Carrier 40QNB018, Installation, Start-Up And Service Instructions Manual

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Table 4C — Physical Data — 38HDS Condensing Units
UNIT 38HDS 024 048
NOMINAL CAPACITY (Tons) 2 4
OPERATING WEIGHT (lb) 159 292
REFRIGERANT TYPE R-22
Control (Cooling) TXV in Condensing Unit
Factory Charge (lb)*
Circuit A 5.0 5.5
Circuit B — 5.5
COMPRESSOR TYPE Copeland
Scroll
Quantity...Model 1...ZR23K1 2...ZR49K3
Oil (Recharge) (oz) 25 53
OUTDOOR FAN Propeller, Direct Drive
Rpm 850 850
Diameter (in.)...No. of Blades 18...3 24...3
Pitch (Degrees) 27 24
Motor Hp
1
⁄
8
1
⁄
4
Nominal Air Cfm 1720 3900
OUTDOOR COIL Copper Tube, Aluminum Fin
Face Area (sq ft)...No. of Rows 6.1...2 12.3...2
Fins/in. 15 15
CONTROLS
High-Pressure (psig)
Cut-in 320 ± 20
Cutout 426 ± 7
Low-Pressure (psig)
Cut-in 22 ± 5
Cutout 7 ± 3
Fusible Plug 210 F
Control Voltage 24
REFRIGERANT LINES
Connection Type Sweat
Vapor Supply Line Quantity...OD (in.) 2...
3
⁄
8
4...
3
⁄
8
Vapor Return Line Quantity...OD (in.) 2... 5 ⁄
8
4... 5 ⁄
8
Maximum Length (ft) 50 50
Maximum Lift Fan Coil (Above Outdoor) (ft) 30† 30†
Maximum Lift Fan Coil (Below Outdoor) (ft) 30† 30†
EXTERNAL FINISH Alpine Mist (Beige)
LEGEND
TXV — Thermostatic Expansion Valve
*Charge is based on 25 ft of interconnecting line.
†Maximum system lift is 30 ft between lowest system component and highest system component.
Table 4D — Physical Data — 40QNB High Wall Fan Coil Units
UNIT 40QNB 018* 024*
NOMINAL CAPACITY (Tons) 1 1 ⁄
2
2
NOMINAL SIZE (Btuh) 18,000 24,000
OPERATING WEIGHT (lb) 38.5 42.9
MOISTURE REMOVAL RATE (Pints/Hr) 5.6 6.3
FINISH White
REFRIGERANT R-22
Control (Cooling) AccuRater
T
Metering Device
System Charge Required (lb)† 4.6 5.3
INDOOR FAN Direct Drive Centrifugal
Rpm...Cfm High 1120...550 1470...570
Rpm...Cfm Medium 1050...500 1370...466
Rpm...Cfm Low 950...450 1270...417
Motor Watts 44 49
Blowers — No. ...Size (in.) 2...3.94 x 17.8 2...3.94 x 17.8
INDOOR COIL Copper Tube, Aluminum Fin
Face Area (sq ft) 2.56 2.56
No. of Rows 2 3
Fins/in. 15.9 18.1
Circuits 2 3
FILTERS Cleanable
(Quantity) Size (in.) (3) 11 1 ⁄
2
x 17 3 ⁄
4
AIRSWEEP
Horizontal Manual
Vertical Automatic
CONTROLS Integrated Microprocessor
Remote Controller Wireless
Freeze Protection Yes
Auto. Restart Yes
Diagnostics Yes
Timer Mode 24-Hour Startup/Shutdown Type
Test Mode Yes
Dehumidification Mode Yes
Fan Mode High/Medium/Low/Auto.
Control Voltage 24 v
REFRIGERANT LINES
Connection Type Male Flare
Liquid Line OD (in.)
3
⁄
8
3
⁄
8
Vapor Line OD (in.) 5 ⁄
8
5 ⁄
8
CONDENSATE DRAIN CONNECTION (in.) 5 ⁄
8
OD, 7 ⁄
16
ID
*Units may only be matched with 38HDC, 38HDL and 38HDS outdoor units.
†Full factory charge shipped in outdoor unit. Charge shown is for smallest system combination and is determined based on 25 ft of line.
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