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Summit SMB-200 Installation, Operating And Maintenance Instructions

Condensing modulating boiler/ condensing modulating water heater
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Installation, Operating and Maintenance Instructions
FOR YOUR SAFETY: This product must be installed and serviced by a professional service technician,
qualified in hot water boiler and heater installation and maintenance. 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.
WARNING
If the information in this manual is not followed
exactly, a fire or explosion may result causing
property damage, personal injury or loss of life.
Do not store or use gasoline or other flammable
vapors and liquids in the vicinity of this or any other
appliance.
WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electrical switch; do not use
any phone in your building.
• Immediately call your gas supplier from a nearby
phone. Follow the gas supplier's instructions.
• If you cannot reach your gas supplier, call the fire
department.
Installation and service must be performed by a
qualified installer, service agency, or gas supplier.
To the Installer: After installation these instructions must
be given to the homeowner or left on or near the appliance.
To the User: This booklet contains important information
that will help you in maintaining and operating this heater.
Please retain it for future reference.
Installation,
Operation and
Maintenance
Instructions for
SUMMIT
Condensing Modulating Boiler
Models SMB-200, SMB-250
Condensing Modulating Water Heater
Models SMW-200, SMW-250
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 blessure
ou la mort.
Ne pas entreposer ni utiliser d'essence ni d'autres
vapeurs ou liquides inflammables dans le voisinage
de cet appareil ou de tout autre appareil.
QUE FAIRE SI VOUS SENTEZ UNE ODEUR DE GAZ:
• Ne pas tenter d'allumer d'appareils.
• Ne touchez à aucun interrupteur. Ne pas vous
servir des téléphones dansle bâtiment où vous
vous trouvez.
• Appelez immédiatement votre fournisseur de gaz
depuis un voisin. Suivez les instructions du
fournisseur.
• Si vous ne pouvez rejoindre le fournisseur de
gaz, appelez le sservice des incendies.
L'installation et l'entretien doivent être assurés par un
installateur ou un service d'entretien qualifié ou par le
fournisseur de gaz.
À l'installateur : Après l'installation, ces instructions
doivent être remises au propriétaire de la maison ou
demeurer près de l'appareil.
Document 1163D

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Summary of Contents for Summit SMB-200

  • Page 1 Maintenance Instructions for SUMMIT Condensing Modulating Boiler Models SMB-200, SMB-250 Condensing Modulating Water Heater Models SMW-200, SMW-250 FOR YOUR SAFETY: This product must be installed and serviced by a professional service technician, qualified in hot water boiler and heater installation and maintenance. Improper installation and/or operation could create carbon monoxide gas in flue gases which could cause serious injury, property damage, or death.

  • Page 2: Table Of Contents

    Warning Label ..........18 Warranty ............4 Anti-Freeze ..........19 Materials Installer Must Provide ....4 6.1.1 Summit Boiler Low Temperature Feature ..19 Unpacking ............. 4 6.1.2 Anti-Freeze Boiler Additives ......19 Locating the SUMMIT Appliance ....4 Anti-Freeze SMW-200/250 Water Heater ... 19 Locating Appliance for Correct Filling the System ........

  • Page 3: General Information

    Experience has shown that most operating problems are caused 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.

  • Page 4: Warranty

    The carrier, not the shipper, is responsible for shortages and damage to the shipment 1.4 Unpacking whether visible or concealed. The SUMMIT appliance is shipped in a single crate with the following standard components on top 1.3 Materials Installer Must Provide of the appliance.

  • Page 5: Locating Appliance For Correct Vent Distance From Outside Wall Or Roof Termination

    Service Access pipe runs to the terminal from the appliance. Since the Surface Material Clearance SUMMIT appliance is designed to drain any water U. S./Canada U. S. Canada that collects in the vent, it is important that you do not Left Side 1"...

  • Page 6: Locating Vent Openings On Outside Wall

    If the appliance must be installed with longer Whenever possible, locations under windows or piping runs, then the larger diameter tubing must be near doors should be avoided. Because the SUMMIT used. Calculate the necessary pipe diameter for the is a condensing appliance, steaming at the flue installation using Table 3.

  • Page 7: Gas Connections

    NOTE: The SUMMIT appliance and all other system at test pressures in excess of 1/2 PSIG gas appliances sharing the gas supply line must be (3.45kpa).

  • Page 8: Section 4A

    It is recommended that padding be used when rigid hangers are installed. event of pressure relief. SUMMIT boilers must not be direct connected Install an air purger, an air vent, a diaphragm to a heating system utilizing oxygen permeable tubing, type expansion tank, and a hydronic flow check (see warranty).
  • 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: Return Connections

    4A.2 Return Connections with appropriate valves to prevent the chilled medium Install a strainer between the SUMMIT boiler from entering the boiler. and the system. The boiler piping system of a hot water heating Connect the 1¼"...
  • Page 11 SUMMIT BOILER OR WATER HEATER Page 11 Figure 11. Wiring Diagram. system resulting from the piping sliding in the from the relief valve will be conducted to a hangers. It is recommended that padding be used suitable place for disposal when relief occurs.
  • Page 12 LAARS HEATING SYSTEMS Page 12 Figure 12. Single Summit Water Heater and Storage Tank. Figure 13. Two Temperature System.

  • Page 13: Combined Water (Potable) Heating And Space Heating (Smw-200/250 Only)

    SUMMIT BOILER OR WATER HEATER Page 13 Figure 14. Multiple Summit Water Heaters and Storage Tanks. When the system requires water for heating Hot Water Supply Piping at temperatures higher than required for other Follow the tank manufacturer’s guidelines for uses, an anti-scald mixing or tempering valve shall completion of the hot water system connections.

  • Page 14: Electrical Connections

    LAARS HEATING SYSTEMS Page 14 Figure 15. Typical Installation. Single pole switches, including those of safety controls and protective devices must not be wired in a grounded line. All electrical connections are made in the field wiring box that is located on the left side of the appliance.

  • Page 15: Temperature Control - Smb-200/250

    SUMMIT BOILER OR WATER HEATER Page 15 5.3.2 Tank Temperature Control 5.2 Temperature Control The SMW-200/250 is turned on and off by a SMB-200/250 Boiler remote tank aquastat. Locate the aquastat above the NOTE: Connect boiler T-T wires to isolated cold water inlet fitting in the separate storage tank.
  • Page 16 LAARS HEATING SYSTEMS Page 16 Figure 18. Wiring Diagram.

  • Page 17: Operating Instructions

    SUMMIT BOILER OR WATER HEATER Page 17 SECTION 6. Operating Instructions FOR YOUR SAFETY READ BEFORE OPERATING WARNING If you do not follow these instructions exactly, a fire or explosion may result, causing property damage, personal injury or loss of life.

  • Page 18: Warning Label

    LAARS HEATING SYSTEMS Page 18 Section 6. Notice d’utilisation PAR MESURE DE PRUDENCE, LISEZ CE QUI SUIT AVANT DE FAIRE FONCTIONNER L’APPAREIL AVERTISSEMENT Si vous ne suivez pas ces instructions à la lettre, un incendie ou une explosion pourrait se produire et causer des dommages matériels, des blessures personnelles ou même la mort.

  • Page 19: Anti-Freeze

    39°F (4°C). If this condition is recognized, the Summit pump will run for 5 minutes, or until the 6.1.1 Summit Boiler Low Temperature heater outlet temperature reaches 45°F (7°C). If the Feature heater outlet temperature remains below 45°F (7°C)

  • Page 20: Operating The Burner And Set Up

    LAARS HEATING SYSTEMS Page 20 ignite, the burner control will lock out and The Summit will enter the start sequence. The display [LO] (see Figure 19). blower and pump come on for pre-purge, then the ignitor warmup sequence starts and finally, If the display remains at [OFF], press the on/off the gas valve opens.

  • Page 21: Mode And On/Off Buttons Operation

    SUMMIT BOILER OR WATER HEATER Page 21 Message Identifies To read or change mode Appliance Discharge Temp During operation display will default to supply (Supply) temperature. Appliance in standby mode: will operate on call for domestic water or heat zone demand.

  • Page 22: Maintenance

    Sceller toutes les ouvertures non utilisées du required, per the instructions on the pump. The système d’évacuation. internal pump in the SUMMIT appliance is water lubricated and requires no lubrication. Inspecter de façon visuelle le système d’évacuation pour déterminer la grosseur et If a strainer is employed in a pressure reducing l’inclinaison horiztonale qui conviennent et...

  • Page 23: Appliance Maintenance And Component Description

    SUMMIT BOILER OR WATER HEATER Page 23 Ignition/Water temperature control Automatic gas valve Internal Pump Low water cutoffs, if installed, should be inspected and flushed periodically. WARNING Do not use this appliance if any part has been under water. Immediately call a qualified service...

  • Page 24: Safety Limit Switch

    LAARS HEATING SYSTEMS Page 24 ADJUSTMENT OF THE OFFSET PRESSURE For sequence of operation, see Section 8.1 MUST ALWAYS BE DONE WITH THE Sequence of Operation. APPLIANCE AT FULL OUTPUT. Note: During the prepurge cycle, the gauge will Caution indicate several inches W.C. negative pressure. Ignitor gets hot.

  • Page 25: Cleaning The Primary Heat Exchanger Coil

    When finished cleaning with the must be isolated from the SUMMIT water heater compressed air, use a ‘shop vac’ to remove loose also.

  • Page 26: Trouble Shooting

    FL1 is the most recent fault. that should start only on a call for heat from a tank NOTE: If the Summit is in a lockout condition, aquastat, room thermostat, zone valve end switch or (LO appears on the display), then the problem is other space temperature control device.

  • Page 27: Resolving Lockouts (Lo)

    (during prepurge) and should become 8.5 Resolving Lockouts (LO) less negative (-0.01 in. w.c.) when the gas valve Lockout will show as [LO] on the Summit opens and gas flow starts. If the pressure remains display. Lockout conditions are not associated with at ~ -2 in.

  • Page 28: Power Up Fault Tree

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

  • Page 29: System Temperatures Fault Tree

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

  • Page 30: Water/Space Heating Fault Tree

    LAARS HEATING SYSTEMS Page 30 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: Ignition Fault Tree

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

  • Page 32: Gas Valve Regulation

    Magnehelic® pressure gage. 8.7 Short Cycling SMB-200/250 Boiler SECTION 9. Because the Summit is a modulating boiler and Replacement Parts its input will decrease when there is a reduction in heating load, short cycling is greatly reduced. If the...
  • Page 33 SUMMIT BOILER OR WATER HEATER Page 33 Figure 21. Parts Identification.
  • Page 34 LAARS HEATING SYSTEMS Page 34...
  • Page 35 SUMMIT BOILER OR WATER HEATER Page 35...
  • Page 36 Waterpik Technologies, Inc. 6000 Condor Drive, Moorpark, CA 93021 • 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.

This manual is also suitable for:

Smb-250Smw-200Smw-250

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