Trane Symbio CVRF - Heat Recovery;Aux COND Option

Figure 31. High accuracy customer meter wiring, ref. 50712746
Installation
CVRF-SVN005C-EN 27
Heat Recovery/Aux COND Option
When heat recovery/Aux COND option is selected, a DHVBI
LLID (BRD04874) is required as 1A29, wires matrix show as
following:
Wire # AWG From To
14B 16 1A29-J3-2 1X1-21
2K 16 1A29-J3-1 1X2-10
4
4
RED
J11
1
J1
1
OPTIONAL WATER FLOW METER
CUSTOMER PROVIDE 4-20MA INPUT
1A21 DUAL ANALOG I/O
OPTIONAL
INPUT 1
OUTPUT 1
2
1
GND
INPUT 2
OUTPUT 2
GND
4
3
J2
5
6
COND FLOW METER
5B2 CUSTOMER PROVIDE
4-20mA
FLOW
METER
OUTPUT
EVAP FLOW METER
5B1 CUSTOMER PROVIDE
SIGNAL
24VDC
1A2 J5-1
0V
4-20mA
FLOW
METER
24VDC
1A1 J5-1
0V
1A2 J5-2
1A1 J5-2
OUTPUT
SIGNAL