Rinnai RHE1S40N Installation And Operation Manual page 16

High-efficiency (he) series infrared gas heater
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IMPORTANT: READ FIRST: Review the information on pages 4 to 10 and ensure that in-
stallation adheres to the instructions in this manual, and all national and local codes.
Refer to pages that follow for illustrations and dimensions that assist in installation.
1. Survey the available structural support, considering the system configuration and heat re-
quirements of the area to establish the optimum heater location.
2. Hardware with a minimum 100 lb. (30 kg) work load must be used at each heater suspen-
sion point. A #2 Lion Chain or equivalent is typically used to suspend the heater.
b) If rigid hardware such as 3/8" threaded rod is used for suspension, swing joints or other
means must be provided to allow for system expansion - approximately ½ inch
3. The heater must be supported at all four mounting tabs on the hangers that are located
72 inches (183 cm) apart .
4. Locating a heater directly under joists or beams, and/or installing supplemental support
such as angle iron can ensure the integrity of the installation.
5. The heater can be mounted with the tube/reflector in a horizontal position, or at 30° facing
toward the area to be heated. The burner must always be level (length and width) to ensure
proper operation of air switches and gas valve.
6. Install the structural fastening hardware and any suspension hardware (chain, etc) prior to
removing heater from the carton. Ensure that the support hardware system is firmly fas-
tened to a structural member(s) of sufficient strength and integrity to support the weight of
the heater.
7. The heater comes fully assembled from the factory. For locations where there is con-
strained access for installation, removal of the burner assembly may assist in the installa-
tion of the tube/reflector assembly. Disconnect the spark wire from the igniter and remove
the four nuts that fasten the burner to the tube flange. Re-install the burner after the tube
system is installed. If the tube/reflector system is to be oriented up to a 30° mounting angle
(see below), the burner must be adjusted to a horizontal position for operation.
Up to 30° Angle Mounting: See Figure 6 next page
8. The tube/reflector system can be oriented on the short axis from horizontal to an angle up
to 30 degrees in either direction with the burner in the upper or lower position. The heater
must be level along its length, and the burner positioned level across its width.
9. If the tube/reflector assembly is to be suspended at an angle up to 30°, the burner mounting
flange has a slot pattern that allows adjustment (rotation) of the burner to a horizontal posi-
tion for proper operation - BURNER MUST BE HORIZONTAL ACROSS THE WIDTH (see
Figure 6 below).
Install the tube/reflector system as above, with tube/reflector assembly angled up to 30°
Loosen the 4 nuts (2 or 3 turns) until burner studs can rotate within the flange slots
CAUTION: Use care to ensure that the gasket between burner and flange rotates with
the burner and is not damaged
Rotate burner to level position across its width
Tighten the 4 nuts to secure the burner in the horizontal position
10. For seismic and high wind restraint see Sections 10-A & 10-B, page 19.
HE Series Infrared Gas Heater Installation and Operation Manual
16

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