Temperature Conversion Function (Using Unused Channels) - Mitsubishi Electric NZ2GF2B-60TCTT4 User Manual

8.3.24

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.
Terminal No.
Heating-cooling control
1 L1H
2 L1C
3 L2H
4 L2C
5 COM -
6 Unused
7 CH1 +
8 CH2 +
9 CH1 -
10 CH2 -
11 Unused
12 CJ
13 Unused
14 CJ
15 MT3 +
16 MT4 +
17 MT3 -
18 MT4 -
222
NZ2GF2B-60TCTT4
Mix control (normal mode)
(normal mode)
L1H
L1C
L3
L4
COM -
Unused
CH1 +
MT2 +
CH1 -
MT2 -
Unused
CJ
Unused
CJ
CH3 +
CH4 +
CH3 -
CH4 -
Terminal symbol
NZ2GF2B-60TCRT4
Heating-cooling control
(normal mode)
L1H
L1C
L2H
L2C
COM -
Unused
CH1 A
CH2 A
CH1 B
CH2 B
CH1 b
CH2 b
MT3A
MT4A
MT3B
MT4B
MT3B
MT4b
Heating-cooling
Mix control (normal mode)
L1H
L1C
L3
L4
COM -
Unused
CH1 A
MT2 A
CH1 B
MT2 B
CH1 b
MT2 b
CH3 A
CH4 A
CH3 B
CH4 B
CH3 b
CH4 b