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© 1997 Lennox Industries Inc.
Litho U.S.A.
Corp. 9709−L5
Revised 5−2000
HP29
Service Literature
HP29 SERIES UNITS
The HP29 is a residential split-system heat pump. Outdoor coil
size, circuiting and air volume result in a minimum SEER rating
of 10.0. All HP29 units are designed for use with thermal
expansion valves.
Some HP29 units (−211 through −650, −018 and −024) utilize a
reciprocating compressor. These models are furnished with
crankcase heaters. The heater prevents liquid from
accumulating in the compressor. All compressors are
hermetically sealed for trouble-free operation and long service
life. Reciprocating compressor components are
spring-mounted within the sealed housing. A built-in limit
protects the compressor from excessive current and
temperatures. Other HP29 units (−030 through −060) utilize a
scroll compressor. The scroll operates like a standard
heatpump, but is unique in the way that it compresses
refrigerant.
This manual is divided into sections which discuss major
components, refrigerant system, charging procedures,
maintenance, and operation sequence .
All specifications in this manual are subject to change.
SPECIFICATIONS
Model No. HP29-211 HP29-261 HP29-311
Outer coil 11.41 (1.06) 11.41 (1.06) 13.31 (1.24)
Outdoor
Net face area - sq. ft. (m
2
)
Inner coil - - - - - - - - - - - -
Coil
Tube diameter in. (mm) & no. of rows 5/16 (7.9) 1 5/16 (7.9) 1 5/16 (7.9) 1
Fins per inch (m) 22 (866) 22 (866) 22 (866)
Diameter in. (mm) & no. of blades 18 (457) 3 18 (457) 3 18 (457) 4
Outdoor
Motor hp (W) 1/6 (124) 1/6 (124) 1/6 (124)
Cfm (L/s) 2400 (1135) 2400 (1135) 2500 (1180)
Fan
Rpm 1105 1105 1100
Watts 180 180 200
*Refrigerant charge furnished (HCFC-22) 4 lbs. 5 oz. (1.96 kg) 4 lbs. 4 oz. (1.92 kg) 4 lbs. 15 oz. (2.24 kg)
Liquid line in. (mm) o.d. connection (sweat) **3/8 to 5/16 (8) **3/8 to 5/16 (8) **3/8 to 5/16 (8)
Vapor line in. (mm) o.d. connection (sweat) 5/8 (15.9) 5/8 (15.9) 3/4 (19.1)
Shipping weight lbs. (kg) 1 package 152 (69) 152 (69) 164 (74)
*Refrigerant charge sufficient for 20 ft. (6.1 m) length of refrigerant lines.
**5/16 to 3/8 reducer coupling supplied with unit.
SPECIFICATIONS
Model No. HP29-411/HP29-41 HP29-461/HP29-463 HP29-511/HP29-513 HP29-651/HP29-653
Outer coil 15.21 (1.41) 15.21 (1.41) 15.21 (1.41) 15.21 (1.41)
Outdoor
Net face area - sq. ft. (m
2
)
Inner coil - - - - 5.44 (0.51) 5.44 (0.51) 14.50 (13.5)
Coil
Tube diameter in. (mm) & no. of rows 5/16 (7.9) 1 5/16 (7.9) 1.37 5/16 (7.9) 1.37 5/16 (7.9) 2
Fins per inch (m) 22 (866) 22 (866) 22 (866) 22 (866)
Diameter in. (mm) & no. of blades 18 (457) 4 18 (457) 4 18 (457) 4 18 (457) 4
Outdoor
Motor hp (W) 1/6 (124) 1/6 (124) 1/3 (249) 1/3 (249)
Cfm (L/s) 2520 (1190) 2500 (1180) 2950 (1390) 2930 (1385)
Fan
Rpm 1100 1100 1100 1100
Watts 200 200 310 310
*Refrigerant charge furnished (HCFC-22) 6 lbs. 3 oz. (2.81 kg) 7 lbs. 13 oz. (3.54 kg) 7 lbs. 1 oz. (3.20 kg) 9 lbs. 0 oz. (4.08 kg)
Liquid line in. (mm) o.d. connection (sweat) 3/8 (9.5) 3/8 (9.5) 3/8 (9.5) 3/8 (9.5)
Vapor line in. (mm) o.d. connection (sweat) 3/4 (19.1) 7/8 (22.2) 7/8 (22.2) 1-1/8 (28.6)
Shipping weight lbs. (kg) 1 package 174 (79) 199 (90) 206 (93) 221 (100)
*Refrigerant charge sufficient for 20 ft. (6.1 m) length of refrigerant lines.
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