Bryant 677D--A, Руководство по установке

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Table 1 – Physical Data -- Unit 677D----A
UNIT SIZE A24040 A30040 A30060 A36060 A36090 A42060 A42090
NOMINAL COOLING CAPACITY (ton) 2 2---1/2 2---1/2 3 3 3---1/2 3---1/2
NOMINAL HEATING CAPACITY (Btu) 40,000 40,000 60,000 60,000 90,000 60,000 90,000
SHIPPING WEIGHT (lb)
(kg)
468
212
498
226
498
226
540
245
540
245
551
250
551
250
COMPRESSORS
Quantity
Two---Stage Scroll
1
REFRIGERANT: PURON (R---410A)
Quantity (lb)
(kg)
10.3
4.7
11.5
5.2
11.5
5.2
9.7
4.4
9.7
4.4
14.0
6.4
14.0
6.4
EXPANSION DEVICE---HEATING AccuRater
Orifice OD (in.) --- Left 0.042 0.038 0.038 0.035 0.035 0.040 0.040
Orifice OD (in.) --- Right N/A 0.038 0.038 0.035 0.035 0.042 0.042
EXPANSION DEVICE---COOLING TXV
Size 2 Ton 3 Ton 3 Ton 3 Ton 3 Ton 4 Ton 4 Ton
OUTDOOR COIL
Rows...Fins/in.
Face Area (sq ft)
2...21
13.6
2...21
15.3
2...21
15.3
2...21
17.5
2...21
17.5
2...21
19.4
2...21
19.4
OUTDOOR FAN
Nominal Cfm
Diameter (in.)
(mm)
Motor Hp (Rpm)
2700
22
559
1/8 (825)
2700
22
559
1/8 (825)
2700
22
559
1/8 (825)
2800
22
559
1/8 (825)
2800
22
559
1/8 (825)
2800
22
559
1/8 (825)
2800
22
559
1/8 (825)
INDOOR COIL
Rows...Fins/in.
Face Area (sq ft)
3...17
3.7
3...17
3.7
3...17
3.7
3...17
4.7
3...17
4.7
3...17
4.7
3...17
4.7
INDOOR FAN
Nominal Airflow (Cfm)
Comfort
Variable based on Comfort Roll back (see User Interface instructions for more information).
Efficiency 700 875 875 1050 1050 1225 1225
Max 800 1000 1000 1200 1200 1400 1400
Furnace (gas ht.) airflow---Low Stage
475 475 727 745 875 745 875
Furnace (gas ht.) airflow---High Stage
844 844 1120 1120 1410 1120 1410
Size (in.)
(mm)
10x10
254x254
10x10
254x254
10x10
254x254
11x10
279x254
11x10
279x254
11x10
279x254
11x10
279x254
Motor HP 1/2 1/2 1/2 3/4 3/4 3/4 3/4
FURNACE SECTION*
Burner Orifice No. (Qty...Drill Size)
Natural Gas (Factory Installed)
Propane Gas
2...44
2...55
2...44
2...55
3...44
3...55
3...44
3...55
3...38
3...53
3...44
3...55
3...38
3...53
HIGH---PRESSURE SWITCH (psig)
Cut---out
Reset (Auto)
670
±
10
470
±
25
HIGH---PRESSURE SWITCH 2 (psig)
(Compressor Solenoid)
Cut---out
Reset (Auto)
565
±
1
5
455
±
15
LOSS---OF---CHARGE /
LOW---PRESSURE SWITCH
(Liquid Line) (psig)
Cut---out
Reset (auto)
23
±
5
55
±
5
RETURN---AIR FILTERS Throwaway
(in.)†
(mm)
20x24x1
508x610x25
24x30x1
610x762x25
24x36x1
610x914x25
Continued next page.
677D
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A