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RECOVERY RATE IN GALLONS PER HOUR* - Temperature Rise ˚F
Standard Btu/
KW Input Hour
30˚ 40˚ 50˚ 60˚ 70˚ 80˚ 90˚ 100˚ 110˚ 120˚ 130˚ 140˚
3 10,239 41 31 24 20 17 15 13 12 11 10 10 9
6 20,478 82 62 49 41 35 31 27 25 22 21 19 18
9 30,717 123 92 74 62 53 46 41 37 34 31 28 26
12 40,956 164 123 98 82 70 61 55 49 45 41 38 35
15 51,195 205 154 123 102 88 77 68 61 56 51 47 44
18 61,434 246 184 148 123 105 92 82 74 67 62 57 53
24 81,912 328 246 197 164 140 123 109 98 90 82 76 70
30 102,390 410 308 246 205 176 154 137 123 112 103 95 88
36 122,868 492 369 295 246 211 184 164 148 134 123 113 105
45 153,585 615 461 369 307 263 230 205 184 168 154 142 132
54 184,302 738 554 443 359 316 277 246 221 201 185 170 158
60** 204,780 819 615 492 410 351 307 273 246 223 205 189 176
75** 255,975 1025 768 615 512 439 384 341 307 279 256 236 219
90** 307,170 1229 922 738 615 527 461 410 369 335 307 284 263
*Figured at 1 KW (3413 Btu) = 4.1 gallons at 100˚F temperature rise.
**Available on 50 gallon models or larger.
To determine recovery rate per minute, divide recovery rate per hour by 60.
NSF ratings may be obtained by multiplying above figures by 0.98.
RECOVERY RATES
Optional Equipment & Construction
■
Silicon Bronze Tank – Available for deionized water.
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Stainless Steel Tank – Available for deionized water.
■
150 or 160 PSI Working Pressure – Available when required. Must
be specified at time of order.
■
Handhole Cleanout – 4˝ x 6˝ size.
■
Combination Temperature/Pressure Gauge – Dial type combination
gauge (shipped loose).
Control Options:
■
Low Water Cutoff – Probe type electric low water cutoff prevents
energizing of elements in the event of low water condition.
■
Override Switches – A simple form of load control allows all or part
of unit input to be controlled manually. Up to one override switch per
contactor is available.
■
Indicating/Pilot Lights – For indicating element operation and/or
switch closure. Up to one indicating light available for each switch
and/or contactor is available.
■
Thermostat Step – The simplest form of modulation. Allows
elements to be stepped on in groups or individually by specifying
additional thermostats (up to 1 per contactor).
Premium Heavy Duty Electric Water Heater
COMMERCIAL
The Expert’s Choice
®
500 Lindahl Parkway, Ashland City, TN 37015 • www.stateind.com
Control Options Continued:
■
Sequencer – Two or three step time delay sequencer provides for
stepping of elements in groups or individually (maximum of 1 step
per contactor).
■
Modulating Step – Solid state electronic control device that
modulates input to match load through progressive sequencing of
steps (up to 3 steps with maximum of 1 per contactor).
■
Time Clock – Seven day clock may be programmed for up to 14 on/off
operations per week. Skip a day feature allows for weekend shutdown.
■
Immersion Auto Reset High Limit – Adjustable automatic reset type.
Provides additional protection against high temperature conditions.
■
Safety Door Interlock – Prevents openings of control panel door
when heater power supply is energized.
NOTE: Once door is open, the heater may be energized if necessary
for service diagnosis.
■
Pressure Limit Switches – Both high and low pressure limit
switches available.
■
Power Circuit Fusing – Sub-divides internal circuitry with maximum
of 60 amp fuses. Supplied as standard when required by NEC and UL.
■
Alarm Horn – Horns may be furnished to warn of any condition in the
heater for which sensors have been specified.