down the smoke stack into the firebox to check for creosote buildup Looking through the firebox door you will see an opening on the lower left and lower right corners just above the grates These holes need to remain open for proper burn The plate in the center is a loose plate that can be removed through the firebox door cleaned and reinstalled These steps should correct the problem 6 6 Ash R...

Page 34: ...00 WARNING When working with electrical circuits use caution to avoid electrical shock with bronze body If the pump will not run first unplug the power cord then check the water pump relay The relay can be bypassed by disconnecting the wire from terminal 6 and then connecting to terminal 5 terminals 4 to 5 is normally closed remove the thermostat wire from terminal 8 and plug the power cord back i...

Page 35: ...use the heater will overheat DAMPER SOLENOID P N H 2001 05 WARNING When working with electrical circuits use caution to avoid electrical shock This solenoid lifts the cover off the intake to the forced air draft blower The solenoid is controlled by the damper thermostat It should lift the cover when the forced air blower comes on and drop the cover FORCED AIR DRAFT BLOWER P N H2002 28 WARNING When...

Page 36: ...t the amount of combustion air entering the heater Check the seal on the clean out lid to assure a good air tight seal is still established Lift the damper lid on the draft blower and inspect the blower wheel for any build up of lint dust creosote or any other substance that could effect the performance of the draft blower Spray the damper lid hinge and the damper solenoid plunger with WD 40 or it...

Page 37: ... electrical connections Check for ground and continuity with ohmmeter The insulator of the windings should show no breakage If it does replace pump Pump does run 1 Defective 24 volt transformer 2 Defective wall thermostat heater 3 Defective low temperature sensor 4 Defective pump relay 1 Located at existing central unit If 115 120 volts is being supplied to primary side check for 24 volts on secon...

Page 38: ...ssages in cleanout and damper blower outlets 3 Clear blower wheel of any lint ashes or creosote build up Ash Bin 1 Ash buildup in ash bin 1 Clean out ash bin Ash bin should be cleaned out each week Ash build up on grates can cause grates to warp If grates warp they can be turned over and allowed to straighten Heater Stack 1 Ash and Creosote Buildup 1 Clean heater stack of any ash and creosote buil...

Page 39: ...ning see No Heat section in this guide Smoke Stack 1 Smoke stack stopped up 1 Remove smoke stack and check for creosote build up Baffle 1 Baffle blocked 1 Clean out fire box and check openings to baffle plate Improper Burning Remove all the ashes and wood Fire 1 Fire goes out 1 If fire goes completely out when damper is closed check the holes in the damper lid for obstructions clean out Moisture I...

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Page 41: ...HARDY MANUFACTURING CO INC MODEL H25 PAGE 31 ...

Page 42: ...verflow pipe 13 607 42 3 4 Male Boiler Drain Valve 14 700 05 3 4 x 10 SS Flex Line 15 700 18 3 4 x 18 SS Flex Line 16 900 80 1 1 2 Copper Supply 17 900 85 1 1 2 Copper Pump Supply 18 900 90 1 1 2 Copper Return 19 607 47 1 1 2 Brase Ball Valve 20 607 45 1 Brass Ball Valve 21 607 12 3 4 Brass Ball Valve 22 607 00 1 2 Brass Ball Valve 23 600 05 1 4 Brass Elbow 24 603 04 1 4 X 4 Brass Nipple 25 603 28...

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