PATH freewatt HDJ, Инструкция по установке, эксплуатации и обслуживанию, Страница: 37 / 68

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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