Eclipse RatioMatic RM Series Installation Guide download pdf (Page 15)

Eclipse RatioMatic v3.10 - Design Guide No. 110, 12/01

Ignition Gas Piping

RatioMatics are capable of ignition with either low fire or

bypass start gas.

Low Fire Start:

Main gas

shut-off

valve train

Bypass Start Gas (optional):

Main gas

shut-off

valve train

An optional fuel orifice meter connected in the start gas piping

can simplify start-up and adjustment. To start the burner at the

lowest possible gas input, select a fuel orifice meter for 5” to 10”

w.c. pressure drop when the gas flow is at the burner’s rated low

fire.

Step 4: Ignition System

(continued)

Optional fuel orifice meter recommended

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Eclipse RatioMatic RM Series Installation Guide Page 15