HS Tarm 2000 Installation And Operation Manual Download Page 61

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ROUBLESHOOTING (continued)

PAGE 56

_____________________________________________________________________________________________________________________________________________________________________________________

This section of the manual is designed to help you to isolate and correct problems that may occur
during the operation of your TARM EXCEL BOILER.

SYMPTOM:

POSSIBLE CAUSE:

REMEDY:

NO HEAT IN HOUSE

Boiler Temperature is below
150

F while burning wood

No Fuel in Boiler
Low Fan Output

Restart or re-light fire
Fan wheel dirty—CLEAN
Air Ducts Plugged -- CLEAN

Fan does not operate

Check power and control panel
components with multi-meter

By-pass damper is open, not sealing

Close by-pass damper, CLEAN

Combustion chamber is obstructed

Clear ash and other obstructions
through lower door

Boiler is dirty

Clean ash off refractory
Clear Ash from floor of boiler
Brush Heat Exchange Tubes

Wood is un-split or unseasoned

Split wood and season to 20%
moisture or less

Fan operates slowly

Bad motor capacitor-replace

Boiler Temperature is below
140

F, wood fan doesn’t shut off

Boiler did not get up to operating
temperature before dropping below
140

All of above possible

Be sure to fire boiler so it heats
to above 175

F (80

C) after a

cold start

Creosote in Chimney

By-pass damper not fully closed:
smoke by-passing combustion
chamber

Check by-pass assembly- adjust
or clean as necessary

A blockage in primary air ducts or
openings

Clean

Smoke smell around boiler after
combustion fan shuts off

Down draft in chimney causing boiler
to burn backwards thru primary air
ducts & draft fan

Consult a chimney professional
or Tarm USA, Inc

Leaky Door Gaskets

Replace as necessary

Wood Combustion Fan shuts off
after 15 minutes

Desired Flue Temperature not
reached

Lower Flue Temperature Sensor

Use drier or smaller wood when
starting your fire

Boiler Temperature is below
140

F while burning oil or gas.

Out of fuel

Check oil or gas supply

Excessive heat demand

Have serviceman check nozzle
size and BTU input of burner –
increase within specifications

Boiler Temperature above 150

Air in piping

Call Serviceman

Circulator not operating

Call Serviceman

Not enough radiation in house

Add radiation as needed

Boiler functions well with good
burn times but inadequate on
coldest days

Boiler temperature is set too low

Increase boiler water
temperature by adjusting the “HI”
setting on the L8124 Control to
190

Excessive heat dumped into
over heat zone

Overheat control set too low

Increase “low” setting on L8124C
to 210

Summary of Contents for 2000

Page 1: ......

Page 2: ...e following codes ANSI NFPA No 31 Installation of Oil Burning Equipment ANSI NFPA No 70 National Electric Code ANSI NFPA No 211 Chimneys Fireplaces Vents Solid Fuel Burning Appliances and ANSI NFPA No 54 The National Fuel Gas Code These documents are available from the National Fire Protection Association 1 Batterymarch Park Quincy MA 02269 Tel 1 800 593 6372 Re Printed October 2011 ...

Page 3: ...a cold environment for the fire which causes creosote and poor combustion The Termovar insures a minimum return water temperature of 160 F in the boiler This increases efficiency helps prevent creosote and considerably extends the life of the boiler The Termovar helps create more efficient burning and is a recommended part of any boiler installation Please call Tarm Biomass with any questions 1 80...

Page 4: ......

Page 5: ...ur heating system design and installation should be done by a competent professional contractor NOTE Installation must be done in accordance with local ordinances which may differ in some ways from this owners manual Please note that the installation instructions refer to specific makes of controls and accessories Equivalent makes and models of these devices may be used successfully The installing...

Page 6: ... smoke and gas This combustion is extremely efficient and virtually smoke and creosote free The optimal and environmentally desirable combustion of wood with the highest efficiency demands the correct proportional mixture of gas from the wood and combustion air from the fan The heat is transferred to the boiler water by means of heat exchange tubes located behind the firebox and refractory combust...

Page 7: ...NCE It is also the responsibility of the user that the boiler be cleaned and maintained according to normal practice the instructions of this manual instructions for the controls or equipment and other circumstances described in the written warranty SAFETY If an unsafe condition occurs it is to be repaired as soon as possible by a qualified service person Outlets ventilating ducts fresh air condui...

Page 8: ... Intentionally left blank PAGE 4 4 ...

Page 9: ...ng the warmer months MAY VOID YOUR WARRANTY SEE PAGE 48 Do not use this boiler if any part has been under water Immediately call a qualified service technician to inspect the boiler and to replace any part of the control system and any gas control which has been under water Homeowners should read and familiarize themselves with BOILER OVERHEATING and OPERATING IN THE EVENT OF POWER FAILURE SEE PAG...

Page 10: ...indow slightly on a calm windless day d the house is quipped with a well sealed vapor barrier and tight fitting windows and or has any powered devices which exhaust in the house e there is excessive condensation on windows in the winter or f a ventilation system is installed in the house If these or other indications suggest that infiltration air is inadequate additional combustion air should be p...

Page 11: ...ion System 31 Hot Water Baseboard Heating 31 Overheat Loop 31 Termovar Tempering Valve 32 Radiant Floor Heat 33 Hot Air Heating 33 Filling Your Boiler 33 Operating Your Boiler Operational Overview 34 Before You Begin 34 Flue Gas Sensor and Time Delay 34 Aquastat Control Settings Winter 32 Operating Your Boiler Modes of Operation 36 37 Use of the By Pass Damper 37 Installing the 339N Thermometer 37...

Page 12: ...nsures maximum efficiency with either surrounds all sides of the firebox and fuel Easy accessibility for cleaning fire tubes for maximum heat transfer 1 4 inch Boiler Plate Steel Beckett Oil or Carlin Gas Burner The world s largest selling oil burner Oil efficiency of up to 86 is as good or better than most single fuel boilers Cast iron doors and door frame Enameled Jacket Maintenance free jacket ...

Page 13: ...FEATURES AND SPECIFICATIONS PAGE 9 9 ...

Page 14: ... standards and gives the name of the testing laboratory Clearance information also is printed on this label When the boiler is installed according to the information both on the label and in this manual local authorities in most cases will accept the label as evidence that the installation meets codes and can be approved IMPORTANT Failure to follow these installation instructions and guidelines ma...

Page 15: ...oiler is connected to a dirty or inadequate chimney it can present a serious fire hazard All chimneys and connections must conform to NFPA standard 211 Please read the following before connecting the boiler to the chimney No other appliance may be connected to the flue serving this wood boiler Consult your local building inspector for chimney requirements and install the boiler in accordance with ...

Page 16: ...etric Damper with a manual reset spill switch is required for a gas burner installation TURBULATORS may be added to the wood burning heat exchange tubes increasing heat exchange efficiency and restricting draft However there is some risk that turbulators will cause the exhaust gases to cool too much which will lead to undesirable condensation in the chimney connector and or flue Turbulators are us...

Page 17: ...parate flue for each of the wood fired and gas fired boiler sections In this case you will need two separate chimney flues and both rear the right side boiler flue collars Tarm USA has flue collars available should you need a second one The EXCEL has been tested and listed for use with a single chimney flue with either gas or oil backup but local code dictates what you will need to use Refer to th...

Page 18: ...ip Strips 3 DOOR BOX Loading Door Ash Door with viewing port By Pass Lever Bakelite Knob larger Secondary Air Bakelite Knob smaller Plastic Bag Containing Eight 8 Door Mounting Bolts Bakelite Handles for Doors 2 One 1 Can of Door Mounting Cement and Applicator Stovex 4 SAFETY CONTROL PACKAGE Boiler Pressure Relief Valve 10 102 05 30 psi Boiler Control Panel with Pre Wired Honeywell Controls Draft ...

Page 19: ...damage the donut gaskets on top 5 Locate the secondary air adjustment lever at top left corner of lower door opening and fold it out so it will protrude through the jacket opening when the jacket is assembled 6 It is not necessary to remove the wooden shipping braces on the boiler floor They will burn up within a few hours of initial firing 7 Install the Domestic Hot Water Coil if used optional Ja...

Page 20: ...ue outlet in its proper place prior to placing this panel NOTE You may use either the right or the rear flue outlet if you need separate flue outlets for each fuel contact Tarm USA Inc 7 Install rear jacket panel Prior to placing this panel remove the plug in tapping 4 if you are using it as your drain feed HINT Heating the plug prior to attempting to remove it will make the job much easier 8 Inst...

Page 21: ...ING DOOR SMOKE FLAP Tarm USA Inc recommends that the heavy C shaped smoke flap not be permanently installed in the door opening Doing so may damage the door over time If you have smoke spillage when loading wood place the smoke flap in the door opening and remove it before closing the door If your boiler is installed with a Heat Storage System you may be able to mount the smoke flap permanently wi...

Page 22: ...e front of the boiler Pressure and Temperature Gauge Install the pressure and temperature gauge by threading it into the threaded tapping above and to the left of the loading door Use a wrench to thread into the boiler Twisting the dial by hand will damage the gauge 4 Install the 10 102 05 30 psi Boiler Pressure Relief Valve supplied in safety package into tapping 3 rear of boiler Please note as p...

Page 23: ...__________________________________________________________________________________________________________________________________________________________________________________ View of Boiler Piping Includes Domestic Hot Water Coil 19 ...

Page 24: ... It is desirable to install unions external to the boiler in both the cold and hot water lines NOTE If a separate hot water heater will be used to heat domestic water during the warmer months cold water must be piped separately to the separate water heater not through the coil in the TARM boiler COLD WATER MUST NOT FLOW THROUGH THE TARM DOMESTIC COIL IF THE TARM BOILER IS UNHEATED CONDENSATION AND...

Page 25: ...ot Water Coil continued DOMESTIC HOT WATER PIPING WHEN A SEPARATE DHW HEATER IS USED IN THE SUMMER MONTHS IN SUMMER or when TARM boiler is shut down CLOSE Valve B and OPEN Valve A IN WINTER or when TARM boiler is in operation OPEN Valve B and CLOSE Valve A 21 ...

Page 26: ...ross the insulation on top of the boiler under the by pass damper rod and through the hole in the left side jacket panel Connect the brown wire from the fan to the F HOT terminal the blue fan wire to the N NEUTRAL terminal and the yellow and green stripe fan wire to the G GROUND terminal on the 120volt terminal strip inside the control panel 6 Mounting the Draft fan low temperature Flue Gas Sensor...

Page 27: ...__________________________________________________________________________________________________________________________________________________ CONTROL PANEL AND WIRING LAYOUT 23 Intentionally left blank__________________________________________________________ ...

Page 28: ...FIELD WIRING DIAGRAMS PAGE 24 ...

Page 29: ...24 WIRING SCHEMATIC FOR CONTROLS PAGE 25 ...

Page 30: ...This is an insert page 25 ...

Page 31: ...starts circulator C 3 when boiler temperature is up to this setting HI set at 200 F provides high back up temperature limit for all modes 2 7 In all aquastats DIFF set at 10 F is the operating differential for LO The operating differential for HI is fixed at 10 F 3 CONTROLS IN THE PANEL 3 1 Top switch provides on off control and resets the automatic backup mode 3 2 Bottom switch is the mode select...

Page 32: ...ich is controlled by the L8124C 4 2 Wood only mode This mode operates similarly to the auto backup mode The basic difference is that when the draft fan stops the backup burner does not start There are no changes for the items discussed in 4 1 1 and 4 1 2 above Once relay CR2 is activated CR2 N O contact 7 4 closes to lock relay CR2 on which may be reset by turning off the on off reset switch CR2 N...

Page 33: ...ox with each oil or gas burner In addition the following information is necessary and important Before installing the burner if necessary trim the hole in the burner door brick with a knife so that the burner can be inserted through the opening 120 Volt AC power feed for the oil or gas burner is wired to B and N terminals inside the boiler Control Panel The T terminals on the burner primary contro...

Page 34: ...83 can be expected Important Venting Instructions for EXCEL Boilers with Gas Burners A MULTI FUEL VENTING The EXCEL multi fuel boilers have the option of having two 2 separate flue collars one for wood burning and one for gas If 2 flue collars are used the plate positioned diagonally over the gas heat exchange tubes should be positioned and fixed vertically Use gasketing to fully seal and separate...

Page 35: ... capacity tank that can withstand this pressure will be expensive and in most cases difficult to get into a basement A pressurized system running at up to 30 lbs pressure will require a much heavier tank Tanks of 600 800 gallons designed to take this system pressure and with the ability to accept a domestic hot water heater exchanger will be expensive hard to handle and hard to find In addition an...

Page 36: ...liberate manual action If large enough an existing heating radiation zone may be used for the overheat loop if it is equipped with zone valves which will open automatically during a power failure We recommend the use of AUTOMAG automatic zone valves for this application TARM USA INC can supply these valves If large enough a heating zone under circulator control may also provide enough overheat cap...

Page 37: ...alve is to be mounted between the boiler and the heat load in the return pipe as shown in the diagram below Be careful to install the TERMOVAR with its 3 ports oriented correctly as per the diagram packed with the TERMOVAR and as shown below 2 When soldering near the valve be careful not to overheat the TERMOVAR thermostatic element 3 A ball valve for balancing flow should be installed in the re c...

Page 38: ...s can be used in a number of ways to provide hot air heating This can be done with existing forced hot air heating systems and in new construction Again your system installer and or your equipment supplier should supply the needed design and installation details FILLING YOUR BOILER Fill your Tarm EXCEL boiler and heating system in the conventional manner NOTE The boiler may be protected with antif...

Page 39: ...mation provided in this section can cause permanent damage to your boiler and void your warranty WARNING NEVER USE GASOLINE KEROSENE OR OTHER FLAMMABLE LIQUIDS TO START OR MAINTAIN SOLID FUEL FIRES IN YOUR BOILER SERIOUS BURNS OR PROPERTY DAMAGE MAY RESULT NOTE Do not be alarmed if you smell an unusual odor the first few times you fire the boiler This smell is due to burning of oil residues in the...

Page 40: ...F Temperature setting at which Circulator C 3 starts operating HI 200 F Backup high temperature limit for all modes DIFF 10 F Operating Differential Honeywell L8151A on optional heat storage tank Scale Setting Function LO 150 F Temperature setting at which oil or gas burner starts again after heat storage tank has been heated up to HI setting on L8151A and then cooled down HI 160 F Heat Storage Ta...

Page 41: ...es the 180 F Operating Temperature which trips the L8124C HI control or 3 The Smoke Temperature Sensor setting isn t achieved before the Time Delay Module time setting times out cutting power to the fan This will happen anytime the boiler runs out of wood fuel or anytime the wood fire is not hot enough to create a high enough temperature to activate the Smoke Temperature Sensor or if 4 The boiler ...

Page 42: ...n to 155 F L8151A LO setting minus the 10 F differential The wood combustion draft fan will remain off until reset To reset switch the boiler Control Panel power switch to the position OFF RESET and then back to ON A power failure will also reset this control USE OF THE BY PASS DAMPER The by pass damper must always be opened before opening the loading door This will minimize smoking and puff backs...

Page 43: ...ut rain and snow Always try to have two years supply on hand so that the wood you are burning has been cut split and stacked under cover for a year Some varieties of wood may take 1 years to dry adequately If you cut your trees in the spring or summer let them lie for a while until the leave wither They will draw moisture from the wood more quickly than if you limbed the trees immediately If you b...

Page 44: ...k operation of fan Make sure the fan air intake screen is clean and unobstructed Check the air damper operation see page 41 Check the primary air stop adjustment see page 41 Set the secondary air adjustment knob in the middle position see page 41 42 c Check the settings on the L8124C L6081A and L8151A aquastats see page 35 and adjust to the recommended values d Check the Low Temperature Flue Gas S...

Page 45: ...and fully out 2 Position the operation mode switch to wood burning only WOOD ONLY or wood burning with automatic backup AUTO BACK UP 3 Turn the control panel power switch to OFF RESET 4 Open the loading door and line the bottom of the firebox with several pieces of crumpled newspaper Place several pieces of kindling and small pieces of wood on top of the paper 5 Place 6 or 8 more crumpled sheets o...

Page 46: ...stop in front of the draft fan under the top front jacket panel Loosen the locking nut and turn the bolt in for less primary air lowering the flue temperature to approximately 600 F Tighten the locking nut when adjusted properly Secondary Air Adjustment Correct secondary air adjustment is essential for optimum combustion and efficiency Adjustment is by means of the bakelite knob on the front of th...

Page 47: ...und the ideal setting it should not be necessary to alter the secondary air adjustment unless you change your fuel If the secondary air setting is at its lowest and the flame still spills forward out of the combustion tunnel the primary air flow may need to be reduced see page 41 42 ...

Page 48: ...ots of hot coals and a red hot refractory which will continue to bake the wood creating a build up of hot gas in the firebox Any person dealing with a Tarm EXCEL needs to keep in mind that hot explosive gases may always be present These gases are hot enough to burn but without oxygen they can t If the draft fan is off for 15 20 minutes these gases will start to condense as creosote on the inner su...

Page 49: ... to the center on top of the kindling 7 Add enough firewood to carry the estimated heat load for the next 8 hours as per the Operational Procedures on page 45 which are very important 8 Close the load door and immediately turn ON the draft fan switch F Close and latch the by pass by pushing in and down forcefully so that the spring will keep it closed 9 HOWEVER if you find very few live coals left...

Page 50: ... 1 2 above are followed the by pass damper will open easily and won t be stuck shut with creosote 6 Maintain a high boiler temperature of at least 180 F 7 Clean the boiler frequently as per the instructions elsewhere in this manual see pages 51 and 52 Routine cleaning will help maintain boiler efficiency Accumulated ash and soot act as an insulator and reduce boiler heat exchange efficiency 8 Due ...

Page 51: ... and at the frequency that is necessary to maintain the desired water temperature range in the heat storage tank The desired tank temperature range is dependant on the temperature required to heat the home this varies with outside temperature heat loss type of heat distribution desired house temperature etc and the temperature required to heat the domestic household tap water During the coldest we...

Page 52: ...walls However this normally has no effect on the boiler and does not need to be removed unless you develop a build up of more than During combustion when the draft fan is running gases and smoke are created which make up the main part of the wood s heat value Formic and acetic acids and other gases are mixed with the right quantity of combustion air at very high temperatures producing combustion e...

Page 53: ...firebox If you have soft wood rather than hard wood you will need to load the boiler with more wood to realize the same heat As well the colder the weather the more full you will need to load the firebox As noted earlier in this manual if you are not using a heat storage tank you should load you EXCEL boiler at least 3 times a day and let the previous charge of wood burn down to low coals before l...

Page 54: ...ARM EXCEL BOILER IS EQUIPPED WITH A DOMESTIC HOT WATER COIL BE SURE THAT COLD WATER DOES NOT PASS THROUGH THE COIL WHEN THE BOILER IS SHUT DOWN This can cause excessive condensation on the boiler body and will void your warranty OPERATION DURING SUMMER WHEN A HEAT STORAGE TANK IS CONNECTED When the Tarm EXCEL is installed with a heat storage tank system from TARM USA INC it is feasible to heat all...

Page 55: ...s room thermostat for dump zone to dissipate excess heat HI 180 F Boiler Operating temperature for all Modes DIFF 10 F Operating Differential Honeywell L6081A on boiler Scale Setting Function LO 165 F Temperature setting at which Circulator C 3 starts operating HI 200 F Backup high temperature limit for all modes DIFF 10 F Operating Differential Honeywell L8151A on optional heat storage tank Scale...

Page 56: ...ashes should be placed in a steel container with a tightly fitting lid and moved outdoors Other trash shall not be placed in this container SMOKE BOX AND HEAT EXCHANGE TUBE CLEANING The smoke box the flue outlet and the heat exchange tube areas should be cleaned twice a month with the boiler brush Let the boiler cool and shut off the power switch Remove the cover plate under the rear top jacket pa...

Page 57: ...E PRIMARY AIR DUCTS The primary air ducts on each side of the loading door can very rarely get clogged with creosote due to a reversed chimney draft or improper firing Although this should not happen if it does the boiler will start to perform poorly and it will be necessary to clean the primary air ducts To clean the air ducts the load and ash doors along with the front jacket panel will need to ...

Page 58: ...out causing an over heat condition The on off cycling of the boiler is like that of an oil or gas boiler Should the water temperature rise excessively in the boiler as it absorbs heat the overheat control will cause circulation of heated water to the house even though the thermostat is not calling for heat This potentially wasteful overheating is most likely to occur during the Spring or Fall Befo...

Page 59: ... your information all Tarm EXCEL boilers are pressure tested to 60 psi at the factory NOTE TO PREVENT THE POSSIBILITY OF SERIOUS BURNS OR PROPERTY DAMAGE FROM THIS STEAM THE DISCHARGE TUBE FROM THE RELEASE VALVE MUST BE PIPED TO A POINT 6 FROM THE FLOOR OR TO A DRAIN The reason that steam rather than water is discharged is due to the fact that water under pressure can reach temperatures above 212 ...

Page 60: ...ng valve open it to the highest setting and then lock it into position If you have a Termovar thermostatic tempering valve on you boiler you must install an Automag normally open zone valve or comparable by pass to allow circulation in the even of a power failure 2 Open the by pass damper and remove the sight glass cover and the sight glass located on the ash door It is important to remember that ...

Page 61: ...of above possible Be sure to fire boiler so it heats to above 175 F 80 C after a cold start Creosote in Chimney By pass damper not fully closed smoke by passing combustion chamber Check by pass assembly adjust or clean as necessary A blockage in primary air ducts or openings Clean Smoke smell around boiler after combustion fan shuts off Down draft in chimney causing boiler to burn backwards thru p...

Page 62: ... turn house thermostat up so the boiler fan will operate more often Excessive smoke out of load door when loading Too much wood left in firebox from last stoking Load less wood Weak chimney draft Make chimney higher or warmer Use a stove pipe or chimney draft inducer Check with TARM USA AUTO MIX SYSTEMS Does not maintain house at set temperature Locking quadrant set too low for weather conditions ...

Page 63: ...TARM EXCEL CAUTION LABEL PAGE 58 58 ...

Page 64: ...TARM EXCEL LISTING LABEL PAGE 59 A copy of the O TL listing label for the H S Tarm Multi fuel Gasification Boiler Series 2000 also known as the Tarm EXCEL series is shown below 59 ...

Page 65: ...BOILER Parts List PAGE 60 60 ...

Page 66: ...BOILER Parts List PAGE 61 61 ...

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