ClimateMaster ACDU03 Bedienungsanleitung

Operation Manual

97B0106N01

Rev.: 11/3/17

ACDU03 Communicating

Service Tool

Table of Contents

Caution:

These instructions are intended to be used by the installer or service personnel. End users are NOT advised to change or

modify any of these settings. Doing so may cause the equipment to stop working properly and/or may void the warranty on

both the thermostat and the equipment.

Section Title Page

1.0 Connection 3

2.0 Menu Structure 4

3.0 System Conﬁguration 4

3.1 Airﬂow Selection 4

3.2 Option Selection 5

3.3 Unit Conﬁguration 5

3.4 Pump Conﬁguration 6

3.5 Valve Conﬁguration 6

3.6 Multi-Unit Conﬁguration 7

4.0 Service Mode 8

4.1 Manual Operation 8

4.2 Control Diagnostics 8

4.3 Dipswitch Conﬁguration 9

4.4 Fault History 9

4.5 Clear Fault History 11

5.0 Revision History 12

This page was intentionally left blank.

ACDU03 Communicating Service Tool

Rev.: November 3, 2017

ClimateMaster’s Communicating Service Tool (ACDU03) allows install and service technicians to conﬁgure and diagnose

ClimateMaster Digital Communicating Units without installing a digital communicating thermostat.

Using the Service Tool, a technician can ELECTRONICALLY:

1. Conﬁgure items like: airﬂow, heat pump options and conﬁguration, pump or modulating valve operation, unit family, unit

size, etc.

AND

2. Diagnose the unit by operating it manually, performing control diagnostics, viewing dip switch conﬁgurations, or by

viewing fault history and operating conditions when a fault occurred.

The Service Tool connects to the DXM2 board with a 4-Wire Connector as shown below:

Alarm

AL1

NSB

AL2

JW1

B-

Gnd

A+ 24V

Service tool

connection

DXM2

Board

DXM2

Board

1.0 Connection

 WARNING! 

WARNING!

Connecting wire harness while unit is

powered on or connecting backward may damage

service tool.

Note: For Vertical Stack models (TSM, TSL) must

order harness for connection to service port outside

chassis. Harness part number 11B0100N27. DXM2 to

service port is factory wired.

ACDU03 Communicating Service Tool

Rev.: November 3, 2017

4Geothermal Heat Pump Systems

2.0 Menu Structure

System Conﬁguration

Airﬂow Selection

Option Selection

Unit Conﬁguration

Pump Conﬁguration

Valve Conﬁguration

Service Mode

Manual Operation

Control Diagnostics

Dipswitch Conﬁguration

Fault History

Clear Fault History

Menu Structure

Start-up Screen

System Conﬁguration Menu

SERVICE TOOL MENU

SYSTEM CONFIG

SERVICE MODE

ACDU03 1.00

SELECT OPTION

3.0 System Conﬁguration

Use the System Conﬁguration option on the start-up screen

to adjust critical equipment settings.

The System Conﬁguration information will be automatically

obtained from each communicating control in the system.

Note 1: The Airﬂow Selection menu (section 3.1) will not be

present if the connected communicating control system has

no blower.

Note 2: The Pump Conﬁguration menu (section 3.4) will

not be present if the connected communicating control is

conﬁgured for No Loop Conﬁguration (OTHER).

Note 3: The Valve Conﬁguration menu (section 3.5) will

not be present if the connected communicating control is

conﬁgured for No Loop Conﬁguration (OTHER).

3.1 AIRFLOW SELECTION

Adjust the airﬂow settings for each system operating mode

using the up/down arrow buttons. Press the center button to

select each item.

• Airﬂow Settings (defaults stored in control) -

valid range: obtained from control (in 25 CFM

increments)

• Blower Off Delay (default 60 seconds) – valid

range: 0 to 255 seconds (in 5 second increments)

NOTE 1: The Airﬂow Settings will only be present if the

connected communicating control is conﬁgured for ECM

blower.

NOTE 2: If multiple units are connected to one thermostat,

refer to section 3.6 for unit selection.

SYSTEM CONFIGURATION

AIRFLOW SELECTION

OPTION SELECTION

UNIT CONFIG TES026

PUMP CONFIGURATION

SELECT OPTION

PREVIOUS SELECT

ACDU03 Communicating Service Tool

Rev.: November 3, 2017

Option Selection Menu

Unit Conﬁguration Menu

OPTION SELECTION

MOTORIZED VALVE OFF

COMPRESSOR ASCD 0

SELECT OPTION

PREVIOUS SELECT

NOTE: “Motorized Valve” used here refers to a two-position

motorized water valve, not to be confused with the modulating

motorized water valve found in the LOOP CONFIG.

3.2 OPTION SELECTION

This option allows the conﬁguration of heat pump options to

be modiﬁed.

Adjust the Option settings using the up/down arrow buttons.

Press the center button to select each item.

• Motorized Valve (defaults stored in control) – valid

range: Off, On “On” delays compressor start until

the valve is fully open.

• Compressor ASCD (Anti-Short Cycle Delay (default

stored in control) – valid range: 5 to 8 (in 1 minute

increments)

NOTE 1: The CompressorAnti-Short Cycle Delay setting

provides equipment protection by forcing the compressor to

wait a few minutes before restarting.

NOTE 2: If multiple units are connected to one thermostat,

refer to section 3.6 for unit selection.

3.3 UNIT CONFIGURATION

Adjust the Unit Conﬁguration settings including Heat

Pump Family, Heat Pump Size, Blower Type, and Loop

Conﬁguration using the up/down arrow buttons. Press the

center button to select each item.

• Heat Pump Family (default stored in control) –

valid range: TE, TY, TES, TEP, TRT, TSM, TSL

• Heat Pump Size (default stored in control) – valid

range: depends on Heat Pump Family setting

• Blower Type (default stored in control) – valid

range: NO BLOWER, 2-SPD PSC, COM ECM-V,

1-SPD PSC, 2-SPD CTM, PWM ECM, VFD

• Loop Conﬁg (default stored in control) – valid

range: Other, VS PUMP, MOD VALVE

Airﬂow, pump and valves can be conﬁgured from ‘System

Conﬁguration’ screen.

Select ‘VS PUMP PARALLEL’ when applying an internal

variable speed ﬂow controller with other ﬂow controllers on a

single loop in parallel.

NOTE: Refer to section 3.6.3 for multi-unit conﬁguration

instructions.

UNIT CONFIGURATION

CURRENT CONFIG TE026

HEAT PUMP FAMILY TE

HEAT PUMP SIZE 026

BLOWER TYPE ECM

LOOP CONFIG VS PUMP

SELECT OPTION

PREVIOUS SAVE

ACDU03 Communicating Service Tool

Rev.: November 3, 2017

6Geothermal Heat Pump Systems

VARIABLE SPD INTERNAL

PUMP CONFIGURATION

LOOP OPTION SINGLE

PUMP CONTROL FIXED

HEATING STAGE 1 60%

COOLING STAGE 2 75%

COOLING STAGE 1 50%

COOLING STAGE 2 70%

PREVIOUS SELECT

3.4 PUMP CONFIGURATION

vFlow™ vs internal ﬂow control pump can be controlled either

through temperature differential (Delta T) or can be set to

speciﬁc speed (ﬁxed; % of full speed for each heat and cool

stage).

Can be conﬁgured for either single pumping or parallel

pumping.

Conﬁgure temperature differentials at the thermostat for

vFlow™ units with an internal ﬂow control pump.

Adjust the Pump Conﬁguration settings using the up/down

arrow buttons. Press the center button to select each item.

• Heating Delta T (default stored in control) –

valid range: 4 to 12ºF (in 1ºF increments)

• Cooling Delta T (default stored in control) –

valid range: 9 to 20ºF (in 1ºF increments)

Maximum Heat LWT (valid range based on speciﬁc model;

refer to model IOM). Minimum Cool LWT (valid range based

on speciﬁc model; refer to model IOM).

NOTE: Refer to section 3.6.3 for multi-unit conﬁguration

instructions.

To control vs pump by ﬁxed speed, select ‘Pump Control’,

press , use down arrow to select ‘Fixed’, and press to

save.

Default stored in control. Valid range: 15% - 90% (in 1%

increments)

Heating Stage 1 Cooling Stage 1

Heating Stage 2 Cooling Stage 2

If Pump Conﬁguration is set to ‘VS PUMP PARALLEL’, valid

range changes to 50-90% (in 1% increments).

3.5 VALVE CONFIGURATION

Conﬁgure temperature differentials at the thermostat for

vFlow™ units with a motorized modulating valve.

Adjust the Valve Conﬁguration settings using the up/down

arrow buttons. Press the center button to select each item.

• Heating Delta T (default stored in control) –

valid range: 4 to 12ºF (in 1ºF increments)

• Cooling Delta T (default stored in control) –

valid range: 9 to 20ºF (in 1ºF increments)

NOTE 1: Minimum and Maximum degree values are shown

only when the control is conﬁgured with the appropriate

values.

NOTE 2: Refer to section 3.6.3 for multi-unit conﬁguration

instructions.

3.5.1 MODULATING VALVE OFF POSITION

For certain commercial multi-unit applications, the modulating

valve can be kept slightly open by choosing values 3.3-4.0.

MODULATING VALVE

CONFIGURATION

OFF POSITION 0.0

VALVE CONTROL DELTA T

HEATING DELTA T 7 F

COOLING DELTA T 10 F

MAXIMUM HEAT LWT 80 F

MINIMUM COOL LWT 40 F

PREVIOUS SELECT

VARIABLE SPD INTERNAL

PUMP CONFIGURATION

LOOP OPTION PARALLEL

PUMP CONTROL DELTA T

HEATING DELTA T 7 F

COOLING DELTA T 10 F

MAXIMUM HEAT LWT 80 F

MINIMUM COOL LWT 40 F

PREVIOUS SELECT

ACDU03 Communicating Service Tool

Rev.: November 3, 2017

Two

connections

on DXM2

board to allow

for multi-unit

installation

AIRFLOW SELECTION

TT026 S N - - - - - 1 2 3 4

TT026 S N - - - - - 5 6 7 8

TT038 S N - - - - - 9 0 1 2

PREVIOUS SELECT

OPTION SELECTION

TT026 S N - - - - - 1 2 3 4

TT026 S N - - - - - 5 6 7 8

TT038 S N - - - - - 9 0 1 2

PREVIOUS SELECT

3.6 MULTI-UNIT CONFIGURATION

If multiple units are connected to one ATC thermostat upon

unit start-up, the thermostat will automatically register the

serial numbers of all units connected to it.

NOTE: Multiple units may be connected directly to the ATC

thermostat or connected to one another in series, as shown

by the ﬁgure below.

3.6.1 MULTI-UNIT AIRFLOW SELECTION

In section 3.1, when an installer selects “Airﬂow Selection”

from the System Conﬁguration menu, the installer may

choose the unit to conﬁgure by the last 4 digits of its serial

number from the following screen.

3.6.2 MULTI-UNIT OPTION SELECTION

In section 3.2, when an installer selects “Option Selection”

from the System Conﬁguration menu, the installer may

choose the unit to conﬁgure by the last 4 digits of its serial

number from the following screen.

3.6.3 Multi-Unit, Unit, Pump, & Valve Conﬁguration

To conﬁgure Unit, Pump, and Valve options in sections 3.3-

3.5, the thermostat must be connected to only one unit at a

time.

ACDU03 Communicating Service Tool

Rev.: November 3, 2017

8Geothermal Heat Pump Systems

4.0 Service Mode

4.1 MANUAL OPERATION

Manual Operation mode allows service personnel to manually

command operation for any of the thermostat outputs, blower

speed, as well as pump speed or valve position to help

troubleshoot speciﬁc components.

NOTE 1: The ECM Airﬂow adjustment will not be present if the

connected communicating control (DXM2) is not conﬁgured for

ECM (section 3.1).

NOTE 2: The Pump Speed adjustment will not be present

if the connected communicating control (DXM2) is not

conﬁgured for Pump (section 3.4).

NOTE 3: The Valve Position adjustment will not be present if

the connected communicating control (DXM2) is conﬁgured for

Valve (section 3.5).

4.2 CONTROL DIAGNOSTICS

Control Diagnostics mode allows service personnel to view

the status of all physical inputs, switches and temperature

sensor readings, as well as the operational status of the heat

pump at the thermostat.

Navigate between diagnostic screens using the left/right

arrow buttons.

NOTE: The Pump Status will not be present if the connected

communicating control (DXM2) is not conﬁgured for Pump

(section 3.4).

SERVICE MODE

MANUAL OPERATION

CONTROL DIAGNOSTICS

DIPSWITCH CONFIG

FAULT HISTORY

CLEAR FAULT HISTORY

SELECT OPTION

PREVIOUS SELECT

MANUAL OPERATING MODE

Y1 COMM OUTPUT OFF

Y2 COMM OUTPUT OFF

W COMM OUTPUT OFF

O COMM OUTPUT OFF

G COMM OUTPUT OFF

H COMM OUTPUT OFF

DH COMM OUTPUT OFF

ECM AIRFLOW 0

PUMP SPEED 0%

TEST MODE OFF

SELECT OPTION

PREVIOUS SELECT

CONTROL STATUS

TEMPERATURES

LT1 TEMP 38.1

LT2 TEMP 79.9

COMP DISCHARGE 157.7

HOT WATER EWT 121.5

LEAVING AIR 75.1

LEAVING WATER 73.3

ENTERING WATER 78.5

CONTROL VOLTAGE 26.4

ECM BLOWER RPM 550

ECM TARGET CFM 800

ECM BLWR STATIC N/A

PREVIOUS NEXT

CONTROL DIAGNOSTICS

HP SWITCH CL

LOC SWITCH CL

Y1 PHYSICAL INPUT ON

Y2 PHYSICAL INPUT OFF

W PHYSICAL INPUT OFF

O PHYSICAL INPUT ON

G PHYSICAL INPUT ON

H PHYSICAL INPUT OFF

EMERG SHUTDOWN OFF

NIGHT SETBACK OFF

OVR INPUT OFF

PREVIOUS NEXT

CONTROL DIAGNOSTICS

PUMP OPERATION

PUMP SPEED 60%

PUMP WATTS 140

FLOW RATE GPM 7.4

ACDU03 Communicating Service Tool

Rev.: November 3, 2017

4.3 DIPSWITCH CONFIGURATION

Dipswitch Conﬁguration mode allows the service personnel

to view the status of all dipswitch settings for the connected

communicating control (DXM2/AXM) at the thermostat.

Navigate between conﬁguration screens using the left/right

arrow buttons.

NOTE: The unit control dipswitch settings cannot be changed

from the thermostat or conﬁguration/diagnostics tool.

S1 Dipswitch Status

S2 Dipswitch Status

S3 Dipswitch Status

Fault History

CONTROL CONFIGURATION

DIPSWITCH S1

1 ON UPS ENABLED

2 ON DUAL COMP STG 1

3 ON HEAT PUMP TSTAT

4 ON RV O THERMOSTAT

5 ON DEHUMID OFF

6 ON EH2 AUX HEAT

7 ON BOILERLESS

8 ON SEE DXM2 AOM

PREVIOUS NEXT

CONTROL CONFIGURATION

DIPSWITCH S2

1 ON \ ACCESSORY 1

2 ON ACCESSORY 2

3 ON/

4 ON \ ACCESSORY 2

5 ON ACTIVE W/ COMP

6 ON /

7 ON H DEHUM INPUT

8 ON FACTORY SETTING

PREVIOUS NEXT

CONTROL CONFIGURATION

DIPSWITCH S3

1 ON FACTORY SETTING

2 OFF HWG TEST OFF

3 OFF HWG SP 125

4 OFF HWG DISABLED

JW3 LT1 SETTING WELL

TT038 SN - - - - - 0 1 2 3

LAST 5 FAULTS

LT1 LOW WATER TEMP

NO FAULT

PREVIOUS SELECT

4.4 FAULT HISTORY

Fault History mode displays the ﬁve most recent stored fault

codes for the connected communicating control (DXM2).

Navigate between control fault codes using the up/down

arrow buttons. Press the center button to view more

information about the highlighted fault code.

ACDU03 Communicating Service Tool

Rev.: November 3, 2017

10 Geothermal Heat Pump Systems

4.4.1 Temperature Conditions

Displays detailed temperature readings that were

recorded at the time the fault occurred

4.4.0 Fault Conditions Menu

4.4.2 Flow Conditions

Displays detailed blower and pump speed / valve posi-

tion readings that were recorded at the time the fault

occurred.

4.4.3 Input/Output Conditions

Displays the status of all physical and communicated

inputs, switches, and control outputs that were re-

corded at the time the fault occurred.

FAULT CONDITION MENU

LT1 LOW WATER TEMP

HEAT 1 11:11 AM 11/14

FAULT TEMP CONDITIONS

FAULT FLOW CONDITIONS

FAULT I/O CONDITIONS

FAULT CONFIG COND

FAULT POSSIBLE CAUSES

PREVIOUS SELECT

FAULT TEMPERATURE CONDITIONS

LT1 LOW WATER TEMP

HEAT 1 11:11 AM 11/14

LT1 TEMP 28.1

LT2 TEMP 97.3

HOT WATER EWT 121.5

COMP DISCHARGE 157.7

LEAVING AIR 92.7

LEAVING WATER 34.9

ENTERING WATER 42.1

CONTROL VOLTAGE 26.4

FAULT I / O CONDITIONS

LT1 LOW WATER TEMP

HEAT 1 11:11 AM 11/14

TSTAT SAFETY OUTPT

CONV COMM HPS

Y1 Y1 LOC CC

Y2 Y2 CO RV

WW ACC1

OOOUTPT ACC2

GGFAN AL1

HH HWG EH1

OVR DH PUMP EH2

FAULT FLOW CONDITIONS

LT1 LOW WATER TEMP

HEAT 1 11:11 AM 11/14

ECM TARGET CFM 800

ECM BLOWER RPM 550

FLOW RATE GPM 6.5

PUMP SPEED 60%

PUMP WATTS 140

LOOP CONFIG VS PUMP

PREVIOUS SINGLE

FAULT FLOW CONDITIONS

LT1 LOW WATER TEMP

HEAT 1 11:11 AM 11/14

ECM TARGET CFM 800

ECM BLOWER RPM 550

VALVE POSITION 10.0V

LOOP CONFIG MOD VALVE

PREVIOUS MIN POS

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