46
4.2.3.3.
Cooling Only or Cooling with Hot Water Coil (Non-Heat Pump)
Job Name:
Indoor Unit Model:
Outdoor Unit Model:
CBX32MV, Rev 6 or higher, CBX40UHV and CBA38MV Indoor Unit Setup:
9
Cut on-board link
R
to
DS
“DEHUM or HARMONY”
9
For Hot Water Coil Only—Add K212 Relay and wire per Harmony III wiring detail. NOTE -
Discharge air sensor must be located downstream of cooling coil and hot water coil.
9
Air handler control jumper settings:
Function
Settings
Condition
COOL
This setting, along w/ ADJUST setting, determines maximum
system CFM (See blower tables)
ADJUST
Setting affects both heating and cooling blower speeds (see
blower tables to determine setting)
HEAT
HIGH
Heating blower speed selection – Ignored by Harmony III
zoning system
DELAY
4
Cooling blower ramping – Ignored by Harmony III zoning
system
BLOWER ONLY CFM
Continuous fan speed – Ignored by Harmony III zoning
system
EVENHEAT
EVENHEAT is not used with Harmony III zoning system
Panel Setup:
9
Heating staging jumper
Circle one: 85 90 100 110
120 130
Recommended 120 deg-F
9
Zone 1 PIAB 140F DAS
jumper in place
Circle one: Yes No
See “1.10.4. Zone 1 PIAB
Jumpers – 140ºF DAS” on page
10.
9
Cooling staging jumper
Circle one: 50 55 60
Select desired discharge air temp
during cooling
9
Cont. Air Reduction jumper
Circle one: 0 25 50 75
Percentage airflow reduction for
continuous fan operation
9
Heating Air Reduction
jumper
Circle one: 0 20 40
Percentage air flow reduction for
heating mode
9
System Configuration
jumpers
Circle one: HP GAS
Set to GAS
9
Stages
Circle one: 2COOL
1COOL
Set to match condenser, 1 or 2
stage
9
Stages
Circle one: 2HP 1HP
Ignored for gas heat, non-heat
pump application
9
E-HEAT Stages
Circle one: DF 1 2 3
Ignored for gas heat, non-heat
pump application
9
Desired total system CFM
with all zones calling:
Total system CFM per
tables:
Minimum CFM:
9
CB unit “minimum” CFM ____________ (determined by unit spec listed below unit blower table)
√ Zone 1
Name:
Desired CFM:
PIAB Setting:
Actual CFM:
√ Zone 2
Name:
Desired CFM:
PIAB Setting:
Actual CFM:
√ Zone 3
Name:
Desired CFM:
PIAB Setting:
Actual CFM:
√ Zone 4
Name:
Desired CFM:
PIAB Setting:
Actual CFM:
NOTE:
All of the above are recommended starting positions for DIP switches and
Harmony III zoning system jumpers. Slight variations may be required
during system start up and operation checks.
Field Wiring Checklist
√
Indoor Unit Wiring Completed:
DS
on Harmony III to
DS
on indoor unit connected
C on indoor unit connected to Harmony III transformer
C
No connection to
Y1
or
Y2
on indoor unit.
√
Outdoor Unit Wiring Completed
√
Thermostat and Damper Wiring Completed
√
Discharge Sensor wired to Harmony III zoning system and if a hot water coil is used,
the sensor must be located down stream of the hot water coil.
Summary of Contents for Harmony III
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