Carrier 40KMQ Especificações

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Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 02-40QK0001-SI Printed in U.S.A. Form 40KM-1SI Pg 1 606 3-06 Replaces: New
Book 1 4
Ta b 3 d 2 d
Installation, Start-Up and
Service Instructions
CONTENTS
Page
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . 1
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-19
Step 1 — Complete Pre-Installation Checks . . . . . . 2
UNPACK UNITS
INSPECT SHIPMENT
CONSIDER SYSTEM REQUIREMENTS
Step 2 — Locating and Mounting the Unit . . . . . . . . 6
LOCATING THE UNIT
MOUNTING THE UNIT
Step 3 — Locating and Mounting the Room
Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
LOCATING THE ROOM CONTROLLER
MOUNTING THE ROOM CONTROLLER
Step 4 — Complete Refrigerant Piping
Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
FLARING THE ENDS OF PIPES
PIPING CONNECTION TO THE UNIT
Step 5 — Make Electrical Connections . . . . . . . . . . 11
UNITS WITH ELECTRIC HEATER
•POWER WIRING
WIRING THE ROOM CONTROLLER
INSTALLATION OPTIONS. . . . . . . . . . . . . . . . . . . . . 19-23
Fresh Air Intake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Conditioned Air Supply to Adjacent Room . . . . . . 19
Room Controller Configuration Setup . . . . . . . . . . . 21
Louver Mode Selection. . . . . . . . . . . . . . . . . . . . . . . . . . 22
Main Board Configuration . . . . . . . . . . . . . . . . . . . . . . . 22
Service Test Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
SERVICE AND MAINTENANCE . . . . . . . . . . . . . . .23,24
TROUBLESHOOTING. . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
SAFETY CONSIDERATIONS
Installing and servicing air-conditioning equipment can be
hazardous due to system pressure and electrical components.
Only trained and qualified service personnel should install or
service air-conditioning equipment.
Untrained personnel can perform basic maintenance, such
as cleaning and replacing filters. All other operations should be
performed by trained service personnel. When working on air
conditioning equipment, observe safety precautions in litera-
ture, tags, and labels attached to unit.
Follow all safety codes. Wear safety glasses and work
gloves. Use quenching cloth for brazing operations. Have fire
extinguisher available. Read these instructions thoroughly.
Consult local building codes and the National Electrical Code
(NEC) for special installation requirements.
GENERAL
These instructions cover the installation, start-up and
service of in-ceiling cassette fan coil units. See Fig. 1.
The following accessories can be used with 40KMC,KMQ
units. See the price pages part numbers and more information:
photocatalytic and electrostatic filter with mount
air supply outlet obstruction kit
wired room controller
room controller wiring kit for multiple units
zone manager kit for multiple units
zone manager
infrared remote kit
Before installing or servicing system, always turn off main
power to system. There may be more than one disconnect
switch. Turn off accessory heater power if applicable. Elec-
trical shock can cause serious personal injury.
This system uses Puron® R-410A, which has higher pres-
sures than R-22 and other refrigerants. No other refrigerant
may be used in this system. All equipment must be
designed to handle R-410A refrigerant. If unsure about
equipment, consult the equipment manufacturer.
Do not operate the unit without a filter or with the grille
removed. Damage to the unit or personal injury may result.
40KMC,40KMQ018-036
In-Ceiling Cassette
Fan Coil Units
Fig. 1 — 40KMC,KMQ Unit
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1 2 3 4 5 6 ... 23 24

Resumo do Conteúdo

Página 1 - Service Instructions

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.Cata

Página 2 - INSTALLATION

10Step 4 — Complete Refrigerant PipingConnectionsUse field-supplied refrigerant grade piping designed for usewith R-410A refrigerant.FLARING THE ENDS

Página 3 - 40KMC018

11Step 5 — Make Electrical Connections See Tables 6A and 6B for electrical information.UNITS WITH ELECTRIC HEATER — The unit is equippedwith two ther

Página 4

12Room ControllerConnectionsGroundConnectionOutdoor UnitConnectionsLowVoltageHighVoltagePowerConnectionsFig. 21 — 40KMC Unit Matched to 38HDF Outdoor

Página 5

13LowVoltageHighVoltageRoom ControllerConnectionsOutdoor UnitConnectionsPowerConnectionsGroundConnectionFig. 22 — 40KMQ Unit Matched to 38HDF Outdoor

Página 6 - direction can be controlled

14LowVoltageHighVoltageRoom ControllerConnectionsGroundConnectionOutdoor UnitConnectionsPowerConnectionsFig. 23 — 40KMQ Unit Matched to 38QRF Outdoor

Página 7 - (to be removed)

15ETTESSAC LABOLG CMK04RESNEDNOC ROODTUO FDH83NOTE 6NOTE 5NOTE 4YALPSIDRIA-MTLIOC-MT"D" RALUDOMBCP1 LORTNOCREPPOC ERABTCENNOCSID TINU OT)DED

Página 8 - B. Gasket "B"

16ETTESSAC LABOLG QMK04RESNEDNOC ROODTUO FDH83NOTE 6NOTE 5YALPSIDRIA-MT LIOC-MT"D" RALUDOMBCP1 LORTNOCREPPOC ERABTCENNOCSID TINU OT)DE

Página 9 - 0mm)7("4/3-2

17ETTESSAC LABOLG QMK04RESNEDNOC ROODTUO FRQ83NOTE 6NOTE 5YALPSIDRIA-MT LIOC-MT"D" RALUDOMBCP1 LORTNOCREPPOC ERABTCENNOCSID TINU OT)DE

Página 10 - Connections

18INTERNAL CONTROL PANEL40KMC018C apacitorG MC boardE lectric heater board(only on models with electric heater)TransformerHoles for fixing panel in p

Página 11

19WIRING THE ROOM CONTROLLER — The room con-troller is capable of controlling from 1 to 6 fan coil units. Thetotal run length of the wire connecting

Página 12

2INSTALLATIONStep 1 — Complete Pre-Installation ChecksUNPACK UNIT (See Fig. 1) — Move the unit to final loca-tion. The grille panel and the remote con

Página 13

204.72”(120)ØA BØA Ø CDuct connection flangeClip1/4" (6 mm) neoprene gasketInsulated flexible ductFresh air intakeConditioned air supply to anad

Página 14

21Room Controller Configuration Setup — To con-figure the room controller, press the Mode button for 5 sec-onds. After 5 seconds, “10” will appear. T

Página 15 - BCP1 LOR

22Louver Mode Selection — To enter louver modeselection, ensure the room controller is on and then press theFan button for 5 seconds. After 5 seconds,

Página 16

23Any of the following will cancel the Service Test mode:• When the unit is turned off by the controller.• If the power is cycled during the Test Mode

Página 17 - BCP1 LORTNOC

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.Cata

Página 18

32'-4-11/32"(720)1'-9-21/32"(550))515("23/98-'11-7/8"(47)1'-11-7/16"(595))318("8-'2)069("4

Página 19 - Fresh Air Intake

4Table 4A — 40KMC Physical Data LEGEND*See Table 3 for factory charge and additional field charge requirements.SYSTEM SIZE 018 0

Página 20 - Air intake grille

5Table 4B — 40KMQ Physical Data LEGEND*See Table 3 for factory charge and additional field charge requirements.SYSTEM SIZE 0

Página 21 - Airflow (cfm)

6Step 2 — Locating and Mounting the UnitLOCATING THE UNIT — Install the unit as centrally aspossible in the room. The air flow direction can be contro

Página 22

7The condensate may be discharged at a maximum height of77/8 in. above the unit, as long as the ascending tube is verticaland aligned with the drainag

Página 23 - Minimum Maintenance

8Step 3 — Locating and Mounting the RoomControllerLOCATING THE ROOM CONTROLLER — See Fig. 14for room controller dimensions. If the air sensor in the

Página 24 - TROUBLESHOOTING

9MOUNTING THE ROOM CONTROLLER (Fig. 15-17) —Unscrew the side fixing screw. Open the room controller rearmounting base to expose the mounting holes. Th

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