APC UTS6H Specifications download pdf (Page 15)

Determine cooling and heating requirements at design

conditions:

Site Data:

Required Heating Capacity 68,000 Btu/hr

(Based on Design temperature = 0°F)

Required Cooling Capacity 36,000 Btu/hr

(Based on existing 3-Ton system design)

Select system based on required heating capacity:

See table for proper system size and select WAJ080-

N00A with Heating Capacity of 76,000 Btu/hr.

Site Evaluation

Evaluate following system components after selecting

ﬁ ring rate for system:

Ductwork:• Properly sized for new airﬂ ow &

distribution at MCHP Mode & furnace Heat Mode

Smart Zone Thermostat Location:• Locate Smart

Zone in large zone in close proximity of freewatt

PLUS System. Will facilitate installation of 10

conductor cable from thermostat to system.

Make-Up Air Calculation• : Ensure Honda MCHP has

adequate make-up air for its 27,000 Btu/hr ﬁ ring

rate.

Electrical Requirements• : Ensure main electrical

panel has two open breaker slots for 240 VAC MCHP

breaker.

Utility Requirements• : Grid interconnection, net

metering and disconnect switch requirements

differ from utility to utility. Review your utility’s

requirements and how they impact installation.

Condensate Removal• : Furnace and Honda MCHP

create condensate drain for this ﬂ uid is required.

Follow local codes for condensate removal.

Internet Connection• : freewatt

System control

module is internet-ready and has embedded

web-page. Remote monitoring of system can be

performed by ECR International.

Heat Rejection System• : Evaluate whether water

cooled or air cooled heat rejection system (HRS) is

applicable for site and logistics involved with their

installation. The air cooled HRS is located outdoors

and the water cooled HRS is located indoors. Refer

to section 6 for additional details.

Load Selection

Select up to six (6) loads to be placed on APC UTS6H

back-up panel. Loads need to be 120 VAC and each

load should be less than 15 amps. Sheets on following

pages outline circuit plan for back-up panel.

Ensure each load be on dedicated circuit, and total load

of each circuit is known to be less than 15 amps.

Required loads for this panel include:

Furnace (Hot Air) [• freewatt

PLUS System]

Suggested additional loads for this panel include:

Lighting Circuit•

Garage Door Opener (Low Power)•

Freezer•

Air Conditioner [Low Power, Dedicated 120 VAC •

circuit]

None (If less than 6 loads required)•

Other (Computer/TV/Radio)•

Sump Pump (Low Power)•

Sprinkler System•

Security System•

Refrigerator [NAECA 2001 Compliant recommended]•

Well Pump [Low Power, 120 VAC]•

Microwave Oven (Low Power)•

Backup Power Source

Next level of selection is backup power source, the

Honda MCHP. Honda MCHP provides 1,800 watts of

power in backup power mode, however only 1,700

watts is available to serve connected loads due to the

100 Watt power consumption of the load balancing

transformer. The Honda MCHP should be placed in

BACKUP1 Power Source Conﬁ guration.

freewatt

PLUS System has approximately 90 second

delay before power is supplied to back up loads.

Homeowner has option to connect Uninterruptible

Power Supply (UPS) to APC UTS6H and allow selected

loads to have power throughout power outage. If UPS

is included in system design, recommend computer,

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APC UTS6H Specifications Page 15

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