SAMUEL JACKSON HG-1-1501, Service And Operation Manual

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PAGE 19 of 46 HG-1-1501 GAS-FIRED HEATER
© SAMUEL JACKSON, INCORPORATED 2011 ALL RIGHTS RESERVED
TESTS EXPLANATION
PRELIMINARY
To test a new installation, first check that all necessary connections for electrical,
water, gas and drain are made. Standard 3-phase electrical power supplies are
480VAC 60 HZ, 415VAC 50 HZ, or 380VAC 50 HZ.
With electrical power off, prepare to purge the gas line of debris and air by closing
off the gas supply valve before the Gas Pressure Regulator (GPR) and having the
main gas supply on. Open the pipe cap on the end of the short pipe debris trap nipple
under the regulator and quickly open/close the gas supply valve several times. Debris
in the pipe will blast out. Keep doing this until gas is noticeable and debris has
cleared. Make sure good ventilation is present and no one is smoking.
Check installation of moist air thermocouple and that burner head is rotated so flame
rod is on side of burner body as shown in picture above. Apply power by turning on
disconnect. Check that power on terminals 1 and 3 on the electrical panel is between
110 and 120 VAC. If the single phase voltage is not within this range, check that the
correct secondary tap connections are made on Control Voltage Transformer CT
referring to the
ELECTRICAL SCHEMATIC Drawing No. CA13461 shown in this
manual. Call the factory for assistance.
Gas Pressure
Regulator (GPR)
Pipe cap on debris
trap nipple
Note optimal position of flame
rod inside body for optimal
ignition and operation.