Warnock Hersey Patio Plus, Installation, Operating, & Maintenance Instructions

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“Patio Plus” infra red heaters are available for both L.P. and Natural Gas and are
approved for indoor & outdoor applications. This appliance must only be used with
the fuel for which it was originally labeled. Do not convert this heater to an
alternate fuel without first consulting the manufacturer
.
For indoor use, consult all local applicable codes for unvented appliances before use.
This manual applies to the following Patio Plus models:

PH-45-20 P LP for use with 20 lb. L.P. propane cylinder

PH-45-30 P LP for use with 20 lb. or 30 lb. L.P. propane cylinder

PH-45-FS-LP Liquid Propane & PH-50-FS-N Natural Gas Free-Standing Units

PH-45-FB-LP Liquid Propane & PH-50-FB-N Natural Gas Fixed Base Units

PH-45-FB-R-LP Liquid Propane & PH-50-FB-R-N Natural Gas Fixed Base Units
with 24 volt remote switching options

PH-45-H-LP Liquid Propane & PH-50-H-N Natural Gas Hanging Units

PH-45-H-R-LP Liquid Propane & PH-50-H-R-N Natural Gas Hanging Units with
24 volt remote switching option.

PH-45-IG-LP Liquid Propane & PH-50-IG-N Natural Gas Inground Units
Minimum Inlet supply gas pressure: L.P. 11”w.c. N.G. 7” w.c.
Maximum Inlet supply gas pressure: ½ P.S.I. (14” w.c.)
Required manifold pressure: L.P. 10.5” w.c. N.G. 3.5” w.c.
Maximum Input 50,000BTU L.P. & 50,000BTU Natural Gas
Maximum turn down pressure: 6.4” L.P. & 1.5” Natural Gas
Choosing a Safe Location
Heaters must be installed on a secure and level surface.
Patio Plus heaters may be installed on a combustible surface. If the heater is installed
near a combustible wall or under a combustible ceiling, the minimum clearances to
combustibles described in the drawing on page 2 must be adhered to. The installation
must adhere to all local and applicable codes. In the absence of local codes, it must
adhere to current CAN/B149 in Canada or ANSI Z223.1 in the United States