45
Job Name:
Indoor Unit Model:
Outdoor Unit Model:
CBX25UHV (all units) and CBX32MV units prior to Revision 06 Indoor Unit Setup:
9
Remove
DS
to
Y1
jumper”
9
No jumper between
DS
and
Y1
on CBX25UHV
9
On the CBX32MV the wire from K20 terminal 4 to BDC3 board JP1 pin 2 must be re-routed to
establish an electrical connection between K20 terminal 4 and terminal
G.
Cut the wire near
JP1 pin 2.
9
Using the wire still connected to K20 terminal 4, strip the cut end and connect it to terminal
G
.
Tape the exposed end of the short JP1pin 2 wire.
9
On the CBX25UHV the blue wire that goes between plug # 2 of the circuit board and one side
of the contacts on the BR relay must be removed and connected to the
G
pigtail. Tape off end of
wire going to the circuit board jack plug.
9
Remove any factory-installed jumpers between terminal
R
and
W1
,
W2
, or
W3
. No jumper
between
R
and
W1
or
W2
on CBX25UHV.
9
BDC3 control clip jumper settings (CBX25UHV and CBX32MV
Function
Settings
Condition
COOL
This setting, along w/ ADJUST setting, determines maximum
system CFM (see blower CFM 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
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
Zone 1
Name:
Desired CFM:
PIAB Setting:
Actual CFM:
9
Zone 2
Name:
Desired CFM:
PIAB Setting:
Actual CFM:
9
Zone 3
Name:
Desired CFM:
PIAB Setting:
Actual CFM:
9
Zone 4
Name:
Desired CFM:
PIAB Setting:
Actual CFM:
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
Содержание Harmony III
Страница 80: ...80...
