APC UTS6H Specifications download pdf (Page 37)

12.10 Honda MCHP Unit - Line Voltage Connections

Refer to Honda MCHP Installation Manual – Electrical •

Connections Section before performing installation in

this section.

Recommend Breaker: 2-pole; 15 Amp breaker.•

Remove cover plate, install blanking plate, connect •

240 VAC power cable to terminal block on Honda MCHP

unit. Figure 12-5 and 12-10 and Honda MCHP IOM for

details.

Provide and install 240 VAC disconnected switch and •

junction box onto side of boiler or adjacent wall, route circuit

from main service panel to switch and back to

freewatt

Transfer Switch, see electrical schematics. Route 240 VAC

circuit from

freewatt

Transfer Switch to Honda MCHP’s

electrical terminal block per Honda MCHP IOM. Do not attach

disconnect switch or junction box onto MCHP unit cabinet.

Do not make penetrations in MCHP cabinet.

Flexible metal conduit is required to provide vibration •

isolation for Honda MCHP. Use NEC conforming,

minimum 4-conductor, 240 VAC dedicated circuit 14

AWG ﬂ exible metal conduit.

Afﬁ x Generator warning label provided to main distribution •

panel where it is clearly seen by any service personnel.

Figure 12-9.

12.11 HONDA MCHP Unit - Communication

Connections

Connect Honda MCHP to control module with system-•

supplied RS 232 communication cable (with attached

9-pin male connector). Plug connector in upper female

9-pin connector on exterior of right side of freewatt

Control Module. Route MCHP communications cable to

Honda MCHP and connect to communication port on

Honda MCHP.

Install strain relief just outside lower compartment. •

Figure 12-8.

12.12 Smart Zone Thermostat Connections

Refer to instructions supplied with “Zone 2 - Smart Zone”

communicating thermostat for installation and operating

instructions. Connect thermostat cable to thermostat terminal

block, Figure 12-7. Thermostat cable extends from thermostat to

control module, routed through low voltage knockout on control

module enclosure, Figure 12-6.

Install thermostat on inside wall away from inﬂ uences •

of drafts, hot or cold water pipes, lighting ﬁ xtures,

televisions, sun rays, or ﬁ replaces. Install “Zone 2 -

Smart Zone” thermostat in accordance with guidance

provided in Section 2 and 3. (Heating load for Zone 2

Figure 12-8 MCHP Low Voltage Wiring Strain

Relief

Figure 12-6 T-Stat Connection to Controller

Figure 12-7 Thermostat Connections

12 - ELECTRICAL WIRING & CONNECTIONS

Figure 12-5 MCHP Connection Details

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