Auxiliary Relay - H2flow ACUFLOW digital Operating Manual

13. auxiliary relay (optional kit)
The Auxiliary Relay option is a valuable feature that allows the AcuFlow Digital user to control external devices such as Heater
and Chemical Feeders at user-defi ned fl ow rates. For example, you may want to control the Chemical Feeder to operate only
above 20 GPM. Setting this value is discussed in Section 12.
The Auxiliary Relay option kit installs into the rear of the AcuFlow Digital Display enclosure and comprises the following items:
Qty. Item
1 Auxiliary Relay with 12 VDC coil and 2 sets of souble pole / double throw dry contacts
1 Set of relay coil wires
1 Cable zip ties (2) with (1) adhesive pad
6 Crimp style Cable Spades
1 Cable Gland
Installation (internal)
1
1. Secure Relay by removing adhesive backing tape
2. Attach pre-made blue wire
3. Attach pre-made red wire
4. After removing protective fi lm, attach Cable Pad
7
5. Use Zip Ties as shown
6. Connect blue wire to terminal marked 'SP2' on rear of Display
7. Connect red wire to terminal marked 'PSU+' on rear of Display
8. Drill hole 5/8" (16mm) diameter hole for Cable Gland
www.h2fl ow.net • Tel: 888-635-0296 (Toll Free)
2 3
to terminal 1
4 5
to terminal 0 on Relay
7
2
6 4
on Relay
6
to rear of hinged door in location shown
8
Be careful not to damage Relay
3
1
5
8
15
(+1) 419-841-7774 (International)
OR
1