Heatcraft Refrigeration Products BEACON II H-IM-79E - Manual (Page 9)

9
Start-Up Operation
Multiple Systems With Multiple
Evaporators (Requires A Smart
Controller)
• Check all wiring connections to be sure
they are correct and tight.
• On the condensing units
- Check setting of time delay relay.
It should be set at 1 minute
(the second marker).
- Check the low pressure switch setting on
freezer units. Refer to H-IM-CU.On some
condensing units, the low pressure switch
has a fixed setting and cannot be adjusted.
• Turn power on.
• On the MASTER evaporator
- DO NOT REMOVE the room sensor
from any evaporator
S S
S
M
CU
S S
S
M
CU
S S
S
M
CU
M S
S
S
CU
SMART
CONTROLLER
SYSTEM 1 SYSTEM 2 SYSTEM 3
SYSTEM 4
M = Master Evaporator S = Slave Evaporator CU = Condensing Unit
MULTIPLE SYSTEM CONNECTION
(See Smart Controller instruction manual for more details)
• On the SLAVE evaporators.
All Beacon II boards are shipped with the factory
default as a “MASTER” evaporator.
- Each SLAVE evaporator must be
changed to identify it as a SLAVE.
Use the “ PROGRAM REVIEW”
button to scroll until “SLA” appears,
then use the “ SELECT” knob to
select “YES” then press “ENTER.”
• Use the Beacon II Smart Controller to
set system parameters. See Beacon
II Smart Controller installation
instructions for more details.