Enerco HST45 - Manual (Page 17)

17 Operating Instructions and Owner’s Manual | Gas-Fired Low-Intensity Infrared Heater
CAUTION
Label all wires prior to disconnection when
servicing controls. wiring errors can cause improper and
dangerous operation. Verify proper operation after servicing.
The appliance, when installed, must be electrically grounded in
accordance with local code, or in the absence of local codes, with
the National Electrical Code (ANSI/NFPA 70) or Canadian Electrical
Code (CSA 22.1) , if an external electrical source is utilized.
Gas Service Installation
Install Gas Supply Lines
A ½” gas supply connection is required as shown below. To check
system pressure, a plugged 1/8” NPT tapping is required upstream
of the manual gas shut-off valve supplied with the heater.
Before connecting the heater to the supply system, verify that all
high pressure testing of the gas piping has been completed.
DO NOT HIGH PRESSURE TEST THE GAS PIPING WITH THE
BURNER CONNECTED.
Follow these instructions to ensure a safe gas supply system
installation:
1. Support all gas piping with suitable pipe hanging materials.
2. Use wrought iron or wrought steel pipe and malleable iron
fittings. The use of copper tube and brass fittings is acceptable
WARNING Electrical Shock Hazard
Plug heater into grounded three prong ceiling receptacle.
Do not cut or remove the grounding prong from this plug.
Do not use with an extension cord. Failure to follow these
instructions will result in death or electrical shock.
ATTENTION Risque d’électrocution
Brancher le cordon du radiateur sur un socle à 3 broches
et à la masse, situé au plafond. Ne pas sectionner ou
retirer la broche de masse de cette prise. N’utilliser aucun
cable de rallonge. Le non-respect de ces consignes peut
entrainer mort ou electrocution.
Grounding
The heater must be electrically grounded in accordance with the
following codes: United States: Refer to National Electrical Code,
ANSI/NFPA-70 – latest revision. Wiring must conform to the most
current National Electrical Code and local ordinances. Canada: Refer
to Canadian Electrical Code, CSA C22.1 Part 1– latest revision.
Enerco Group, Inc.,
Low Voltage Thermostat Wiring Diagram
heater
Heaters are normally controlled by thermostat. The
recommended 24V thermostat, connects to the unit as shown
in the diagram below.
Heater
(maximum 1-per thermostat)
120V-60Hz
Supply Circuit
Low Voltage
Thermostat
Stock # 10367