Summit SMB-200 Installation, Operating And Maintenance Instructions Download Page 16 | Manualshive

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Page 16

LAARS HEATING SYSTEMS

Figure 18. Wiring Diagram.

SUMMIT SMB WIRING DIAGRAM

Caution

Label all wires prior to disconnection when servicing

controls. Wiring errors can cause improper and

dangerous operation.

Verify proper operation after operation servicing.

ATTENTION

Au moment de l’entretien des commandes,

étiquetez tous les fils avant de les débrancher. Les

erreurs de câblage peuvent nuire au bon

fonctionnement et être dangereuses.

S’assurer que l’apperiel fonctionne adéquatement

une fois l’entretien terminé.

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Summary of Contents for SMB-200

Page 1: ...ce Improper installation and or operation could create carbon monoxide gas in flue gases which could cause serious injury property damage or death Improper installation and or operation will void the warranty AVERTISSEMENT Assurez vous de bien suivres les instructions données dans cette notice pour réduire au minimum le risque d incendie ou d explosion ou pour éviter tout dommage matériel toute bl...

Page 2: ...ank Temperature Control 15 5 4 Wiring Diagram 15 SECTION 6 Operating Instructions Warning Label 18 6 1 Anti Freeze 19 6 1 1 Summit Boiler Low Temperature Feature 19 6 1 2 Anti Freeze Boiler Additives 19 6 2 Anti Freeze SMW 200 250 Water Heater 19 6 3 Filling the System 19 6 4 Operating the Burner and Set Up 20 6 5 Mode and On Off Buttons Operation 21 6 6 Common Vent Test 21 SECTION 7 Maintenance 7...

Page 3: ... by improper installation Direct vent sealed combustion The SUMMIT appliance does not and should not get combustion air from inside the building All combustion air is drawn in from outdoors through a 3 inch or 4 inch diameter plastic pipe PVC ABS or CPVC pipe is used for air intake EXHAUST VENTING may only be done in CPVC or AL29 4C Stainless Steel Venting Systems that comply with UL Standard 1738...

Page 4: ...less steel complying stainless steel complying with UL Std 1738 with UL Std 1738 Acceptable Exhaust Vent Material Model 200 Model 250 3 inch or 4 inch PVC 3 inch or 4 inch CPVC schedule 40 pipe per schedule 40 or 80 pipe per ASTM D 1785 std ASTM F441 std 3 inch or 4 inch PVC DWV 3 inch or 4 inch AL29 4C pipe per ASTM D 2665 std stainless steel complying with UL Std 1738 3 inch or 4 inch ABS DWV pi...

Page 5: ...quired to be installed Example 8 of pipe 2 x 45 elbows and a 90 elbow Equivalent Feet 8 2 x 5 1 x 10 28 If a 4 pipe size is used to permit longer vent runs the installer must supply 4 hubless couplings 2 and 3 x 4 bushings 2 to adapt to the appliance fittings The supplied vent terminals may be used with 3 diameter pipes through the outside wall Reducing couplings should be located inside the outsi...

Page 6: ...ery or other obstructions that would block or restrict the exhaust Figure 5 Multiple Units Minimum Vent Terminal Separation 2 2 Installing Vent Piping Terminals The appliance is provided with intake and exhaust terminals for use with 3 diameter plastic pipe If AL29 4C stainless steel venting materials that comply with UL 1738 Standard are used the terminals for that system shall be used and suppli...

Page 7: ...local requirements 5 Install drip leg and ground joint union Figure 6 6 All threaded joints should be coated with piping compound resistant to action of liquefied petroleum gas 7 The SUMMIT appliance and its individual shutoff valve must be disconnected from the gas supply piping during any pressure testing of that system at test pressures in excess of 1 2 PSIG 3 45kpa It must be isolated from the...

Page 8: ...ing oxygen permeable tubing see warranty Provide a water to water heat exchanger between systems to prevent corrosion of internal pump pump flanges buffer tank if installed or other components THE SUMMIT BOILER MUST BE CONNECTED IN A PRIMARY SECONDARY TYPE SYSTEM OR WITH A FULL SIZED BYPASS 1 Connect the 1 supply connection on the appliance to the system bypass Size the combined length of supply a...

Page 9: ...SUMMIT BOILER OR WATER HEATER Page 9 Figure 8 Radiant and Baseboard Heat with More Than Three Zones Figure 9 Indirect Tank as Buffer with Potable Water Storage Tank ...

Page 10: ...tion system must be installed so the chilled medium is piped in parallel with the boiler with appropriate valves to prevent the chilled medium from entering the boiler The boiler piping system of a hot water heating boiler connected to heating coils located in air handling appliances where they may be exposed to refrigerated air circulation must be equipped with flow control valves or other automa...

Page 11: ...f the SMW 200 250 cabinet 2 Pipe the outlet from the relief valve located on top of the appliance such that any discharge from the relief valve will be conducted to a suitable place for disposal when relief occurs Do not reduce line size or install any valves in this line The line must be installed to allow complete drainage of both the valve and the line 3 Install a shut off valve in the piping b...

Page 12: ...Page 12 LAARS HEATING SYSTEMS Figure 12 Single Summit Water Heater and Storage Tank Figure 13 Two Temperature System ...

Page 13: ...able water used for space heating This water heater when used to supply potable water shall not be connected to any heating system or component s previously used with a non potable water heating appliance When the system requires water for heating at temperatures higher than required for other uses an anti scald mixing or tempering valve shall be installed to temper the water for those uses in ord...

Page 14: ... Canada Do not rely on the gas or water piping to ground the metal parts of the boiler Plastic pipe or dielectric unions may isolate the boiler electrically Service and maintenance personnel who work on or around the boiler may be standing on wet floors and could be electrocuted by an ungrounded boiler Figure 16 Condensate Drain Tube Outlet Figure 17 Field Wiring NOTE All internal electrical compo...

Page 15: ...ns or other temperature controlled devices DO NOT JUMPER 5 3 2 Tank Temperature Control The SMW 200 250 is turned on and off by a remote tank aquastat Locate the aquastat above the cold water inlet fitting in the separate storage tank The SMW 200 250 draws water off the bottom of the tank and pumps hot water back into the tank When the hot water level reaches the level of the aquastat the aquastat...

Page 16: ...ing errors can cause improper and dangerous operation Verify proper operation after operation servicing ATTENTION Au moment de l entretien des commandes étiquetez tous les fils avant de les débrancher Les erreurs de câblage peuvent nuire au bon fonctionnement et être dangereuses S assurer que l apperiel fonctionne adéquatement une fois l entretien terminé ...

Page 17: ...e appliance area for gas Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electric switch do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call ...

Page 18: ...l appareil Vérifiez s il n y a pas d odeur de gaz près du plancher car le gaz est plus lourd que l air et peut se déposer sur le plancher QUE FAIRE EN CAS D ODEUR DE GAZ N essayez pas d allumer n importe quelque appareil que ce soit Ne touchez pas à un commutateur électrique N utilisez pas le téléphone de votre résidence Appelez immédiatement votre fournisseur de gaz en utilisant le téléphone de v...

Page 19: ... After three attempts to 6 1 Anti Freeze SMB 200 250 Boilers Proper precautions for freeze protection are recommended for boiler installations in areas where the danger of freezing exists 6 1 1 Summit Boiler Low Temperature Feature Summit boilers are equipped with a Low Temperature control feature that recognizes when the water temperature at the outlet of the boiler has fallen below 39 F 4 C If t...

Page 20: ...pre purge then the ignitor warmup sequence starts and finally the gas valve opens If ignition doesn t occur and display indicates LO check that there is proper gas supply Wait 5 minutes and depress the reset button to re start ignition If ignition still does not occur and the display indicates LO remove the front cover and turn the venturi throttle adjustment screw counter clockwise four full turn...

Page 21: ...existing boiler the following steps shall be followed with each appliance remaining connected to the common venting system placed in operation while the other appliances remaining connected to the common venting system are not in operation 1 Seal any unused openings in the common venting system 2 Visually inspect the venting system for proper size and horizontal pitch and determine there is no blo...

Page 22: ...mer les registres des cheminées 4 Mettre l appareil inspecté en marche Suivre les instructions d allumage Régler le thermostat de façon continue 5 Faire fonctionner le brûleur principal pendant 5 min ensuite déterminer si le coupe tirage déborde à l ouverture de décharge Utiliser la flamme d une allumette ou d une chandelle ou la afumée d une cigarette d une cigare ou d une pipe 6 Une fois qu il a...

Page 23: ... 2 1 Offset and Throttle Adjustment If poor combustion is suspected because of a strong exhaust smell pulsation in the exhaust or nuisance flame failure lockouts the gas valve throttle and offset pressure and exhaust CO2 or O2 should be checked and adjusted if required A Magnehelic pressure gauge with 0 02 in W C divisions and a CO2 or O2 tester are required for this adjustment CO2 or O2 sampling ...

Page 24: ... directly to the circuit board J5 terminal If the ignitor fails and the assembly must be replaced always install a new ignitor gasket with the replacement assembly For sequence of operation see Section 8 1 Sequence of Operation Caution Ignitor gets hot 7 2 6 Transformer The control transformer accepts 120 VAC line voltage and provides 40 VA of 24 VAC control voltage for the boiler control ONLY It ...

Page 25: ...ic line appears to be full of condensate water loosen the nut on the appliance jacket that retains the line and remove the line from the fitting Remove the obstruction from the line replace the line and tighten fitting 7 2 13 Routine Deliming Procedure SMW 200 250 Water Heater WARNING Use proper protective equipment as specified by the supplier of the deliming solution when performing this procedu...

Page 26: ...it appliance is controlled by a Pactrol integrated control PCB which provides six fault codes with eight memories To obtain previous fault messages press on the message center fault button until the first fault code FL1 is displayed The last recorded fault will appear e g F 4 appliance discharge thermistor faulty open or shorted The control will then sequence through all eight memories indicating ...

Page 27: ... 20 seconds after the start of the cycle the GV LED on the PCB should light If it does not reset the boiler and check for 24 VAC at the plug on the PCB If the voltage is less than 20 VAC and transformer voltage is 24 VAC replace the PCB If the voltage is correct connect a pressure gauge to the offset pressure port on the gas valve Reset the boiler and observe the offset pressure at startup and aft...

Page 28: ...Page 28 LAARS HEATING SYSTEMS POWER UP FAULT TREE ...

Page 29: ...SUMMIT BOILER OR WATER HEATER Page 29 SYSTEM TEMPERATURES FAULT TREE ...

Page 30: ...Page 30 LAARS HEATING SYSTEMS WATER SPACE HEATING FAULT TREE NOTE The word Thermostat is used for all space heating control contacts such as zone valve end switches circulator relay contacts etc ...

Page 31: ...SUMMIT BOILER OR WATER HEATER Page 31 IGNITION FAULT TREE ...

Page 32: ...ation it is probably caused by undersized piping between the water heater and the Storage Tank or by some other factor that restricts proper water flow through the water heater The cause should be determined and corrected 8 9 High Gas Consumption Appliances operating with an improper air fuel ratio are very inefficient and consequently have very high gas consumption Because efficiency is high when...

Page 33: ...SUMMIT BOILER OR WATER HEATER Page 33 Figure 21 Parts Identification ...

Page 34: ...Page 34 LAARS HEATING SYSTEMS ...

Page 35: ...SUMMIT BOILER OR WATER HEATER Page 35 ...

Page 36: ...805 529 2000 FAX 805 529 5934 20 Industrial Way Rochester NH 03867 603 335 6300 FAX 603 335 3355 480 S Service Road West Oakville Ontario Canada L6K 2H4 905 844 8233 FAX 905 844 2635 www laars com Litho in U S A Laars Heating Systems 0310 Document 1163D H2212100D ...

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