27
CONTROLS QUICK START
The following section will provide a quick user guide to set-
ting up and configuring the N Series units with ComfortLink
controls. See Basic Control Usage section on pages 4 and 5 for
information on operating the control.
Variable Air Volume Units Using Return Air
Sensor or Space Temperature Sensor —
To
configure the unit, perform the following:
1. The type of control is configured under Configuration
UNIT
C.TYP. Set C.TYP to 1 (VAV-RAT) for return
air sensor. Set C.TYP to 2 (VAV-SPT) for space tempera-
ture sensor.
NOTE: For VAV with a space sensor (VAV-SPT), under
Configuration
UNIT
SENS
SPT.S, enable the
space sensor by setting SPT.S to ENBL.
NOTE: Refer to the section on static pressure control for infor-
mation on how to set up the unit for the type of supply fan con-
trol desired.
2. The space temperature set points and the supply air set
points are configured under the Setpoints menu. The
heating and cooling set points must be configured. See
the Heating Control and Cooling Control sections for fur-
ther description on these configurations. Configure the
following set points:
Also configure the following points in the Configura-
tion
BP
D.LV.T menu:
3. To program time schedules, make sure SCH.N=1 under
Configuration
IAQ
SC.OV
SCH.N to configure
the control to use local schedules.
4. Under the Time Clock
SCH.L submenu, enter the de-
sired schedule. See Time Clock section for further
descriptions of these configurations.
5. Under Configuration
SP
SP.SP, the Supply Duct
Static Pressure set point should be configured.
6. If supply air temperature reset is desired, under the
Configuration
EDT.R submenu, the following set
points should be configured:
This applies to both TSTAT MULTI and SENSOR
MULTI modes.
NOTE: Configure either RTIO and LIMT or RES.S. All three
are not used.
7. See the Economizer Configurations section for additional
economizer option configurations.
8. See the Exhaust Configurations section for addition ex-
haust option configurations.
Multi-Stage Constant Volume and Staged Air
Volume Units with Mechanical Thermostat —
To configure the unit, perform the following:
1. Under Configuration
UNIT
C.TYP, set C.TYP to 3
(TSTAT MULTI). See the Economizer Configurations
section for additional economizer option configurations.
2. Under the Setpoints menu, set the following
configurations:
See the Exhaust Configurations section for additional ex-
haust option configurations.
Multi-Stage Constant Volume and Staged Air
Volume Units with Space Sensor —
To configure
the unit, perform the following:
1. Under Configuration
UNIT
C.TYP, set C.TYP to 4
(SPT MULTI).
2. Under the Setpoints menu, the following configurations
should be set:
3. Under the Setpoints submenu, the heating and cooling set
points must be configured:
4. Under Configuration
UNIT
SENS
SPT.S, enable
the space sensor by setting SPT.S to ENBL.
5. Under Configuration
UNIT
FN.MD, set FN.MD to
1 for continuous fan or 0 for automatic fan.
6. To program time schedules, set SCH.N=1 under Config-
uration
IAQ
SC.OV
SCH.N to configure the con-
trol to use local schedules.
7. Under the Timeclock
SCH.L submenu, enter the de-
sired schedule. See Time Clock section for further
descriptions of these configurations.
8. See the Economizer Configurations section for additional
economizer option configurations.
9. See the Exhaust Configurations section for additional ex-
haust option configurations.
Economizer Configurations — Under the Configu-
ration
ECON submenu, the following set points should be
configured:
OHSP Occupied Heat Set Point
OCSP Occupied Cool Set Point
UHSP Unoccupied Heat Set Point
UCSP Unoccupied Cool Set Point
GAP Heat-cool Set Point Gap
V. C . O N VAV Occupied Cool On Delta
V. C . O F VAV Occupied Cool Off Delta
L.H.ON Demand Level Low Heat On
L.H.OF Demand Level Low Heat Off
RS.CF EDT Reset Configuration
RTIO Reset Ratio
LIMT Reset Limit
RES.S EDT 4-20 mA Reset Input
SA.HI Supply Air Set Point Hi
SA.LO Supply Air Set Point Lo
SA.HI Supply Air Set Point Hi
SA.LO Supply Air Set Point Lo
OHSP Occupied Heat Setpoint
OCSP Occupied Cool Setpoint
UHSP Unoccupied Heat Setpoint
UCSP Unoccupied Cool Setpoint
GAP Heat-Cool Setpoint Gap
D.LV.T
Cool/Heat Set Point Offsets (located in the
Configuration menu)
EC.EN Economizer Enabled?
EC.MN Economizer Min.Position
EC.MX Economizer Maximum Position
E.TRM Economizer Trim for SumZ?
E.SEL Econ Changeover Select
OA.E.C OA Enthalpy Change Over Select
OA.EN Outdoor Enthalpy Compare Value
OAT.L High OAT Lockout Temp
O.DEW OA Dew Point Temp Limit
ORH.S Outside Air RH Sensor
CFM.C Outdoor Air CFM Control
E.CFG Economizer Operation Config
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