McQuay MHW Geothermal Ran Manual de instalación descargar pdf (Pagina 31)

IM 985-2 / Page 31 of 38

Outside Air Damper

Field-installed Option

CAUTION

To prevent inltration of ambient conditions, it is the responsibil-

ity of the contractor to assure that factory installed gasketing

matches up with the wall opening, or that additional material is

used to assure a positive seal.

Cold Weather Operation

Console water source heat pumps may experience erratic

operationduringcoldambientconditionswiththeoutsideair

damper in the open position. See "OperatingLimits"onpage

14, for guidelines.

Multiple Unit Control Panel (MUCP)

for Use With MicroTech® III Unit

Controller

For detailed installation instructions refer to IM 952

The Multiple Unit Control Panel (MUCP) is an accessory

usedwhenupto3-unitsarecontrolledfromasinglethermo-

stat.ConsoleunitsmusthavetheMUCPeld-installedina

remote location, typically close to the units and convenient

for service access.

Amaximumof2boardsmaybeusedtogetherifupto6-units

mustbeconnectedandcontrolledfromasinglethermostat.

Notes: The MUCP control board does not t inside the

console unit control box.

Multi-speed operation is only available with the

optional unit-mounted fan speed switch.

Themultipleunitcontrolboardprovidesthecomponents

necessary to protect the MicroTech III unit controller from

electricaldamagethatmayoccurwhenusingstandardoff-

the-shelfrelays.

ThisversionoftheboardusesVACrelaysandshouldnotbe

usedincombinationwithanyotheraccessoriesorequipment

thatrequireVDCconnectionstothe“G”,“W1”,or“Y1”

terminals (i.e. Boilerless System Kit).

1 2 ... 26 27 28 29 30 31 32 33 34 35 36 37 38

Sin comentarios

McQuay MHW Geothermal Ran Manual de instalación Pagina 31