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S89E,F DIRECT SPARK IGNITION CONTROL MODULE

3

68-0066—4

Approvals:

Underwriters Laboratories Inc. Component Recognized: File 

No. MP268, Guide No. MCCZ2.

CSA International Certified: 158158-1047805.

Fig. 1. S89 dimensions in in. (mm).

INSTALLATION

When Installing This Product…

1.

Read these instructions carefully. Failure to follow them 

could damage the product or cause a hazardous 

condition.

2.

Check the ratings given in the instructions and on the 

product to make sure the product is suitable for your 

application.

3.

Installer must be a trained, experienced service 

technician.

4.

After installation is complete, check out product 

operation as provided in these instructions.

WARNING

Fire or Explosion Hazard.

Can cause severe injury, death or property 

damage.

1. Disconnect power supply before wiring to avoid 

electrical shock, explosion, or equipment damage.

2. If a new gas control is being installed, turn off gas 

supply before starting installation. Conduct Gas 

Leak Test after gas control is installed.

3. In an LP gas installation, remember that LP gas is 

heavier than air and will not vent upward naturally. 

Do not operate electric switches, lights, or 

appliances until you are sure that work area is free 

of gas.

4. Never install an S89 where water can flood, drip, or 

condense on the device. It can malfunction if it gets 

wet.

5. Never try to use a device that has been damp or 

wet—replace it.

6. If the control might be exposed to water or moisture, 

install it in a suitable waterproof enclosure.

7. Any replacement S89 must have the same or 

shorter lockout time 

and

 the same or longer delay 

timing as the original control.

Replacement Application Requirements

If this is a replacement application, follow the appliance 

manufacturer instructions, if available. The manufacturer 

usually provides wiring diagrams, start-up and checkout 

7/8 (22)

3-3/8 (86)

3-3/8 (86)

4-1/16 (103)

7/8 (22)

4-1/16

(103)

2 (51)

M2331

12 (305) LEADS

5-13/16

(132)

2 (51)

7/8

(22)

2-7/8 (73)

1/4 IN. Q.C.

3/8 (86)

HOLE (4)

1/4 IN. Q.C. (1)

3/16 IN. Q.C. (5)

3/8 (10)

Содержание S89E

Страница 1: ...alve on delay before ignition Available with 4 or 11 second nominal lockout timing 100 percent shutoff for use with all heating gases Ambient temperature rating is 40 F to 175 F 40 C to 80 C Separate electrodes for spark ignition and flame sensing Uses Honeywell or any other 2A or less dual valve combination gas control designed for Direct Spark Ignition DSI applications Locks out system after tri...

Страница 2: ...stem also includes 120 Vac Spark Generator with 1 5A or less current draw Q347 Spark Igniter or equivalent Q354 Flame Sensor or equivalent VR845 VR854 VR8450 or VR8305 Combination Gas Controls or any dual valve rated 2A or less and designed for DSI applications 24 to 30 Vac Thermostat HIgh Temperature Limit Controller 24V Transformer See Table 1 for VA rating Electrical Ratings Power supply Requir...

Страница 3: ... off gas supply before starting installation Conduct Gas Leak Test after gas control is installed 3 In an LP gas installation remember that LP gas is heavier than air and will not vent upward naturally Do not operate electric switches lights or appliances until you are sure that work area is free of gas 4 Never install an S89 where water can flood drip or condense on the device It can malfunction ...

Страница 4: ...trols may repeatedly set the timer to zero preventing burner start Always disconnect the external timer when using an S89E or F To disconnect the timer a Turn off power b Cut the two leadwires at the external timer c Strip the ends of the wires 1 2 in 13 mm and connect with a solderless connector d Restore power 3 Wire system components and S89 as shown in Fig 2 and 3 Refer to appliance manufactur...

Страница 5: ...gas supply 6 Gas control closes 7 The module begins the safe start check S89E 10 seconds maximum or safe start check plus valve on delay 30 seconds minimum after which the igniter starts and gas control opens 8 Time system until gas control closes S89 is now in safety lockout The lockout time should be within the specifications in Table 2 9 Open gas supply System remains off and no gas flows to th...

Страница 6: ...rn off power to the appliance for 45 seconds and then turn it on Final Checkout With power and gas supply on set thermostat to call for heat and observe operation through at least one complete cycle to make certain that all controls are operating safely OPERATION The S89 is powered by a 24V transformer It operates in response to a call for heat from the thermostat BLUE WHITE GROUND BURNER IGNITER ...

Страница 7: ...se the gas control perform a safe start check and on the S89F valve on delay then return ignition as described above The S89 is reset by turning the thermostat below room temperature or removing power to the system for 45 seconds Fig 4 Normal sequence of operation TROUBLESHOOTING WARNING Fire or Explosion Hazard Can cause severe injury death or property damage Any replacement S89 must have the sam...

Страница 8: ...itches 120 Vac to the remote mounted spark generator which in turn powers the spark igniter at the burner Check as follows 1 Shut off gas supply to the gas control 2 Disconnect the ignition cable at the spark generator stud terminal 3 Set the thermostat to call for heat 4 Reset the S89 by removing power to the module for 45 seconds WARNING Electrical Shock Hazard Can cause severe injury death or p...

Страница 9: ... SHIELD CABLE IF NECESSARY MAKE SUE BURNER SPARK IGNITER AND S89 GROUND BURNER TERMINAL HAVE EFFECTIVE COMMON GROUND POOR OR ERRATC GROUND WILL CAUSE NUISANCE SHUTDOWNS CHECK FOR CRACKED INSULATOR ON IGNITER OR FLAME SENSOR REPLACE DEVICE WITH CRACKED INSULATOR TO PREVENT SHORT TO GROUND NOTE IF S89 LOCKS OUT RESET BEFORE CONTINUING CHECK FOR 24 VAC ACROSS VALVE AND VALVE GROUND TERMINALS ON S89 I...

Страница 10: ...current must be at least 0 8 µA and steady 3 If the meter reads less than 0 8 µA or reading is unsteady recheck points under Check Flame Sensor and Igniter above Fig 6 S89 flame current measurement Fig 7 Check burner flame condition GND BURNER 24V GND 24V VALVE VALVE GND SENSE TO SENSOR BLACK RED M19840 FLAME SENSOR CURRENT CHECK USE µA SCALE 0 8 µA DC MINIMUM AND STEADY DISCONNECT WIRE FROM SENSE...

Страница 11: ...24 V THERMOSTAT SAFE START CHECK CIRCUIT ALTERNATE LIMIT ON OFF SWITCH 24 V GND GND BURNER SENSE WHITE FLAME SENSOR SPARK IGNITER RELAY BLUE BLUE BLACK WIRING EXTERNAL TO S89 WIRING INSIDE S89 2K1 1K2 2K2 SPARK IGNITER SPARK GENERATOR VALVE SPARK IGNITER RELAY 1K 2K VALVE GND SENSOR CIRCUIT TIMING CIRCUIT DUAL VALVE L1 HOT L2 ...

Страница 12: ...IRECT SPARK IGNITION CONTROL MODULE Fig 9 S89F simplified control system schematic M19843A LIMIT CONTROL AIR PROVING SWITCH COMBUSTION AIR BLOWER 24 V THERMOSTAT SAFE START CHECK VALVE ON DELAY CIRCUIT COMBUSTION AIR BLOWER RELAY ALTERNATE LIMIT ON OFF SWITCH 24 V GND GND BURNER SENSE WHITE FLAME SENSOR SPARK IGNITER RELAY BLUE BLUE BLACK WIRING EXTERNAL TO S89 WIRING INSIDE S89 2K1 1K2 2K2 SPARK ...

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