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Urbana U50 Installation Manual

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WARNING: If the information in this manual is not followed exactly, a fire or explosion
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. Installation and
service must be performed by a qualified installer, service agency or the gas supplier.
C#4 001609
C# 4001609
U50 / U70
U50T / U70T
I N S TA L L AT I O N M A N U A L
CERTIFIED TO: ANSI Z21.88 / CSA 2.33 VENTED GAS FIREPLACE HEATERS
CSA 2.17 GAS FIRED APPLIANCES FOR HIGH ALTITUDES
C-16102

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Summary of Contents for Urbana U50

  • Page 1 U50 / U70 U50T / U70T I N S TA L L AT I O N M A N U A L WARNING: If the information in this manual is not followed exactly, a fire or explosion 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.
  • Page 2 Safety Information Retain this manual for future reference. WARNING: FIRE OR EXPLOSION HAZARD Failure to follow safety warnings exactly could result in serious injury, death, or property damage. - Do not store or use gasoline or other flammable vapours and liquids in the vicinity of this or any other appliance.
  • Page 3 • Do not abuse the glass by striking it or slamming the door shut. If the Urbana unit is pulled out of its installation, and the vent-air intake system is disconnected for any reason, ensure...
  • Page 4 This appliance has been tested by INTERTEK and found to comply with the established VENTED GAS FIREPLACE HEATER standards in CANADA and the USA as follows: VENTED GAS FIREPLACE HEATER (U50 & U70; NATURAL GAS, PROPANE GAS) CERTIFIED TO: ANSI Z21.88 / CSA 2.33 VENTED GAS FIREPLACE HEATERS CSA 2.17 GAS FIRED APPLIANCES FOR HIGH ALTITUDES...

  • Page 5: Table Of Contents

    Vertical Termination ......40 Unpacking and Initial Setup Venting Clearances ......42 Approved Rigid Venting .
  • Page 6 8 " 898mm 5" [127mm] 2 " 190mm 16 " 341mm U70/U70T = 71 3/4" [1822mm] U50/U50T = 51 3/4" [1314mm] U70/U70T = 70 3/4" [1797mm] U50/U50T = 50 3/4" [1289mm] 16 " 532mm U70/U70T = 62 5/16" [1583mm] U50/U50T = 42 5/16" [1075mm] 16 "...
  • Page 7 Operating Instructions For Your Safety, Read Safety Precautions And Lighting Instructions Before Operating WARNING: IF YOU DO NOT FOLLOW THESE INSTRUCTIONS EXACTLY THEN A FIRE OR EXPLOSION MAY RESULT, CAUSING PROPERTY DAMAGE, PERSONAL INJURY OR LOSS OF LIFE. 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 8: Crate Unpacking

    LED units. 2 - U50 Non-LED units supplied with 3 bags of vermiculite. U70 Non-LED models supplied with 4 bags of vermiculite. 3 - Optional 3 piece fascia for the perimeter of the outer glass. Refer to page 37 for more details.

  • Page 9: Unpacking And Initial Setup

    Unpacking and Initial Setup Lift Handle Assembly Glass Shipping Brace Removal The lifting handles come attached to the unit. You will The unit comes with glass shipping brackets to protect the need to assemble the brackets using the bend tabs in glass while in transit.

  • Page 10: Heat Shield Installation

    Unpacking and Initial Setup Leg Height Adjustment (Optional) Urbana units have adjustable legs that can raise the height, in 1/2" increments, up to an additional Heat Shield Installation 3" (76mm). This may be desired depending on the install configuration. Adjust as follows: The fireplace comes with two heat shields that are necessary for the safe functioning of the fireplace.

  • Page 11: Fireplace Leveling

    1: It is essential to level the unit from proper operation. 2: This step is not necessary when wall mounting unit. All Urbana units come with leveling feet to accomodate uneven surfaces. The leveling feet can also be used to raise the height of the fireplace up an additional 1"...

  • Page 12: Gas Connection

    Unpacking and Initial Setup Wire the receptacle including ground wire. 120V Plug the fireplace power cord back into the receptacle and re-install the junction box. Use a 7/16" socket to remove the two 1/4-20 nuts retaining the electrical junction box and unplug the fireplace power cord from the receptacle.
  • Page 13 (see page 22). Remove outer glass To remove the plate, lift it up off the key slots and tilt it inward and out through the opening. (see page 23) and Remove the right louver locate the gas shut-off valve. Route the incoming gas line as desired and connect to the 1/2”...

  • Page 14: Gas Supply Varification

    Unpacking and Initial Setup Natural Gas Main Orifice #32 (U50) / #28 (U70) Manifold Pressure 3.5” W.C. (0.89 KPa) Min. Manifold Pressure 1.6” W.C. (0.39 KPa) Gas Supply Varification Max Supply Pressure 7.0” W.C. (1.74 KPa) Min. Supply Pressure 4.5” W.C. (1.12 KPa) U50 Max BTU/hr Input 38,000 BTU/hr (11.1 kW)

  • Page 15: Maintenance And Service

    Maintenance and Service Maintenance and Service WIRE HARNESS RETAINING FINGERS Run through the procedures in this section to ensure the fireplace system is clean and working properly at least once a year. Inspect the following: • Check the burner to see if all the ports are clear and clean.

  • Page 16: Sail Switch Removal And Maintenance

    Maintenance and Service Sail Switch Removal and Maintenance The sail switch is integral to the safety circuit system; it detects sufficient air flow is produced from the cooling fan (see page 19 for detailed information). There is a sail switch located on the center fan assembly. Inspect the sail Bench test sail switch by checking continuity switch as follows: across AB terminals.

  • Page 17: Component Tray Map

    Maintenance and Service Component Tray Map Fuse Replacement - Fan and Top Light The component tray is fixed underneath the firebox. Determine what caused fuse to blow before replacement. All components are afixed to the tray using velcro for Replace fuse as follows: servicing ease.

  • Page 18: Pilot Light

    Maintenance and Service Air Shutter (Venturi) The air shutter plays a very important role in flame appearance and combustion quality. The shutter adjusts how much air gets mixed with the gas before it ignites. Pilot Light We recommend starting the fireplace and allowing it to heat up for 15 minutes before making final adjustments.

  • Page 19: Remote Syncing

    Maintenance and Service Remote Syncing Power Vent (PV) Switch For convience, the fireplace comes pre-wired for The remote should be synced to your fireplace by your power vent applications. If needed, to switch into installer during installation. power vent (PV) mode locate the PV switch next to the Remote Sync Button.

  • Page 20: Top Light Replacement

    Use a 1/4 socket (magnetized) to remove the fasteners (U50 = 6, U70=10) securing burner platform. Use a T20 screwdriver to remove the fasteners (U50 = 6, U70 = 10) securing the burner. cover. Replace light gasket if damaged. Replace light assembly (50-1516) or replace bulb with 120V, Halogen G9, 25W and assemble back into unit.

  • Page 21: Safety Circuit System

    Maintenance and Service Timing Relay: Switches system from bypass mode to Safety Circuit System operating mode when powered via snap disc. There is a 5 second delay to give fans time to build speed. Your fireplace has a safety circuit system designed to protect you and your home from damage due to Testing: unmanaged heat.

  • Page 22: Outer Glass Removal

    Maintenance and Service Familiarize yourself with the glass hooking method in the following steps before proceeding. NOTE: Outer Glass Removal Left and right side glass must be removed before front glass. Initial paint curing of the appliance can leave a slight film on the glass.

  • Page 23: Louver Removal

    Maintenance and Service Louver Removal Louver assemblies will need to be removed to access components and firebox. There are two side louver assemblies and one front; the sides need to be removed first. Remove louvers as follows: Remove front glass using same method after boh side glass sections have ben removed.

  • Page 24: Inner Glass Removal

    Maintenance and Service Loosen the 3 sets of knobs at the top of the glass. Each retainer has a slotted "dog-leg' profile, shift each retainer right-up-left to clear the glass. Inner Glass Removal The 5mm thick inner glass is ceramic. Handle glass with care;...

  • Page 25: Media Placement

    Initial Setup Media Placement (LED Unit) Media Placement (Standard Unit) The unit comes with a measured amount of clear diamond The unit comes with a painted steel bezel set and a glass to cover the burner and the burner platform. Install measured amount of vermiculite to cover the burner.

  • Page 26: Final Firebox Sealing

    Initial Setup (U50T & U70T ONLY) Final Firebox Sealing The Urbana Tall units require 1 additional step too seal the firebox. Follow the instructions on the left first, then; Final Firebox Sealing Apply a light application of silicone along the edge where the...

  • Page 27: Framing And Installation

    The air gap needed for the air inlet and oulet are based on minimum open area requirements: U50 Air Inlet (Minimum): 1352 (871 cm2) U70 Air Inlet (Minimum): 1652 (1064 cm2) Gap Height Minimum: 1 1/2in (38mm)

  • Page 28: Minimum Framing Clearances

    2" Min. Height Heat Release Opening [Front & Sides] 4 3/4" Min. Overhang [U70/U70T= 210 sq. in. Min. open area] Ceiling to Elbow Clearance [U50/U50T = 170 sq. in. Min. Open area] Clearance Min Vent [5x8] = 3' up + 90º Elbow 7” Min. Sidewall Clearance 5"...
  • Page 29 Framing and Installation DIMENSION U50/U70 86 1/2” (2197 mm) U50T/U70T 93 1/8" (2365 mm) 21” (533 mm) 50 3/4” (1289 mm) 70 3/4” (1797 mm) 9 15/16” (253 mm) Minimum 1 1/2” (38 mm) Minimum 170 in2 (1097 cm2) Minimum 210 in2 (1355 cm2)
  • Page 30 Framing and Installation *Framing illustrations are for example only and are not necessarily meant to be followed exactly. HEAT RELEASE: FRONT AIR INTAKE: FRONT WITH PEDESTAL HEAT RELEASE: OPEN AIR INTAKE: TRADITIONAL ON PEDESTAL 30 |...
  • Page 31 Framing and Installation HEAT RELEASE: TRADITIONAL WITH FALSE CEILING AIR INTAKE: TRADITIONAL HEAT RELEASE: SIDES ONLY AIR INTAKE: SIDES ONLY WITH PEDESTAL *Framing illustrations are for example only and are not necessarily meant to be followed exactly. | 31...

  • Page 32: Framing Pedestal

    U50 = 43" [1092 mm] heat dissipation. Combustible materiel is acceptable when U70 = 63” [1600 mm] constructing the pedestal. U50 = 40 3/4" [1035 mm] U70 = 60 3/4" [1542 mm] The hatched area(s) must be left unobstructed in order for proper unit cooling.
  • Page 33 Framing and Installation *Framing illustrations are for example only and are not Minimum intake dimensions must be taken at the fireplace necessarily meant to be followed exactly. cabinet, not the end of the hearth/plinth. HEAT RELEASE: OPEN AIR INTAKE: TRADITIONAL WITH PLINTH | 33...

  • Page 34: Framing Corner And Extension

    Framing and Installation left side of fireplace (shown below). The framed side wall can be adjacent to the unit, or it can extend indefinetely. If an extension is desired, an interal "false wall" must be constructed beside the unit within the enclosure to maintain chase draft geometry.

  • Page 35: Crawl Space / Basement Intake

    This installation is not permitted for non- • conditioned crawl spaces or basements vented to the Cut-Out = Minimum outside. Intake Open Area U50 = 135 sq. in. U70 = 165 sq. in. Conditioned Crawl Space Floor Cut Out | 35...

  • Page 36: Hdtv And Recess Clearances

    Framing and Installation HDTV and Recess Clearances If you're planning to mount a TV or artwork above the fireplace than some considerations must be made to ensure delicate objects are protected from heat. During testing temperatures did not exceed 50°F over ambient on the front exterior wall.

  • Page 37: Finishing Fascia (Optional)

    Framing and Installation Finishing Fascia (Optional) The fireplace is supplied with an optional 3-piece steel finisihing fascia (item #4, page 8) that installs around the perimeter of the outer glass for a cleaner finish. To install the fascia pieces simply place them on top of the bottom tiling edges and glue them to the hearth surface using construction adhesive.

  • Page 38: Venting

    Venting Venting Introduction: Your fireplaces can operate using a natural vent or power vent system (50-3883). Natural Vent (Rigid): 5” X 8” venting system Natural Vent (Flex): 5" X 8" aluminum flex venting system Power Vent: 4" x 6 5/8" rigid vent or 3" x 5" Duravent CVS See power vent kit for further information.

  • Page 39: Vent Termination Restrictions

    Venting Vent Termination Restrictions Fixed Closed Fixed Openable Closed Openable Termination Cap Air Supply Inlet Gas Meter Restriction Zone (Termination not allowed) Canadian Installation US Installation Description 12 in (30 cm) Clearance above grade, verandah, porch, deck, or balcony. 12 in (30 cm) 9 in (23 cm) Clearance from window or door that may be opened.

  • Page 40: Vertical Termination

    Venting Roof Pitch Minimum Height (H) Feet Meters Flat to 7/12 Over 7/12 to 8/12 0.46 Vertical Termination Over 8/12 to 9/12 0.61 Over 9/12 to 10/12 0.76 Check venting clearances and termination Over 10/12 to 11/12 3.25 0.99 restrictions for required clearances to combustibles Over 11/12 to 12/12 1.22 when passing through ceilings, walls, roofs,...
  • Page 41 Venting NOTES: the exterior wall. Attach the vinyl siding standoff to the horizontal termination. The termination 1. If an offset is necessary in the attic to avoid attaches to the flat portion of the standoff which obstructions, it is important to support the vent provides an air space between the wall and the pipe every 3’...

  • Page 42: Venting Clearances

    Minimum 3' Single So t / Overhang Clearance Section Minimum Vent Rise 1 1/2” U50/U70 79 3/4” (38mm) U50T/U70T 86 3/8” Min. Vent Height Termination Guard / Heat Shield required if installed in a location where the Termination could be contacted.

  • Page 43: Approved Rigid Venting

    Venting Wall / Ceiling Thimble Approved Rigid Venting Manufacturer Trade Name Nominal Sizes Use a wall thimble when passing through an exterior EXCELDirect 5” x 8" wall or ceiling. Typically the framing hole will be 10 M&G Dura-Vent Direct Vent Pro 5”...

  • Page 44: Flex Venting

    Only the flex venting and spacers are needed. You Use gear clamps to must use the flex adapter kit and a certified rigid pipe secure inner and outer vent. No sealant required termination cap. Flex Starter Adapter Any Urbana Fireplace 44 |...

  • Page 45: Approved Venting Configurations

    Venting Approved Venting Configurations (NG) : This shows the range of venting options using either vertical or horizontal terminations; any layout that remains within the shaded area is acceptable. Having the fewest number of elbows is ideal as they restrict air movement. Natural Gas [NG] Any combination of rise and run can be used as long as it lays within the shaded...
  • Page 46 Venting Approved Venting Configurations (LP) : This shows the range of venting options using either vertical or horizontal terminations; any layout that remains within the shaded area is acceptable. Having the fewest number of elbows is ideal as they restrict air movement. Propane [LP] Any combination of rise and run can be used as long as it lays within the shaded...

  • Page 47: Exhaust Restrictor Setting 6

    Venting Exhaust Restrictor Settings: Exhaust Restrictor Adjustment: The restrictor disk is used to regulate draft and To adjust the exhaust restrictor, locate the access hole on combustion air that leads to proper flame quality and the front of the unit. appearance.
  • Page 48 #50-3934 - U70 BURNER PLATFORM - LED #50-3903 - RIGHT LOUVER ASSEMBLY #50-3926 - U50 FRONT LOUVER ASSEMBLY #50-3917 U50 BURNER (NG) / #50-3918 U50 (LP) PART USED IN ALL UNITS #50-3940 - U70 FRONT LOUVER ASSEMBLY #50-3931 U70 BURNER (NG) / #50-3932 U70 (LP)
  • Page 49 Parts List 50-3905 - STEEL SEGMENTED LINER (1 PCE.) #50-3820 U50 INFINITY GLASS BEZEL- BLACK #50-3805 URBANA WIFI MODULE PART USED IN ALL UNITS #50-3827 U70 INFINITY GLASS BEZEL - BLACK PART USED IN ALL UNITS #50-3899 - TIMING RELAY...
  • Page 50 PART USED IN ALL LED UNITS Gaskets Part numbers U Series Firebox Glass Gasket (20ft) 50-3896 U Series Silicone Glass Gasket (4ft) 50-3897 U50 &U70 Relief Gasket (2 pcs) 50-3921 Wire Harnesses Part Numbers ProFlame 2 IFC Wire Harness 50-3030 U Series On/Off Switch Harness...
  • Page 51 Troubleshooting Troubleshooting: Problem Cause Solution Check Burner doesn’t turn on IFC ON/OFF circuit is OPEN Ensure ON/OFF circuit is complete Check the ON/OFF switch, confirm “-” symbol is pressed down (check with multimeter) Check for continuity across burner switch Check for continuity across timing relay terminal A and B (see "Safety Circuit System") Remote signal not being received Ensure IFC is receiving remote commands (beeping) Re-sync remote...
  • Page 52 Check monitored fan(s) are functioning at a decent speed (flame shuts off after 10-20 minutes) Check for complete sail switch operation (U50/U70 models have 2) Check for continuity across sail switch terminals (see "Safety Circuit System") Check for correct timing relay switch operation (see "Safety Circuit System")
  • Page 53 Wiring Diagram Wiring Diagram: | 53...
  • Page 54 Warranty Installation Reference Guide Please fill in and retain this information card for your future reference. Go to www. urbanafireplaces.com/warranty to fill in your warranty registration card. NAME OF DEALER: NAME OF INSTALLER: _________________________________________ _________________________________________ ADDRESS: ADDRESS: _________________________________________ _________________________________________ _________________________________________ _________________________________________ _________________________________________ _________________________________________...
  • Page 55 Warranty WARRANTY INFORMATION Sherwood Industries Ltd. (“Sherwood”) hereby warrants, subject to the terms and  Exclusions conditions herein set forth, this product against defects in material and workmanship An expanded list of exclusions is available at www.urbanafireplaces.com/warranty.html during the specified warranty period starting from the date of original purchase at retail. This warranty does not cover: In the event of a defect of material or workmanship during the specified warranty period, ...
  • Page 56 MANUFACTURED BY: SHERWOOD INDUSTRIES LTD. 6782 OLDFIELD RD. SAANICHTON, BC, CANADA V8M 2A3 www.urbanafireplaces.com Winter 2020 C-16102...

This manual is also suitable for:

U70U50tU70t

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