APC UTS6H Specifications Page 5
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5
WARNING
Burn and scald hazard. Failure to install mixing
valve will result in hot water scalding hazard.
Install mixing valve per manufacturer instructions.
!
Hydronic system is supplied with •
freewatt
communicating
thermostat. Utilize thermostat on single “Smart Zone” only.
Select “Smart Zone” as zone with largest heating demand
(not domestic hot water zone) typically the largest space
heating zone on fi rst fl oor of two story home.
freewatt
PLUS
System will produce best electric power generation
benefi t if Smart Zone represents at least 25% of total home
heating load. Consider combining zones to achieve desired
heat load for Smart Zone if there is no single large zone in
existing distribution system, but many small zones.
freewatt
• communicating thermostat is directly wired to
freewatt
Control Module circuit board. Additional fi ve
zones, with compatible conventional heating thermostats
(new or existing) may be connected directly to
freewatt
Control Module circuit board. If more than compatible six
zones (including priority domestic hot water and Smart
Zone) are needed
freewatt PLUS
System can be
expanded to include additional heating zones. Additional
ECR zone controls may be required.
Hydronic•
freewatt PLUS
System installation may be
phased. Install
freewatt PLUS
Boiler and Control Module
in required piping confi guration as shown in
Section 17
,
leaving installation, commissioning, and operation of MCHP
to later date (cap off piping connections to MCHP), if need
to supply heat to building quickly as possible.
freewatt
PLUS
boiler will provide suffi cient heating capacity to meet
normal loads if MCHP unit is not available for operation.
MCHP unit will provide signifi cant portion of annual •
heating energy needed in home, MCHP unit alone
cannot be expected to meet all desired comfort and/or
freeze protection needs. Maintaining operation status of
freewatt
Boiler as part of
freewatt PLUS
System is
essential to meeting all comfort and/or freeze protection
needs.
“CHP MODE” switch OFF position conveniently •
separates and maintains boiler heating function while
disabling operation of MCHP unit and generation of
electric power. This is Bypass Mode of operation.
Full heating operation of hydronic •
freewatt PLUS
System
is not dependent on maintaining working connection to
Internet. Lack of internet connection will prevent remote
communication with system by homeowner or service
provider.
2- INTRODUCTION
Installation of UL and ULC recognized CO detectors with •
audible alarms (not supplied with system) are required
part of
freewatt PLUS
installation.
freewatt PLUS
Exhaust Gas Detection System included part of
freewatt
PLUS
System does not provide audible alarm for protec-
tion of building inhabitants from potentially dangerous high
levels of carbon monoxide. Install both Exhaust Gas Detec-
tion System and separate, independent UL recognized CO
Detectors.
Installation of two different outdoor temperature sensors is •
required for proper operation of hydronic
freewatt PLUS
System, both are supplied. One (Honeywell) connects
directly to boiler and other (Tekmar) to
freewatt
Control
Module.
hydronic •
freewatt PLUS
System will generate heat &
electric power during power outage if installed and commis-
sioned per Installation, Operation, and Maintenance Manual.
Heating system must be connected to APC UTS.
Installation, setup, commissioning and maintenance of •
freewatt PLUS
System requires use of
freewatt
PLUS
MINT software tool loaded on laptop computer run-
ning Windows XP or Vista with working serial connection.
Call •
freewatt PLUS
Technical Support Line for
free-
watt PLUS
System installations above 3,300 feet and for
additional information.
Heat rejection kit (sold separately) required for instal-•
lation.
Water cooled heat rejection kit used when there •
is uninterruptable supply of water during power
outage. Kit ties into main water supply line and
discharges water to appropriate drain.
Air cooled heat rejection kit used when there is •
not uninterruptable supply of water during outage
(houses with well pumps). Air cooled heat rejection
system is vertically arranged side discharge fan-coil
unit with closed coolant loop designed for outdoor
installation.
Zone Valves with their own 24 VAC power supply may •
be used on zones 3-6. Refer to Electrical Wiring and
Connections section for detailed information on use of
steering relays in
freewatt control module.
- Hydronic 1
- 2- INTRODUCTION 10
- WARNING 14
- Note (1) 15
- Delayable - Yes: 15
- 7.1 Codes 19
- 8 - PLACING THE SYSTEM 22
- 8- PLACING THE SYSTEM 26
- 9 - EXHAUST GAS LEAK SENSOR 30
- MCHP Vent 32
- 11 - GAS SUPPLY PIPING 33
- Outdoor Temperature Sensor 38
- 12.14 Internet Connection 38
- 13 -COMMISSIONING AND STARTUP 40
- 14 - MAINTENANCE AND CLEANING 42
- 15.1 MCHP Operation: 45
- 15.2 freewatt PLUS 45
- System Response to Heat 45
- Demands: 45
- 15.3 Achieving Best 46
- System 46
- Performance 46
- 16 - TROUBLESHOOTING 49
- www.ecrinternational.com 68
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