Carrier HH99ZZ019 Service Instructions Manual Download | Manualshive

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3

Fig. 2 — 48/50A CO

2

Sensor Mounting Location

Fig. 3 — CO

2

Sensor Assembly

Fig. 4 — Harness Wiring Connections

CO

2

SENSOR

AUXILIARY
CONTROL BOX

PARTITION

BRACKET
(48/50A)

ELECTRICAL
HARNESS

VIEW F

PL18
(48/50A
ONLY)

BRACKET
(48/50A)

SENSOR MOUNTING PLATE

HOLES MUST LINE-UP

COVER SCREW

SENSOR COVER

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Summary of Contents for HH99ZZ019

Page 1: ...h could result in personal injury or death CAUTION is used to identify unsafe practices which may result in minor personal injury or product and property damage NOTE is used to highlight suggestions which will result in enhanced installation reliability or operation GENERAL The CO2 sensor Fig 1 is designed to monitor carbon dioxide CO2 levels in the return air and interface with the Com fortLink c...

Page 2: ...ical harness PL18 48 50P and 48 50Z Units The CO2 sensor is to be installed in the predrilled holes located in the power exhaust section See Fig 5 11 1 Shut off unit power supply 2 Open the power exhaust section doors panels to gain access 3 Remove the sensor and cover from the sensor mounting plate 4 Secure mounting plate to the bracket with no 8 screws 5 The electrical wire harness for the CO2 s...

Page 3: ...on Fig 3 CO2 Sensor Assembly Fig 4 Harness Wiring Connections CO2 SENSOR AUXILIARY CONTROL BOX PARTITION BRACKET 48 50A ELECTRICAL HARNESS VIEW F PL18 48 50A ONLY BRACKET 48 50A SENSOR MOUNTING PLATE HOLES MUST LINE UP COVER SCREW SENSOR COVER ...

Page 4: ... 48 50Z030 050 Units Economizer Only Fig 8 CO2 Bracket for 48 50P030 050 and 48 50Z030 050 Units No Economizer or Power Exhaust Fig 9 CO2 Bracket for 48 50P055 100 and 48 50Z055 105 Units Economizer with Power Exhaust Fig 10 CO2 Bracket for 48 50P055 100 and 48 50Z055 105 Units Economizer Only CO2 SENSOR AND BRACKET CO SENSOR AND BRACKET 2 CO2 SENSOR AND BRACKET CO2 SENSOR AND BRACKET CO2 SENSOR A...

Page 5: ...nsor If the sensor is re configured the mA range on the ComfortLink controller must be configured to match the new values Refer to Controls and Trou bleshooting Guide for configuration details Sensor Self Calibration The CO2 sensors employ a self calibration system The system eliminates the need for manual calibration in applications where the indoor CO2 level drops to outside levels during un occ...

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Page 8: ...ght to discontinue or change at any time specifications or designs without notice and without incurring obligations Catalog No 04 53480236 01 Printed in U S A Form 48 50 90SI Pg 8 3 19 Replaces 48 50 81SI Carrier Corporation 2019 ...

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