PDF《GRUNDFOS INSTRUCTIONS》

3 Installation dimensions * applies only to MTA

120 5.2.2 Tank hole and cable entry Fig.

4 Tank hole and cable entry TM04

7991 1411 Pump C D1 [mm] D2 [mm] L [mm] X [mm] MTA

30 Rp 3/8 / G 1/2 / 1/2 NPT

132 116

100 ?

7 MTA

60 Rp 1/2 / G 3/4 / 3/4 NPT

160 143 112.5 ?

10 MTA

90 Rp 3/4 / G 3/4 / 3/4 NPT

160 154 112.5 ?

10 MTA

120 Rp

1 / G

1 1/4 /

1 1/4 NPT

180 155 126.5 ?

10 MTA

200 Rp

2 / G

1 1/2 /

1 1/2 NPT

220 200 134.5 ?

12 MTA 20H Rp 3/8 / G 1/2 / 1/2 NPT

132 116

100 ?

7 MTA 40H Rp 1/2 / G 3/4 / 3/4 NPT

160 143 112.5 ?

10 MTA 70H Rp 3/4 / G 3/4 / 3/4 NPT

160 154 112.5 ?

10 MTA 100H Rp

1 / G

1 /

1 NPT

180 175

124 ?

10 TM05

0632 1311 Pump Tank hole Cable entry hole D1 [mm] D2 [mm] MTA

30 ?

90 ?

22 MTA

60 ?

115 ?

22 MTA

90 ?

128 ?

22 MTA

120 ?

135 ?

22 MTA

200 ?

180 ?

22 MTA 20H ?

100 ?

22 MTA 40H ?

135 ?

22 MTA 70H ?

135 ?

22 MTA 100H ?

155 ?

22 English (GB)

9 5.3 Liquid level 5.3.1 MTA with top suction Fig.

5 MTA with top suction * Min. liquid level (full performance). ** Min. permissible liquid level (reduced performance). 5.3.2 MTA with bottom suction Fig.

6 MTA with bottom suction * Min. liquid level (full performance). TM04

7992 4211 Pump H1 [mm] H2* [mm] H3** [mm] MTA

30 15

60 50 MTA

60 20

70 45 MTA

90 20

85 58 MTA

120 20

110 70 MTA 20H

15 50

40 MTA 40H

20 70

40 MTA 70H

20 80

50 MTA 100H

20 110

60 H1 H2 H3 Max. liquid level Min. liquid level Tank TM04

7993 4211 Pump H1 [mm] H2* [mm] H4 [mm] MTA

30 15

20 10 MTA

60 20

20 10 MTA

90 20

25 15 MTA

120 20

25 20 MTA

200 25

50 30 H1 H4 H2 Max. liquid level Min. liquid level Tank English (GB)

10 6. Electrical connection The electrical connection should be carried out in accordance with local regulations. The operating voltage and frequency are marked on the pump nameplate. Make sure that the motor is suitable for the power supply on which it will be used. The motor must be connected to a motor-protective circuit breaker. We do not recommend operation via frequency converter. Terminal box positions The terminal box can be turned to another position. The terminal box can be turned to another position after delivery. ( ) The terminal box cannot be turned to another position after delivery. The pump must be ordered with the terminal box in position

3 o'

clock. Fig.

7 Terminal box positions (top view) Proceed as follows: 1. Remove the bolts securing the motor to the pump. 2. Turn the motor to the required position. 3. Refit and tighten the bolts securing the motor to the pump. The electric motor should be connected to the supply as shown in the diagram inside the terminal box cover. Warning Never make any connections in the pump terminal box unless the power supply has been switched off. Pump Terminal box positions

9 o'

clock (standard)

3 o'

clock MTA

30 MTA

60 MTA

90 MTA

120 ( ) MTA

200 ( ) MTA 20H MTA 40H MTA 70H MTA 100H ( ) TM05

1759 3611 TM05

1760 3611 Outlet Standard

9 o'

clock Outlet

3 o'

clock English (GB)

11 7. Start-up The pump can be started against an open or a closed discharge valve. Before starting the pump: ? Make sure that all pipe connections are tight. ? Make sure that the pump is immersed to the recommended level. ? Make sure that chip trays are not blocked by impurities. Start the pump as follows: 1. See the correct direction of rotation of the pump on the motor fan cover or on the sight glass. When seen from the top, the pump should rotate counter-clockwise. 2. Start the pump and check the direction of rotation. Fig.