Glass Door Reach-in Frozen Food/Ice Cream Merchandiser
KRZH - 2, 3, 4 & 5-door reach in freezer
Electrical Data
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| Standard Fans | Heaters |
| Drain Pan Heaters |
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| Fans per | 120 Volts | 120 Volts | 208 Volts | 240 Volts |
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| Model | Case | Amps | Watts | Amps | Watts | Amps | Watts | Amps | Watts |
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| KRZH | 2 | 2.20 | 167 | 6.06 | 727 | 0.86 | 179 | 0.99 | 238 |
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| 3 | 3.30 | 250 | 8.48 | 1018 | 0.86 | 179 | 0.99 | 238 |
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| 4 | 4.40 | 333 | 10.82 | 1298 | 0.86 | 179 | 0.99 | 238 |
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| 5 | 5.50 | 417 | 12.88 | 1545 | 0.86 | 179 | 0.99 | 238 |
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1NOTE: - - - not an option on this case model.
Lighting Data
Maximum
Lighting
120 Volts
| Model | Amps | Watts |
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| KRZH | 1.88 | 226 |
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| 2.50 | 300 |
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| 3.13 | 376 |
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| 3.75 | 450 |
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Defrost Heater Data
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| Defrost Heaters2 |
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| Defrost Heaters |
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| Hot Gas Defrost |
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| Electric Defrost |
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| 208 Volts | 240 Volts | 208 Volts | 240 Volts |
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| Amps | Watts | Amps | Watts | Amps | Watts | Amps | Watts |
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| KRZH | 1.92 | 400 | 2.22 | 533 | 5.77 | 1200 | 6.66 | 1593 |
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| 1.92 | 400 | 2.22 | 533 | 7.69 | 1600 | 8.88 | 2128 |
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| 1.92 | 400 | 2.22 | 533 | 12.02 | 2500 | 13.87 | 3355 |
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| 2.40 | 500 | 2.78 | 666 | 15.39 | 3200 | 17.75 | 4260 |
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2Note: Hot gas defrost requires electric assist heaters.
Guidelines & Control Settings
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| Evaporator |
| Superheat Set Point | Discharge Air |
| Return Air |
| Discharge Air Velocity5 |
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| Model | BTUH/door4 |
| (oF) |
| @ Bulb (oF) | (oF) |
| (oF) |
| (FPM) |
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| KRZH - F3 |
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| 1850 |
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| 420 |
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| KRZH - C3 | 2200 |
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| 420 |
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3F = Frozen food, C = Ice cream.
4BTUH's/door listed are for parallel operation. Conventional ratings may be approximated by multiplying listed rating by 1.04.
5Average discharge air velocity at peak of defrost.
Defrost Controls
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| Electric Defrost | Timed Off Defrost | Hot Gas Defrost | Reverse Air Defrost |
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| Defrosts | Termination | Termination | Termination | Termination |
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| Model | Per Day | Time (min) | (min) | Temp. (°F) | (min) | Temp. (°F) | (min) | Temp. (°F) | (min) | Temp. (°F) |
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| KRZH | 1 | 13 - 15 | 60 | 73 | - - | - - - | 24 | 73 | - - - | - - - |
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6NOTE: - - - not an option on this case model.
Low Temperature Defrost Schedule
No. Per Day | Hours |
110 pm
26 am - 10 pm**
**Or immediately after store closing hour
All measurements are taken per CRMA specifications.
COMPONENT
18
