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Control Unit
MCV
Hansen MCV User Manual
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26
R649c
SEPTEMBER
2018
The va
lve is s
upp
lied w
ith 6
.5 fe
et of c
abl
e with 2
2 and 24 g
aug
e wir
es
. For gr
eate
r dis
tan
ce be
twe
en va
lve an
d cont
ro
ller
use w
ire s
ize as s
hown in T
a
ble 1
: 24V
AC/DC Power W
iri
ng. D
o not r
un Moto
rize
d Con
tro
l V
al
ve wir
ing wi
th or ne
ar h
igh
volt
age p
ower wir
ing or V
FD Con
tro
ls (
Var
iab
le Frequ
enc
y Dr
ives).
FIGURE 1
9
MOTORIZED CONTROL V
AL
VE POWER BACKUP SYSTEM
25
27
Table of Contents
Introduction
1
Table of Contents
1
Applications
1
Additional Features
1
Key Features
1
Power Backup Feature
2
Valve Sizing
2
Liquid Line Sizing
2
Specifications/Applications
2
Room Temperature or Evaporator Pressure Control
3
Typical Applications
3
Liquid Make-Up to Accumulator
3
MCV Motorized Control Valve
3
MCV, MCXV Motorized Control Valve
4
Typical Chiller Applications
4
MCV Motorized Control Valve-Slow Opening and Closing
5
Slow Opening and Closing: Suction Stop Valve
5
No Pressure Drop Required: Gravity Drain
5
Liquid Feed Valve from Intermediate to Low Temperature Vessel
6
Recommended Piping
6
Ammonia Suction Vapor Capacities, Kilowatts
8
Ammonia Suction Vapor Capacities, Tons
8
Capacity Tables
8
R-22 Suction Vapor Capacities, Tons
9
R-22 Suction Vapor Capacities, Kilowatts
9
R-404 Suction Vapor Capacities, Tons
11
R-404 Suction Vapor Capacities, Kilowatts
11
R-507 Suction Vapor Capacities, Tons
12
R-507 Suction Vapor Capacities, Kilowatts
12
R-22 High Pressure Liquid Line Capacities, Tons
14
Ammonia High Pressure Liquid Line Capacities, Tons
14
Ammonia High Pressure Liquid Line Capacities, Kilowatts
14
Mcr and MCV Hot Gas Solenoid Defrost Capacities
16
MCXV Motorized Control Valve
17
Installation Drawings
17
Installation Overview
20
Manual Control Tool (Mct)
20
Number of Turns to Actuate Valve
20
Conversion from Smv to MCV
21
New Complete Valve
21
Installation Instructions
21
Customer Supplied Power Supply and Controller
22
Wiring (Customer Supplied Controller)
22
HUPS LED Mode Indicator – Green LED
25
HUPS LED Alarm Indicator – Red LED
25
Hups Power Backup System
25
Hansen Controllers
27
Hansen Pxvc Controllers
27
Technical Specifications
27
Display and Keyboard Operation
28
Pxvc-Pt Function Keys
28
Pxvc-Pt Inputs/Outputs
29
Pxvc-Pt Terminal Descriptions
29
Pxvc-Pt Wiring Diagram, 115V/230V
30
Pxvc-T (Temperature) Control
31
Power Failure
31
Electrical Connections
31
Ramp up Delay
31
Pxvc Function Keys
32
Display and Keypad Operation
32
Pxvc-T, Pxvc-L, Pxvc-P, Pxvc-DX Inputs/Outputs
33
Valve Description
38
Installation Description
38
Application Description
38
Installation Parameter Sheet
38
Cable Connections
39
Electrical Information & Wiring
39
Electrical Maintenance
39
Valve Operation
39
User Interface Menu and Instruction Guide
40
3/4” Thru 2” Motorized Control Valve
41
3” Thru 4” Motorized Control Valve
41
MCV Disassembly
41
MCV Assembly
41
Service and Maintenance
41
Motorized Control Valve Parts List
43
Optional Controllers
44
Ordering Information
44
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Hansen MCV Specifications
General
Brand
Hansen
Model
MCV
Category
Control Unit
Language
English
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