Scholar V Installation & Startup Manual 07/2016 New
20
conditioner. Figures 8 and 9 show typical single and three phase wiring diagrams
for the Scholar V heat pump and air conditioner.
2. Power supply service must be with the allowable voltage range stamped on
the identification plate. To operate a nominal 230/208V model on 208V, change
the transformer line tap from 240V to 208V, following the instructions on
the electrical schematic.
3. Connect the main power wires coming into the cabinet to the terminal block
located next to the disconnect. Install the ground wire on the ground lug.
CAUTION
THIS SYSTEM CONTAINS COMPONENTS THAT REQUIRE PHASING FOR CORRECT
ROTATION. FAILURE TO OBSERVE ROTATION AND CORRECT ON START-UP WILL
CAUSE DAMAGE NOT COVERED BY THE MARVAIR
®
WARRANTY.
VENTILATION
FILTERS
HIGH VOLTAGE
ELECTRICAL
CONTROL BOX
LOW VOLTAGE
ELECTRICAL
CONTROL BOX
UNIT DISCONNECT
PLC
Figure 7. Electrical Control Box, Access to Ventilation Filters and GreenWheel
®
ERV
Note:
Due to the variety of options, the control box in your unit may differ from the
photo. Always refer to the electrical schematic in your unit.