AAON VCCX2 User Manual

29VCCX2 Controller Technical Guide
INPUTS AND OUTPUTS
User Congurable Relay Outputs
USER-CONFIGURABLE RELAY OUTPUTS
NO. RELAY DESCRIPTIONS DETAILS
1 Cooling Stage Congured for each xed stage of cooling (except heat pump compressor).
2 Heating Stage Congured for each xed stage of heating.
3 Aux Heat Congured for a xed stage of aux heat in a heat pump unit.
4 Emergency Heat Congured for a xed stage emergency heat in a heat pump unit.
5 Mod Heat Enable Congure if a 0-10 VDC modulating heat source needs a relay to enable it.
6 Mod Cool Enable Congure if a 0-10 VDC modulating cool source needs a relay to enable it.
7 Morning Warm-Up /
Cool-Down (VAV Boxes)
Congure (1) relay for morning Warm-Up/Cool-Down when non-Orion VAV/Zone Controllers are used.
8 Reheat Congure (1) relay for on/o󰀨 reheat when used.
9 Preheat Congure for preheat operation.
10 Low Ambient Congure for low ambient operation.
11 Exhaust or Return Fan Congure (1) relay for enabling exhaust or return fan when building pressure control is used.
12 Economizer Active If congured, this relay will energize if unit is in Economizer Mode and the damper has moved 5% above its
Economizer Minimum Setpoint position or if the damper moves above a user-adjustable position setpoint.
13 Heat Wheel Congure (1) relay that turns heat wheel on when in occupied operation and turns heat wheel o󰀨 when in
Economizer Mode.
14 Occupied Active If congured, this relay will energize whenever the unit is in the Occupied Mode.
15 Override Active If congured, this relay will energize anytime the space sensor push-button override is active.
16 Alarm Active If congured, this relay will energize anytime a VCCX2 alarm is active.
17 A1 Comp Run Status Will enable when the RSM A1 compressor activates.
18 A2 Comp Run Status Will enable when the RSM A2 compressor activates.
19 B1 Comp Run Status Will enable when the RSM B1 compressor activates.
20 B2 Comp Run Status Will enable when the RSM B2 compressor activates.
21 Condenser Pump If congured, this relay will energize when the unit requires the evaporative condenser to be enabled.
22 Sump Heater If congured, this relay will energize when the unit requires the sump heater to be enabled.
23 Sump Pump Drain If congured, this relay will energize when the unit requires the sump pump drain to be enabled.
Table 10: User-Congurable Relay Outputs

AAON VCCX2 Specifications

General

Brand	AAON
Model	VCCX2
Category	Controller
Language	English