Imit CRX/E Plus User manual

CRX/E PLUS
Instruction manual
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SUMMARY
1. Introduction pag. 3
2. Technical data 4
3. Display readings key 6
4. Chronothermostat controls key 7
5. Dimensions 8
6. Installation and connections 9
7. Chronothermostat start-up 16
8. Clock setting 16
9. Program setting 19
10. Temperature setting 21
11. Normal operation conditions 22
12. Override mode 22
13. Summer/winter setting 23
14. Differential setting 24
15. Knob lock 24
16. Unit reset 25
17. Troubleshooting 26
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1. INTRODUCTION
Thank you for your confidence in our company and for choosing our products.
This is an easy-to-use, high-styling design, 7-DAY electronic PROGRAMMABLETHERMOSTAT. It allows an extremely accura-
te room temperature adjustment in the hosting room;thus meeting any users' needs as far as room COMFORT
IN ACCORDANCEWITHTHE STANDARDS:
• EN 60730-1 and later updating
• EN 60730-2-7
• EN 60730-2-9 3
IN ACCORDANCEWITHTHE GUIDELINES:
•B.T.73/23/EEC
•E.M.C.89/336/EEC and later updating 93/68/EEC
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2. TECHNICAL DATA
POWER SUPPLY= N°2 1.5V alkaline batteries, type LR6
NORMALTEMPERATURE RANGE“T1”= 5÷30°C
REDUCEDTEMPERATURE RANGE“T2”= 6°/14°/16°/18°C (winter mode)
38°/30°/28°/26°C (summer mode)
ROOMTEMPERATURE RANGE ON DISPLAY= 0/40°C (accuracy 0.1°C)
TEMPERATURE UPDATING= once a minute
ADJUSTABLE TEMPERATURE DIFFERENTIAL= 0.2K or 0.8K
SENSING ELEMENT = NTC 2%
DEGREE OF PROTECTION= IP 20
OUTPUT= switching relay
CONTACTS RATING= 5(0.5)A/250V~
SWITCH ACTION= 1BU
INSTALLATION LOCATION = normal environment
MAXIMUM STANDING TEMPERATURE= 50°C
STORAGE TEMPERATURE= 0÷60°C
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ANTIFROST= 6°C fixed
PROGRAMMING= weekly
PROGRAM SETTING = by micro-switches/buttons
MINIMUM PROGRAMMING RANGE= 1 hour
SOFTWARE CLASS A
SET-TEMPERATURE OVERRIDE MODE
DISPLAY LCD
WINTER/SUMMER SWITCHING (heating/ air conditioning)
UNIT RESET
MOUNTING= to the wall 5
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3. DISPLAY READINGS KEY
✲
6
Operating program
activated
Low battery function
On display: current
time and room
temperature
Days of the week
Summer
(air conditioning)
Winter
(heating)
Reduced
temperature “T2”
Antifrost
Proper set
confirmation
Time/temperature chart
of the activated program
Operating
system
“Override” mode
activated
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4. CHRONOTHERMOSTAT CONTROLS KEY
✲
7
Reset button
Reduced temperature “T2”
setting button
Programming confirmation
button Knob for normal
temperature “T1”setting
Differential selector
Summer (
✲ ) or winter ( )
mode selector
Override
button
Microswitches for current time
and operating setting Access to the program and day change button
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5. DIMENSIONS
8
60 mm
83,5 mm
27 mm
1,5 mm
130 mm
88 mm
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6. INSTALLATION AND CONNECTIONS
SAFETY INSTRUCTIONS
Before connecting the chronothermostat, make sure that the UNIT TO BE CONTROLLED (boiler, pump, air conditioning
system, etc.) is NOT CONNECTED from the electrical source. Make also sure that the power supply is the same as the one
specified inside the chronothermostat base (250V~ max).
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NO YES
PLACEMENT OFTHE CHRONOTHERMOSTAT
Place the chronothermostat away from heat sources (radiators, sunrays, kitchens) and away from doors / windows, etc. Install
the thermostat 1.5 Mt from the floor.
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