manualshive.com logo in svg

Honeywell SmartValve SV9520H, Руководство пользователя, Страница: 12 / 16

Поделиться
Скачать
Honeywell SmartValve SV9520H Скачать руководство пользователя страница 12

SV9520H SMARTVALVE™ SYSTEM CONTROL LINE VOLTAGE POLARITY SENSE MODELS

69-1383

12

Fig. 11. SV9520 sequence of operation.

APPLY POWER TO APPLIANCE

THERMOSTAT CALLS FOR HEAT

AIR PROVING SWITCH PROVED 
OPEN? 

COMBUSTION AIR BLOWER ON

HOT SURFACE IGNITER ON 
FOR WARM-UP TIME

CIRCULATING AIR FAN ON 
AFTER DELAY

MAIN BURNER LIGHTS AND IS 
SENSED DURING TRIAL
 FOR IGNITION?

 MAIN VALVE OPENS

HOT SURFACE IGNITER OFF

FLAME SENSE LOST?

THERMOSTAT CALL FOR 
HEAT ENDS

FIVE-MINUTE WAIT PERIOD

WAIT FOR AIR PROVING
SWITCH TO OPEN    

FLAME SENSE LOST MORE 
THAN FIVE TIMES IN THIS CALL
 FOR HEAT OR OTHER 
ABNORMAL OPERATION?

PREPURGE

30 SECONDS
BETWEEN TRIAL PURGE

AIR PROVING SWITCH PROVED 
CLOSED WITHIN 30 SECONDS?

COMBUSTION AIR BLOWER OFF

MAIN VALVE CLOSES

COMBUSTION AIR BLOWER 
OFF AFTER POST PURGE

1 HOUR AUTO LOCKOUT
 RESET DELAY

MAIN VALVE CLOSES

COMBUSTION AIR BLOWER OFF 
AFTER POST PURGE

CIRCULATING AIR FAN OFF
AFTER DELAY

WAIT FOR NEXT CALL FOR HEAT

FAILED TRIALS FOR IGNITION 
LESS THAN FOUR DURING
THIS IGNITION SEQUENCE?

NO

NO

YES

YES

YES

NO

NO

MAIN VALVE CLOSES

YES

YES

NO

YES

NO

M17610

SV9520 DIRECT HOT SURFACE IGNITION SmartValve™ SYSTEM CONTROL 

SEQUENCE OF OPERATION WITH ST9160 ELECTRONIC FAN TIMER OR 208907 TERMINAL BOARD 

2

3

1

CIRCULATING AIR FAN OFF
AFTER DELAY

2

1

2

3

WHEN SmartValve™ IS POWERED, LED WILL BE IN 
"HEARTBEAT" MODE (BRIGHT-DIM-BRIGHT-DIM, ETC.).

THIS FUNCTION OCCURS ONLY WITH ST9160 
CONNECTED TO SmartValve™ SYSTEM CONTROL.

SEE TROUBLESHOOTING SECTION FOR DETAILED INFORMATION.

1

Содержание SmartValve SV9520H

Страница 1: ... control is removed when the thermostat call for heat ends This system is suitable for a wide range of fan assisted combustion gas fired appliances including furnaces rooftop furnaces boilers unit heaters infrared heaters water heaters and commercial cooking appliances The specific application of the SmartValve System is the responsibility of the appliance manufacturer See Table 2 for temperature ...

Страница 2: ...pressure drop Table 4 Gas Capacity Conversion Factor Table 5 Adapter Flange Part Numbers a Flange kits include one flange one O ring and four mounting screws PLANNING THE INSTALLATION WARNING Fire or Explosion Hazard Can cause property damage severe injury or death Follow these warnings exactly 1 Plan the installation as outlined below 2 Plan for frequent maintenance as described in the Maintenanc...

Страница 3: ...l Shock Hazard Can cause serious injury or death Disconnect power supply before installation More than one disconnect may be necessary Connect the appliance chassis to earth ground Make sure the 120 Vac neutral line and earth ground are electrically common at the breaker box INSTALLATION When Installing this Product 1 Read these instructions carefully Failure to follow them could damage the produc...

Страница 4: ...he control after completing the installation includes leak testing the adapters and screws If you use a wrench on the valve after the flanges are installed use the wrench only on the flange not on the control See Fig 5 Location The SV9520H is mounted in the appliance vestibule on the gas manifold CAUTION Equipment Damage Hazard Water can damage equipment and wiring Do not locate where water can dr...

Страница 5: ...ol inlet and outlet if necessary 6 Connect the pipe to the ignition system control inlet and outlet Use a wrench on the square ends of the ignition system control If a flange is used place the wrench on the flange rather than on the ignition system control Refer to Fig 4 and 5 Fig 4 Top view of ignition system control Fig 5 Proper use of wrench on ignition system control with and without flanges P...

Страница 6: ...commonality STARTUP AND CHECKOUT Ignition System Control Switch Settings Ignition system control switch settings are as follows OFF prevents main gas flow through the ignition system control ON permits gas to flow through the control body At the appropriate time in the appliance operation main gas can flow to the main burner NOTE Controls are shipped with the ignition system control switch in the ...

Страница 7: ...river turn the inner adjustment screw clockwise to increase or counterclockwise to decrease the gas pressure to the burner c Always replace the cap screw and tighten firmly to prevent gas leakage 4 If the desired outlet pressure or flow rate cannot be achieved by adjusting the ignition system control check the ignition system control inlet pressure using a manometer at the ignition system control ...

Страница 8: ...ening model to assure lightoff at step pressure Model Type Type of Gas Nominal Inlet Pressure Range Factory Set Nominal Outlet Pressure Setting Range Step Full Rate Step Full Rate Slow NAT 5 0 to 7 0 3 5 3 0 to 5 0 LP 12 0 to 14 0 10 0 8 0 to 12 0 Model Type Type of Gas Nominal Inlet Pressure Range Factory Set Nominal Outlet Pressure Setting Range Step Full Rate Step Full Rate Slow NAT 1 2 to 1 7 ...

Страница 9: ...ls 3 Observe LED indicator on SV9520 check and repair the system as noted in Table 9 4 After LED flash code analysis and appliance repair are complete turn thermostat below room temperature for 10 seconds turn the thermostat above room temperature to initiate a new call for heat 5 Observe the ignition sequence comparing it to the Sequence of Operation shown in Fig 11 Allow the new ignition sequenc...

Страница 10: ...tion comparing it to the Sequence of Operation shown in Fig 11 Allow the ignition sequence to proceed until the appliance lights or an abnormal or unexpected event is observed Be sure to wait long enough for one of the LED diagnostic codes to flash 7 Observe the LED indicator on the SmartValve check and repair the system as noted in Table 10 8 After analysis and repair are complete turn off applia...

Страница 11: ...reset the safety control 2 Disconnect all electric power to the appliance 3 Remove the ignition system control access panel 4 Move the ignition system control switch to the OFF position 5 Wait five minutes to clear out any unburned gas If you then smell gas STOP Follow Step 1 in the Warning above If you do not smell gas continue with the next step 6 Move the ignition system control switch to the O...

Страница 12: ...R PROVING SWITCH PROVED CLOSED WITHIN 30 SECONDS COMBUSTION AIR BLOWER OFF MAIN VALVE CLOSES COMBUSTION AIR BLOWER OFF AFTER POST PURGE 1 HOUR AUTO LOCKOUT RESET DELAY MAIN VALVE CLOSES COMBUSTION AIR BLOWER OFF AFTER POST PURGE CIRCULATING AIR FAN OFF AFTER DELAY WAIT FOR NEXT CALL FOR HEAT FAILED TRIALS FOR IGNITION LESS THAN FOUR DURING THIS IGNITION SEQUENCE NO NO YES YES YES NO NO MAIN VALVE ...

Страница 13: ...hes Limit string open Combustion air blower is energized If control system includes ST9160 Electronic Fan Timer the heat speed circulating air fan will be energized System waits for limit string to close then initiates a new ignition sequence 1 Open high temperature or auxiliary limit switch 2 Open manual reset or auto reset burner rollout switch in the limit circuit 3 Limit and rollout switch cir...

Страница 14: ... inducer wiring 2 Low line voltage power supply 3 Airflow proving switch operation tubing wiring 4 Obstructions or restrictions in appliance air intake or exhaust flue system that prevent proper combustion airflow 5 Other devices such as auxiliary limits in the airflow proving circuits 6 4 Flashesa b Soft Lockout Recycle count exceeds 5 on this call for heat last failure was Limit Circuit Opened D...

Страница 15: ...hes Limit string open Combustion air blower is energized If control system includes ST9160 Electronic Fan Timer the heat speed circulating air fan will be energized System waits for limit string to close then initiates a new ignition sequence 1 Open high temperature or auxiliary limit switch 2 Open manual reset or auto reset burner rollout switch in the limit circuit 3 Limit and rollout switch cir...

Страница 16: ... 2 Low line voltage power supply 3 Airflow proving switch operation tubing wiring 4 Obstructions or restrictions in appliance air intake or exhaust flue system that prevent proper combustion airflow 5 Other devices such as auxiliary limits in the airflow proving circuits 6 4 Flashesa b Soft Lockout Recycle count exceeds 5 on this call for heat last failure was Limit Circuit Opened During Run 1 Ope...

Отзывы:

Нет отзывов