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46
Heat exchanger
frame size
Nozzle size (mm)
(Nominal size)
Cooler
Condenser
1 pass
2 pass
3 pass
1 pass
2 pass
3
pass
G-G
NIH
356
(DN350)
356
324
(DN300)
324
273
(DN250)
273
MWB
356
356
324
324
273
273
H-H
NIH
356
356
324
324
324
273
MWB
356
356
324
324
273
273
Table 12
– 19DV nozzle size
Pass
Evaporator waterboxes
Condenser waterboxes
In Out
Arrangement code*
In Out
Arrangement code*
1
8
5
A
11
2
P
5
8
B
2
11
Q
2
7
9
C
10 12
R
4
6
D
1
3
S
3
7
6
E
10
3
T
4
9
F
1
12
U
* : Refer to certified drawings
Fig. 22 -
“Standard waterboxes
and nozzle arrangements”
3.5.1 Install water piping to heat exchanger
Install piping using job data, piping drawings, and procedures outlined below. A typical piping installation is
shown in
Fig. 23.
CAUTION: Factory-supplied insulation is not flammable but can be damaged by welding sparks and open flame.
Protect insulation with a wet canvas cover.
CAUTION: To prevent damage to sensors, remove evaporator and condenser water temperature sensors before
welding connecting piping to water nozzles. Replace sensors after welding is complete.
Summary of Contents for PIC 5+
Page 26: ...26 VFD not shown Fig 13 Sensors actuators location ...
Page 52: ...52 Fig 24 19DV control box ...
Page 53: ...53 1 Power supply 24V AC 2 LEN 3 CCN 4 Ethernet 5 USB Fig 25 19DV HMI box rear view ...
Page 54: ...54 Fig 26 19DV IOB1 wiring Fig 27 19DV IOB2 wiring ...
Page 57: ...57 ...
Page 113: ...113 APPENDIX A SmartView SCREEN AND MENU STRUCTURE ...
Page 114: ...114 Detailed menu description ...
Page 116: ...116 APPENDIX B MAINTENANCE SUMMARY AND LOGSHEETS Cont 19DV monthly Maintenance Log ...