Honeywell S8910U Скачать руководство пользователя страница 13 | Manualshive

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Honeywell S8910U Скачать руководство пользователя страница 13

69-0845—2

13

S8910U UNIVERSAL HOT SURFACE IGNITION MODULE

Purge/Prepurge

When the S8910U is used in a fan-assisted combustion
system, the combustion air blower starts on a call for heat
from the thermostat. On proof of airflow, the air proving
switch closes and energizes the S8910U. When the
S8910U is used in an atmospheric system, the call for heat
energizes the module.

In either case, the S8910U first initiates a 32-second delay
to allow system prepurge.

Igniter Warmup

After prepurge, the S8910U energizes the igniter to start
the igniter warmup. The module energizes the hot surface
igniter for a 34-second warmup period, during which the
gas control is closed.

Fig. 7. S8910U normal operating sequence.

START

PREPURGE/

IGNITER

WARMUP

CALL FOR HEAT (24V
TERMINAL POWERED)

INTERNAL SAFE START
CHECK BEGINS.

FLAME
SIMULATING
FAILURE

SYSTEM WILL
NOT START

PREPURGE

IGNITER WARMS UP

BETWEEN
TRIAL
PURGE

TRIAL FOR
IGNITION

GAS CONTROL OPENS
FOR TIMED TRIAL
FOR IGNITION.

.LOCKOUT OCCURS;
SYSTEM MUST BE
RESET.

GAS
CONTROL
CLOSES

NO
FLAME

IGNITER OFF;
FLAME SENSING BEGINS.

ONE TRIAL
(TABS A
AND C)

LESS

THAN

THREE

ONE TRIAL
(TABS A AND C)

THREE TRIALS
(TABS B AND D)

HOW MANY IGNITION
TRIALS COMPLETED THIS
CALL FOR HEAT?

THREE

LOCKOUT OCCURS;
SYSTEM MUST BE
RESET.

GAS CONTROL CLOSES
(MAIN BURNER OFF).

GAS
CONTROL
CLOSES

THREE TRIALS
(TABS B AND D)

FLAME
FAILURE

GAS CONTROL STAYS
OPEN (MAIN BURNER
RUNS).

MAIN BURNER
OPERATION

END

NO FLAME
SIMULATING
FAILURE

FLAME
PRESENT

M8527A

CALL FOR HEAT
IS SATISFIED.

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Содержание S8910U

Страница 1: ...and seven wire labels The wiring labels are included to assure proper marking of the wires attached to the existing module A complete list of the specific Honeywell and other modules that the SUPER TRADELINE S8910U is designed to replace is provided in Tables 1 through 3 NOTE The S8910U is intended to replace only defective ignition controls The service technician should make sure that the other p...

Страница 2: ...59 B Yes R 4 3 30 45 90 50E47 260 thru 269 B Yes R 4 3 0 17 60 Sensor A separate sensor is required for remote sensing applica tions Wiring Use the existing appliance wiring If repair or replacement of leadwires is required follow the instructions on the appliance label Use the included quick connect terminals according to the instructions Prepurge 32 seconds Igniter Warmup 34 seconds Between Tria...

Страница 3: ...hru 119 C Yes R 7 1 0 45 NA 50F47 120 thru 129 C Yes R 7 1 17 17 NA 50F47 130 thru 139 C Yes R 7 1 17 45 NA 50F47 140 thru 149 D Yes R 7 3 17 17 77 50F47 150 thru 159 D Yes R 7 3 17 45 77 50F47 160 thru 169 D Yes R 7 3 0 17 60 50F47 170 thru 179 D Yes R 7 3 0 45 60 50F47 201 thru 209 A Yes R 4 1 0 17 NA 50F47 210 thru 219 A Yes R 4 1 0 45 NA 50F47 220 thru 229 A Yes R 4 1 17 17 NA 50F47 230 thru 2...

Страница 4: ... No L 4 3 0 34 34 HS780 34NL 306A D No L 6a 3 0 34 34 HS780 34NL 308A D No L 8a 3 0 34 34 HS780 34NL 312A D No L 12b 3 0 34 34 HS780 34NR 104A A Yes R 4 1 0 34 NA HS780 34NR 306A D Yes R 6a 3 0 34 34 HS780 34NR 308A D Yes R 8a 3 0 34 34 HS780 34NR 312A D Yes R 12b 3 0 34 34 HS780 34PL 308A D No L 8a 3 34 34 34 Table 2 Robertshaw Control to Honeywell S8910U Cross Reference NOTE Robertshaw product i...

Страница 5: ...under a variety of input conditions to assure reliable operation REVIEW THE INSTALLATION WARNING FIRE OR EXPLOSION HAZARD CAN CAUSE PROPERTY DAMAGE SEVERE INJURY OR DEATH Follow these warnings exactly 1 Review the installation as outlined in this section 2 Plan for frequent maintenance as described in the Maintenance section When hot surface ignition systems are used on central heating equipment i...

Страница 6: ...onent and appliance operation as provided in these instructions WARNING FIRE OR EXPLOSION HAZARD CAN CAUSE PROPERTY DAMAGE SEVERE INJURY OR DEATH 1 If the ignition module gets wet it can malfunc tion leading to accumulation of explosive gas Never install where water can flood drip or condense on the module Never use a module that has been wet Replace it 2 Liquefied petroleum LP gas is heavier than...

Страница 7: ...check out the S8910U and selection tabs Use only the selection tab specified in Tables 1 through 3 for the existing module being replaced Always remove all unused selection tabs from the job site and discard them at a remote location Improper use of the selection tabs can result in appliance malfunction Fig 2 Separating and installing selection tab Wire the Module CAUTION 1 Check the wiring diagra...

Страница 8: ...s ground c Do not use the S8910U VALVE GND terminal VALVE GND and 24V GND are interconnected in the appliance wiring d Remove quick connect and replace with the included 3 16 in quick connect e Do not use this terminal if model being replaced does not have 120V neutral power supply connection f Use the black wire on the included adapter cable g Use the orange wire on the included adapter cable h O...

Страница 9: ...UICK CONNECT SUPPLIED BURNER GROUND M8528B AUTO IGNITION SYSTEMS ANSI Z21 20 STATUS LED 1 Flash Ignition Lockout 2 Flash Weak Flame Signal 3 Flash Internal Error Replace Control Pulsing Heartbeat Normal Operation S8910U HOT SURFACE IGNITION INPUT VOLTAGES 120 24 VAC 60HZ HSI 120V 6 5A MAX VALVE 24V 1A MAX TOTAL 24V LOAD 0 2 VALVE LOAD 120VAC HOT 570A0056 WARNING Explosion hazard Can cause serious ...

Страница 10: ... GROUND ADAPTER SUPPLIED TO CONNECT S8910U GND BURNER TO APPLIANCE CHASSIS BURNER GROUND M8529B AUTO IGNITION SYSTEMS ANSI Z21 20 STATUS LED 1 Flash Ignition Lockout 2 Flash Weak Flame Signal 3 Flash Internal Error Replace Control Pulsing Heartbeat Normal Operation S8910U HOT SURFACE IGNITION INPUT VOLTAGES 120 24 VAC 60HZ HSI 120V 6 5A MAX VALVE 24V 1A MAX TOTAL 24V LOAD 0 2 VALVE LOAD 120VAC HOT...

Страница 11: ...HSI HSI SENSE STARTUPAND CHECKOUT Check out the gas control system At initial installation of the appliance As part of regular maintenance procedures At maintenance intervals determined by the application As the first step in troubleshooting Any time work is done on the system Maintenance frequency must be determined individually for each application see Maintenance section WARNING FIRE OR EXPLOSI...

Страница 12: ...water solution Bubbles indicate a gas leak Tighten the joints and screws or replace component to stop a gas leak Recheck with soap and water solution e Check the burner flame condition The igniter sensor or sensor must be constantly immersed in flame Check the burner flame condition as shown in Fig 6 Do not relocate the hot surface igniter or flame rod f Turn the thermostat or controller below the...

Страница 13: ...e gas control is closed Fig 7 S8910U normal operating sequence START PREPURGE IGNITER WARMUP CALL FOR HEAT 24V TERMINAL POWERED INTERNAL SAFE START CHECK BEGINS FLAME SIMULATING FAILURE SYSTEM WILL NOT START PREPURGE IGNITER WARMS UP BETWEEN TRIAL PURGE TRIAL FOR IGNITION GAS CONTROL OPENS FOR TIMED TRIAL FOR IGNITION LOCKOUT OCCURS SYSTEM MUST BE RESET GAS CONTROL CLOSES NO FLAME IGNITER OFF FLAM...

Страница 14: ... initiates a between trial purge warmup and trial for ignition After the third trial during a single call for heat the module locks out The module must be manually reset following the lockout MAINTENANCE WARNING FIRE OR EXPLOSION HAZARD CAN CAUSE PROPERTY DAMAGE SEVERE INJURY OR DEATH Do not attempt to take apart the module or to clean it Improper assembly and cleaning can cause unreliable operati...

Страница 15: ...nections to the ignition module and to the igniter or igniter sensor are clean and tight c Ignition cable provides good electrical continuity Step 2 Check the ignition system grounding Nuisance shutdowns are often caused by a poor or erratic ground a A common ground is required for the module igniter flame sensor and main burner Check for good metal to metal contact between the igniter bracket and...

Страница 16: ...CE S8910U MODULE NOTE SYSTEM FAILURE DURING A RUN CYCLE HAS A LOW PROBABILITY OF BEING THE S8910U MAIN BURNER REMAINS POWERED AND LIT MAIN BURNER LIGHTS CHECK FOR 120 VAC ACROSS HOT SURFACE IGNITER TERMINALS NOTE IF S8910U GOES INTO LOCKOUT RESET SYSTEM CHECK CONTINUITY OF GROUND WIRE AND GROUND PATH FROM MAIN BURNER TO GND BURNER TERMINAL OF S8910U CONFIRM THAT 120 VAC HOT LEAD IS CONNECTED TO L1...

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