Honeywell L - Manuals - manualsarea.com

Page 2 - SPECIFICATIONS

R7140G,L,M BURNER CONTROL MODULES 66-1153—03 2 Fig. 1. Burner Control Module and sequence status LEDs. SPECIFICATIONS Electrical Ratings (See Table 1): Voltage and Frequency: 120 Vac (+10%/-15%), 50 or 60 Hz (±10%). Power Dissipation in the Run Mode: 10W maximum. Maximum Total Connected Load: 2000VA...

Page 6 - INSTALLATION; WARNING

R7140G,L,M BURNER CONTROL MODULES 66-1153—03 6 a 30 seconds with JR2 clipped and jumper from terminal 8 to terminal 15. * STANDBY and RUN can be an infinite time period. ** PURGE will be determined by which ST7800A purge card is selected; 15 timings are available from 2 seconds to 30 minutes. NOTE: ...

Page 7 - Location; Humidity; Final Wiring Check

R7140G,L,M BURNER CONTROL MODULES 7 66-1153—03 Location Humidity Install the relay module where the relative humidity never reaches the saturation point. The relay module is designed to operate in a maximum 85 percent relative humidity continuous, noncondensing moisture environment. Condensing moist...

Page 8 - Mounting R7140 Relay Module; Removing the Programmer

R7140G,L,M BURNER CONTROL MODULES 66-1153—03 8 * Check terminal 8 and 15. If jumpered, ST7800A1031 (7 second purge). If not jumpered, ST7800A1039 (30 second purge). Mounting R7140 Relay Module Installing the Programmer (Fig. 3) WARNING Electrical Shock Hazard. Can cause severe injury, death or prope...

Page 23 - SAFETY SHUTDOWN; any of the following occur during the; OPERATION; Sequence of Operation; Initiate

R7140G,L,M BURNER CONTROL MODULES 23 66-1153—03 SAFETY SHUTDOWN Safety Shutdown (Lockout) occurs if any of the following occur during the indicated period: 1. INITIATE Period: a. Purge card is not installed or is removed. b. Purge card is bad. c. Configuration jumpers are changed (after 200 hours of...

Page 25 - SETTINGS AND ADJUSTMENTS; Selectable Site-Configurable

R7140G,L,M BURNER CONTROL MODULES 25 66-1153—03 1. In Pre-Purge Drive To High Fire Position (R7140L), the Run/Test Switch, when placed in the TEST position, holds in PREPURGE with the firing rate motor in the High Fire position. 2. In the measured PREPURGE sequence, the Run/Test Switch, when placed ...

Page 26 - STATIC CHECKOUT; Equipment Recommended

R7140G,L,M BURNER CONTROL MODULES 66-1153—03 26 STATIC CHECKOUT After checking all wiring, perform this checkout before installing the R7140 on the subbase. These tests verify the Q520A Wiring Subbase is wired correctly, and the external controllers, limits, interlocks, actuators, valves, transforme...

Page 27 - CAUTION

R7140G,L,M BURNER CONTROL MODULES 27 66-1153—03 6 All L1-5 — 1. Ignition spark (if ignition transformer is connected to terminal 5). 2. Automatic pilot valve opens (if connected to terminal 5). NOTE: Refer to wiring dia- gram of system being tested. 1. Watch for spark or listen for buzz. a. Ignition...

Page 28 - SYSTEM CHECKOUT

R7140G,L,M BURNER CONTROL MODULES 66-1153—03 28 SYSTEM CHECKOUT IMPORTANT Perform all Static Checkout Procedures for the applicable relay module shown in Table 8 before starting these procedures. WARNING Explosion Hazard. Can cause serious injury or death. Do not allow fuel to accumulate in the comb...

Page 29 - Flame Signal Measurement; INITIAL LIGHTOFF CHECKS; Proved Pilot Systems

R7140G,L,M BURNER CONTROL MODULES 29 66-1153—03 7. Power is connected to the system disconnect switch (master switch). 8. Lockout is reset (reset button) only if the Relay Module is powered. 9. Run/Test Switch (if present) is in RUN position. 10. System is in STANDBY condition. STANDBY message is di...

Page 30 - Direct Spark Ignition Systems; PILOT TURNDOWN TEST (ALL

R7140G,L,M BURNER CONTROL MODULES 66-1153—03 30 20. Run the burner through another sequence, observing the flame signal for: a. Pilot flame alone. b. Pilot and main flame together. c. Main flame alone (unless monitoring an intermittent pilot). Also observe the time it takes to light the main flame. ...

Page 31 - IGNITION INTERFERENCE TEST; To Eliminate Ignition Interference

R7140G,L,M BURNER CONTROL MODULES 31 66-1153—03 6. After the PILOT LED turns on in interrupted pilot applications, set the Run/Test Switch to the TEST position to stop the sequence. The FLAME LED comes on when the pilot ignites. NOTE: If the sequence does not stop, reset the system and make sure you...

Page 32 - Hot Refractory Hold-in Test; IGNITION SPARK RESPONSE; Response To Other Ultraviolet

R7140G,L,M BURNER CONTROL MODULES 66-1153—03 32 If hot refractory saturation occurs, the condition must be corrected. Add an orifice plate in front of the cell to restrict the viewing area, lengthen the sight pipe or decrease the pipe size (diameter). Continue adjustments until hot refractory satura...

Page 33 - SAFETY SHUTDOWN TESTS

R7140G,L,M BURNER CONTROL MODULES 33 66-1153—03 8. If the response time is still too slow, replace the Plug-in Flame Signal Amplifier. 9. If the detector is relocated or resighted, or the amplifier is replaced, repeat all required Checkout tests. SAFETY SHUTDOWN TESTS (ALL INSTALLATIONS) Perform the...

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