Carrier AQUAZONE 50KQL07-19 Product Data Download Page 30

30

Typical wiring schematics (cont)

AL

Alarm Relay Contacts

BR

Blower Relay

CAP

Capacitor

CB

Circuit Breaker

CO

Sensor, Condensate Overflow

CR

Compressor Relay

DM

Damper Motor

FP1

Sensor, Water Coil Freeze Protection

FP2

Sensor, Air Coil Freeze Protection

FSS

Fan Speed Switch

HP

High-Pressure Switch

JW1

Jumper Wire for Alarm

LOC

Loss of Charge Pressure Switch

NLL

Night Low Limit

PB

Power Terminal Block

PBS

Push Button Switch

PM

Performance Monitor

RVS

Reversing Valve Solenoid

TRANS —

Transformer

WV

Water Valve

----------

Field Line Voltage Wiring
Field Low-Voltage Wiring

REMOTE-MOUNTED THERMOSTAT WITH DELUXE D CONTROLLER

Printed Circuit Trace

Relay/Contactor Coil

Solenoid Coil

Thermistor

Circuit Breaker

Relay Contacts-N.O.

Switch-High Pressure

Switch-Low Pressure

Ground

Wire Nut

Mate-N-Lock

>>

CLOSED=UNOCCUPIED

Y

G

DELUXE

D

CONTROL

BR 1

(LO)

CR

CAP

PB

GROUND

LUG

TRANSFORMER

BR 2

(HI)

COMPR.
RELAY

CCG

YEL

HP

LOC

FP1

FP2

RV

CO12

P7

24V
DC

EH1
EH2

P6

HP

LOC

FP1

FP2

RVS

CO

SEE
NOTE
4

RED
RED
BLU
BRN
GRY
GRY
VIO
VIO
BRN
ORG
NOT USED

1
2
3
4
5
6
7
8
9

10

CC

BRN

YEL

CR

1

0

STATUS

DELUXE D

MICROPROCESSOR

CONTROL LOGIC

TEST

FAULT R

RV

RELAY

TEST

PINS

JW3
FP1 LOW
JW2
FP2 LOW

SEE
NOTE 4

JW1
LP N.O.

COM

NO

NO

NC

COM

FAN

SPEED

RELAY

FAN ENABLE

RELAY

GRY

Y1

Y1

W1

O/W2

G

R
C

AL1

COMPRESSOR

COOLING

FAN

24 VAC

COMMON

ALARM

CLASS 1 WIRING
REQUIRED INSIDE

Y

O

G

R

C

X1

CLASS 1 OR 2 WIRING
ACCEPTABLE
OUTSIDE
CONTROL BOX

TYPICAL HEAT

PUMP T-STAT

SEE NOTE 5

BRN

SEE

NOTE 7

AL2

R

NSB

C

ESD

OVR

H
A

R

NO1

NC1

COM

NO2
NC2

COM

R

P1

P2

P3

RED

BRN

WHT

YEL

RED

YEL

YEL

YEL

BRN

BRN

ORG

DM

OV

OV

OVERRIDE
OVERRIDE

OVERRIDE

WITH DIGITAL T-STAT

TIME CLOCK

NLL

WV

ALARM

RELAY

SEE

NOTE 6

C

R

JW4

AL2 DRY

COM2 COM1

R C S

S

C

1
2
3
4
5
6
7
8

ACC1

RELAY

ACC2

RELAY

BLU

S1

DIP SWITCH

PACKAGE

PM: DISABLE/
ENABLE
UNIT STAGE: 2/1
T-STAT: HEAT COOL/
HEAT PUMP
RV ON B/RV ON O
DEHUMID/NORMAL
NOT USED
BOILERLESS:
ENABLE/DISABLE
BOILERLESS:
40

°

F/50

°

F

1

2
3

4
5
6
7

8

OFF ON

S2

DIP SWITCH

PACKAGE

ACC1
FUNCTIONS

ACC2
FUNCTIONS
H: HI FAN/DEHUMID
NOT USED

1
2
3
4
5
6
7
8

OFF ON

BLK

ORG
230V

24V

TRANS

CB*

POWER SUPPLY

REFER TO DATA PLATE

USE COPPER CONDUCTORS ONLY.

SEE NOTE 2

REFER TO DISCONNECT

BOX FOR OPTIONAL

POWER SUPPLY CONNECTION

GROUND

L2

L1

OPTIONAL
CORD
CONNECTION

RED

NEUTRAL ON 265V
SYSTEMS

L2 (ribbed)

GROUND

L1 (plain)

PB
1

2

H

C

F

CAP

RED

RED

6

8

2

4

BLK

BLK

R

S

C

CR

BLU

COMPRESSOR

BRN

YEL

2

1

BM

B (HIGH)

A (LOW)

RED

BLK

115
208
230
265

WHT
RED
ORG
BRN

LEAD COLOR

VOLTAGE

TRANSFORMER PRIMARY

LEAD COLORS

YEL

SEE
NOTE 3

1

3

2

FSS

GRY

LEGEND

BLOWER MOTOR WIRING

UNIT SIZE POLE A POLE B

07

5

3

09

5

4

12

4

3

15

4

3

19

4

3

*Optional wiring.

NOTES:

1. Compressor and blower motor thermally protected

internally.

2. All wiring to the unit must comply with local codes.
3. Transformer is wired to 115-V (WHT) lead for 115/1/60

units, 265-V (BRN) lead for 265/1/60 units or 208-V
(RED) lead for 208/1/60 units.
For 203/1/60 switch RED and ORG leads at L1 and
insulate RED lead.
Transformer is energy limiting or may have circuit
breaker.

4. FP1 thermistor provides freeze protection for WATER.

When using ANTI-FREEZE solutions, cut JW3 jumper.

5. Typical heat pump thermostat wiring shown. Refer to

thermostat Installation Instructions for wiring to the
unit.

6. 24-V alarm signal shown. For dry alarm contact, cut

AL2 DRY (JW4) jumper and dry contact will be avail-
able between AL1 and AL2.

7. Transformer secondary ground via Deluxe D board

standoffs and screws to control box. (Ground available
from top two standoffs as shown.)

Summary of Contents for AQUAZONE 50KQL07-19

Page 1: ...ory mounted flow regulators and control valves for easy installation Flexible and reliable controls accommodate all systems Features Benefits Carrier s Aquazone console water source heat pumps are a flexible attractive alternative for all finished interior space under window style installations Operating efficiency Carrier Aquazone water source heat pump WSHP units are designed for quality and per...

Page 2: ...onnection to the field installed condensate line Compact cabinet design dimen sions are 12 in deep 48 in wide and 24 in tall with 3 in subbase For flex ibility the controls can be mounted on the top right or left side Additionally the sloped top design discourages the use of the unit as a shelf or coffee hold er preventing air blockage and any spills from damaging the unit No fuss maintenance and ...

Page 3: ...es of emergency electric heat Service test mode with diagnostic LED light emitting diode Test mode allows service personnel to check the operation of the WSHP and control system efficiently Upon enter ing Test mode time delays speed up and the Status LED flashes a code indicating the last fault This mode provides easy fault diagnosis based on the fault code the status LED flashes Carrier provided ...

Page 4: ... N 7 NO CABINET 5 in Subbase with Motorized Damper P 8 NO CABINET NO BASE Q 9 NO CABINET 5 in Subbase R 0 Bottom return 5 in Subbase S O Bottom return 5 in Subbase Locking control door Water Supply Orientation R Right Hand L Left Hand Water Circuit Options Connection Type Valve Option A Sweat 2 Way Water Control Valve B Sweat Autoflow Regulator 2 25 gpm ton C Sweat Autoflow Regulator 3 0 gpm ton D...

Page 5: ...y MBtuh THR Total Heat of Rejection MBtuh SC Sensible Capacity MBtuh wb Wet Bulb Temperature BASE UNIT 50KQL 07 09 12 15 19 NOMINAL COOLING CAPACITY Btuh 7 800 9 300 12 300 13 800 16 000 COMPRESSOR Rotary BLOWER Motor Horsepower Wheel Size D x W in 2 each 1 20 51 4 x 61 4 1 15 51 4 x 61 4 1 15 51 4 x 61 4 1 6 51 4 x 61 4 1 6 51 4 x 61 4 FILTER SIZE in Bottom Return 8 x 291 2 x 3 8 8 x 291 2 x 3 8 ...

Page 6: ... Night setback from low temperature thermostat with 2 hour override is initiated by a momentary signal from the thermostat Compressor relay staging Used with dual stage units units with 2 compressors and 2 Deluxe D controls or in master slave applications Boilerless electric heat control system Allows automatic changeover to electric heat at low loop water temperature Intelligent reversing valve o...

Page 7: ... 18 zones of WSHP units Panel can be ordered to control variable frequency cool ing tower fan operation System pumping operation can be configured for start stop lead lag or variable frequency pump operation Direct Digital Control compatible using the Carrier Comfort Network CCN and WSHP units utilizing PremierLink CCN controllers Fire rated hoses are 2 ft long and have a fixed MPT on one end and ...

Page 8: ...TO R 5 DAY PROGRAMMABLE NON PROGRAMMABLE AUTO Pm COOL HEAT Carrier CARRIER AQUAZONE THERMOSTATS FOR USE WITH REMOTE THERMOSTAT UNITS 7 DAY PROGRAMMABLE LIGHT ACTIVATED PROGRAMMABLE 7 DAY PROGRAMMABLE FLUSH MOUNT PREMIERLINK COMMUNICATING CONTROL ...

Page 9: ...9 0 75 19 R H Pipe Electric Area 1 25 1 25 4 5 114 508 305 254 BOTTOM VIEW 5 127 406 FRONT VIEW Control Access Door AIR INLET AREA 48 0 1219 851 1 75 44 5 1219 1 9 48 SIDE VIEW REAR ACCESS Filter located inside and at top of air inlet area Push tabs back and down to release filter for replacement 33 5 16 30 23 9 12 0 48 0 10 0 20 Dimension shown is with 3 in subbase Add 2 in to dimension shown for...

Page 10: ... VIEW Filter located inside and at top of air inlet area Push tabs back and down to release filter for replacement 33 5 851 48 0 48 0 12 0 23 9 30 Notes 1 Dimensions shown are in inches Dimensions in parentheses are in millimeters Shown 76mm subbase Add 50 8mm to dimension shown for 127mm subbase 2 Optional autoflow valve motorized water valve and disconnect box are shown Dimension shown is with 3...

Page 11: ...EAR ACCESS 1 25 1 25 4 5 114 508 305 5 127 406 FRONT VIEW Control Access Door 1219 1110 7 9 201 533 R H Pipe Electric Area 1219 305 BOTTOM VIEW 48 0 1219 SIDE VIEW Air Inlet Filter located behind return air grille and requires removal of cabinet front for access 21 0 48 0 43 7 12 0 16 30 21 0 48 0 12 0 20 0 NOTES 1 All dimensions are shown in inches Dimensions in parentheses are in millimeters 2 O...

Page 12: ...ge Air REAR ACCESS 114 305 1 5 38 1 12 6 320 FRONT VIEW Control Access Door 1219 1110 7 9 201 12 0 305 BOTTOM VIEW 48 0 1219 4 5 1 25 1 25 508 L H Pipe Electric Area SIDE VIEW Air Inlet Filter located behind return air grille and requires removal of cabinet front for access 20 0 1219 48 0 533 21 0 48 0 43 7 21 0 12 0 NOTES 1 All dimensions are shown in inches Dimensions in parentheses are in milli...

Page 13: ...9 30 0 87 22 3 01 76 5 36 136 Condensate 5 8 15 9 mm ID Vinyl Hose 7 5 191 3 42 87 3 56 90 0 75 19 Optional Disconnect Box mounted to cabinet not chassis Optional Motorized Water Valve Optional Autoflow Valve Water Connections 5 8 15 9 mm OD Copper 1 2 FPT or 1 2 MPT ID Vinyl Hose Power Supply Water Out Water In Blower Deck Blower Access Panel Compressor Access Panel Control Box 7 5 191 0 87 22 0 ...

Page 14: ...le factors of dry bulb and wet bulb using the Corrections Factor tables found in this book Using the following formulas to determine the cor rection factors of dry bulb and wet bulb a Corrected Total Cooling tabulated total cooling x wet bulb correction x airflow correction b Corrected Sensible Cooling tabulated sensible cooling x wet dry bulb correction x airflow correction V Determine entering a...

Page 15: ... Capacity in Btuh 3 412 Power Input in watts fan power correction in watts pump power correction in watts Watts Watts NOTE Do not divide ISO Heating Capacity by 3 412 to obtain Btuh Watts b Identify the design conditions corrected for air and water conditions Airflow Cfm 308 Cfm Water Flow Based upon 10 F rise in temp 3 1 GPM External Static Pressure 0 0 in wg non ducted application Water Pressure...

Page 16: ...2 1 2 5 9 7 6 9 0 71 0 36 10 9 7 4 0 55 5 6 50 1 0 0 9 1 0 9 0 6 7 0 74 0 46 10 6 7 8 0 56 5 9 1 4 1 4 1 6 9 3 6 8 0 73 0 42 10 8 8 2 0 57 6 3 1 9 2 0 2 5 9 5 6 8 0 72 0 40 10 8 8 4 0 57 6 5 60 1 0 0 8 0 9 8 6 6 5 0 76 0 52 10 4 8 7 0 58 6 7 1 4 1 3 1 5 8 9 6 6 0 74 0 48 10 5 9 2 0 59 7 2 1 9 1 9 2 4 9 1 6 7 0 74 0 46 10 6 9 4 0 60 7 4 70 1 0 0 7 0 9 8 1 6 3 0 78 0 58 10 1 9 6 0 61 7 6 1 4 1 2 1 4...

Page 17: ... 7 11 3 7 6 0 67 0 47 13 0 8 6 0 71 6 2 50 1 3 1 3 1 5 10 6 7 2 0 68 0 60 12 6 9 1 0 72 6 6 1 9 2 5 2 9 10 8 7 3 0 68 0 56 12 7 9 4 0 73 6 9 2 5 3 9 4 6 10 9 7 4 0 67 0 53 12 8 9 7 0 74 7 1 60 1 3 1 2 1 4 10 2 7 1 0 69 0 67 12 5 10 1 0 75 7 6 1 9 2 4 2 8 10 4 7 2 0 69 0 62 12 6 10 6 0 77 8 0 2 5 3 7 4 4 10 6 7 2 0 68 0 60 12 6 10 9 0 77 8 2 70 1 3 1 2 1 3 9 8 6 9 0 71 0 75 12 4 11 3 0 79 8 6 1 9 2...

Page 18: ...1 2 0 88 8 3 50 1 6 1 6 6 5 14 0 9 5 0 68 0 76 16 6 11 8 0 89 8 8 2 3 2 9 11 4 14 3 9 6 0 67 0 70 16 7 12 3 0 91 9 2 3 1 4 5 19 6 14 5 9 6 0 67 0 67 16 7 12 6 0 92 9 5 60 1 6 1 5 6 5 13 5 9 3 0 69 0 86 16 4 13 1 0 93 9 9 2 3 2 7 11 4 13 8 9 4 0 68 0 79 16 5 13 6 0 94 10 4 3 1 4 3 19 6 14 0 9 5 0 68 0 76 16 6 13 9 0 95 10 7 70 1 6 1 4 6 5 12 9 9 1 0 71 0 97 16 2 14 3 0 96 11 0 2 3 2 6 11 4 13 3 9 2...

Page 19: ...0 67 18 8 12 3 1 01 8 9 50 1 8 1 2 1 6 15 8 11 0 0 70 0 85 18 7 13 1 1 03 9 6 2 7 2 2 3 1 16 2 11 1 0 69 0 78 18 8 13 7 1 05 10 1 3 6 3 5 5 0 16 3 11 1 0 68 0 75 18 9 14 0 1 05 10 4 60 1 8 1 2 1 6 15 2 10 8 0 71 0 94 18 4 14 7 1 07 11 1 2 7 2 1 3 0 15 6 10 9 0 70 0 87 18 6 15 4 1 09 11 7 3 6 3 4 4 9 15 8 11 0 0 69 0 84 18 7 15 8 1 09 12 1 70 1 8 1 1 1 5 14 3 10 5 0 73 1 04 17 9 16 4 1 10 12 6 2 7 ...

Page 20: ...1 17 10 6 50 2 4 2 0 2 6 18 7 12 5 0 67 1 00 22 1 15 5 1 21 11 4 3 6 3 7 5 2 19 2 12 7 0 66 0 94 22 4 16 0 1 23 11 9 4 8 6 0 8 8 19 4 12 8 0 66 0 91 22 5 16 3 1 24 12 1 60 2 4 1 9 2 5 18 0 12 1 0 67 1 11 21 8 17 2 1 27 12 8 3 6 3 5 5 1 18 5 12 4 0 67 1 04 22 0 17 8 1 30 13 4 4 8 5 8 8 5 18 7 12 5 0 67 1 01 22 1 18 1 1 31 13 6 70 2 4 1 8 2 4 17 2 11 8 0 68 1 23 21 4 18 8 1 34 14 2 3 6 3 3 4 9 17 7 ...

Page 21: ...36 1 059 1 231 0 995 0 985 70 1 000 1 000 1 000 67 1 000 0 613 0 806 1 000 1 027 1 199 1 000 1 000 75 0 996 1 007 0 995 70 1 049 0 683 0 879 0 902 1 077 1 274 1 415 1 016 1 046 80 0 991 1 018 0 990 75 1 118 0 676 0 698 0 866 1 068 1 266 1 037 1 106 OF NOMINAL AIRFLOW COOLING CORRECTIONS HEATING CORRECTIONS TC SC Input Power THR TC Input Power THA 75 0 951 0 860 0 963 0 952 0 990 1 054 0 966 81 0 9...

Page 22: ...his application ground water is pumped through supply piping from the well to the build ing The water is then pumped back into the ground through a discharge well as it leaves the building An addi tional heat exchanger is usually installed between the build ing water piping system and the ground water piping sys tem This design limits piping and excavation Aquazone units include a standard TXV and...

Page 23: ...r quickly oxidize when exposed to air requiring that no agita tion occur as the sample is taken Unless tested immediately at the site the sample will require stabilization with a few drops of one Molar zinc acetate solu tion allowing accurate sulfide determination up to 24 hours after sampling A low pH and high alkalinity cause system problems even when both values are within ranges shown The term...

Page 24: ...s into the water Use design care when selecting both the type and concentrations of glycol due to the following Equipment and performance may suffer with high con centrations of glycol and other antifreeze solutions Loss of piping pressure may increase greatly resulting in higher pumping costs Higher mixture viscosity may cause excess corrosion and wear on the entire system The water s acidity may...

Page 25: ...X O O HIGH FAN X O X X X O O X X BLOWER MOTOR WIRING UNIT SIZE POLE A POLE B 07 5 3 09 5 4 12 4 3 15 4 3 19 4 3 Optional wiring NOTES 1 Compressor and blower motor thermally pro tected internally 2 All wiring to the unit must comply with local codes 3 Transformer is wired to 115 V WHT lead for 115 1 60 units 265 V BRN lead for 265 1 60 units or 208 V RED lead for 208 1 60 units For 203 1 60 switch...

Page 26: ...ITCH ATTRIBUTES X CLOSED O OPEN TERMINALS 1 2 3 4 5 6 7 8 1A 1B 2A 3A 4A 5A 6A 7A 8A STOP X O O O O O O O O FAN ONLY X O O O O X O O O LOW COOL O X X O O O X O O HIGH COOL O X X O O O O X O LOW HEAT X O O X X O X O O HIGH HEAT X O O X X O O X X BLOWER MOTOR WIRING UNIT SIZE POLE A POLE B 07 5 3 09 5 4 12 4 3 15 4 3 19 4 3 AL Alarm Relay Contacts BM Blower Motor BR Blower Relay CAP Capacitor CB Cir...

Page 27: ...X X BLOWER MOTOR WIRING UNIT SIZE POLE A POLE B 07 5 3 09 5 4 12 4 3 15 4 3 19 4 3 AL Alarm Relay Contacts BM Blower Motor BR Blower Relay CAP Capacitor CB Circuit Breaker CO Sensor Condensate Overflow CR Compressor Relay DM Damper Motor FP1 Sensor Water Coil Freeze Protection FP2 Sensor Air Coil Freeze Protection HP High Pressure Switch JW1 Jumper Wire for Alarm LOC Loss of Charge Pressure Switch...

Page 28: ...ORS BLU PUSH BUTTON SWITCH ATTRIBUTES X CLOSED O OPEN TERMINALS 1 2 3 4 5 6 7 8 1A 1B 2A 3A 4A 5A 6A 7A 8A STOP X O O O O O O O O FAN ONLY X O O O O X O O O LOW FAN X O O X X O X O O HIGH FAN X O O X X O O X X BLOWER MOTOR WIRING UNIT SIZE POLE A POLE B 07 5 3 09 5 4 12 4 3 15 4 3 19 4 3 AL Alarm Relay Contacts BM Blower Motor BR Blower Relay CAP Capacitor CB Circuit Breaker CO Sensor Condensate O...

Page 29: ... 12 4 3 15 4 3 19 4 3 AL Alarm Relay Contacts BM Blower Motor BR Blower Relay CAP Capacitor CB Circuit Breaker CO Sensor Condensate Overflow CR Compressor Relay DM Damper Motor FP1 Sensor Water Coil Freeze Protection FP2 Sensor Air Coil Freeze Protection FSS Fan Speed Switch HP High Pressure Switch JW1 Jumper Wire for Alarm LOC Loss of Charge Pressure Switch PB Power Terminal Block PBS Push Button...

Page 30: ... NLL WV ALARM RELAY SEE NOTE 6 C R JW4 AL2 DRY COM2 COM1 R C S S C 1 2 3 4 5 6 7 8 ACC1 RELAY ACC2 RELAY BLU S1 DIP SWITCH PACKAGE PM DISABLE ENABLE UNIT STAGE 2 1 T STAT HEAT COOL HEAT PUMP RV ON B RV ON O DEHUMID NORMAL NOT USED BOILERLESS ENABLE DISABLE BOILERLESS 40 F 50 F 1 2 3 4 5 6 7 8 OFF ON S2 DIP SWITCH PACKAGE ACC1 FUNCTIONS ACC2 FUNCTIONS H HI FAN DEHUMID NOT USED 1 2 3 4 5 6 7 8 OFF O...

Page 31: ... S A T L W T PREMIERLINK CONTROLLER APPLICATIONS WITH COMPLETE C CONTROL LEGEND NOTE Reversing valve is on in Cooling mode CR Control Relay LWT Leaving Water Temperature Sensor SAT Supply Air Temperature Sensor SPT Space Temperature Sensor PREMIERLINK CONTROLLER APPLICATIONS WITH DELUXE D CONTROL LEGEND NOTE Reversing valve is on in Cooling mode LWT Leaving Water Temperature Sensor SAT Supply Air ...

Page 32: ...01 76 5 36 136 0 75 19 4 46 113 1 84 47 3 28 83 Condensate 5 8 15 9 mm ID Vinyl Hose Optional Disconnect Box mounted to cabinet not chassis Optional Motorized Water Valve Optional Autoflow Valve Water Connections 5 8 15 9 mm OD Copper 1 2 FPT or 1 2 MPT 3 56 90 30 Power Supply Blower Deck Blower Access Panel 3 50 89 1 93 49 4 49 114 0 75 19 3 88 99 11 54 3 22 82 1 94 49 16 66 423 7 06 179 30 0 87 ...

Page 33: ...The cabinet shall be powder painted 5 Optional mute package shall consist of addi tional sound attenuating materials strategically applied to the compressor compartment and substitution of 1 2 in noise dampening insula tion for all surfaces that normally have 1 4 in insulation C Fan and Motor Assembly The fan motors shall be multi speed permanently lubricated PSC permanent split capacitor type wit...

Page 34: ...er valve with compressor contactor r The control box components shall be easily accessible with a swing out control compartment s Standard unit mounted MCO manual changeover thermostat operating controls shall consist of temperature setting dial knob push button switches for Stop Fan only Hi Cool Lo Cool Hi Heat Lo Heat Unit mounted thermostats shall have a remote sensor for sensing the return air...

Page 35: ...cal operation WILL NOT be accepted 2 Units shall be nameplated for use with time delay fuses or HACR circuit breakers 3 Unit controls shall be 24 volt and provide heating or cooling as required by the remote thermostat G Special Features 1 Aquazone Thermostat Controls for use with remote thermostat units a Programmable multi stage thermostat with 7 day clock holiday scheduling large backlit displa...

Page 36: ...060 Printed in U S A Form 50KQL 1PD Replaces 50KQ 6PD Book 1 4 Tab 5a 5a Carrier Corporation Syracuse New York 13221 3 04 Book 1 Tab 1IP4a 9 PremierLink accessories PremierLink accessories shall provide a fully integrated DDC system Accessories include supply air temperature sensors communicat ing room sensors CO2 sensors and linkage thermostats Guide specifications cont ...

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