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14. GAS CONVERSION
WARNING: Gas conversion must only be performed by a trained gas ser-
Do not convert heater to alternate gas without using the proper kit listed
below. Property damage, injury or death could result.
Standard production of this model heater is for use with natural gas. Field conversion be-
tween Natural Gas and Propane Gas must be accomplished using field conversion kits avail-
able from you local Rinnai supplier:
Part number: 903000039 - Natural Gas to Propane Gas Conversion Kit HE Series
•
Part number: 903000040 - Propane Gas to Natural Gas Conversion Kit HE Series
•
15. ELECTRICAL AND THERMOSTAT WIRING (WIRING DIAGRAMS PAGE 29 & 30)
NOTICE
cable local codes. The total load of all heaters must be considered in determining the required
contact rating of the controlling thermostat or switch. Each tube heater requires 120V, 60 HZ
electrical power sized for 145VA. Maximum power flow for internal 24V burner components is
21VA.
The ignition control includes a 24V/120V relay switch that provides a 45 second post -purge of
the system. A 24V Thermostat, TruTemp Thermostat, or 24V controller signal must be
used for the post-purge feature to function. A line voltage Thermostat or an "ON/OFF"
switch will disable the post-purge feature.
A maximum night set-back of 9°F (5°C) is recommended for optimum economy and comfort.
To maintain satisfactory comfort levels do not turn off the heating system over night/weekends.
16. HIGH ALTITUDE INSTALLATIONS - also refer to chart in Section 26
When installed above the altitude stipulated below for the USA, the input must be de-rated by
4% for each 1000 ft above the altitude listed . If your local utility supplies gas with a de-
rated heat content, no orifice change is required in the heater . If the gas supply is not de-
rated, the orifice must be changed according to the chart in Section 26. Check with your local
utility regarding the gas supply and the de-rating of this appliance. Maintain gas supply pres-
sures indicated in Table 4, page 25.
USA: The factory installed orifice for this appliance is approved for altitudes zero to 2000
feet above sea level. When installed above 2000 feet, refer to Section 26.
17. LIGHTING INSTRUCTIONS
Refer to the lighting instructions label on the outside of the burner housing. If the unit locks out
on safety, main power to the unit must be manually interrupted for a 30 second reset period
before the heater can be restarted.
NOTE: On initial installation, the unit may lock out on safety owing to the length of time
required to bleed air from the gas piping system.
vice technician.
The heater must be electrically grounded in accordance with the
National Electrical Code. ANSI / NFPA 70.
Appliance and control wiring must be in accordance with all appli-
27
HE Series Infrared Gas Heater Installation and Operation Manual
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