CALEFFI 750715 Руководство - Страница 5

Просмотреть онлайн или скачать pdf Руководство для Измерительные приборы CALEFFI 750715. CALEFFI 750715 16 страниц. Direct heat meter

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CONTECA
EASY ULTRA meter electrical connections
®
For box or direct wall mounting, use the screws provided and insert them into the corresponding holes
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
A
A
Pins
1 – 2
OUT 2 - Open collector pulse output for COOLING UNITS. GND=2 / duration 120 ms / Vmax 24 V (dc) - 50 mA
2 – 3
OUT 1 - Open collector pulse output for HEATING units. GND=2 / duration 120 ms / Vmax 24 V (dc) - 50 mA
4
5 – 6
6 – 7
8 – 9
9 – 10
11 – 12
13 – 14
15 – 16
17 – 18
Description
NOT used
IN 4 - fourth pulse input (generic). GND=6
IN 3 - third pulse input (generic). GND=6
IN 2 - Pulse input for DCW. GND=9
IN 1 - Pulse input for DHW. GND=9
Heating/cooling flow meter pulse input (polarised, see page 6)
Digital input (MUST be with voltage-free contact)
Electric supply 24 V (ac) 50 Hz - 1W
Transmission BUS RS-485 / RS-485 A=18 / RS-485 B=17
A
ELECTRONICS BOX REAR PART
A
A
TEAR-PROOF CABLE CLIP
CABLE ROUTE
5
Accessory
755882
755881 –
755882
2 x 755825
755825