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Pitco SEH50, Техническое обслуживание и развернутые схемы компонентов, Страница: 7 / 40

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7

L22-238  Rev 0 (08/03)

US

CAN

GB

•If display reads "Prob" "HI", ohm test the temperature
probe and the wires and connectors between the probe
and controller for a short.
•If display reads "drn" "tUrn" "oFF", verify that the drain
valve is closed, check the proximity switch on the drain
valve.

Primary Solid State Control:

Note:

 All controller test points are at connector P/J3 (the

12 pin connector at the controller).

•24 VAC is supplied to the controller at pin #1(24VAC
supply) and pin # 5 (24 VAC input from DVI),
•With the controller turned on, there will be a 24 VDC
output at pin #9 (side on) and the green indicator will be
illuminated.
•When the controller calls for heat, there will be a 24 VDC
output at pin #8 (heat demand), the yellow indicator on the
left will be illuminated and there will be a 24 VAC input at
pin #6 (heat feed back).
•When the controller receives the 24 VAC input at pin #6,
the yellow indicator on the right will illuminate. If the con-
troller does not receive the 24 VAC input at pin #6, the
indicator will not illuminate. This would indicate a break in
the heat demand or heat feed back circuit.

1. Check the hi-limit switch (is it open or tripped).
2. Check the ignition module (sensing pilot flame,
locked out, 24 VAC at MV terminal).
3. Check the heat demand relay (H.D.) on the relay
board (is heat demand relay energized, continuity
through COM and NO contacts).

•If the green indicator and the yellow indicator on the left
come on and shut off when the controller is turned on, that
indicates an open or shorted probe or wires in between
the probe and the controller.
•If none of the indicators illuminate when the controller is
turned on, verify that the drain valve is closed and that the
magnetic proximity switch has continuity when the drain
valve is closed. Also verify that there is 24 VAC at pin #1
(24 VAC supply) and pin #5 (24 VAC input from DVI).

Backup Solid State Control:

The backup solid state control works the same as the pri-
mary solid state control, with the exception of the 24 VAC
supply passing through the solid state backup transfer
switch to the computer or solid state digital control.
If the transfer switch is set to backup or if the backup

controller has been unplugged, the primary controller
will not work. The jumper must be installed on the
relay board (connection J33) to allow the primary
controller to function if the backup controller is re-
moved.

Optional Basket Lift:

•The basket lift is a self contained unit that requires a
120, 208 or 240V supply. With most fryer configura-
tions, the power is supplied from the entrance box at
the back of the fryer but some cofigurations will re-
quire power direct from a wall outlet.
•When supply voltage is applied to the basket lift as-
sembly, it goes through a voltage selector switch to a
multi tap 24V, 80VA transformer. The transformer sup-
plies 24 VAC to the driver board at connection J54.

Note

: When power is supplied to basket lift assem-

bly, the baskets will lift to the up position.
•When a timer is activated, it will send a 24 VDC
signal to pin #1 (24 VDC+) at connector J51 on the
driver board. The driver board will generate a 24 VDC
output at J53 to the basket lift motor, lowering the
basket.

Note:

 For the purpose of testing, jumping pins #1

and #2 at connection J5 on the driver board will simu-
late a 24 VDC signal from the controller, lowering the
basket.

Содержание SEH50

Страница 1: ...and Exploded Parts For Electric Fryers Covering Models SEH50 Full and Split Pitco Frialator Inc P O Box501 JctI 89 I 93Concord NH03302 0501 509Route3A Bow NH03304 800 258 3708 603 225 6684 FAX 603 225 8497 www pitco com FRANCAIS US CAN GB ...

Страница 2: ...RVICE TECHNICIAN THE MODEL SERIAL NUMBER AND ELECTRICAL REQUIREMENTS STAMPED INTO THE DATA PLATE LOCATED ON THE INSIDE PANEL OF THE DOOR NOTICE THISAPPLIANCE IS INTENDED FOR PROFESSIONAL USE ONLY ANDAS SUCH SHOULD BE OPERATED BY FULLY TRAINED PERSONNEL NOTICE IT IS RECOMMENDED THAT THIS MACHINE BE INSPECTED BYAQUALIFIED TECHNICIAN ONAYEARLY BASIS WARNING THE POWER SUPPLY MUST BE DISCONNECTED SERVI...

Страница 3: ...Chart 4 Basic Trouble Shooting 6 Relay Board Component Explanation 8 Reserved for Ladder Diagram 11 Reserved for Schematics 12 25 Basic Parts List 27 Exploded Drawings 28 37 Element and Tank Components 28 Pump Box and Drain Manifold 30 Main Entrance Box 32 Pump Assembly and Filter Pan 34 Wire Harness 36 US CAN GB ...

Страница 4: ...F 20 F the computer will have to be turned off and back on for the unit to heat Filter System Opening the RED return valve handle will close the proximityswitchcausingthe pumprun relayto beenergized Thepumpmotorwillbegintorun Closingthereturnvalvehandlewillde energizethe relayandthepumpmotorwillstoprunning Thepumpsystemisequippedwithacircuitbreaker whichwillde energizethesystemandtheheattape in th...

Страница 5: ...istor to simulate a 230 F 275 F temperature This will cause the elementstoheatcontinuouslyuntilthehi limittripsorthe fryeristurnedoff If the fryer is equipped with a computer or digital controller plug the resistor in at connector J41 behindthefrontpanel If the fryer is equipped with a solid state controllerbehind the door plug the resistor in at connector J43 behind the front panel If the switch ...

Страница 6: ...n 8 heat demand and a 24VAC input at pin 6 heat feed back If the controller does not receive the 24VAC input at pin 6 in approximately 90 seconds the controllerwilldisplay HEATFAIL or IGNITIONFAIL URE This would indicate a break in the heat demand or heat feed back circuit 1 Check the hi limit switch is it open or tripped 2 Check the ignition module sensing pilot flame locked out 24VAC at MVtermin...

Страница 7: ...d the controller Ifnoneoftheindicatorsilluminatewhenthecontrolleris turnedon verifythatthedrainvalveisclosedandthatthe magnetic proximity switch has continuity when the drain valve is closed Also verify that there is 24VAC at pin 1 24 VAC supply and pin 5 24VAC input from DVI Backup Solid State Control The backup solid state control works the same as the pri marysolidstatecontrol withtheexceptiono...

Страница 8: ...efective D Check input power Repair or call a qualified electrician Oil is hotter or colder than computer controller displays A Temperature calibration B Probe C Probe wiring terminals A Adjust temperature offset up to 10 F B Check replace if defective C Clean or repair terminals Computer displays DRAINING or TURN OFF A Blue drain valve not fully closed B Sensor switch C Incorrect switch gap align...

Страница 9: ...Sensor switch C Incorrect switch gap alignment A Check position of handle B Switch may be loose or have loose wires replace if defective C Check gap alignment replace if defective Oil is returning to the vat slowly or not at all A Dirty filter paper B Strainer cap dirty C Filter pan not pushed in completely D O rings not sealing on pick up tube A Change filter paper B Remove strainer cap and clean...

Страница 10: ...nput voltage from transformer Relay Board Note Note If the fryer is equipped with a computer or solid state digital at connection J33 there will be a jumper from pin 2 to pin 10 to supply 24 VAC to pin 2 at connection J31 to supply the controller with 24VAC J connectors are marked on the relay board With 24 VAC supplied to pin 2 at connector J35 and a good F1 fuse the relay board will have a 24 VA...

Страница 11: ...ND ENABLE HEAT DEMAND TO DRAIN OR FLOAT SWITCH 24VACH 1 3 NONE BASKET LIFT R BASKET LIFT L SIDE ON DC HEAT DEMAND 24VDC RETURN 24VAC RETURN HEAT FEEDBACK 6 2 4 5 7 8 10 9 TEMPERATURE TO PRIMARY COOKING CONTROLLER FUSE SIDE ON K3 K1 HEAT DEMAND HEAT FEED BACK 24VACH POWER 24VACN RETURN DRAIN OR FLOAT SWITCH 24VAC POWER SWITCHED HEAT DEMAND NONE NONE SIDE ON DC RETURN NONE NONE 7 DC COMMON BASKET LI...

Страница 12: ...10 L22 238 Rev 1 08 03 Schematics ...

Страница 13: ...DBACK INPUT 24 VAC INPUT 24 VAC COMMON 24 VAC RELAY BOARD SIDE ON HEAT DEMAND HEAT DEMAND CONTACTOR SIDE ON CONTACTOR F1 FUSE TRANSFORMER AC SO HD 24 VAC COMMON HI LIMIT SWITCH DOMESTIC ONLY DRAIN SWITCH NO NC NO NC HI LIMIT RESET 24 VAC COMMON 24 VAC TO TRANSFORMER TO HI LIMIT SWITCH CONNECTOR CE EXPORT ONLY ...

Страница 14: ...12 L22 238 Rev 1 08 03 ...

Страница 15: ...13 L22 238 Rev 1 08 03 ...

Страница 16: ...14 L22 238 Rev 1 08 03 ...

Страница 17: ...15 L22 238 Rev 1 08 03 ...

Страница 18: ...16 L22 238 Rev 1 08 03 ...

Страница 19: ...17 L22 238 Rev 1 08 03 ...

Страница 20: ...18 L22 238 Rev 1 08 03 ...

Страница 21: ...19 L22 238 Rev 1 08 03 ...

Страница 22: ...20 L22 238 Rev 1 08 03 ...

Страница 23: ...21 L22 238 Rev 1 08 03 ...

Страница 24: ...22 L22 238 Rev 1 08 03 ...

Страница 25: ...23 L22 238 Rev 1 08 03 ...

Страница 26: ...24 L22 238 Rev 1 08 03 ...

Страница 27: ...25 L22 238 Rev 1 08 03 ...

Страница 28: ...26 L22 238 Rev 0 08 03 Exploded Drawings and Parts Lists ...

Страница 29: ...aker 208 240V 60130301 120 24V Transformer 60130302 230 240 24V Transformer 60130303 208 24V Transformer PP11058 24VAC SPST Relay 120V 60104701 24VAC DPDT Relay 208 240V 60132701 0 2A Time Delay Fuse 60133503 120V Heat Tape Pump 60133504 230 240V Heat Tape Pump 60133501 120V Heat Tape Flush Hose 60133502 230 240V Heat Tape Flush Hose PP11104 1 Viton O ring 60138701 Full LH Non Locking Drain Valve ...

Страница 30: ... Element 230V 50006612 Element 240V 50006613 Element 480V 4 60088003 Bolt Element 1 4 x20x3 4 SS 5 60141201 Hi Limit Switch 6 A3342902 Lower Hi Limit Bracket 7 PP11366 Screw 10 24 X 5 8 PHH SS TF 8 A3342802 Upper Hi Limit Bracket 9 PP10665 Screw 10 24 X 3 8 10 B6700605 C Temperature Probe 11 A3342504 Rear Probe Bracket 12 A4108302 Splash Back 13 A3342502 Front Probe Bracket 14 60138101 Basket Hang...

Страница 31: ...29 L22 238 Rev 0 08 03 Figure 1 ...

Страница 32: ...Non locking Handle 60138703 Drain Valve Full Right Split W Locking Handle 6 A7021701 Drain Valve Nipple 7 A7022201 Drain Flange 8 A7022101 Drain Ferrule 9 B6665101 Drain Elbow 10 60088002 Hex Bolt 3 8 x16x1 1 4 11 P0082700 Lock Washer 3 8 12 60127701 Drain Line Clamp 13 60059302 Drain Line Gasket 14 B6664701 Drain Down Spout Full Full B6673301 Drain Down Spout Split 15 60138702 Drain Valve Left Sp...

Страница 33: ...31 L22 238 Rev 0 08 03 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 Pump Entrance Box viewed from bottom Figure 2 ...

Страница 34: ...60127301 Relay Board 60132901 Relay Board Insulation 3 P5047301 3 Post Terminal Block 4 60139201 Heat Demand Contactor 5 PP10560 Side On Contactor 6 PP10429 Transformer 120 208 240VAC 7 60140701 Rcpt 10A 250V IE320F Screw In 8 P5045282 4 Post Terminal Block 9 B5305001 DVI Return Switch PP10263 DVI Return Actuator not shown ...

Страница 35: ...33 L22 238 Rev 0 08 03 1 2 3 4 5 6 7 8 9 4 2 4 5 6 3 Figure 3 ...

Страница 36: ...VAC Motor Only PP10417 5 GPM Pump Only 11 P6071516 3 4 x 4 NPT Nipple 12 PP11104 1 x 1 18 viton O ring 3 required 13 A7027602 Pickup Tube Receiving Block 14 P7036603 3 4 NPT Coupling 15 60132201 Hose Teflon Swivel FxMPT 16 60128008 Tbg Flex Return Line 0 5 x 15 5 60128009 Tbg Flex Return Line 0 5 x 19 60128010 Tbg Flex Return Line 0 5 x 22 60128011 Tbg Flex Return Line 0 5 x 10 17 60131801 Return ...

Страница 37: ...35 L22 238 Rev 0 08 03 20 21 22 23 1 1 2 3 4 6 7 8 9 10 11 12 5 13 14 15 16 17 18 19 Figure 4 ...

Страница 38: ...753701 WRG HV DELTA SGL SEH50 B6754001 WRG HV WYE DUAL SEH50 HIGH VOLTAGE HARNESSES NOT SHOWN B6752401 WRG CNTRL LFT SNGL SEH50 B6752501 WRG CNTRL RIGHT SEH50 NOT SHOWN 2X 3 0 COIL 4 5 L1 A1 A2 10 0 K10L COIL A B P35 P34 P32 J 4 3 J41 5 0 2 5 7 B 6 4 0 A 1 T1 BS1 K10L GND STRIP J 8 J 5 J7 J 4 J2 P2 2 8 4 3 5 0 4 0 2 5 9 0 24VAC 2 5 5 5 12 0 2 5 5 5 L3 3 4 2 5 2 1 10 6 2X 2X 3 0 9 5 1 10 1 B 0 5 6 ...

Страница 39: ... BK 10 11 J 1 2 3 4 5 6 7 8 9 12 9 12 8 7 6 5 2 3 4 1 11 10 1 25 1 25 60 00 J1 J2 SCHEMATIC Y BK GR W BK BK R P3 BL BK BK 10 11 P2 1 2 3 4 5 6 7 8 9 12 9 12 8 7 6 5 2 3 4 1 11 10 1 25 228 00 P2 P3 4 50 50 TO REAR OF FRYER TO HOOD MOUNTED CONTROLLER 50 B6749401 CABLE EXTERNAL REMOTE B6749301 CABLE INTERNAL REMOTE GND N L GND N L 60128501 CORD FEMALE IEC NEMA 5 15 Figure 6 ...

Страница 40: ...tern Standard Time Monday through Friday toll free at 800 258 3708 US and Canada only or 603 225 6680 In the event of problems with or questions about your order please contact the Pitco Frialator Autho rized Service and Parts representative ASAP covering your area through Pitco at 800 258 3708 US only 24 hours L22 238Rev0 08 03 ...

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