Crown Boiler MWC Series, MWC116ENL, MWC116ELL manual 34a Dimension L, 80/125mm Horizontal Terminal

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5)80/125mm Horizontal Terminal Installation -

a)Cut a 5-1/2” diameter hole through the exterior wall at the planned location of the horizontal terminal.

b)Measure distance “L” from the outside surface of the exterior wall to the end of the last fitting as shown in Figure 7.34a.

c)Add 1-1/4” to distance “L”. Carefully mark this length on the pipe as shown in Figure 7.34b.

d)Remove the inner pipe from the terminal, by gently pulling on it from the male end. Set aside.

e)Cut the outer pipe only at the point marked in Step (c) using aviation shears, a hacksaw, or an abrasive wheel cutter. Be careful to cut the pipe square. De-burr the cut end with a file or Emory cloth.

f)Reinstall the inner pipe in the terminal, making sure that the female end of this pipe is completely bottomed out over the aluminum male connection visible behind the air intake grill. Place a mark on the inner pipe 3/8” beyond the end of the outer pipe (Figure 7.34c). Use a fine tooth hacksaw to cut the pipe and be careful to cut the pipe square (if necessary, the pipe can be removed from the terminal again for cutting). De-burr the cut edge of the pipe with a file, razor blade, or fine sandpaper.

g)Make a mark on the terminal section 1” from the cut end of the outer pipe as shown in Figure 7.34c.

h)Slip the terminal section through the wall from the outside. Pass the terminal through the inner wall plate and push into the last section of vent pipe until the mark made in Step (g) is not longer visible (Figure 7.34d). Secure the terminal to the last piece of pipe with three #10 x 1/2” sheet metal screws. Drill a 1/8 hole through both outer pipes to start these screws. Use a drill stop or other means to ensure that the drill bit does not penetrate more than 3/8” into the outer pipe. Do not use a sheet metal screw longer than 1/2”.

i)Slip the outer wall plate over the terminal and secure to the wall (Figure 7.34d). Apply a 1/8” bead of weather resistant RTV over the joint between the outside wall plate and the terminal. Secure the other wall plate to the inside wall.

Figure 7.34a: Dimension “L”, 80/125mm Horizontal Terminal

Figure 7.34b: Cutting Outer Pipe Of 80/125mm Horizontal Terminal

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Contents MWC Series Page Table of Contents Product Description Key ComponentMWC Boiler Principle Components Maximum Vent Lengths II SpecificationsRatings Other SpecificationsIII Before Installing Clearances To Combustible Or Non-combustible Material Mounting The Boiler Wall Mounting Hole Locations Boiler Mounting VI Air for Ventilation Page VII Venting Vent System DesignPage Horizontal Concentric Venting Vent Options 3a Crown Concentric 60/100 Vent Components Vent Options 1,2 3b Crown Concentric 80/125 Vent Components Vent Options 3,54c Positioning Vent Terminal Under Overhangs Vent/ Air Intake Fitting Equivalent Length Vertical Concentric Vent System Vent Option Removing an Existing Boiler From a Common Chimney All cuts are square and allow for proper insertion 21 Dimension L 22 Cutting Outer Pipe 25 Attaching 60/100mm Terminal Section 30 Installation Of 80/125 Adaptor On Boiler 31a Cuttable Straight Section 32 Cutting Straight Pipe 33a Joining Cuttable Pipe 34a Dimension L, 80/125mm Horizontal Terminal 34c Cutting Inner Pipe Of 80/125mm Horizontal Terminal 35a Dimension H 35b Cutting Vertical Terminal 36 Chimney Chase Installation Condensate Trap and Drain Line 40 Condensate Piping ArrangementViii Gas Piping Gas Connection To Boiler IX System Piping Standard PipingBasic Piping Relief Valve Installation Piping for Special Situations Internal Boiler PipingPrimary-Secondary Piping MWC116E*T Combi Internal Boiler-Side Piping Schematic MWC116E*L Heat-Only Internal Piping Schematic Domestic Water Piping DHW Piping MWC116E*T Combi Internal DHW-Side Piping Schematic XI Wiring Field Supplied Box End Boiler End Location of Terminal Blocks and 7/8 Hole for Whip Field Wiring 120VAC Thermostat Internal Boiler Wiring XII Start-up and Checkout Location of Automatic Air Vent CapLocation of Circulator Shaft Cover Control Panel Page Inner Cover Removal For Your Safety Read Before Operating MWC Series Lighting and Operating InstructionsHigh Fire Combustion Readings Xiii Operation DHWHeating System Knob Sequence of Operation Also Refer to Figures 9.7, 9.8, 10.3 See Part XV for Error Codes Flash Codes During Normal OperationXIV. Service and Maintenance Removing Combustion Chamber Cover Service Notes InducerCondensate Trap Removal XV. Troubleshooting No Error Code DisplayedError Codes Lamp Number Flame Meaning Corrective ActionFlow Chart for Isolating Limit and APS Errors See Table XVI Parts Flow group and three way diverter valve Model combi Flow and return groups Model c.h. only Pump and main circuit assembly Model combi Pump and main circuit assembly Model c.h. only Gas assembly Connection pipes Control panel and ignition device Model combi Control panel and ignition device Model c.h. only Wiring Model combi Wiring Model c.h. only Fan, combustion chamber and case panels Description Spare part code Description Spare part code Description Spare part code Installation of Carbon Monoxide Detectors Approved Carbon Monoxide Detectors 11/07

MWC116ENL, MWC116ELL, MWC116ELT, MWC116ENT, MWC Series specifications

Crown Boiler's MWC Series represents a commendable choice in the realm of residential and light commercial heating solutions. Specifically, models like the MWC116ENT, MWC116ELT, MWC116ELL, and MWC116ENL stand out due to their exceptional performance, reliability, and innovative features.

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