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Roberts Gorden EP 301, Installation, Operation & Service Manual

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Roberts Gorden EP 301 Installation, Operation & Service Manual Download Page 18

EP-300 S

ERIES

 P

UMP

 I

NSTALLATION

, O

PERATION

 

AND

 S

ERVICE

 M

ANUAL

12 of 31

FIGURE 4: Pump Assembly

5.2 Pump Impeller Rotation

Rotation of impeller, as 

v

ie

w

ed from behind motor, 

m

u

st be clock

w

ise 

w

hen p

u

mp discharge orientation 

is bottom left horizontal. Rotation of impeller, as 

v

ie

w

ed from behind motor, m

u

st be co

u

nterclock

w

ise 

w

hen p

u

mp discharge orientation is bottom right hori-

zontal. An arro

w

 label on p

u

mp scroll indicates direc-

tion of impeller rotation. To set rotation direction, see 

w

iring diagram located on motor, after completing 

Section 5

.

FIGURE 5: Pump Impeller Rotation

Side View

M8 Screw

Stud

Scroll Assembly

Impeller

End View

M8 Hexnut

and Washer

M8 Hexnut

and Washer

Vertical

Mounting

Plate

Inlet Assembly

Description

Part Number

P

u

mp Scroll

90713451

Hex N

u

t, M8 (24)

92204502

Washer, M8 x 16 OD x 1.6

95204502

Impeller

90713340

Clockwise Rotation

Counterclockwise Rotation

Arrow showing direction of rotation

 (located on the scroll housing)

Bottom Left Horizontal Discharge Position

Bottom Right Horizontal Discharge Position

Summary of Contents for EP 301

Page 1: ...ing this equipment Installer Please take the time to read and understand these instructions prior to any installation Installer must give a copy of this manual to the owner Owner Keep this manual in a safe place in order to provide your service technician with necessary information Roberts Gordon LLC 1250 William Street P O Box 44 Buffalo New York 14240 0044 Telephone 1 716 852 4400 Fax 1 716 852 ...

Page 2: ......

Page 3: ...and Wiring 14 6 1 Pressure Switch Installation 14 SECTION 7 Pump Mounting Instructions 15 7 1 Mounting Platform 15 SECTION 8 Motor Wiring 16 8 1 Impeller Rotation Direction 16 8 2 EP 301 Wiring 16 8 3 EP 303 Wiring 17 SECTION 9 Venting 19 9 1 General Venting Requirements 19 9 2 Venting the Pump 19 9 3 Vent Material Recommendations 19 9 4 Horizontal Venting 19 9 5 Vertical Venting 20 9 6 Venting Ac...

Page 4: ......

Page 5: ... 301 Contactor Wiring Diagram 16 Figure 15 Motor Wiring for EP 301 Pump Clockwise Impeller Rotation 17 Figure 16 EP 303 208 V 230 V or 460 V 3 Ø Pump Starter Wiring Diagram 17 Figure 17 Motor Wiring for EP 303 208 V 230 V 460 V 3 Ø Pump 18 Figure 18 Horizontal Venting 20 Figure 19 Vertical Venting 21 Figure 20 Condensate Tee Assembly at Pump Inlet 22 Figure 21 Condensate Drain for Vertical Venting...

Page 6: ......

Page 7: ...e use of work gloves is recommended Do not attempt to operate the pump until all steps of the installation have been accomplished This pump must be applied and operated under the general concepts of reasonable use and installed using best building practices This equipment is not intended for use by persons including children with reduced physical sensory or mental capabilities or lack of experienc...

Page 8: ...EP 300 SERIES PUMP INSTALLATION OPERATION AND SERVICE MANUAL 2 of 31 FIGURE 1 Label Placement Description Part Number Severe Injury Label 91012100 Rating Plate Label 91010401 Logo Label 91017200 ...

Page 9: ...tion 2 1 Corrosive Chemicals Roberts Gordon LLC cannot be responsible for ensuring that all appropriate safety measures are undertaken prior to installation this is entirely the responsibility of the installer It is essential that the contractor the sub contractor or the owner identifies the presence of combustible materials corrosive chemicals or halogenated hydrocarbons anywhere in the premises ...

Page 10: ...the cartons Lift assembly by gripping metal pump frame Two people are required weight 135 lbs 61 kg This pump has been tested prior to packing The impeller was dynamically balanced before assembly and requires care in handling to avoid damage WARNING Cut Pinch Hazard Wear protective gear during installation operation and service Edges are sharp Failure to follow these instructions can result in in...

Page 11: ...Assembly 02730103 Pump Scroll Assembly 90713451 Band Clamp 4 10 cm 91901300 Band Clamp 6 15 cm 91913703 Adapter 4 to 6 10 cm x 15 cm 02719903 Bird Screen 6 15 cm 01397400 Mounting Angle 01365000 Flexible Boot 4 5 11 cm 91412801 Flexible Boot 6 15 cm 91412802 Silicone Rubber Ring 91906900 Pump Inlet Assembly 90713454 Pressure Switch 90430600K ...

Page 12: ...r 1 91412802 Pump Boot 6 x 10 1 91412801 4 5 Flexible Boot 1 91906900 Silicone Rubber Ring 2 91901300 Band Clamp 4 2 91913703 Band Clamp 6 3 01397400 Bird Screen 6 1 01365000 Mounting Angle 6 90430600K Pressure Switch Kit Includes 1 90430600 Pressure Switch 1 91417409 Silicone Hose 1 91220201 Barbed Fitting 1 91104001 Locknut 2 94118106 Screw 8 x 3 8 2 96211000 Lock Washer 10 2 93511706 Screw 10 3...

Page 13: ...es 1 91412802 Pump Boot 6 x 10 2 91913703 Band Clamp 6 5 01397400 Bird Screen 6 1 01365000 Mounting Angle 6 90430600K Pressure Switch Kit Includes 1 90430600 Pressure Switch 1 91417409 Silicone Hose 1 91220201 Barbed Fitting 1 91104001 Locknut 2 94118106 Screw 8 x 3 8 2 96211000 Lock Washer 10 2 93511706 Screw 10 32 x 3 8 2 92311800 Locknut 10 32 2 01311701 EP 300 Accessory Package Includes 1 T006...

Page 14: ... Pump Boot 6 x 10 1 91412801 4 5 Flexible Boot 1 91906900 Silicone Rubber Ring 2 91901300 Band Clamp 4 2 91913703 Band Clamp 6 3 01397400 Bird Screen 6 1 01365000 Mounting Angle 6 90430600K Pressure Switch Kit Includes 1 90430600 Pressure Switch 1 91417409 Silicone Hose 1 91220201 Barbed Fitting 1 91104001 Locknut 2 94118106 Screw 8 x 3 8 2 96211000 Lock Washer 10 2 93511706 Screw 10 32 x 3 8 2 92...

Page 15: ...es 1 91412802 Pump Boot 6 x 10 2 91913703 Band Clamp 6 5 01397400 Bird Screen 6 1 01365000 Mounting Angle 6 90430600K Pressure Switch Kit Includes 1 90430600 Pressure Switch 1 91417409 Silicone Hose 1 91220201 Barbed Fitting 1 91104001 Locknut 2 94118106 Screw 8 x 3 8 2 96211000 Lock Washer 10 2 93511706 Screw 10 32 x 3 8 2 92311800 Locknut 10 32 2 01311701 EP 300 Accessory Package Includes 1 T006...

Page 16: ...earance in accordance to National Fire Pro tection Association NFPA 30A latest revision is required An arrow is affixed to the outside of the pump scroll to indicate the direction of rotation of the impeller The standard rotation of the impeller is in the counter clockwise direction Pump discharge orientation is viewed from the rear of the motor as shown in on Page 11 Figure 3 Note that the pump s...

Page 17: ...age 12 Figure 4 NOTE While tightening the nuts torque to 132 in lb that secure the pump scroll to the pump frame periodically spin the impeller to be sure that adequate clearance is maintained between the impeller blades and the body of the pump scroll 5 1 3 Attaching Pump Inlet Assembly From scroll assembly side of pump orient inlet assembly so threaded pipe coupling is on top See partial end vie...

Page 18: ...icates direc tion of impeller rotation To set rotation direction see wiring diagram located on motor after completing Section 5 FIGURE 5 Pump Impeller Rotation Side View M8 Screw Stud Scroll Assembly Impeller End View M8 Hexnut and Washer M8 Hexnut and Washer Vertical Mounting Plate Inlet Assembly Description Part Number Pump Scroll 90713451 Hex Nut M8 24 92204502 Washer M8 x 16 OD x 1 6 95204502 ...

Page 19: ... for 6 15 cm Tubing Attach 6 15 cm pump boot to the inlet See Figure 7 then See Section 5 2 3 FIGURE 6 Pump Inlet Side 4 FIGURE 7 Pump Inlet Side 6 5 2 3 Discharge Connection to 6 15 cm Flue Mount the 6 15 cm pump boot to the pump outlet using the 6 15 cm band clamp provided See Page 13 Figure 8 FIGURE 8 Pump Discharge Side Description Part Number Pump Boot 4 5 11 cm 91412801 Band Clamp 4 10 cm 91...

Page 20: ...ion of silicone does not plug the orifice hole of the pressure switch Without pump verification the system will not operate Using screws and locknuts included mount the switch to the pump frame Thread the barbed fitting into the threaded hole at the pump inlet Cut the sili cone tube to the appropriate length to eliminate the possibility of kinks and securely attach the hose to the pressure switch ...

Page 21: ...ed Fix the mounting frame to the wall using anchors Select an anchor that will give equal to or greater than 2000 lbs ultimate pull out strength For CRVSF Series only a minimum of 18 45 cm ceiling clearance in accordance to National Fire Pro tection Association NFPA 30A latest revision is required FIGURE 12 Wall Bracket Assembly FIGURE 13 Mounting Platform Options Mounting Angle Hex Head Bolt Flat...

Page 22: ...ressure switch per the CORAYVAC P N 127102NA for CRV models CORAYVAC Clas sic SF 127302NA for CRVSF models or VAN TAGE CTHN P N 152101NA Installation Operation and Service Manuals Do not directly connect the controller relay terminals to the pump motor The power to the EP 301 pump is not supplied by the controller Power is supplied by a separate circuit and is switched by the controller via a cont...

Page 23: ...pplied by the controller Power is supplied by a separate circuit and is switched by the controller via the Variable Frequency Drive VFD 208 230 V only See the ROBERTS GORDON CORAYVAC Modulating Heating Control Installation Manual P N 1006101NA for wiring details FIGURE 15 EP 303 208 V 230 V or 460 V 3 Ø Pump Starter Wiring Diagram ...

Page 24: ...uired Both horizontal and vertical venting must be supported by suitable hangers Vent lengths are allowed as follows 9 3 Vent Material Recommendations Vent recommendations 1 Porcelain coated tubing 4 10 cm O D P N 9141030D 2 Heat treated aluminized tubing 4 10 cm O D P N 91409408 Heat treated aluminized tubing 6 15 cm O D P N E0009105 3 Single wall flue pipe minimum 26 ga Not suitable for modulati...

Page 25: ... flue gases Any portion of flue pipe passing through a combustible wall must be dual insulated and an approved thimble must be used FIGURE 16 Horizontal Venting 9 5 Vertical Venting If using vent lengths greater than 20 6 m condensation will form in the vent pipe Insulation and additional sealing measures will be required Length of flue pipe is equal to total of vertical and horizontal length Seal...

Page 26: ...drain on the discharge side is required if there is vertical venting of the pump or if there is a vertical rise in the discharge line away from the pump See Page 21 Figure The condensate tee assembly in the discharge line can be eliminated if the discharge line is horizontal through the wall and pitched down at least 1 4 per 10 6 mm per 3 m This arrangement will permit drainage of condensate throu...

Page 27: ...readed hole is plugged This arrangement will permit drainage of condensate through the pump and outside via horizontal pitched discharge line The condensate trap assembly in the discharge line can be eliminated if the discharge line is horizontal through the wall and pitched down at least one inch per foot A condensate trap on the discharge side is required if there is a vertical rise in the disch...

Page 28: ... the total condensate is 1 8 gal h the condensate neutralization tube which is closest to and higher than the calculated gal h value is P N 01327002 NOTE Condensate neutralization tubes must be replaced yearly every 2000 operating hours or check condensate water pH level If it is below pH 6 replace tube To order replacement see the chart below Radiant Tube Length average distance between burners T...

Page 29: ...Calculated gal h Description Part Number Less than 2 Condensate Neutralization Tube 200 01327002 Less than 6 Condensate Neutralization Tube 600 01327003 Less than 10 Condensate Neutralization Tube 1000 01327004 Less than 20 Condensate Neutralization Tube 2000 01327005 ...

Page 30: ...the pump For safety and best performance the electrical vent ing suspensions and overall pump condition are some of the areas requiring inspection Please see Page 26 Section 10 3 for suggested items to inspect 10 2 To Change the Motor and or the Impeller 1 Disconnect electrical power before servicing 2 Remove the pump boots from the inlet and out let of the scroll assembly disconnecting the pump f...

Page 31: ...requires proper alignment Be certain of proper motor alignment and free rotation 8 The four set screws should be reinstalled with a drop of thread locking sealant and remain unseated during initial re assembly 9 Slide the impeller onto the motor shaft end Apply a drop of thread locking sealant to the threads of the hex head bolt Slide the washer onto the hex head bolt and thread the bolt into the ...

Page 32: ...les due to corrosion Seal any gaps in venting to prevent condensate leakage Pump Scroll Impeller and Motor Compressed air or a vacuum cleaner may be used to clean dust and dirt Check for corrosion if any parts have corroded through replace as neces sary Ensure all M8 nuts are tight for proper seal Suspension Points Make sure the pump is hanging securely Look for signs of wear on the mounting angle...

Page 33: ...ption Part Number Motor 2 HP 230 V 1 Ø 90605102 Isolator Pads T00680 Motor 2 HP 208 V 230 V 460 V 3 Ø 90605103 4 5 11 cm Flexible Boot 91412801 Impeller Assembly 340 mm dia 90713340 6 15 cm Pump Boot 91412802 4 10 cm Band Clamp 91901300 Mounting Angle 01365000 6 15 cm Band Clamp 91913703 Adapter 6 x 4 15 cm x 10 cm 02719903 Pressure Switch 90430600K Bird Screen with Clamp 01397400 Pump Scroll Asse...

Page 34: ... Tee 0133022D Aluminized Tube adapter 6 dia x 4 dia 91418200 6 Coated Tee 0133025D 6 Tube and Reflector Hanger 91240010 4 Aluminized Cross 01330903 4 Drain Cap 02718851 6 Aluminized Cross 01330904 6 Drain Cap 02718852 4 Coated Cross 0133092D Condensate Trap 01327001 4 10 cm Band Clamp 91901300 6 15 cm Band Clamp 91913703 Schedule 40 Damper Nipple 01322000 Description Part Number Description Part N...

Page 35: ...P N 10050010 With ROBERTS GORDON CORAYVAC Modulating Heating Control variable frequency drive is included with controller 12 4 General Dimension Specifications 25 19 32 65 cm 6 15 cm 4 3 4 12 2 cm 15 1 8 38 5 cm 16 11 16 41 5 cm 6 15 cm 1 3 4 4 4 cm 8 5 64 20 5 cm 24 5 8 63 cm 10 5 8 27 cm 20 25 32 52 8 cm 12 5 Pump Specifications Model EP 301 EP 303 Horsepower Hp 2 2 Phase Ø 1 3 Hertz Hz 60 60 Vo...

Page 36: ...ve original purchase date and required annual maintenance history The data plate and or serial number are removed defaced modified or altered in any way The ownership of the ROBERTS GORDON EP 300 Series Pump is moved or transferred This warranty is non transferable Roberts Gordon LLC is not permitted to inspect the damaged equipment and or component parts READ YOUR INSTALLATION OPERATION AND SERVI...

Page 37: ...SECTION 13 THE ROBERTS GORDON EP 300 SERIES PUMP WARRANTY 31 of 31 ...

Page 38: ......

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