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APPENDIX 1 - USER INTERFACE
Caution: 24 VAC switch voltage must
be sourced from the unit. Use of
another power source external of the
unit may cause equipment damage
17
Remote Shutdown
Open = Shutdown
Closed = Run
Closed = Occupied
Open = Unoccupied
Contacts Close When
VAV Boxes Should
Open
PUMP START
Zone Temp. Sensor
FlexSys Slab Temp. Sensor
Wiring Notes:
1. Wiring shown indicates typical wiring. Refer to the IOM for more detailed wiring methods and options.
2. All wiring is Class 2, low voltage.
3. Maximum power available from the 24VAC terminal is 40 VA.
4. Use shielded wire where shown.
5. Relay contacts suitable for pilot duty to 1A from 24VAC to 120VAC
FIGURE 2 - FIELD CONTROL WIRING - INPUTS
24
CTB1 FIELD CONTROL WIRING (INPUTS)
XX
.
18
13
VAV HEAT
14
15
ALARM
16
9
10
TB1 TERMINAL BLOCK
FORM 145.05-SU3 (611)
ISSUE DATE 6/01/2011
LD13325A
JOHNSON CONTROLS
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