Indianapolis, IN 46237
www.iohvaccontrols.com
For Technical Support Call Toll Free: 866-225-5032
ZP4-ESP SPECIFICATIONS:
Enclosure:
Aluminum
Panel Dimensions:
Height: 8.75”
Width: 7.0”
Depth 1.5”
PC Board Mounting:
Individual Snap Track mounted to enclosure base
Operating Temperature Rating:
-40° F to 150° F
Operating Humidity:
5% to 90% RH non-condensing
Wiring:
18-gauge wire for all equipment and component
connections.
Time Delays:
5 minutes off between heating and cooling calls.
3 minutes off on high or low limit
20 minute time share
Purge ON = 1 minute
Thermostats:
Single or multi-stage
Programmable or non-programmable
Auto or manual changeover
Sensors:
ZPA-DTS Discharge Temperature Sensor
NTC Type 3, 10K @ 77° F, +/- 3% @ 77° F
Ω
ZPA-OTS Outdoor Temperature Sensor
NTC Type 3, 10K @ 77° F, +/- 3% @ 77° F
Ω
24. When the system static pressure falls below the ESP static pressure sensor setting, the ESP LED
will go out but the non-calling zone LEDs will blink confirming they are in a floating position.
25. After confirming the ESP function is working, place the zone one thermostat in the Auto fan mode.
26. The system fan should shut off and all zone LEDs will light confirming that the zone dampers are
now in the full open position.
27. Place the zone thermostats in their normal operating mode and adjust setpoints and scheduling
accordingly.
iO-06-1338-090320
Summary of Contents for ZP4-ESP
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