Installation Instructions

540-205
Installations Instructions
Rev. 2, 1/99
Siemens Building Technologies, Inc.
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FA/FB Fuse - control SW2 Switch - On-Off and fan speed
M Motor - fan X1 Transformer - motor speed
R4 Relay - fan CX 24 Vac control transformer
REC1 Receptacle - day/night
(controls by others)
DM Power source for OA damper actuator
REC2 Receptacle - power
(controls by others)
HWV Power source for hot water valve
SW1 Switch (1 pole - 115 & 265 V – 2 pole -
208/230 V) (optional)
CWV Power source for chilled water valve
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