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Repair

309524L

Repair

Hazardous Location Heaters: See F

. 15 & 17

Non-hazardous Location Heaters: See F

. 16 & 18

Primary Thermostat & Probe

Follow Pressure Relief Procedure, page 14.

Remove housing cover (18).

Hazardous Location Heater only: Loosen nut (27).

Non-hazardous Location Heater only: Loosen
screws (25).

Loosen setscrew (26) in switch shaft (28).

Remove screw (16) and bracket (19) holding probe
(EE).

Remove wires from the primary thermostat termi-
nals (FF).

Pull thermostat probe (EE) out of heater block (3).
Remove thermostat (24) from housing (1).

Hazardous Location Heater only: Remove screws
(25).

Non-hazardous Location Heater only: Remove
screw standoff (35) with washer (27).

Remove bracket from thermostat (24) and secure to
new thermostat.

10. Liberally apply thermal lubricant (part no. 110009) to

probe (EE) of new thermostat (24). Loop capillary
tube (GG) several times and wrap the loops with tie
strap (42-not shown). Insert probe in the heater
block (3).

11. Continue reassembling in reverse order of disas-

sembly. See Reassembly Notes, below.

Backup Thermostat

Follow Pressure Relief Procedure, page 14.

Remove housing cover (18).

Remove screws (HH) on backup thermostat (10)
tabs, and remove the wires – one from heater block
(3A) and one from line in (9B).

Remove the two screws (16), then remove the ther-
mostat (10).

Liberally apply thermal lubricant (part no. 110009) to
the bottom of the thermostat (10) and reinstall it in
reverse order of disassembly.

WARNING

Read warnings, pages 4-5. Make sure the main power
is off and heater is cool before repairing.

CAUTION

To avoid damaging capillary tube (GG), which can
cause heater malfunction, do not kink or nick the tube.

To avoid shorting out the heater, do not allow capillary
tube to contact the block terminal (3A). Follow step
10, below.

Reassembly Notes

•

Refer to F

. 15 or 16 for wiring connections.

•

Non-hazardous Location Heater only: Make
sure gasket (47) is installed and aligned with
electrical housing screw holes.

•

Secure cover (18) with lockwashers (5) and
screws (6 or 52); torque screws to 89 in-lb (10
N•m).

Содержание VISCON HP 245848

Страница 1: ...7250 psi 50 MPa 500 bar Maximum Working Pressure Important Safety Instructions Read all warnings and instructions in this manual Save these instructions See page 2 for model numbers descriptions and a...

Страница 2: ...additional information 245863 A 240 4000 16 7 245864 A 480 4000 8 30 245862 A 200 4000 20 0 Approved Exd II T2 482 F 250 C Certificate No ISSeP 07ATEX034X Approved to EN 60079 0 2006 IEC 60079 0 2004...

Страница 3: ...ardous Location Heaters 24 Accessories 26 Technical Data 28 Dimensions 28 Translations 29 Graco Standard Warranty 30 Graco Information 30 Translations Manual available in following languages Manual Co...

Страница 4: ...t and paint fumes in work area can ignite or explode To help prevent fire and explosion Use equipment only in well ventilated area Eliminate all ignition sources such as pilot lights cigarettes and pl...

Страница 5: ...safety regulations BURN HAZARD This equipment is used with heated fluid which can cause equipment surfaces to become very hot To avoid severe burns Do not touch hot fluid or equipment Allow equipment...

Страница 6: ...ilter C Air Regulator and Gauge D Air Line Lubricator E Pump Runaway Valve F Ground Wire G Pump H Explosion Proof Power Switch J Power Cable K Heater L Fluid Filter M Drain Valve N Fluid Pressure Regu...

Страница 7: ...metal surfaces Insulate and or label lines and components exiting heater that may become hot Chart Notes The greater the flow rate the less the heat loss Foam insulated steel tubing and high pres sur...

Страница 8: ...k washer NN not supplied to secure the bracket to the wall The heater has a surface temperature of T2 482 F 250 C Follow temperature code when locating heater See Technical Data page 28 for more tempe...

Страница 9: ...a properly sized accumulator down stream from the heater Install a pressure relief valve X pre set to relieve pressure when it exceeds the system maximum working pressure 3 Install a fluid filter L dr...

Страница 10: ...readed metal conduits 2 Unused threaded holes must be sealed by certified flameproof plugs which must be screwed in with a minimum of 5 full threads engaged and an 8 mm length of engaged threads WARNI...

Страница 11: ...a properly grounded power supply through the electrical connections and external ground ing lug 8 In a mobile installation also ground the truck or trailer to a true earth ground FIG 7 Wall Mounted Wi...

Страница 12: ...sample in the water 4 At every 10 temperature rise measure and record the viscosity and temperature Do this until solvents start boiling off and the viscosity starts to level off usually 160 170 F 71...

Страница 13: ...than the enamel This means the high solid fluid is temperature sensitive and you need to take this into consideration when planning your system Once the fluid is reduced to about 34 on the chart vis...

Страница 14: ...hich needs to be flushed out before using the equipment Ensure main power is off and heater is cool before flushing Use a compatible solvent and follow flushing instructions in your fluid supply and s...

Страница 15: ...tch the desired tem perature adjust the setpoint Adjusting for Spraying 1 Adjust pump pressure and heater setpoint to the lowest settings needed for good fluid atomization 2 Set all system back pressu...

Страница 16: ...lvent Draining Heater FIG 12 1 Follow Pressure Relief Procedure page 14 2 Remove heater inlet and outlet fittings Have a con tainer ready to catch the fluid Unclogging Fluid Passages FIG 13 1 Drain th...

Страница 17: ...Adjust setting Page 15 Flow rate too high Reduce flow rate or use 2 heaters Clogged fluid passages Flush regularly Page 16 Temperature too high Wrong temperature setting Adjust setting Page 15 Failed...

Страница 18: ...t probe in the heater block 3 11 Continue reassembling in reverse order of disas sembly See Reassembly Notes below Backup Thermostat 1 Follow Pressure Relief Procedure page 14 2 Remove housing cover 1...

Страница 19: ...FF 1 26 28 TI12335C 25 REF 19 3A 15 HH 3B REF 10 9A 9B GND L1 L2 Wiring Diagram TI12339 20 48 50 51 55 53 52 54 62 62 63 63 3 FIG 16 Thermostat Repair Non hazardous Heaters Apply thermal lubricant To...

Страница 20: ...cal junction box cover 4 4 Hazardous Location Heater only In the junction box 1B disconnect the main power lead from the ter minal of the post bushing 9A Non hazardous Location Heater only Disconnect...

Страница 21: ...1 2 3 4 5 1 TI2334E 6 5 18 24 29 6 5 9A 1 2 3 4 10 15 REF 3A REF 3 3A 3B 3 5 6 1 4 1B 1A 4 JJ 30 33 12 62 63 63 62 5 FIG 18 Control Repair Non hazardous Location Heaters Torque to 89 in lb 10 N m Elec...

Страница 22: ...5 35 26 28 29 30 33 12 16 19 15 16 10 6 5 REF 1 1 9 2 3 7 8 5 6 32 14 43 14 36 4 3 Torque to 89 in lb 10 N m Apply sealant Apply thermal lubricant Torque nuts 62 to 10 12 in lb 1 1 1 3 N m 1 2 3 4 1 2...

Страница 23: ...72 BRACKET 2 20 15B828 LIGHT HOUSING 1 21 108664 ALLEN WRENCH 6 mm 1 22 105747 ALLEN WRENCH 2 mm 1 23 101369 ALLEN WRENCH 0 0927 in 1 24 108676 PRIMARY THERMOSTAT 1 25 100032 SCREW 6 32 UNC 2A 2 26 10...

Страница 24: ...10 9 5 18 47 26 28 27 35 25 29 30 33 32 2 3 31 5 6 8 16 19 16 14 36 14 43 Torque to 89 in lb 10 N m Apply sealant Apply thermal lubricant Torque nuts 62 to 10 12 in lb 1 1 1 3 N m 1 2 3 4 3 1 2 2 1 3...

Страница 25: ...ACKET 2 20 15B828 LIGHT HOUSING 1 21 108664 ALLEN WRENCH 6 mm 1 22 105747 ALLEN WRENCH 2 mm 1 23 101369 ALLEN WRENCH 0 0927 in 1 24 108676 THERMOSTAT SWITCH 1 25 100032 SCREW 6 32 UNC 2A 4 26 105672 S...

Страница 26: ...110160 600 V 12 Awg Extra Hard Usage Type St High Temperature 221 F 105 C rated Thermal Lubricant 110009 6 5 gram tube Cable Clamp Kit 246303 Contains a strain relief cable clamp and 5 m 221 F 105 C c...

Страница 27: ...Tighten with no more than 2 in 50 mm stripped black and blue wires and 4 in 100 mm yellow green ground wire inside terminal junction box 6 Place one side of retaining clip onto retaining clip nut and...

Страница 28: ...of Part 1 of the Canadian Electrical Code Read and comply with the requirements of these and similar codes as to proper location of the heater Maximum Working Pressure 7250 psi 50 MPa 500 bar Voltage...

Страница 29: ...Dimensions 309524L 29 Dimensions Measurements inches mm L K G H J 1 2 npt m Fluid Inlet 1 2 npt f Fluid Outlet 3 4 npt f Electrical Conduit Port G H J K L 9 375 238 8 46 215 6 5 165 18 457 6 375 162...

Страница 30: ...se any defect in material or workmanship repairs will be made at a reasonable charge which charges may include the costs of parts labor and transportation THIS WARRANTY IS EXCLUSIVE AND IS IN LIEU OF...

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