HZ42ST Regency Horizon
TM
Gas Fireplace
3
TABLE OF CONTENTS
SAFETY LABEL
Copy of Safety Decal .....................................................4
REQUIREMENTS
MA Code - CO Detector.................................................5
DIMENSIONS
Unit Dimensions ............................................................6
INSTALLATION
Important Message ......................................................7
Before You Start ............................................................7
General Safety Information............................................7
Installation Checklist ......................................................8
Locating Your Gas Fireplace .........................................8
Clearances ....................................................................9
Non-Combustible Requirements ...................................9
Mantel Clearances.......................................................10
Mantel Leg Clearances................................................10
Unit Assembly Prior To Installation .............................. 11
Standoff Assembly ............................................... 11
Horizontal vent Defl ector installation ........................... 11
Nailing Strips ........................................................ 11
Framing & Finishing.....................................................12
Framing Dimensions....................................................13
Vent Restrictor Position ...............................................14
Exterior Vent Termination Requirements .....................15
4” x 6-5/8” Rigid Pipe Cross Reference Chart .............16
Venting Introduction .....................................................18
Venting Arrangements ................................................18
Allowable Horizontal Terminations for HZ42 ST ..18
Horizontal Terminations ...............................................19
Flex Vent 4" x 6-5/8" ....................................................19
Rigid/Flex Pipe Venting Systems.................................20
Horizontal or Vertical Terminations ..............................20
Horizontal Terminations ...............................................21
Vertical Terminations ...................................................24
Unit Installation with Horizontal Termination ...............27
Unit Installation with Horizontal Termination ...............28
Unit Installation with Vertical Termination ....................29
High Elevation .............................................................30
Gas Line Installation ....................................................30
Pilot Adjustment ...........................................................30
Gas Pipe Pressure Testing ..........................................30
S.I.T. Valve Description ................................................30
Aeration Adjustment ....................................................31
Wiring Diagram ...........................................................31
Optional Accent Lighting Wiring Diagram ...................31
Optional Wall Thermostat ...........................................32
Optional Remote Control .............................................32
GT/GTM Remote Features ..........................................32
Wall Switch ..................................................................32
Optional Refl ective Panel Installation ..........................33
Optional Light Installation ............................................34
Glass Crystals or Optional Ceramic Stones
Installation On Burner ..................................................37
Optional Pebble / Crystal Installation...........................38
Glass Door Installation ................................................39
Faceplate Installation...................................................40
OPERATING INSTRUCTIONS
Operating Instructions .................................................42
First Fire ......................................................................42
Lighting Procedure ......................................................42
Shutdown Procedure ...................................................42
Normal Operating Sounds of Gas Appliances .............42
Copy of Lighting Plate Instructions ..............................43
MAINTENANCE
Maintenance Instructions.............................................44
General Vent Maintenance ..........................................44
Thermopile / Thermocouple .........................................44
Glass Gasket ...............................................................44
Glass Door...................................................................44
Glass Replacement .............................................44
Glass Door Removal ...................................................45
DC Spark Box Battery Replacement ...........................45
DC Spark Box Replacement........................................45
Valve Tray Replacement ..............................................46
PARTS LIST
Main Assembly ............................................................48
Accessories .....................................................................
WARRANTY
The Warranty: Limited Lifetime ...................................51