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VCC-X Operator Interface SD
VCC-X CONFIGURATION
39
VCC-X Con
fi
guration Screens
Table 5: User-Con
fi
gurable Relay Outputs
No. Relay Description
Details
1
Cooling Stage
Con
fi
gured for each
fi
xed stage of cooling (except heat pump compressor).
2
Heating Stage
Con
fi
gured for each
fi
xed stage of heating.
3
Aux Heat
Con
fi
gured for a
fi
xed stage of Aux Heat in a heat pump unit.
4
Emergency Heat
Con
fi
gured for a
fi
xed stage Emergency Heat in a heat pump unit.
5
Mod Heat Enable
Con
fi
gure if a 0-10 VDC Modulating Heat source needs a relay to enable it.
6
Mod Cool Enable
Con
fi
gure if a 0-10 VDC Modulating Cool source needs a relay to enable it.
7
Morning Warm-Up/
Cool-Down (VAV Boxes)
Con
fi
gure (1) Relay for Morning Warm-Up/Cool-Down when Non-Orion VAV/Zone Controllers
are used.
8
Reheat
Con
fi
gure (1) Relay for On/Off Reheat when used.
9
Pre-Heat
Con
fi
gure for Pre-Heat operation.
10
Low Ambient
Con
fi
gure for Low Ambient operation.
11
Exhaust Fan
Con
fi
gure (1) Relay for enabling exhaust fan when Building Pressure Control is used.
12
Economizer Active
If con
fi
gured, this relay will energize if unit is in Economizer mode and the damper has moved
5% above its Economizer Minimum Setpoint position.
13
Heat Wheel
Con
fi
gure (1) Relay that turns heat wheel on when in occupied operation and turns heat
wheel off when in Economizer Mode.
14
Occupied Active
If con
fi
gured, this relay will energize whenever the unit is in the Occupied Mode.
15
Override Active
If con
fi
gured, this relay will energize anytime the space sensor Push-button override is active.
16
Alarm Active
If con
fi
gured, this relay will energize anytime a VCC-X alarm is active.
17
Liquid Line 1 Solenoid - EXV 1
Con
fi
gure (1) Relay for RSMV or RSMV-HP Expansion Valve 1.
18
Liquid Line 2 Solenoid - EXV 2
Con
fi
gure (1) Relay for RSMV or RSMV-HP Expansion Valve 2.
19
Liquid Line 3 Solenoid - EXV 3
Con
fi
gure (1) Relay for RSMV-HP Expansion Valve 3.
20
Liquid Line 4 Solenoid - EXV 4
Con
fi
gure (1) Relay for RSMV-HP Expansion Valve 4.