Service Manual

TECHNICAL SUPPORT MANUAL Split System Heat Pump: (H,C,T)CH(6)
62 428 04 170100
PHYSICAL DATA
Model Size 24 36 48 60
Nominal Cooling Capacity (BTU/hr) 24,000 36,000 48,000 60,000
SEER Rating} 16.5 17.0 16.0 15.7
Sound Rating**, High Stage (dBA)
Low Stage (dBA)
71
69
72
71
74
71
73
73
PSC Fan Motor HP 1/12 1/8 1/4 1/4
Fan RPM 800 810 825 825
Fan CFM 3200 3900 4350 5000
Coil Face Area (ft
2
) 25.15 25.15 25.15 30.18
Coil Rows -- fins per inch 2-- 20 2-- 20 2-- 20 2-- 20
Low Pressure Open Pressure
Switch Close Pressure
23 ± 5 PSIG
55 ± 5 PSIG
23 ± 5 PSIG
55 ± 5 PSIG
23 ± 5 PSIG
55 ± 5 PSIG
23 ± 5 PSIG
55 ± 5 PSIG
Hi Pressure Open Pressure
Switch Close Pressure
670 ± 10 PSIG
470 ± 25 PSIG
670 ± 10 PSIG
470 ± 25 PSIG
670 ± 10 PSIG
470 ± 25 PSIG
670 ± 10 PSIG
470 ± 25 PSIG
Liquid Line Connection Size in. (mm) 3/8 (10) 3/8 (10) 3/8 (10) 3/8 (10)
Vapor Line Connection Size in. (mm) 3/4 (19) 7/8 (22) 7/8 (22) 7/8 (22)
Recommended Line Set Liquid Tube Diameter in. (mm) 3/8 (10) 3/8 (10) 3/8 (10) 3/8 (10)
Recommended Line Set Vapor T ube Diameter in. (mm)* 3/4 (19)* 7/8 (22)* 1--1/8 (29)* 1--1/8 (29)*
* Recommended Vapor Tube Line size is for standard installations. These recommendations may not apply to “Long Line”
installations. When the total equivalent line length exceeds 80 feet (24.4m) or there is more than 20 feet (6.1m) vertical
separation between indoor and outdoor units, consult the Long Line Application Guideline document before purchasing/in-
stalling line sets.
Factory Charge R--410A lbs. (kg) 14.00 (6.35) 14.00 (6.40) 14.25 (6.46) 15.45 (7.01)
Required Subcooling ° F(° C) 9(5) 12 (7) 12 (7) 11 (6)
Outdoor Unit Factory Piston Size
(used in Outdoor Unit for heating mode)
46 57 61 67
ELECTRICAL DATA (208/230--1--60, vo ltag e range 197V -- 253V)
Model Size 24 36 48 60
Minimum Circuit Ampacity --
MCA (amps)
16.4 21.8 34.8 30.1
Maximum OverCurrent
Protective device -- MOCP (amps)
25 35 50 50
Compressor RLA (Rated Load Amps)
LRA (Locked Rotor Amps)
12.7
52.0
16.7
82.0
26.9
96.0
23.0
118.0
Fan Motor FLA (Full Load Amps) 0.5 0.9 1.3 1.4
} Highest sales volume tested combination.
**Sound Rating tested in accordance with AHRI Standard 270--95 (not listed with AHRI).