eta T2-BT User Manual

Electrical connections Circuit board GM-C2
19
S501 T12 Temperature input Free
S502 T13 Temperature input heating circuit 1: Flow (for buffer operation)
S502 T14 Temperature input Free
S502 LD1 LED output Free
S503 T15 Temperature input heating circuit 2: Flow
S503 T16 Temperature input Primary return (fresh water module 1pump)
S503 LD2 LED output Free
S504 PWM output Speed for pump on terminal [S2]
S505 PWM output Speed for pump on terminal [S3]
S506 PWM output Speed for pump on terminal [S4]
S507 PWM output Speed for pump on terminal [S5]
S508A CAN-Bus Free
S508B CAN-Bus Free
S509 Signal line to circuit board [MK-E]: terminal [S517]
S510 Data line to ETAtouch control panel
S511 RS-485 bus Digital room sensor
S512 Supply 24 V from mains adapter
S513 Analogue or digital input
Flow switch flow rate
(fresh water module 1pump)
S514 Analogue or digital input Free
X2 CAN bus supply GND (for standalone mode)
X3 Boot jumper
X4 CAN-Bus terminal resistor
X5 RS-485 terminator resistor
X24 CAN bus supply +24 V (for standalone mode)
Terminal Function Standard assignment
Terminals marked with this symbol are not pre-wired.

eta T2-BT Specifications

General

Brand	eta
Model	T2-BT
Category	Control Panel
Language	English