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Summary of Contents for MorrHeat MHB280
- Page 1 Waste Oil Fired Boiler 280-480 Installation, operation and service instructions 120v Manual...
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Page 2: Table Of Contents
Page 31 Maintenance Page 32 Attention Page 34 Troubleshooting Page 35 Jacket Attachment Page 38 Parts List Page 40 Exploded View Page 41 Warranty Information - 10 Year Page 42 MorrHeat - Most Heat In The Industry - Rev 3/18/2019... -
Page 3: Important Information
When taking delivery of your equipment, please be sure to check the shipment for any potential damages (MorrHeat is not responsible for any damaged shipments if signed for non-damaged). If any damage is identified upon delivery, either sign for as damaged goods specifically noting in detail the apparent damage / or / refuse the shipment completely and be sure to file a claim with the shipping company immediately regardless of the damage. -
Page 4: Notice
Bad draft will cause over-fire or overheating due to bottling up the heat or creating back pressure back in to the heating unit. If black smoke is present, bad draft, bad combustion or both is occuring. MorrHeat - Most Heat In The Industry - Rev 3/18/2019... -
Page 5: Burner & Pump Specifications
PUMP ASSEMBLY Performance Ratings Voltage 120v Cycles 60Hz Total Operating Amperage (Pump Assy Only) Amps Electrical Operating Consumption (Pump Assy Only) Watts 241.5 Weight Oil Valve Amps 0.075 Pump Motor Amps MorrHeat - Most Heat In The Industry - Rev 3/18/2019... - Page 6 *** I-B-R Vent Diameter size is the pipe size used from boiler vent connector F to Termination of stub stack: Max Height 15' (For forced draft firing only). For chimney venting consult National Fuel Gas Code. MorrHeat - Most Heat In The Industry - Rev 3/18/2019...
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Page 7: Product Description
The boiler block (heat exchanger) is factory assembled using cast iron push nipples. This heat exchanger has horizontal flue passages through which the products of combustion make three distinct passes to maximize the heat transfer process. MorrHeat - Most Heat In The Industry - Rev 3/18/2019... -
Page 8: Inspect Shipment
Instruction manual f. Boiler rating tag and A.S.M.E. Tag g. Flame Sight Assembly h. (4) Spacers to secure back jacket panel. D. Box marked #3 a. Quadrant locking damper MorrHeat - Most Heat In The Industry - Rev 3/18/2019... -
Page 9: Before Install
8. The heating system design shall not permit the boiler's return water temperature to be lower than 130℉ for a significant period of time. This will prevent fireside corrosion and MorrHeat - Most Heat In The Industry - Rev 3/18/2019... -
Page 10: Boiler Room Air Requirment
FIG. 2 | RECOMMENDED BOILER ROOM VENTILATION & COMBUSTION AIR 12" Chimney Louvered Openings For Ventilation & Combustion Air Boiler 12" MorrHeat - Most Heat In The Industry - Rev 3/18/2019... - Page 11 33" 4 - 1/2" VENT CONNECTION BOILER MODEL DIMENSIONS" DIA" MHB280 MHB360 MHB480 Notes: Dimensions as per job specs, and applicable codes. Dimensions of burners other than shown, consult crown. MorrHeat - Most Heat In The Industry - Rev 3/18/2019...
- Page 12 FIG. 3 | CHIMNEY OR VENT SYSTEM The MorrHeat boilers operates with positive pressure throughout the boiler furnace and flue passages. The over-fire pressure will vary according to boiler size. Consult local building codes for proper installation of vent system relative to the fuel being burned.
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Page 13: Venting Installation
4. Keep the draft moving. If draft is too slow or bottles up, this could create a back draft and over-fire or over heat the unit. If a damper is present, losing the damper will increase draft make sure passageways are clean and clear. MorrHeat - Most Heat In The Industry - Rev 3/18/2019... -
Page 14: Fuel Supply Lines
Once connections are secure, continue the fuel line from the fuel pump assembly to the burner assemble. MorrHeat - Most Heat In The Industry - Rev 3/18/2019... - Page 15 2. Connect feed water and piping system to boiler. Perform appropriate Hydrostatic test in accordance with A.S.M.E. cod and authorities jurisdiction. 3. Attach quadrant locking damper and seal with High Temperature silicone sealant. MorrHeat - Most Heat In The Industry - Rev 3/18/2019...
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Page 16: Boiler Assembly & Wiring
When the burner is field installed the installer must fil in the space between the burner blast tube and the insulation black o the inside of the burner door with refractory mix provided. MorrHeat - Most Heat In The Industry - Rev 3/18/2019... - Page 17 (assuming the high limit is not open). Zone valve terminal TH/TR has no internal connection on the zone valve, it is merely a "binding post" used to connect two or more wires. MorrHeat - Most Heat In The Industry - Rev 3/18/2019...
- Page 18 Example 1. Example 2. MorrHeat - Most Heat In The Industry - Rev 3/18/2019...
- Page 19 MorrHeat - Most Heat In The Industry - Rev 3/18/2019...
- Page 20 (Factory Boiler Wiring Not Shown - Fig 33 | Fig 34) Fig. 36 Wiring Diagram, Circulator Zone Wiring Using Honeywell R845A's (Factory Diagram Wiring Not Shown - See Fig 33 | 34) MorrHeat - Most Heat In The Industry - Rev 3/18/2019...
- Page 21 SHUTOFF VALVE INLET FROM TANK BURNER CHECK VALVE STRAINER POWER FLAME FUSIBLE VALVE CHECK VALVE PUMP SET ADDITIONAL BURNER CHECK VALVE AS REQUIRED CIRCULATING OIL RESERVOIR (4* X 36" STANDPIPE) MorrHeat - Most Heat In The Industry - Rev 3/18/2019...
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Page 22: Boiler Assembly & Installation
12MM X Washer Supply Manifold Flange Gasket 12MM Washer FIG. 11 | RETURN DIFFUSER INSTALLATION 12MM Washer Boiler Return Port 12MM X 50MM Stud Flange Gaskets Return Flange Diffuser Slots 12MM Nut MorrHeat - Most Heat In The Industry - Rev 3/18/2019... -
Page 23: Oil Burner Technology
Oil Burner Technology MorrHeat’s waste oil burner technology improves the efficiency of the oil burn process by continuously burning the waste oil with no interuptions. The waste oil enters into the Oil Pre-Heater Block and is pre-heated to a specific temperature setpoint. -
Page 24: Oil Burner Components
Block and controls safety feature of not allowing burner to energize until oil has established operating temperature setpoint or shutdown burner if Pre-Heater Block temperature falls below shutdown temperature setpoint. MorrHeat - Most Heat In The Industry - Rev 3/18/2019... - Page 25 Power Indicator: Indicates when power is present at the burner. • Run Indicator: Indicates that the burner is ready for operation after the initial pre-heat, this process could take 3-4 minutes to pre-heat the system. MorrHeat - Most Heat In The Industry - Rev 3/18/2019...
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Page 26: References (Nozzle|Electrode|Burner & Pump)
Electrodes Nozzle Thermocouple 3/16 even between Electrodes Pre-Heater Control Board Burner & Pump Assembly Transformer Oil Primary Fuel Pump Solenoid Valve Flame Cone Fuel Filter with housing Air Band Nozzle MorrHeat - Most Heat In The Industry - Rev 3/18/2019... -
Page 27: Boiler Start-Up & Adustments
12 to 14 psi range. If the pressure is over 14 psi drain a little water out with the drain cock. Watch gauge for a few minutes to ensure pressure does not build back up. If the pressure is too high with MorrHeat - Most Heat In The Industry - Rev 3/18/2019... -
Page 28: Filling Boiler
2. Purge air from boiler and system. Caution Never purge system while boiler is in operation, also never run cold water into a hot/empty boiler MorrHeat - Most Heat In The Industry - Rev 3/18/2019... -
Page 29: Burner Startup - All Fuels
9. After burner has been adjusted and while it is operating, check front door for leakage of the flue gas. Should leakage occur, tighten door closure bolts. Also adjust door hinge bolts. MorrHeat - Most Heat In The Industry - Rev 3/18/2019... -
Page 30: Prevention
Propylene Glycol. DO NOT use automotive type antifreeze. Follow antifreeze manufacturer's directions for quantity. A 50% solution provides protection to -30 degree F. For boiler water content see page 11. MorrHeat - Most Heat In The Industry - Rev 3/18/2019... -
Page 31: Initial Start Procedure
CHAMBER UPON RESTART CAN CAUSE A BACKFIRE IN THE COMBUSTION CHAMBER. IF TOO MUCH OIL IS PRESENT, IT IS RECOMMENDED TO CLEAN OR WIPE UP AS MUCH AS POSSIBLE BEFORE A RESTART TO AVOID THIS FROM HAPPENING. MorrHeat - Most Heat In The Industry - Rev 3/18/2019... -
Page 32: Maintenance
• Check the vanes and carbon plates for any chips, cracks or wear within the onboard air compressor, replace vanes and carbon plates if needed. The cleaner the unit, the better it performs and longer it lasts! MorrHeat - Most Heat In The Industry - Rev 3/18/2019... - Page 33 It is important that the boiler be cleaned immediately after shut-down and while the cast iron is still warm, firstly because the deposits are more readily removed, and secondly, hardened deposits will absord moisture and will cause corrosion. MorrHeat - Most Heat In The Industry - Rev 3/18/2019...
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Page 34: Attention
This will absorb moisture and keep the heat transfer surfaces dry. When calcium chloride becomes mushy, replace with new. C. Block door approximately 1/4 open. MorrHeat - Most Heat In The Industry - Rev 3/18/2019... -
Page 35: Troubleshooting
2. The relief valve may be defective, or it may have foreign material lodged on the seat. MorrHeat - Most Heat In The Industry - Rev 3/18/2019... - Page 36 ▼ Out of fuel combustion chamber a clear, not orange ▼ No oil to burner ▼ Refill storage ▼ Clean pump screen - remove pump cover. Using vent port, re-prime pump. MorrHeat - Most Heat In The Industry - Rev 3/18/2019...
- Page 37 If a third party is involved MorrHeat is not responsible for any fee associated with the service provided by a third party.
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Page 38: Jacket Attachment
11. Remove sight glass plug in front door and install sight glass assembly (023, 025, 026, 048). 12. Attach ASME tag and boiler rating tag at top left of rear jacket panel. MorrHeat - Most Heat In The Industry - Rev 3/18/2019... - Page 39 Setscrew AF 17 rear jacket panel, spacer piece Center Panel Rear insulating mat Right Rear Panel Top Panel Left Rear Panel Right Side Panel Insulating mat for boiler shell Left Side Panel Upper front trim panel MorrHeat - Most Heat In The Industry - Rev 3/18/2019...
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Page 40: Parts List
056 Seal 94x65x2 (flange gasket) 062 Clean-out cover 064 Packing cord 8 mm dia (2.6 in long) Retarder 3rd pass (tubetype) FW-6 to FW-9 100 Smoke collar transition with quad locking damper MorrHeat - Most Heat In The Industry - Rev 3/18/2019... -
Page 41: Exploded View
Exploded View MorrHeat - Most Heat In The Industry - Rev 3/18/2019... -
Page 42: Warranty Information - 10 Year
Warranty is valid from the date of delivery and warranty card must be sent in to MorrHeat within 30 days of delivery date. MorrHeat is not responsible for damaged goods. Please check your shipment for any damages. If damages are apparent, either sign for the shipment as damaged goods and file a claim immediately or refuse the shipment and file a claim immediately. - Page 43 If return is deemed necessary for warranty evaluation and determination of repair or replacement, unit boiler is to be sent to MorrHeat with freight prepaid. MorrHeat reserves the right to determine appropriate action for repair or replacement.
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