York Sun Select YV28, Manual

Page: 62 / 110

Physical data
Table 45: YV28 to YV30 physical data
Models
Component
YV28 YV30
Nominal tonnage 27.5 30
ARI cooling performance 2 Stage 4 Stage 2 Stage 4 Stage
Gross capacity @ ARI A point (Btu) 320,163 318,311 344,378 339,064
ARI net capacity (Btu) 308,000 306,000 336,000 330,000
EER
10.8
1
1
/ 10.5
2
2
10.8
1
/ 10.5
2
10.9
1
/ 10.8
2
10.9
1
/ 10.8
2
IEER CV
12.5 1 / 11.8 2
n/a
13.3 1 / 13.0 2
n/a
IEER with Intellispeed
14.4 1 / 13.8 2
n/a
14.4 1 / 14.0 2
n/a
IEER with VAV n/a
15.2
1
/ 14.6
2
n/a
15.1
1
/ 14.6
2
CFM 10517 10590 9362 9683
System power (KW) 25.2 24.6 28.4 27.4
Refrigerant type R-410A R-410A R-410A R-410A
Refrigerant charge (lb-oz)
System 1 14-12 14-04 14-12 14-12
System 2 13-08 13-14 14.00 13-15
ARI heating performance
Heating model N(S)1 N(S)3 N(S)1 N(S)3
Heating type Stg. Low Stg. High Stg. Low Stg. High
1st stage heat input (K Btu) 320 400 320 400
2nd stage heat input (K Btu) 400 220 400 220
1st stage heat output (K Btu) 259 324 259 324
2nd stage heat output (K Btu) 324 178 324 178
Steady state efficiency (%) 81 81 81 81
No. of burners 9 9/5 9 9/5
No. of stages / Turn down 2/1.25 2/1.82 2/1.25 2/1.82
Temperature rise range (ºF) 25-35 35-60 20-35 35-55
Gas limit setting (ºF) (top/bottom) 150 150/150 150 150/170
Gas piping connection (in.) 3/4 1 1/4 3/4 1 1/4
Dimensions (in.)
Length 180
Width 90
Height 70
Operating weight (lb) 4078 4105
Compressors 2 Stage 4 Stage 2 Stage 4 Stage
Type Scroll Scroll Scroll Scroll
Quantity 2 3 2 3
Unit capacity steps (%) 50 / 100 24 / 51 / 76 /100 50 / 100 24 / 52 / 76 /100
Condenser coil data
Face area (Sq. Ft.) 51.2 61.6
Type MCHX MCHX
Thickness (mm) 20 20
FPI 23 23
Circuitry type 2-Pass 2-Pass
Evaporator coil data
Face area (sq. ft.) 34.4 34.4
Rows 3 3
Fins per inch 15 15
Tube diameter 3/8 3/8
Circuitry type Intertwined Intertwined
Refrigerant control TXV TXV
Condenser fan data
Quantity 4 4
Fan diameter (in.) 30 30
Type Prop Prop
Drive type Direct Direct
Number of motors 4 4
Motor HP each 1 1
RPM 1140 1140
Nominal total CFM 28530 29800
Belt drive evap fan data
Installation Manual: YORK
®
Sun™ Select YV28 to YV50
62
Johnson Controls Ducted Systems