Lync WQ-RS
SECTION 3: OPERATION
L- OMM-005_A
•
2/23/2022
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3.5. Reverse Osmosis Controller Operations and Maintenance
The controller for this system is the ROC-4 controller. This is a microprocessor-based controller
with a product water conductivity meter. A separate manual for this controller begins on the next
page.
TABLE 1. SPECIFICATIONS
Inputs
Tank level switches
(2) Normally-Closed. Can be used with a single level switch.
Inlet pressure switch
Normally-Open.
Pretreat lockout switch
Normally-Open.
High pressure switch
Normally-Open.
(opt) Controller Power
24 VAC, 60/50Hz
Permeate Conductivity
0-3000 PPM, 0-6000 µs (standard sensor, CP-1, K=.75)
Feed Conductivity (opt)
0-3000 PPM, 0-6000 µs (standard sensor, CP-1, K=.75)
Output Ratings
Feed Solenoid
24 VAC
– 1 amp
Flush Solenoid
24 VAC
– 1 amp
Divert (opt)
24 VAC
– 1 amp
Motor Contactor Coil
24 VAC
– 1 amp
Circuit Protection
Main Power Fuse
F1
5 x 20 mm
2 Amp
Relay/XFMR Fuse
F2
5 x 20 mm
0.125 Amp
Other
Dimensions
11.5" tall, 9.3" wide, 6.7" deep. Nema 4X non-metallic (10 x 8 x 6)
13.5" tall, 11.4" wide, 6.7" deep. Nema 4X non-metallic (12 x 10 x 6)
15.5" tall, 13.3" wide, 7.7" deep. Nema 4X non-metallic (14 x 12 x 7)
Weight
4.2 lb. (10 x 8 x 6) (Enclosure, CPU-4 and TB-3 only.)
6.0 lb. (12 x 10 x 6) (Enclosure, CPU-4 and TB-3 only.)
10.6 lb. (14 x 12 x 7) (Enclosure, CPU-4 and TB-3 only.)
Environment
0-50°C, 10-90%RH (non-condensing)
