Emerson MINI-MATE2 user manual Water/Glycol, DPN000228 Rev, Site Preparation and Installation

Site Preparation and Installation

Figure 22 Indoor water/glycol condensing unit electrical field connections

Field-Supplied Unit Disconnect
Switch when Factory Unit
Disconnect Switch is not	Electric Service not
Supplied	by Emerson

Factory-Installed

Disconnect Switch

WATER/GLYCOL

Field-Supplied 24V NEC Class 1

Wiring to Fan/Coil Unit

Field-Supplied 24V NEC Class 1 Wiring to Drycooler (Glycol-cooled

units only)

Line Voltage Electric Power Supply Conduit Voltage

Removable

Access Panel

Heat Rejection Connection. Field-supplied 24V NEC Class 2 wiring. See Note 2. Wire connections from evaporator module:

1. 24V GND

2. 24V Supply

3. High Pressure Alarm (OPT)

4. Hot Gas Bypass Connection

Remote Drycooler Connection

Field-Supplied 24V NEC Class 1

Wiring (Glycol-cooled units only)

NOTES:

1.Refer to specification sheet for full load amp. and wire size amp ratings.

2.Control voltage wiring must be a minimum of 16GA (1.3mm) for up to 75'(23m) or not to exceed 1 volt drop in control line.

Connection Terminal for Field-Supplied Earth Grounding Wire

Low-Voltage Electric Power Supply Conduit Entrance

DPN000228

Rev. 2

35 Liebert® Mini-Mate2™