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HYDROVAR

Pump Control

Quick Start Guide

Startup of a Hydrovar drive or Packaged Hydrovar 

Pump/Drive. Consult IM223 for recommended sys-

tem design, including pump, valves, transducer, and 

diaphragm tank. For additional applications, consult 

IM223.

Must be installed by qualified personnel.

1. Align drive on 3 Ph/TEFC motor and attach to motor 

using 4 clamps and screws provided. Remove cover.

2. Verify power is off before connecting to drive. Attach 

power wires to pump mounted fused disconnect 
(if packaged product) or from wall mounted fused 
disconnect or breaker box. Use fast acting Class 
T fuses. Route wires through cable gland, conduit 
plate – large opening –and through cable gland nut. 

3. Attach Power wires to drive: Attach ground wire to 

ground screw. If 1 Ph, attach L and N to appropri-
ately labeled terminals. If 3 Ph, attach wires to ap-
propriate L1, L2, L3 terminals. See IOM for terminal 
locations.

1 Ph 2, 3 HP 

3 Ph 3, 5 HP 

3 Ph 7.5, 10, 15 HP

(A)  Power supply 

(B)  Motor 

(C)  Terminal block:

  

  connections 

 

- START/STOP

(D)  RS-485 Interface 

(E)  Status-Relays 

 

- SOLORUN

 

- User interface 

 

 

 

- RS-485 Interface

 

- Internal interface 

(F)  Optional 

 

 

 

Relay Card

4. Drive connection to motor: Route wires through 

cable gland and other large conduit opening as 
above. Connect wires to appropriate terminals. Use 
crimp-on spades for sizes 2, 3, 5 HP. Terminate wires 
at terminals U, V, W for sizes 7.5 HP and up. 

*** Route the following low voltage wires 

through small conduit glands and openings as 

needed. ***

5. Attach transducer wires to terminals X3: 1-3; Shield, 

White, Brown respectively.

6. Attach thermal overload switch to motor body at 

conduit box screw, and terminate at the 2 termi-
nals labeled X1 PTC. If not using Thermal overload 
switch, place jumper between PTC terminals. 

7.  Provide Emergency stop switch, or jumper between 

terminals X3: 7, 8.

8. Provide additional on/off switch or jumper between 

terminals X3: 11, 12 

9. If using multiple communicating drives, attach 

RS485 wires to terminals X4: 4-6, (-, +, Shield re-
spectively) on Master drives; X2: 1-3 on Basic drives. 
Daisy chain communication wires starting at Master 
drive to all additional drives. 

10. Verify all connections are secure with no stray wires. 

Attach ground wire from drive to cover and replace 
cover. Note: Be sure cover sits securely on drive 
without pinching any wires. Securely HAND TIGHT-
EN cover screws. Cover must be firmly attached for 
buttons to function properly.

11. Connect power. The display should look as follows:

12. See attached flowchart for available programming 

options to change.

13. Push Right arrow to next screen to change Setpoint. 

Use Up/Down arrows to change setpoint, (Required 
value).

14. Push left arrow once to get back to main screen. 

Push left arrow again to get to Main menu. Use 
Down arrow to scroll through menu options. To 
change any parameter other than set point, you 
must first enter a password. From main menu, scroll 
down to Group 60, and push right arrow once to 
parameter 61. Enter password using up arrow key, 
(password = 66).

15. For multipump programming, change the highlight-

ed parameters in the flowchart. Change: Parameter 
105 to “Cascade Serial”; set the pump address to 1, 
2, etc in parameter 106.

16. From main screen, press up arrow to start drive. 

Check rotation on pump. Switch 2 of 3 line wires 
from the drive at motor if reverse rotation. 

XYLEM 

0.0 Hz

STOP 

XXX.X PSI

QUICK START GUIDE

HYDROQSG

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