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WARNING

Ensure  no  water  leakage  onto  the  pump  motor  or  its 
electrical  connections  during  installation,  venting  or 
operation as this may cause electrical shock.

WARNING

Any  action  that  doesn’t  comply  with  safety  warning  sign 
may  cause  personal  injury,  pump  damage  and  losses  in 
property.    Users  must  also  comply  with  the  local  safety 
regulations.

WARNING

Do not install the pump in moist places. 

WARNING

For  easy  maintenance,  it  is  recommended  to  install 
separate valve at the inlet and outlet of the pump. These 
should be closed when the pump is not in use for a long 
time.

WARNING

Dry running will void warranty.

WARNING

The  pump  should  be  stored  in  a  cool,  dry  and  well 
ventilated place.

3.  INSTALLATION

3.1 Electrical Connection 

Ÿ

If the electrical connection block is not in a convenient position when the 
circulator pump is delivered, the motor head may be rotated prior to fitting. 

Ÿ

To achieve this, release the screws on the pump casing and rotate the 
motor head to its new position. 

Ÿ

Take care not to remove or damage the ‘O’ ring seal between motor head 
and pump casing.

Ÿ

Tighten the fixing screws in a diagonal pattern in stages to final torque of 
25kg cm.

Ÿ

Check that the turns freely by loosening the manual Restart Knob until it 
engages in the motor shaft. The motor should then be free to turn with the 
finger tips.

Summary of Contents for DQA

Page 1: ...DQA Circulator Pumps Installation Operating Manual...

Page 2: ......

Page 3: ...PUMP SPECIFICATIONS 1 1 3 INSTALLATION 4 OPERATION 4 7 TROUBLE SHOOTING 6 10 INDEX Davis Shirtliff Ltd 2020 Contents herein are not warranted TERMS OF WARRANTY 7 11 MAINTENANCE 5 10 2 WARNINGS 3...

Page 4: ...adjusted according to system demand and constant pressure where pressure remains constant irrespective of system demand Three selectable speeds so the pump performance can be matched to system require...

Page 5: ...ATING CONDITIONS Pumped Liquid Thin clean chemically non aggressive liquids without solid particles or fibres 0 0 Liquid Temperature 10 C to 110 C 0 Max Ambient Temperature 10 50 C Max Operating Press...

Page 6: ...led in either a high point in the system where air can collect or a low point where sediments could build up WARNING Pipes on both sides of the pump should be supported to reduce strain and must be co...

Page 7: ...or a long time WARNING Dry running will void warranty WARNING The pump should be stored in a cool dry and well ventilated place 3 INSTALLATION 3 1 Electrical Connection If the electrical connection bl...

Page 8: ...e power supply having a contact separation of at least 3mm in all poles must be provided If the pump already has a cable fitted to it ensure the pump is isolated from the mains before removing the ter...

Page 9: ...prevent water leakage The location of terminal box can be adjusted accordingly to users request To achieve this Isolate power supply Watch out for high water temperature Close the valves at inlet and...

Page 10: ...Pressure Curve Max Proportional Pressure Curve Night Mode LED Display Power Auto Adaptation Speed I III A PPI CPII CPI Speed II Speed III Night Operation is effected by pressing button The pump will r...

Page 11: ...se CPI Min constant pressure curve According to the flow rate of system demand the pump working point changes on the basis of min constant pressure curve The constant pressure of pump is irrelevant wi...

Page 12: ...k that the shaft rotates freely and that the knob can be seen rotating on initial start of the pump Venting Bleeding When the system is filled with water the pump will normally self vent air within a...

Page 13: ...ator adjustment should only be made with electrical supply switched off 6 TROUBLE SHOOTING PROBLEM Pump fails to start Pump start but provides incorrect circulation Noise SOLUTION Check power supply f...

Page 14: ...Davis Shirtliff hereafter called the Company in respect of any defect or failure of equipment supplied is limited to making good by replacement or repair at the Company s discretion defects which und...

Page 15: ......

Page 16: ...INS449A 02 20 www davisandshirtliff com...

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