Carrier manual UNIT 40RUA

40RU

Table 1B — 40RUA Physical Data, SI — Cooling Units

UNIT 40RUA*	25		28	30
NOMINAL CAPACITY (kW)	70		87	105
OPERATING WEIGHT (kg)
Base Unit with TXV	331		477	482
Plenum	102		148	148
FANS
Qty...Diam. (mm)	2...381		2...457	2...457
Nominal Airflow (L/s)	3775		4119	5663
Airflow Range (L/s)	2831 – 4719		3539 – 5899	4247 – 7079
Nominal Motor kW (Standard Motor)
208/230---3---60 and 460---3---60	3.73		5.60	7.46
575---3---60	3.73		5.60	7.46
Motor Speed (r/s)
208/230---3---60 and 460---3---60	29.1		29.1	29.1
575---3---60	29.1		29.3	29.3
REFRIGERANT			R--- 410A
Operating charge (kg)	1.59		2.04	2.27
(approx per circuit){
DIRECT---EXPANSION COIL	Enhanced Copper Tubes, Aluminum Sine--- Wave Fins
Max Working Pressure (kPag)		4481
Face Area (sq m)	1.85			2.77
			2.30
No. of Splits	2		2	2
No. of Circuits per Split	18		20	24
Split Type...Percentage			Face...50/50
Rows...Fins/m	4...591			4...591
			4...591
PIPING CONNECTIONS,
Quantity...Size (in.)
DX Coil — Suction (ODF)	2...11/8		2...13/8	2...13/8
DX Coil — Liquid Refrigerant (ODF)			2...5/8
Steam Coil, In (MPT)		1...21/2
Steam Coil, Out (MPT)		1...1/2
Hot Water Coil, In (MPT)		1...2
Hot Water Coil, Out (MPT)		1...2
Condensate (PVC)			1...11/4 ODM/1 IDF
FILTERS	Throwaway — Factory Supplied
Quantity...Size (mm.)	4...406 x 508 x 51		4...508 x 610 x 51
	4...406 x 610 x 51		4...508 x 635 x 51
Access Location			Either Side
STEAM COIL}
Max Working Pressure (kPag at 126° C)		138
Total Face Area (sq m)	1.24			1.39
			1.39
Rows...Fins/m	1...394		1...394	1...394
HOT WATER COIL}
Max Working Pressure (kPag)		1034
Total Face Area (sq m)	1.24			1.39
			1.39
Rows...Fins/m	2...335		2...335	2...335
Water Volume
(L)	52.6
			54.1
(m3)	0.052		0.054

LEGEND

DX — Direct Expansion

TXV — Thermostatic Expansion Valve

{Units are shipped without refrigerant charge.

}Field installed accessory only.

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