30MP Multi-chiller overview and specifications
30MP Multi-chiller CARRIER CORPORATION ©2018
Installation and Start-up Guide All rights reserved
2
Controller specifications
Power 24 Vac ±10%, 50–60 Hz
20 VA power consumption
26 Vdc (25 V min, 30 V max)
Single Class 2 source only, 100 VA or less
BACnet Port For communication with the controller network using BACnet ARC156 (156 kbps)
or BACnet MS/TP (9600 bps – 76.8 kbps)
Rnet port Supports 1 Equipment Touch per Rnet
Equipment Touch requires 24 Vac and cannot be powered by Rnet's 12
Vdc. For more details, see the Equipment Touch Installation and Setup Guide.
Local Access port For system start-up and troubleshooting using Field Assistant or an Equipment
Touch device
Inputs 6 inputs configurable for thermistor or dry contact. 1 and 2 are also configurable
for 0–5 Vdc sensors.
7 and 8 are unused.
Input resolution 10 bit A/D
Analog outputs 3 analog outputs, 0–10 Vdc (5 mA max)
Binary outputs 5 binary outputs, dry relay contacts rated at 1 A max. @ 24 Vac/Vdc. Configured
normally open
Output resolution 8 bit A/D, using filtered PWM
Real time clock Battery-backed real time clock keeps track of time in the event of a power failure
Battery 10-year Lithium CR2032 battery retains the following data for a maximum of
10,000 hours during power outages: control programs, editable properties,
schedules, and trends.
Protection Incoming power and network connections are protected by non-replaceable
internal solid-state polyswitches that reset themselves when the condition that
causes a fault returns to normal.
The power, network, input, and output connections are also protected against
transient excess voltage/surge events lasting no more than 10 msec.
Status indicators LEDs indicate status of communications, running, errors, and power.
Environmental operating
range
0 to 130°F (-18 to 54°C), 0 to 90% relative humidity, non-condensing
Storage temperature range -24 to 140°F (-30 to 60°C), 0 to 90% relative humidity, non-condensing
Physical Rugged GE C2950HF Cycoloy plastic
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