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c l i m a t e m a s t e r.c o m

37

Tranquility

®

 22 (TZ) Series

R e v. :   A u g u s t   4 ,   2 0 2 1

T H E   S M A R T   S O L U T I O N   F O R   E N E R G Y   E F F I C I E N C Y

P1

Alarm

Relay

Comp

Relay

O

Y1
Y2

W

G

C

R

AL1

24Vdc

EH1

EH2

P6

R

C

Off     On

JW3

A

OVR

ESD

C

R

NSB

AL2

JW1

Acc1

Relay

Acc2

Relay

H

COM1

NC1

NO1

COM2

NC2

NO2

P3

CO

RV

RV

LT1

LT1

LT2

LT2

LP

LP

HP

HP

P7

Status

Fault

R

R

CC

CCG

CO

S1

S2

1

12

1

4

es

yr

ot

ca

F

(240Vac)

Com

N.O.

Fan Enable

5 1/2"

7"

6 1/2"

5"

Use 4 mounting screws 

#6 sheet metal screw 1” long

Factory low

voltage mole

connection for

unit harness

Factory low

voltage molex

connection for

electric heat

harness

Micro

U1

Off     On

P2

COH

COM

AO2

AO1

P11

Gnd

Gnd

T1

P10

T2 T2 T3 T3 T4 T4

T5

P9

T5 T6 T6

A0-1 A0-2

Off     On

S3

RV

Relay

CCH

Relay

Test

P5

B-

Gnd

P4

A+ 24V

(240Vac)

Fan Speed

N.O.

N.C.

12V

OUT

Gnd

P8

IN

NC

P12

1

Note: There is only

one T1 connection

1  2  3  4

1  2  3  4  5  6  7  8

1  2  3  4  5  6  7  8

Service tool

connection

Communicating

stat connection

Conventional

stat connection

Cabinet 

temperature 

sensor

(with variable 

speed pump)

24V to compressor 

second-stage solenoid

for Y2/full

load capacity

Use 4 mounting screws 
#6 sheet metal screw 
1” long

Configure 

modulating valve 

or variable

speed pump

V

ariable 

speed pump

VFD

 or 
PWM 

blower

Entering 

water temp

Leaving 

water temp

Leaving

air temp

Electric heat
connection

Factory low 

voltage Molex 

connection for 

unit harness

Entering Hot Water 

Temperature

Compressor Discharge 

temperature

ECM Motor 

Connection

Test Button 

to Speed up 

Time Delays

Communications

and HWG

Settings

Water Coil

Low Temp

Limit Setting.

JW3-LT1 jumper

should be clipped

for low temp

(antifreeze) 

operation

Accessory

relays refer

to DXM2 AOM

for configuration

DXM2 Layout and Connections

Summary of Contents for Tranquility 22 TZ Series

Page 1: ...ring 28 Electrical Low Voltage Wiring for non vFlow Units Using External Motorized Water Valve 29 Electrical Thermostat Wiring 30 Blower Performance Data 31 ECM Blower Control 32 TZ Series Wiring Diag...

Page 2: ...Tranquility 22 TZ Series Rev Au gu st 4 2021 ClimateMaster Water Source Heat Pumps 2 C LI MATE MASTER WATER SOURCE HEAT PUMPS This Page Intentionally Left Blank...

Page 3: ...eel Drain Pan T Right Return Stainless Steel Drain Pan M DXM2 w LON K DXM2 w LON P DXM2 w MPC w DISCONNECT S DXM2 w MPC OPTION 1 A J K 2 C L M 3 E N P 1 FILTER RACK RANGE ULTRA QUIET 2 FILTER RACK 1 F...

Page 4: ...y damage NOTICE Notification of installation operation or maintenance information which is important but which is not hazard related Inspection Upon receipt of the equipment carefully check the shipme...

Page 5: ...and Maintenance instructions are provided with each unit Horizontal equipment is designed for installation above false ceiling or in a ceiling plenum Other unit configurations are typically installed...

Page 6: ...l Dimensions h x w in 20 X 17 25 20 X 17 25 24 X 21 75 24 X 21 75 28 75 X 24 28 75 X 24 Standard Filter 1 25 4mm Throwaway qty in 20x20 20x20 24x24 24x24 28x28 28x28 Weight Operating lbs 216 224 249 2...

Page 7: ...sation such as unconditioned spaces subject to 100 outside air Consideration should be given to access for easy removal of the filter and access panels Provide sufficient room to make water electrical...

Page 8: ...Return Right View Air Coil Opening Air Coil C B R Q Front L N O M Left Return Straight Discharge Front BSP LEFT RETURN RIGHT RETURN Air Coil CSP Front Left Return Left View Filter Rails Removed See Af...

Page 9: ...mechanical room with free return e g louvered door Therefore filter rails are the industry standard and are included on ClimateMaster commercial heat pumps for the purposes of holding the filter only...

Page 10: ...anel 2 Lift out the access panel and set aside Lift and rotate the discharge panel to the other position as shown being careful with the blower wiring 3 Check blower wire routing and connections for t...

Page 11: ...FLOW CAUTION Duct System Installation Proper duct sizing and design is critical to the performance of the unit The duct system should be designed to allow adequate and even airflow through the unit d...

Page 12: ...hanical room closet Vertical units are typically installed in a mechanical room or closet Never install units in areas subject to freezing or where humidity levels could cause cabinet condensation suc...

Page 13: ...d pitched away from the unit to allow for proper drainage This connection must meet all local plumbing building codes Install condensate trap at each unit with the top of the trap positioned below the...

Page 14: ...conditions Insulation is required if loop water temperature drops below the dew point insulation is required for ground loop applications in most climates Pipe joint compound is not necessary when Tef...

Page 15: ...differential type of loops This valve is a factory installed option for the TZ unit and when selected replaces the modulating valve 3 Standard Head Variable Pump Typical for Multiple Unit Central Pump...

Page 16: ...1 27 2 94 4 7 200 7 9 2 83 6 53 4 7 200 10 5 4 99 11 53 048 4 7 200 6 0 1 63 3 76 4 7 200 9 0 3 67 8 47 4 7 200 12 0 6 52 15 06 060 7 4 200 7 0 89 2 06 7 4 200 10 5 2 01 4 64 7 4 200 14 0 3 58 8 26 Mo...

Page 17: ...Tranquility 22 TZ Series Rev A u g u st 4 2021 TH E SMART SOLUTION FOR ENERGY EFFICI E N CY High Head Variable Pump Performance 0 5 10 15 20 25 30 35 40 45 0 5 10 15 20 25 Head ft Flow gpm No Check Va...

Page 18: ...flushed to remove dirt piping chips and other foreign material prior to operation see Piping System Cleaning and Flushing Procedures in this manual The flow rate is usually set between 2 25 and 3 5 g...

Page 19: ...nd glycols are commonly used as antifreeze however your local sales office should be consulted to determine the antifreeze best suited to your area Freeze protection should be maintained to 15 F 9 C b...

Page 20: ...High and Low Voltage Knockouts Vibration Isolation Pad To Thermostat Internal Motorized Modulating Valve Water Out Shut Off Ball Valves for Isolation Water In Pressure Tank Optional Filter Boiler Drai...

Page 21: ...dards Table 3 should be consulted for water quality requirements Scaling potential should be assessed using the pH Calcium hardness method If the pH 7 5 and the calcium hardness is less than 100 ppm s...

Page 22: ...second method of flow control requires a flow control device mounted on the outlet of the water control valve The device is typically a brass fitting with an orifice of rubber or plastic material that...

Page 23: ...ture Chloride Levels 10 C 24 C 38 C Copper Cupronickel 20ppm NR NR 150 ppm NR NR 304 SS 400 ppm 250 ppm 150 ppm 316 SS 1000 ppm 550 ppm 375 ppm Titanium 1000 ppm 550 ppm 375 ppm Erosion and Clogging P...

Page 24: ...on and sound transmission to the building General Line Voltage Wiring Be sure the available power is the same voltage and phase shown on the unit serial plate Line and low voltage wiring must be done...

Page 25: ...EUTRAL CONNECTION REQUIRED All F Voltage 460 vac units require a four wire power supply with neutral ECM motor and optional circulating pumps are rated 265 vac and are wired between one hot leg and ne...

Page 26: ...0 3 197 252 16 5 110 1 1 44 6 9 24 8 29 0 45 Wire length based on one way measurement with 2 voltage drop Wire size based on 60 C copper conductor All fuses Class RK 5 Units with Standard Head Variabl...

Page 27: ...r correct fuse size 460 volt units require a neutral wire Transformer All 208 230 voltage units are factory wired for 208 volt If supply voltage is 230 volt installer must rewire transformer See wire...

Page 28: ...s shown in the tables below Accessory Relay 2 Configuration Accessory Relay 1 Configuration DIP 2 1 DIP 2 2 DIP 2 3 ACC1 Relay Option ON ON ON Cycle with fan OFF ON ON N A for Residential Applications...

Page 29: ...ter Valve Figure 14 AVM Valve Wiring Figure 15 Taco SBV Valve Wiring From Water Source IN OUT NOTE Shut off valves strainers and other required components not shown Solenoid Valve Flow Regulator To Di...

Page 30: ...ECM automatic dehumidi cation mode operates with dehumidi cation air ows in the cooling mode when the dehumidi cation output from thermostat is active Normal heating and cooling air ows are not affect...

Page 31: ...525 750 525 750 525 375 750 036 0 6 1 2 Default 1125 750 975 650 1125 750 525 1125 Maximum 1250 950 1200 800 1250 1250 1250 1250 Minimum 900 600 900 600 900 600 450 900 042 0 6 3 4 Default 1300 925 1...

Page 32: ...ond Stage Cooling in Dehumidification Mode Y1 Y2 O Dehumid First Stage Heating Y1 Second Stage Heating Y1 Y2 Third Stage Auxiliary Heating Y1 Y2 W Emergency Heating W with no Y1 or Y2 Fan G with no Y1...

Page 33: ...am Matrix All current diagrams can be located online at climatemaster com commercial literature wiring diagrams Unit Controller Fan Motor 208v 1 265v 1 208v 3 460v 3 TZ024 060 TZ024 060 TZ024 060 DXM2...

Page 34: ...d Pump DIP Switches Note In the following field configuration options DIP switches should only be changed when power is removed from the DXM2 control DIP Package 1 S1 DIP Package 1 has 8 switches and...

Page 35: ...n off during cooling stage 2 IF the H input is active In high fan mode the fan enable and fan speed relays will turn on when the H input is active On Auto dehumidification mode default Off High fan mo...

Page 36: ...ult LED and Status Operation with Test Mode Active Fault LED Red Status LED Green Alarm Relay No Fault Since Power Up In Memory Flashing Code 1 Cycling Code 1 High Pressure Fault In Memory Flashing Co...

Page 37: ...ac Fan Speed N O N C 12V OUT Gnd P8 IN NC P12 1 Note There is only one T1 connection 1 2 3 4 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 Service tool connection Communicating stat connection Conventional stat con...

Page 38: ...nti short cycle delay at power up The first time after power up that there is a call for compressor the compressor will follow a 5 to 80 second random start delay After the random start delay and anti...

Page 39: ...70 158 0 1 75 1 33 8 31 03 71 159 8 1 69 2 35 6 29 50 72 161 6 1 64 3 37 4 28 05 73 163 4 1 58 4 39 2 26 69 74 165 2 1 53 5 41 0 25 39 75 167 0 1 48 6 42 8 24 17 76 168 8 1 43 7 44 6 23 02 77 170 6 1...

Page 40: ...omplies with AHRI Standard 110 Table 8 Operating Limits Operating Limits TZ Cooling Heating Air Limits Min ambient air DB 45 F 7 C 39 F 4 C Rated ambient air DB 80 6 F 27 C 68 F 20 C Max ambient air D...

Page 41: ...he solution for a minimum of 8 to 24 hours At the end of this period shut off the circulating pump and drain the solution Repeat system cleaning if desired 8 When the cleaning process is complete remo...

Page 42: ...and fittings see table 3 System flushing Verify that all hoses are connected end to end when flushing to ensure that debris bypasses the unit heat exchanger water valves and other components Water us...

Page 43: ...paring the pressure drop across the heat exchanger to table 10 In S I units the formula is as follows HR kW TD x l s x 4 18 f Check air temperature drop across the air coil when compressor is operatin...

Page 44: ...me areas of the electrical panel Exercise caution when working with energized equipment CAUTION Verify that ALL water control valves are open and allow water flow prior to engaging the compressor Free...

Page 45: ...8 98 96 106 105 115 353 373 361 381 370 390 9 14 10 15 10 15 14 19 14 19 14 19 13 2 15 2 9 0 11 0 4 8 6 8 24 29 25 30 26 31 70 1 5 2 25 3 128 138 124 134 119 129 310 330 290 310 270 290 10 15 10 15 11...

Page 46: ...333 317 337 7 12 7 12 8 13 10 15 10 15 10 15 8 4 10 4 6 0 8 0 3 6 5 6 19 24 20 25 20 25 50 1 5 2 25 3 120 130 120 130 118 128 225 245 222 242 220 240 9 14 9 14 9 14 13 18 10 15 9 14 21 8 23 8 14 7 16...

Page 47: ...Units should never be operated without a filter Washable high efficiency electrostatic filters when dirty can exhibit a very high pressure drop for the fan motor and reduce air flow resulting in poor...

Page 48: ...Inputs All sensor inputs are paired wires connecting each component to the board Therefore continuity on pressure switches for example can be checked at the board connector The thermistor resistance...

Page 49: ...ssed from the Installer menu For more detailed information on the advanced diagnostics of the DXM2 see the DXM2 Application Operation and Maintenance AOM manual part 97B0003N15 DXM2 Troubleshooting Pr...

Page 50: ...uns Start Did Unit Attempt to Start Did Unit Lockout at Start up Unit Short Cycles Only Fan Runs Only Compressor Runs Did unit lockout after a period of operation Does unit operate in cooling Unit is...

Page 51: ...X X Bad thermistor Check temp and impedance correlation per chart LT2 Fault Code 5 Air coil low temperature limit X Reduced or no air flow in cooling Check for dirty air filter and clean or replace C...

Page 52: ...vs blower table Air temperature out of range Too much cold vent air bring entering air temp within design parameters Bad thermistor Check temp and impedance correlation per chart ESD ERV Fault DXM On...

Page 53: ...moisture X Air temperature out of range in heating Bring return air temp within design parameters X Scaling in water heat exchanger Perform Scaling check and clean if necessary X X Unit over charged C...

Page 54: ...of external static check static vs blower table X X Leaky duct work Check supply and return air temperatures at the unit and at distant duct registers if significantly different duct leaks are presen...

Page 55: ...Settings ECM Temperatures F or C Antifreeze Pressures PSIG or kPa Type Cooling Mode Heating Mode Entering Fluid Temperature Leaving Fluid Temperature Temperature Differential Return Air Temperature DB...

Page 56: ...S COAX COMPRESSOR DISCHARGE SUCTION HWG HEATING CYCLE ANALYSIS PSI SAT PSI SAT F F AIR COIL F F FP2 HEATING LIQUID LINE F EXPANSION VALVE AIR COIL F F PSI SAT PSI SAT F F F F WATER IN WATER OUT PSI PS...

Page 57: ...suf cient or incorrect system design or the improper application of CM s products CM is not responsible for 1 The costs of any uids refrigerant or other system components or associated labor to repair...

Page 58: ...s damage or insuf cient performance as a result of insuf cient or incorrect system design or the improper application installation or use of CM s products or 14 Electricity or fuel costs or any increa...

Page 59: ...climatemaster com 59 Tranquility 22 TZ Series Rev A u g u st 4 2021 TH E SMART SOLUTION FOR ENERGY EFFICI E N CY Notes...

Page 60: ...tory Date Item Action 08 04 21 Page 8 Added Horizontal Dimensional Data 07 08 21 All Updated to include polymer drain pan 12 11 19 All Misc Table and Figure updates 12 02 19 Pages 3 15 16 Updated for...

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