Electronic Expansion Valves - Trane IntelliPak 1 Installation, Operation And Maintenance Manual

U U n n i i t t S S t t a a r r t t u u p p
Table 52. eFlex™ ™ staging sequence and compressor data (continued)
1 X
2 X
3 X
Stage Comp 1A VZH170
1 X
2 X
3 X
Stage Comp 1A VZH170
1 X
2 X
3 X
Stage Comp 1A VZH170
1 X
2 X
3 X
Stage Comp 1A VZH170
1 X
2 X
3 X
Stage Comp 1A VZH170
1 X
2 X
3 X
4 X

Electronic Expansion Valves

All Intellipak1 with Symbio systems use electronic
expansion valves (EXV's) to control superheat. These
valves are factory set to 12°F of superheat to balance
efficiency and compressor reliability at all operating
conditions.
118
X
X
50 Ton eFlex™ Variable Speed Compressor
Comp 2A Comp 2B
X
X
55 Ton eFlex™ Variable Speed Compressor
Comp 2A Comp 2B
X
X
60 Ton eFlex™ Variable Speed Compressor
Comp 2A Comp 2B
X
X
70 Ton eFlex™ Variable Speed Compressor
Comp 2A Comp 2B
X
X
75 Ton eFlex™ Variable Speed Compressor
Comp 1B Comp 2A
X
1800
1500
X 2400
Min Spd
1620
1500
X 2340
Min Spd
1740
1800
X 2520
Min Spd
1920
1500
X 2520
Min Spd
2220
1500
X 2220
Comp 2B
X
X X
X X
This setting can be adjusted through the Symbio
controller display, but this only recommended to be
done at the discretion of Trane Product Support
Pressure curves included in this document are based
on outdoor ambient between 65° & 105°F, relative
humidity above 40 percent. Measuring the operating
pressures can be meaningless outside of these ranges.
4860
5460
5580
VZH
Max Spd
4200
4740
4800
VZH
Max Spd
4560
5280
5280
VZH
Max Spd
4740
5700
5820
VZH
Max Spd
5220
6000
6000
VZH
Min Spd Max Spd
2520
1500
1500
1500
RT-SVX072A-EN
5160
4500
5040
5880