Carrier Understanding Heat Pump Nomenclature and Model Numbering for Efficient HVAC Solutions

40RM – 016 – – B 5 0 1 GC

40RM – Commercial Packaged

Air Handler

Cooling Coil

–– Direct Expansion

Q– Direct Expansion for Heat Pump Duty S – Chilled Water

Nominal Capacity – Tons (kW)

007	– 6 (21)		016	– 15	(52)
008	– 7-1/2 (26)		024	– 20	(70)
010	– 8-1/2 (29)		028	– 25	(87)
012	–	10 (35)	034	– 30	(105)
014	–	12-1/2 (43)

Not Used

Expansion Device

–– None (40RMS)

B– Thermostatic Expansion Valves (40RM, 40RMQ) H – TXV with High Capacity, 4 Row Coil

Voltage Designation (V-Ph-Hz)
1	– 575-3-60	8 –	230-3-50
3	– 208/230-1-60	9 –	400-3-50
	(007-010 sizes only)
5	– 208/230-3-60

6– 208/230/460-3-60 (all sizes 007-014; size 016 except YC and WD options)

460-3-60 (sizes 016 with YC or WD options and all size 024-034 units)

Factory-Installed Options

GC – Unpainted, Standard Motor,

and Standard Drive

HC – Unpainted, Standard Motor, and Medium-Static Drive

(Not available for 60 Hz 028 size or 50 Hz 016-028 sizes)

TC – Unpainted, Alternate Motor, and Medium-Static Drive (60 Hz 028 size and

50 Hz 016-028 sizes)

YC – Unpainted, Alternate Motor, and High-Static Drive*

ED – Painted, Standard Motor, and Standard Drive

FD – Painted, Standard Motor, and

Medium-Static Drive

(Not available for 60 Hz 028 size or 50 Hz 016-028 sizes)

RD – Painted, Alternate Motor, and

Medium-Static Drive (60 Hz 028 size and

50 Hz 016-028 sizes) WD – Painted, Alternate Motor,

and High-Static Drive*

Packaging

1– Standard Domestic

3– Standard Export

Revision Number

0 – Original

LEGEND

TXV — Thermostat Expansion Valve

*YC and WD option codes for all 034 size units and 008, 010 size units with 208/230-1-60 power designate standard motor and high-static drive.

NOTE: See the following table for the sizes available for each unit.

UNIT	007	008	010	012	014	016	024	028	034
40RM	X	X		X	X	X	X	X	X
40RMQ		X		X		X	X	X
40RMS		X	X	X	X	X	X	X	X

Fig. 2 — Model Number Nomenclature

LEGEND

TXV — Thermostatic Expansion Valve

Fig. 3 — Foam Block Location

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