2 installation log burner model: specification number: fuel (natural or propane): gas orifice drilled size: inlet gas pressure (in. W.C.): co 2 (%): o 2 (%): co (ppm): installer’s name: contractor name: contractor address: contractor phone number: contractor license #: date of installation: comments...
3 if the information in these instructions is not followed exactly, a fire or explosion may result causing property damage, personal injury or death. For your saftey: for your saftey: for your saftey: for your saftey: do not store or use gasoline or other flammable vapors and liquids in the vincinit...
4 contents page section i installationfffffffffffffffffffffffffffffffffffffffff. A. Generalfffffffffffffffffffffffffffffffffffffffffffff.. B. Ventilationfffffffffffffffffffffffffffffffffffffffffff... C. Mounting to equipmentff...Ffffffffffffffffffffffffffffffff.. D. Gas pipingffffffffffffff...Ffffff...
5 section i installation a. General installation of these power gas burners must conform to local codes, or in their absence, the national fuel gas code, ansi z223.1/nfpa 54. In canada, “the equipment shall be installed in accordance with the provincial installation requirements, or in their absence...
6 electrode settings supply line connection to burner figure 2 drip leg 3’’ min (76.2 mm) control manifold union tee direction of flow pipe cap manual shutoff valve 1/8” (3.2mm) n.P.T. Plugged tapping pressure gage port figure 1 0.125” (3.2mm) 0.105” (2.7mm) 0.75” (19.1mm) 0.8” (20.3mm) ref probe di...
7 ehg orifice size chart (lp) btu/hr input lp gas orifice part no. Manifold pressure in. W.C. Drill decimal 425,000 (125 kw) “u” 0.3680” (9.35mm) 62438-031m 3.7 (922 pa) 450,000 (132 kw) 3/8” 0.3750” (9.53mm) 62438-036m 3.5 (872 pa) 500,000 (147 kw) 27/64” 0.4219” (10.72mm) 62438-037m 3.5 (872 pa) 5...
8 gas pipetrain: the pipetrain includes high & low gas pressure safety switches, two manual ball valves, two 120 vac solenoid shut-off valves, a main gas pressure regulator, and gas test ports per the requirements of ul795. Upon request the pipetrain can be supplied without a gas pressure regulator,...
9 there are two sets of wires extending out of the control panel. The black and white wires marked “l1” and “l2” should be connected to the 120 vac supply line. The black and white wires marked “gv1” and “gv2” are to be connected to the gas train. The green wire exiting the gas train must be connect...
10 g. 120vac solenoid shut-off gas valves the gas solenoid shut-off valves may be pre-plumbed onto the pipetrain. The pipetrain may also be pre-wired for convenience, but the electrical wiring from the burner must be connected in the field. Figure 5 figure 6 figures 5 and 6 show one type of solenoid...
11 the 1/8″ npt pressure tap for manifold pressure measurement is located on the side of the burner’s manifold pipe (see figure 4). Use a “u”-tube manometer or dial type pressure gauge, scaled from 0″w.C. To 15.0″ w.C. (3736.5pa) to read pressure. Figure 7 i. Gas pressure switches mounting all switc...
12 section ii initial start up note: read the applicable sequence of burner/primary gas control operation, gas pressure switches, etc. In section iii operation and troubleshooting before proceeding. 1. Lay out combustion test equipment, manometers, stopwatch, dc micro-amp meter, and other miscellane...
13 note: initial activation of the burner should begin with checking the function of the automatic controls by means of a “dry run” before gas is supplied to the main burner nozzle – through a complete main burner firing cycle and a complete check of all automatic safety controls with the test firin...
14 13. Perform the following combustion analysis. All adjustments below must be made with the following instruments: draft gauge, o 2 or co 2 analyzer and co tester. A. Adjust the primary air damper to provide about 25% excess combustion air. Confirm this by checking the flue gas for its free oxygen...
15 section iii operation and troubleshooting sequence of operation – ehg power gas burner utilizing honeywell s89f gas primary w/built in 30 second prepurge on a call for heat, voltage (24vac) is applied to the motor start relay and air switch. Once the fan motor reaches operating rpm, the available...
16 ehg power gas burner with honeywell s89f gas primary and gas train assembly figure 11.
17 ehg power gas burner with honeywell s89f gas primary and gas train assembly (continued) figure 11 (continued).
18 flame sensing the honeywell s89 series primary ignition controls utilize the flame current rectification principal for main burner flame sensing. The flame rectification phenomenon occurs as follows: the ignited gas flame causes the immediate atmosphere around the flame to become ionized (gas ato...
19 ehg series with a honeywell s89f primary ignition control troubleshooting guide motor does not start 1. Check voltage input to burner, 120 vac diagnose reason for absense of voltage 2. Check for voltage after burner “on” switch replace switch 3. Check for continuity through 24 volt t-stat if used...
20 ok ok ok ignition arc established – no flame 1. Reset control-motor starts-completes 30 second prepurge cycle, 8 second safe start check and trial for ignition, 4 seconds honeywell series s89f. Note:the burner motor will continue to operate during the lock out mode when the thermostat circuit is ...
21 gas train troubleshooting check to make sure 120 votls is present across the wires feeding the gas train during ignition trials. If not, return to step 4 udner “igniton arc established - no flame”. Ok 1. Adjust high and low gas pressure switches as outlined in section ii.14 if there is no gas flo...
22 no no ignition arc established 1. Reset control: -motor starts – completes 30 second prepurge cycle, 8 second safe start check series. -gas valve opens, regulating adequate gas pressure. -no flame established – primary control locks out after 4 second honeywell series trial for igniition periods....
23 no no no no ignition - no gas flow 1. Reset control – motor starts – after 30 second prepurge cycle and 8 second safe start check. Motor continues to run but flame is not established in order for the following functional test to be made, the control must be reset and the tests monitored during th...
24 loses flame during cycle – control locks out on safety 1. Reset control: -completes 30 second prepurge cycle, and 8 second safe start check. -flame is established. -sometimes the control locks out before the thermostat or controlling circuit is satisfied. 2. Disconnect flamerod lead from primary ...
25 burner cycles erratically 1. Check for proper thermostat installation, location, and performance. If thermostat is used, remove wires at t-t terminals and replace with jumper wire. If burner runs properly, check thermostat for proper operation. 2. Check low voltage circuit for bad wiring, electri...
26 section iv service caution: make sure the manual gas valves and main electrical power to the burner are turned off before opening burner or removing any parts for service. A. Burner head and electrode/sensor assembly the burner head, electrode, sensor probe, orifice housing and housing cover are ...
27 3. To begin removing gas train assembly, gently lift up rear of housing cover while pulling back. Rotate the assembly about 90 degrees toward the left side of the burner and gently extract burner head and electrode/sensor assembly out of opening in housing taking extreme care to not dislocate or ...
28 b. Air proving switch the air proving switch has a black plastic top and grey bottom and is mounted inside the junction box on the right side of the burner housing (figure 17). A clear plastic tube is connected to the barbed fitting on the pressure switch while the other end is connected to a bra...
29 c. Combustion air blower and motor 1. Cleaning of the combustion air blower is indicated if the blades show an accumulation of dust and lint, or if the character of the flame indicates a deficiency of combustion air. 2. The motor and blower wheel are removed as one assembly. With the burner head ...
30 figure 20 caution: do not remove blower wheel from motor shaft during periodic cleaning. Should removal of the blower wheel be necessary for cleaning or replacement of it or the motor, the blower wheel must be positioned correctly on the motor shaft (figure 21). Figure 21 d. Gas pressure switches...
31 e. Air band assembly adjustment 1. The air band assembly is located on the left side of the burner housing, opposite the motor. The air bands are held in place by a 1/2” bolt. Figure 22 2. Using a 1/2” nut driver, loosen the bolt holding the air bands in place. Figure 23 caution: do not remove th...
32 3. The air band assembly can now be adjusted from the fully closed position (figure 24), to the fully open positions (figure 25) by sliding the outer ring. Fully closed position figure 24 fully open position figure 25.
33 4. To measure the air band opening, place a ruler or other measuring device alongside the air band and measure the opening from the lip of the solid black piece inside the air band assembly to the edge of the air band itself. Measuring the air band opening figure 26 5. After the air band assembly...
34 technical information “troubleshooting guide” nuisance lockouts/flame sensing problems – ehg gas burners wayne’s ehg series direct spark ignition (dsi) gas burners prove flame through the process of flame rectification. Flame rectification is achieved by placing a small voltage on the flame sensi...
35 cover / manifold / orifice assembly figure 27.
36 burner exploded and assembled views 64021-003 figure 28.
37 burner assembly 64021-003 parts list item part no. Description qty 1 23001-001 motor, 1/4 - 1/5 115/60/3450 psc 1 2 21854 fan- 4.00“w x 6.25”d e/fha hd 1 3 2669-002 band, air-inner e/fh 1 4 2668-002 band, air-outer 8-hole e/f 1 5 63263-005 switch, air press – sp.2 horiz 1 6 100689-001 clip, retai...
38 control box assembly 63479-004 or 63479-005 figure 29.
39 control box assembly 63479-004 or 63479-005 figure 29 (continued).
40 model* dim. “a” dim. “b” 6 15.3 14.7 9 17.3 16.7 12 20.3 19.7 15 23.3 22.7 *denotes air tube length burner dimensions figure 30
41 gas train assembly with regulator 63527-001 figure 31.
42 parts list item part no. Description qty 1 63503-001 valve, manual ball 1” 2 2 63504-001 valve, gas shutoff 1” 120v 2 3 63262-003 regulator, gas pressure rv61 1 4 63513-002 switch, gas pressure high (antunes hpg-g) 1 5 63513-001 switch, gas pressure low (antunes lpg-g) 1 gas train assembly with r...
43 pipe sizing chart for natural gas the following chart is based on 0-0.5 psi inlet pressure, specific gravity of 0.6, and a pressure loss of 0.5” w.C.. Numbers are for straight schedule 40 metal pipe. Maximum capacity in cubic feet of gas per hour length of pipe (ft) 3/4" 1" 1 1/4" 1 1/2" 2" 10 36...
44 f la n g e 2 0 6 1 4 f ig u re 3 3.
45 consumer instructions keep the area around the burner clear and free of combustible materials, gasoline or other flammable liquids or vapors. Do not obstruct burner air openings or ventilation grilles for combustion air. If the burner is to be shut down for an extended time, the main manual gas v...
46 4. A burner so repaired will then carry the limited warranty equal to the unexpired portion of the original burner limited warranty. 5. If inspection by wayne does not disclose any defect covered by this limited warranty, the burner or burner component(s) will be either repaired or replaced at th...
47 notes.
