Honeywell PCR-100 Electronic thermostat Instruction Manual
| General | Details |
|---|---|
| Name | Honeywell PCR-100 Electronic thermostat Instruction Manual |
| Make | Honeywell |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.91 MB |

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Honeywell PCR-100 Manual: Questions and Answers
Honeywell PCR-100 specifications
| Display range | –55 to +50 °C |
| Accuracy | 0.5 K internal, 1 digit, at 25 °C |
| Sensor | 1 PTC |
| Operating temperature | 0 to 50 °C, 30 to 85 % R.H |
| Storage temperature | –20 to +80 °C |
| Weight | PCR-100: Approx. 330 g (inc. sensor) |
What does AL5 mean on the Honeywell PCR-100 display?
Temperature sensor T1 has a short circuit or break in wiring. The compressor operates according to parameter E11. Instruction Manual, p. 12
Can I clear alarm AL2 on the Honeywell PCR-100 by switching off power?
No. AL2 requires pressing the key to reset, while all other alarms clear by switching off the operating voltage. Instruction Manual, p. 12
What do the spot indicators on the Honeywell PCR-100 display mean?
Two indicators show relay switching status and defrost activity.
| Indicator | Status and meaning |
|---|---|
| Position 1: On | Relay on |
| Position 1: Off | Relay off |
| Position 1: Flashes | Start-up delay E03 active |
| Position 3: On | Defrost interval is active, relay de-energized |
How do I use the buttons to adjust temperature settings?
Hold down the setpoint key, then use the up or down keys to change the value. Instruction Manual, p. 9
How long does the Honeywell PCR-100 retain settings after power loss?
Data is not lost for at least 10 years even if there is a power failure. Instruction Manual, p. 4
What temperature range does the Honeywell PCR-100 control?
-55 °C to +50 °C. Instruction Manual, p. 4
Honeywell PCR-100 compared with other Honeywell thermostats
| Specification | Honeywell PCR-100 | Honeywell RTH230B |
|---|---|---|
| Display range | –55 to +50 °C | 23 to 122°F (-5 to 50°C) |
| Accuracy | 0.5 K internal, 1 digit, at 25 °C | ± 1°F (0.5°C) |
| Storage temperature | –20 to +80 °C | -2 to 122°F (-20 to 50°C) |




























