Carrier WEATHERMASTER 48/50Z030-105 User Manual

Page 33

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33

CONTROLS QUICK START

The following section will provide a quick user guide to set-

ting up and configuring the Z Series units with ComfortLink™

controls. See Basic Control Usage section on page 4 for infor-

mation on operating the control.

Two-Stage Constant Volume Units with
Mechanical Thermostat —

To configure the unit, per-

form the following:

1. The type of control is configured under Configuration

UNIT

C.TYP. Set C.TYP to 4 (TSTAT 2 STG).

2. Remove jumpers from R-W2 and W2-W1 on TB202 in

the control box.

3. See Economizer Options section on page 34 for addition-

al economizer option configurations.

4. See Exhaust Options section on page 34 for additional

exhaust option configurations.

Two-Stage Constant Volume Units with Space
Sensor —

To configure the unit, perform the following:

1. The type of control is configured under Configuration

UNIT

C.TYP. Set C.TYP to 6 (SPT 2 STG).

2. Under Configuration

SENS

SPT.S, enable the space

sensor by setting SPT.S to ENBL (enable).

3. The space temperature 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 on pages 54 and 45 for further descrip-

tion on these configurations. Configure the following set

points:

4. The degrees of demand from the space temperature set

points are configured under the Configuration

D.LV.T

submenu. See the Heating Control and Cooling Control

sections for further description on these configurations.

Configure the following set points:

5. Install jumpers between R-W2 and W2-W1.
6. Under Configuration

UNIT

CV.FN, set CV.FN to 1

for continuous fan or 0 for automatic fan.

7. To program time schedules, set SCH.N=1 under Config-

uration

CCN

SC.OV

SCH.N to configure the con-

trol to use local schedules.

8. Under the Timeclock

SCH.L submenu, enter the

desired schedule. See Time Clock section for further

descriptions of these configurations.

9. Under the Configuration

CCN

SC.OV submenu, the

following schedules and overrides should be configured:

10. See Economizer Options section on page 34 for addition-

al economizer option configurations.

11. See Exhaust Options section on page 34 for additional

exhaust option configurations.

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.

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

further description on these configurations. Configure the

following set points:

3. To program time schedules, make sure SCH.N=1 under

Configuration

CCN

SC.OV

SCH.N to configure

the control to use local schedules.

4. Under the Timeclock

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:

NOTE: Configure either RTIO and LIMT or RES.S. All three

are not used.

7. See the Economizer Options section on page 34 for addi-

tional economizer option configurations.

8. See the Exhaust Options section on page 34 for addition

exhaust option configurations.

Multi-Stage Constant Volume Units with
Mechanical Thermostat —

To configure the unit, per-

form the following:

1. Under Configuration

UNIT

C.TYP, set C.TYP to 3

(TSTAT MULTI).

2. Remove jumpers from R-W2 and W2-W1 on TB202 in

the control box.

3. Under the Setpoints menu, set the following

configurations:

OHSP

Occupied Heat Setpoint

OCSP

Occupied Cool Setpoint

UHSP

Unoccupied Heat Setpoint

UCSP

Unoccupied Cool Setpoint

GAP

Heat-Cool Setpoint Gap

L.H.ON

Demand Level Lo Heat On

H.H.ON

Demand Level Hi Heat On

L.H.OF

Demand Level Lo Heat Off

L.C.ON

Demand Level Lo Cool On

H.C.ON

Demand Level Hi Cool On

L.C.OF

Demand Level Lo Cool Off

O.T.L.

Override time limit

SPT.O

SPT override enabled?

T58.O

T58 override enabled?

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

SP.SP

Static Pressure Set point

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

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