Lennox MS8 SERIES User Manual

Page 5
Corp. 1244-L9
Specifications - HEAT PUMP SYSTEMS
OUTDOOR UNIT
Nominal Tonnage 0.75 1 1.5 2 2.5
Outdoor Unit Model No. MS8HO09P MS8HO12P MS8HO18P MS8HO24P MS8HO30P
Connections
(in.)
Small line o.d.  flare 1/4 1/4 1/4 1/4 1/4
Large line o.d.  flare 3/8 3/8 1/2 5/8 5/8
Ambient Temperature Operating
Range  °F
Cooling 0  109 0  109 14  109 14  109 5  109
Heating –5  75 –5  75 19  75 19  75 17  75
1
Refrigerant (R410A) furnished 2 lbs. 14 oz. 2 lbs. 14 oz. 3 lbs. 1 oz. 3 lbs. 9 oz. 5 lbs. 5 oz.
Outdoor Coil
Net face area  sq. ft. 4.08 4.49 5.96 7.66 7.66
Tube diameter  in. 1/4 3/8 1/4 1/4 5/16
Number of rows 2 2 2 2 2
Fins per inch 20 20 20 20 18
Outdoor Fan
Motor
Diameter  in. 153/4 153/4 201/2 213/4 213/4
No. of blades 3 3 3 3 3
Cfm 940 940 1885 2355 2355
Rpm 680/900 680/900 800 800 830
Shipping Data  lbs. Outdoor Unit 110 119 110 135 164
ELECTRICAL DATA
Line voltage data  60 hz  1ph 208/230V 208/230V 208/230V 208/230V 208/230V
2
Max. overcurrent protection (amps) 15 15 20 25 30
3
Minimum circuit ampacity 10 10 13 16 20
Compressor Rated load amps 7.2 6.5 9.7 11 13.5
4
Compressor Power Input (W)
860 860 1200 1420 2450
Outdoor Fan
Motor
Rated load amps 0.13 0.13 0.28 1.1 0.45
Output (W) 30 30 60 90 90
MATCHING INDOOR UNIT
Indoor Unit Model No. MS8HI09P MS8HI12P MS8HI18P MS8HI24P MS8HI30P
Connections
(in.)
Small line o.d.  flare 1/4 1/4 1/4 1/4 1/4
Large line o.d.  flare 3/8 3/8 1/2 5/8 5/8
Indoor Blower Air Volume
(cfm)
Turbo 306 335 500 590   
High 277 277 459 470 705
Medium 253 253 383 410 675
Low 218 218 324 355 645
Indoor Blower RPM (Cooling/
Heating)
Turbo 1260/1320 1330/1350 1500/1500 1500/1450   
High 1100/1200 1100/1170 1200/1250 1200/1150 1410/1410
Medium 950/1100 950/1050 1050/1150 1050/1020 1280/1280
Low 750/950 750/950 900/1050 900/950 1200/1200
Indoor Coil
Net face area  sq. ft. 1.65 1.65 2.33 3.23 14.8
Tube diameter  in. 1/4 1/4 1/4 1/4 1/4
Number of rows 2 2 2 2 2
Fins per inch 20 20 20 18 18
Indoor Blower
Diameter x Length  in. 3.6 x 25.4 3.6 x 25.4 3.9 x 28 3.9 x 30 4.25 x 20.5
Type Crossflow Crossflow Crossflow Crossflow Crossflow
Shipping Data  lbs. Indoor Unit 37 37 38 47 60
ELECTRICAL DATA
Line voltage data  60 hz  1ph 208/230V 208/230V 208/230V 208/230V 208/230V
Rated Load Amps 0.20 0.20 0.32 0.24 0.40
Output (W) 20 20 20 60 40
NOTE  Extremes of operating range are plus 10% and minus 5% of line voltage.
1
Refrigerant charge sufficient for 15 ft. of line set.
2
HACR type circuit breaker or fuse.
3
Refer to National or Canadian Electrical Code manual to determine wire, fuse and disconnect size requirements.
4
Rated Input

Lennox MS8 SERIES Specifications

General

Brand	Lennox
Model	MS8 SERIES
Category	Air Conditioner
Language	English