S&P TRC1200 Installation, Operation & Maintenance Manual page 16

INSTALLATION
ERV
NOTE: Be sure to
remove cap from
pressure port before
inserting tubing.
Insure tubing is well seated in
pressure ports.
NOTE: The tubing
should extend in the
pressure port approx.
1 inch.
16 SOLERPALAU-USA.COM INSTALLATION, OPERATION AND MAINTENANCE MANUAL
TRC1200
AN EXTERNAL CONTROL DEVICE USING
UNIT'S 24VAC POWER SUPPLY
External Control is
powered by 24VAC
available between the Red
and Blue leads.
8VA Maximum Load.
Connect Control's N.O. Output to 2nd Yellow Lead
FIGURE C AN EXTERNAL CONTROL DEVICE USING UNITS 24 VAC POWER SUPPLY
Image 2 from filename Control Connections EV450-HE1XIN_DEC14
KMC 12/11/14
C. Control operating on Unit's 24VAC Power Supply:
24VAC power is available at the blue and red leads. Connect one of the yellow leads to the blue lead.
Connect the switched output of the Control to the red lead to operate the ERV's isolation relay.
Be careful if the external control system provides 24VAC power at its control output: make sure blue and
red leads are separately capped and not connected to any other wires.
Connect Blue & First Yellow Leads
UNIT INTERNAL CONTROL WIRING
(SIMPLIFIED)
BLUE
Isolation
YEL
C
Relay Coil
YEL
RED
CAUTION
Unit 24VAC
Power Supply
®