Office: (650) 588-9200-Outside Local Area: (800) 258-9200-www.stevenengineering.com 3 4 VSA440 3 4 , 1 2 3 4 1 2 standard 1 2 3 4 , Piping specifications/Side ported, bottom ported Type V Port size Rc EXH port Valve size Applicable valve Manifold base size Rc P EA, EB A, B , 1 4 3 8 1 4 3 8 1 4 3 8 3 8 1 2 3 8 1 2 1 2 1 2 VSA420 Common EXH , 3 8 1 2 , 1 4 3 8 , 3 8 1 2 , 3 8 1 2 3 8 standard
Values for double types are when the switch is ON. 1 5 3 N.C. N.C. 4-position dual 3-port valve (B) 4 2 1 5 3 N.O. N.O. 4-position dual 3-port valve (C) 4 2 1 5 3 N.C.
1 S 2 0 3 1 T 2 Q K 7 1 7 . 1 2 7 1 8 2 5 . 1 3 5 . 6 3 2 2 9 4 3 2 / 1 8 / 3 S 3 0 3 1 T 2 Q K 5 . 3 3 5 . 8 3 6 . 9 3 4 2 / 1 S 4 0 3 1 T 2 Q K 2 2 5 . 7 3 0 4 9 6 32 Series KQ2 One-touch Fittings Union tee: KQ2T Inch e l b a c i l p p A .
2.4 Operation display panel . 2-4 Chapter 3 Transport and Setting Up . 3-1 3.1 Transport. 3-1 3.1.1 Transportation using casters . 3-2 3.2 Installation . 3-3 3.2.1 Environment . 3-4 3.2.2 Location (Required ventilation rate and facility water source) . 3-6 3.2.3 Installation and Maintenance Space . 3-7 3.3 Installation . 3-8 3.3.1 Mounting . 3-8 3.3.2 Electrical wiring . 3-9 3.3.3 Preparation
2.4 Operation display panel . 2-4 Chapter 3 Transport and Setting Up . 3-1 3.1 Transport. 3-1 3.1.1 Transportation using casters . 3-2 3.2 Installation . 3-3 3.2.1 Environment . 3-4 3.2.2 Location (Required ventilation rate and facility water source) . 3-6 3.2.3 Installation and Maintenance Space . 3-7 3.3 Installation . 3-8 3.3.1 Mounting . 3-8 3.3.2 Electrical wiring . 3-9 3.3.3 Preparation
2.4 Operation display panel . 2-4 Chapter 3 Transport and Setting Up . 3-1 3.1 Transport. 3-1 3.1.1 Transportation using casters . 3-2 3.2 Installation . 3-3 3.2.1 Environment . 3-4 3.2.2 Location (Required ventilation rate and facility water source) . 3-6 3.2.3 Installation and Maintenance Space . 3-7 3.3 Installation . 3-8 3.3.1 Mounting . 3-8 3.3.2 Electrical wiring . 3-9 3.3.3 Preparation
2.4 Operation display panel . 2-4 Chapter 3 Transport and Setting Up . 3-1 3.1 Transport. 3-1 3.1.1 Transportation using casters . 3-2 3.2 Installation . 3-3 3.2.1 Environment . 3-4 3.2.2 Location (Required ventilation rate and facility water source) . 3-6 3.2.3 Installation and Maintenance Space . 3-7 3.3 Installation . 3-8 3.3.1 Mounting . 3-8 3.3.2 Electrical wiring . 3-9 3.3.3 Preparation
Values for double types are when the switch is ON. 1 5 3 N.C. N.C. 4-position dual 3-port valve (B) 4 2 1 5 3 N.O. N.O. 4-position dual 3-port valve (C) 4 2 1 5 3 N.C.
Values for double types are when the switch is ON. 4 position dual 3 port valve (A) (A) 4 (B) 2 3 (R2) 5 (R1) 1 (P) N.C. N.C. 4 position dual 3 port valve (B) (A) 4 (B) 2 3 (R2) 5 (R1) 1 (P) N.O. N.O. 4 position dual 3 port valve (C) (A) 4 (B) 2 3 (R2) 5 (R1) 1 (P) N.C.
8 With sub-plate 1 1/2 With sub-plate 04 53-SY9000 1 (P) (EA) 5 3 (EB) 2-position double Manual override 2 (B) (A) 4 2 E: Push-turn locking lever type D: Push-turn locking slotted type Nil: Non-locking push type (EA) 5 1 (P) 3 (EB) 3-position closed center 2 (B) (A) 4 3 Note 1) (EA) 5 1 (P) 3 (EB) 3-position exhaust center 2 (B) (A) 4 4 Note 1) (EA) 5 1 (P) 3 (EB) Lead wire length 3-position
RX(n 3)C RY(n 3)9 to Reserved RY(n 3)A Reset RES RX(n 3)F Note.
RX(n 3)C RY(n 3)9 to Reserved RY(n 3)A Reset RES RX(n 3)F Note.
VBA VBAT VBA VBAT VBAT5A-Y-3 VBAT10A-Y-3 VBAT20A-Y-3 VBAT5S-Y-4 VBAT10S-Y-4 VBAT20S-Y-4 Quantity No.
(A) (A) 2(A) 2(A) 2 2 3(R) (P)1 3(R) (P)1 i i 1 (P) 3 (R) 1 (P) 3 (R) u u Component Parts Replacement Parts No. 1 2 3 4 5 6 Description Body Piston plate End cover Piston Spool valve assembly Spool spring Description Sub-plate Note) Note White White White Note Aluminum die-cast Part no.
Contact pin (preassembled) N 3 Terminal Pin no.
LEHS 3 5mm/s LEHS10 LEHS20 LEHS LEHS 40 32 2.2 1.4 9 7 36 52 3.9 2.5 15.5 12 63 91 [N] 5.5 3.5 22 17 90 130 *LEHS10 30%F.S.LEHS20 25%F.S.LEHS3240 20%F.S.
(P) (B) 2 (A) 4 3 position exhaust center (A) 4 (B) 2 5 (R1) 3 (R2) 1 (P) 3 position pressure center (A) 4 (B) 2 i 5 (R1) 1 (P) 3 (R2) 5 (R1) 3 (R2) 1 (P) (This figure shows a closed center type.)