Filter
Top Products
262
4.27 Temperature Conversion Function (Using Unused
Channels)
In heating-cooling control (normal mode) and mix control (normal mode), only temperature measurement can be
performed by using unused temperature input terminals. When this function is used, temperature control and alert
judgment are not performed.
(1) Temperature input terminals that can be used
Temperature input terminals that can be used for this function differ depending on the control mode.
Use the terminals indicating MT2 (Monitor CH2), MT3 (Monitor CH3), and MT4 (Monitor CH4) in the
following table.
*1 For the Q64TCTTBWN and Q64TCRTBWN, the terminals in the table above are those on a terminal block for I/O.
Terminal
No.
Terminal symbol
Q64TCTTN/Q64TCTTBWN
*1
Q64TCRTN/Q64TCRTBWN
*1
Heating-cooling
control
(normal mode)
Mix control
(normal mode)
Heating-cooling
control
(normal mode)
Mix control
(normal mode)
1 L1H L1H L1H L1H
2 L1C L1C L1C L1C
3 L2H L3 L2H L3
4 L2C L4 L2C L4
5 COM- COM- COM- COM-
6 Unused Unused Unused Unused
7 CH1+ CH1+ CH1 A CH1 A
8 CH2+
MT2+ CH2 A MT2A
9 CH1- CH1- CH1 B CH1 B
10 CH2-
MT2- CH2 B MT2B
11 Unused Unused CH1 b CH1 b
12 CJ CJ CH2 b
MT2b
13 Unused Unused
MT3A CH3 A
14 CJ CJ
MT4A CH4 A
15
MT3+ CH3+ MT3B CH3 B
16
MT4+ CH4+ MT4B CH4 B
17
MT3- CH3- MT3b CH3 b
18
MT4- CH4- MT4b CH4 b
Heating-cooling