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Morton
®
Water Softener Installation & Operation Manual 5
Specifications & Performance Claims
Model M20 Model M27
Models
M30 & MC30
Model M34
Model Code o20 o27 o30 o34
Regeneration Control Demand Demand Demand Demand
Rated Softening Capacity
(Grains @ Salt Dose)
9,310 @ 1.8 lbs.
18,000 @ 5.8 lbs.
21,500 @ 9.7 lbs.
11,100 @ 2.2 lbs.
23,700 @ 7.0 lbs.
28,100 @ 11.2 lbs.
13,200 @ 2.9 lbs.
25,500 @ 8.0 lbs.
30,000 @ 13.1 lbs.
13,700 @ 2.7 lbs.
29,200 @ 8.6 lbs.
34,900 @ 14.5 lbs.
Rated Efficiency (Grains/Pound of Salt
@ Minimum Salt Dose)
5,000 @ 1.8 lbs. 5,040 @ 2.2 lbs. 4,567 @ 2.9 lbs. 5,060 @ 2.7 lbs.
Water Used During Regeneration
@ Minimum Salt Dose
2.9 gallons /
1,000 grains
2.5 gallons /
1,000 grains
2.8 gallons /
1,000 grains
2.3 gallons /
1,000 grains
Total Water Used Per Regeneration
@ Maximum Salt Dose
26.2 gallons 26.7 gallons 33.6 gallons 31.6 gallons
Rated Service Flow Rate 6.5 gpm 6.5 gpm 7.0 gpm 7.8 gpm
Amount of High Capacity Ion Exchange
Resin
.61 cu. ft. .73 cu. ft. .82 cu. ft. .91 cu. ft.
Pressure Drop at Rated Service Flow 11.3 psig 12.1 psig 11.9 psig 14.7 psig
Water Supply Max. Hardness 95 gpg 95 gpg 95 gpg 110 gpg
Water Supply Max. Clear Water Iron 6 ppm* 7 ppm* 7 ppm* 9 ppm*
Water Pressure Limits (min. / max.) 20 - 125 psi**
Water Temperature Limits (min. / max.) 40 - 120 °F
Minimum Water Supply Flow Rate 3 gpm
Maximum Drain Flow Rate 2.2 gpm
*Capacity to reduce clear water iron is substantiated by laboratory test data. State of Wisconsin requires additional
treatment if water supply contains clear water iron exceeding 5 ppm.
These systems conform to NSF/ANSI 44 for the specific performance claims as verified and substantiated by test data.
The efficiency rating is only valid at the stated salt dose. These softeners were efficiency rated according to NSF/ANSI
Standard 44.
Variable Salt Dose: The salt dose is selected by the electronic controls at regeneration time based on the amount needed.
These softeners conform to NSF/ANSI 44 for the specific performance claims as verified and substantiated by test
data. These models are efficiency rated. The efficiency rating is valid only at the stated salt dose. They have a
demand initiated regeneration (D.I.R.) feature that complies with specific performance specifications intended to min-
imize the amount of regenerant brine and water used in their operation. Efficiency rated softeners have a rated salt
efficiency of not less than 3,350 grains of total hardness exchange per pound of salt (based on sodium chloride) and
shall not deliver more salt or be operated at a sustained maximum service flow rate greater than its listed rating.
The rated salt efficiency is measured by laboratory tests described in NSF/ANSI Standard 44. These tests represent
the maximum possible efficiency that the system can achieve. Operational efficiency is the actual efficiency after the
system has been installed. It is typically less than the efficiency due to individual application factors including water
hardness, water usage, and other contaminants that reduce the softener’s capacity. These systems are not intend-
ed for treating water that is microbiologically unsafe or of unknown quality without adequate disinfection before or
after the systems. For best results use clean grades of water softener salt. Refer to warranty and elsewhere in this
manual for further details on installation and maintenance, parts and service, user responsibility, and further restric-
tions, or limitations to the use of the product.
In the state of California: You must turn the Salt Efficiency Feature setting to ON. This may initiate
more frequent recharges. However, it will operate at 4,000 grains per pound of salt or higher. To turn
on the Salt Efficiency Feature, follow the instructions in the “Salt Efficiency” section of this manual.
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