Carrier 40KMQ - Troubleshooting; Remote Display and Response Issues; Signal and Interference Problems; Clock and Display Update Issues

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PHYSICAL DATA -- OUTDOOR UNIT 38HDF
Outdoor Unit 38H DF 018 024 030 036 036 036
System V oltage 208/230---1 ---60 208/230---1---60 208/230---1---60 208/230---1---60 208/230---3---60 4 60 --- 3 --- 6 0
Nominal Capacity (Btuh) 18000 24000 30000 36000 36000 36000
Operating Weight lb (kg) 166 (75.3) 176 ( 79.8) 187 (84.8) 250 (113.4) 250 (113.4) 250 (113.4)
Refrigerant Type R---410A
Metering Device Accurator at Outdoor Unit
Piston Size Required 49 57 61 74 74 74
Unit Factory Charge lb (kg) 4.8(2.2) 5.3(2.4) 5.0 (2.3) 8.5(3.9) 8.5(3.9) 8.5(3.9)
System Charge (25 ft line) lb (kg) 4.8(2.2) 6.5 (2.95) 8.0 (3.6) 9.3 (4.2) 9.3 (4.2) 9.3 (4.2)
Additional Charge lb (kg) 0.0 1.2 (.55) 3.0 (1.4) .8 (.36) .8 ( .36) .8 (.36)
Compressor
Type Scroll
Model ZP16K5E---PFV ZP21K5E ---PFV ZP25K5E ---PFV ZP34K5E---PFV ZP34KE ---TF5 ZP34KE ---TFD
O i l C h ar g e ( PO E --- o z ) 25 25 25 42 42 42
Outdoor Fan
Rpm/CFM 840/1720 840/1720 840/1720 850/1720 850/1720 850/1720
Diameter (in) .. No. of Blades 18…3 18…3 18…3 24…3 24…3 24…3
Motor HP 1/8 1/8 1/8 1/4 1/4 1/4
Outdoor Coil
Face Area (sq. ft) 5.82 7.27 7.27 12.1 12.1 12.1
No. Rows 2 3 3 2 2 2
Fins per inch 20 20 20 20 20 20
Circuits 2 3 3 6 6 6
High Pressure Switch
C u t --- I n ( p s ig ) 420±25
C u t --- O u t ( p s ig ) 650±10
Low Pressure Switch
C u t --- I n ( p s ig ) 45±25
C u t --- O u t ( p s ig ) 20±5
Fusible Plug ° F (° C) 210 (99)
Refrigerant Lines
Connection Type Mixed Phase/Suction --- Sweat
Suction/Vapor (in) OD 5/8 3/4
Mixed Phase * (in) OD 3/8
Maximum Len gth* * ft (m) 200 (61)
MaxLift(FanCoilAbove)ft(m) 65 (20)
Max Dr op (Fan Coil Below) ft (m) 200 (61)
Controls
Control Voltage 24 vac
External Finish Gray
* Mixed phase line needs to be insulated
** Long Line accessories required beyond 80 ft (24.4 m). Refer to Duct --- Free Split System Long Line Guide for additional information.
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0KMC, KMQ / 38HDF, QR
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